Claymore's ZCash/BTG AMD GPU Miner.
=========================

Latest version v12.6:

- added Vega cards support (ASM mode).
- added ASM mode for RX460/560 cards (+20% speed).
- new GPU sorting method for AMD cards. Now GPUs are sorted by physical bus index (it matches AfterBurner list of GPUs). Also the list of temperatures/fans matches the list of GPUs automatically.
  Therefore "-di detect" and "-gmap" options are not necessary and not supported anymore.
  WARNING: be careful if you use use separate overclock/temperature settings for every card, due to new sorting method GPUs can get different indexes!
- added fan/OC support for 17.7.2 (and higher) drivers.
- improved support for systems with more than 10 GPUs, check readme for "-di" option description for details.
- added pool selection in runtime ("e" key).
- a few minor improvements.


NOTES:
1. Reduce intensity ("-i" option) if miner is unstable or if you see bad speed.
2. It seems there is no way to get full speed on latest drivers for Fiji cards, at least in Windows. So don't use latest drivers for Fury, use 15.12 or 16.3.2, or use "-asm 0" for them if you use newer drivers.


LINKS:

GOOGLE: https://drive.google.com/drive/folders/0B69wv2iqszefdmJickl5MF9BOEE?usp=sharing
MEGA: https://mega.nz/#F!P0ZjFDjC!Cmb-ZRqlbAnNrajRtp4zvA

THERE IS ALSO RUSSIAN TRANSLATION OF THIS README:
https://bitcointalk.org/index.php?topic=1673724


This version is for pools.

Catalyst (Crimson) 15.12 is required for best performance and compatibility.
15.12 does not support some Fiji cards, use 16.3.2 for them.
For 4xx cards (Polaris) Crimson 16.12.2 is recommended.
NOTE: For best performance on Fiji cards you must use 15.12 or 16.3.2 drivers. For newest drivers speed will be slower!
You can get bad results for non-recommended drivers, or miner can fail on startup.
Set the following environment variables, especially if you have 1-2GB cards:

GPU_FORCE_64BIT_PTR 1
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100

For multi-GPU systems, set Virtual Memory size in Windows at least 16 GB:
"Computer Properties / Advanced System Settings / Performance / Advanced / Virtual Memory".

This miner is free-to-use, however, current developer fee is 2% if you use secure SSL/TLS connection to mining pool, every hour the miner mines for 72 seconds for developer.
If you use unsecure connection to mining pool, current developer fee is 2.5%, every hour the miner mines for 90 seconds for developer.
If you don't agree with the dev fee - don't use this miner, or use "-nofee" option.
Attempts to cheat and remove dev fee will cause a bit slower mining speed (same as "-nofee 1") though miner will show same hashrate.
Miner cannot just stop if cheat is detected because creators of cheats would know that the cheat does not work and they would find new tricks. If miner does not show any errors or slowdowns, they are happy.

This version is for recent AMD videocards only: 7xxx, 2xx, 3xx and 4xx, 1GB or more.

There are builds for Windows x64 and Linux x64. No 32-bit support. No NVidia support.



COMMAND LINE OPTIONS:

-zpool    ZCash pool address. Only Stratum protocol is supported.
   Miner also supports SSL/TLS encryption for all data between miner and pool (if pool supports encryption), it significantly improves security.
   To enable encryption, use "ssl://" or "stratum+ssl://" prefix (or "tls" instead of "ssl"), for example: "-zpool ssl://asia1-zcash.flypool.org:3443"

-zwal    Your ZCash wallet address. Also worker name and other options if pool supports it.
   Pools that require "Login.Worker" instead of wallet address are not supported directly currently, but you can use "-allpools 1" option to mine there.

-zpsw    Password for ZCash pool, use "x" as password.

-a   algoritm selection. Possible values: 0..2. 0 - autodetect. You can also specify values for every card, for example "-a 0,2,1". Default value is "0".

-asm   try faster assembler algorithm implementation when possible, it is less compatible but faster. Specify "-asm 0" to disable this option.
   You can also specify values for every card, for example "-asm 0,1,0". Default value is "1".
   Assembler implementation is available for some cards only, miner displays "algorithm ASM" when it is available.

-i   mining intensity. Possible values: 0...9. 0 - lowest intensity and CPU usage, 9 - maximal intensity. You can also specify values for every card, for example "-i 2,5,6". Default value is "6".
   Note: reduce intensity if you get low speed or miner is unstable. Also check several values to find the best speed, for example, "-i 8" can be a bit faster than "-i 9" in some cases.

-old   try to use "-old 1" if v12.0 works stable for you, but newer versions are unstable.

-allpools Specify "-allpools 1" if miner does not want to mine on specified pool (because it cannot mine devfee on that pool), but you agree to use some default pools for devfee mining.
   Note that if devfee mining pools will stop, entire mining will be stopped too.

-di    GPU indexes, default is all available GPUs. For example, if you have four GPUs "-di 02" will enable only first and third GPUs (#0 and #2).
   You can also turn on/off cards in runtime with "0"..."9" keys and check current statistics with "s" key.
   For systems with more than 10 GPUs: use letters to specify indexes more than 9, for example, "a" means index 10, "b" means index 11, etc.

-ftime   failover main pool switch time, in minutes, see "Failover" section below. Default value is 30 minutes, set zero if there is no main pool.

-wd    watchdog option. Default value is "-wd 1", it enables watchdog, miner will be closed (or restarted, see "-r" option) if any thread is not responding for 1 minute or OpenCL call failed.
   Specify "-wd 0" to disable watchdog.

-r   Restart miner mode. "-r 0" (default) - restart miner if something wrong with GPU. "-r -1" - disable automatic restarting. -r >20 - restart miner if something
   wrong with GPU or by timer. For example, "-r 60" - restart miner every hour or when some GPU failed.
   "-r 1" closes miner and execute "reboot.bat" file ("reboot.bash" or "reboot.sh" for Linux version) in the miner directory (if exists) if some GPU failed.
   So you can create "reboot.bat" file and perform some actions, for example, reboot system if you put this line there: "shutdown /r /t 5 /f".

-retrydelay   delay, in seconds, between connection attempts. Default values is "20". Specify "-retrydelay -1" if you don't need reconnection, in this mode miner will exit if connection is lost.

-dbg   debug log and messages. "-dbg 0" - (default) create log file but don't show debug messages.
   "-dbg 1" - create log file and show debug messages. "-dbg -1" - no log file and no debug messages.

-logfile debug log file name. After restart, miner will append new log data to the same file. If you want to clear old log data, file name must contain "noappend" string.
   If missed, default file name will be used.

-nofee   set "1" to cancel my developer fee at all. In this mode some recent optimizations are disabled so mining speed will be slower by about 5%.
   By enabling this mode, I will lose 100% of my earnings, you will lose only 2.5% of your earnings.
   So you have a choice: "fastest miner" or "completely free miner but a bit slower".
   If you want both "fastest" and "completely free" you should find some other miner that meets your requirements, just don't use this miner instead of claiming that I need
   to cancel/reduce developer fee, saying that 2% developer fee is too much for this miner and so on.

-benchmark   benchmark mode, specify "-benchmark 1" to see hashrate for your hardware.

-li   low intensity mode. Reduces mining intensity, useful if your cards are overheated. Note that mining speed is reduced too.
   More value means less heat and mining speed, for example, "-li 10" is less heat and mining speed than "-li 1". You can also specify values for every card, for example "-li 3,10,50".
   Default value is "0" - no low intensity mode.

-tt   set target GPU temperature. For example, "-tt 80" means 80C temperature. You can also specify values for every card, for example "-tt 70,80,75".
   You can also set static fan speed if you specify negative values, for example "-tt -50" sets 50% fan speed. Specify zero to disable control and hide GPU statistics.
   "-tt 1" (default) does not manage fans but shows GPU temperature and fan status every 30 seconds. Specify values 2..5 if it is too often.
   Note: for Linux gpu-pro drivers, miner must have root access to manage fans, otherwise only monitoring will be available.

-ttli   reduce entire mining intensity (for all coins) automatically if GPU temperature is above specified value. For example, "-ttli 80" reduces mining intensity if GPU temperature is above 80C.
   You can see if intensity was reduced in detailed statistics ("s" key).
   You can also specify values for every card, for example "-ttli 80,85,80". You also should specify non-zero value for "-tt" option to enable this option.
   It is a good idea to set "-ttli" value higher than "-tt" value by 3-5C.

-tstop   set stop GPU temperature, miner will stop mining if GPU reaches specified temperature. For example, "-tstop 95" means 95C temperature. You can also specify values for every card, for example "-tstop 95,85,90".
   This feature is disabled by default ("-tstop 0"). You also should specify non-zero value for "-tt" option to enable this option.
   If it turned off wrong card, it will close miner in 30 seconds.
   You can also specify negative value to close miner immediately instead of stopping GPU, for example, "-tstop -95" will close miner as soon as any GPU reach 95C temperature.

-fanmax   set maximal fan speed, in percents, for example, "-fanmax 80" will set maximal fans speed to 80%. You can also specify values for every card, for example "-fanmax 50,60,70".
   This option works only if miner manages cooling, i.e. when "-tt" option is used to specify target temperature. Default value is "100".

-fanmin   set minimal fan speed, in percents, for example, "-fanmin 50" will set minimal fans speed to 50%. You can also specify values for every card, for example "-fanmin 50,60,70".
   This option works only if miner manages cooling, i.e. when "-tt" option is used to specify target temperature. Default value is "0".

-cclock   set target GPU core clock speed, in MHz. If not specified or zero, miner will not change current clock speed. You can also specify values for every card, for example "-cclock 1000,1050,1100,0".
   Unfortunately, AMD blocked underclocking for some reason, you can overclock only.

-mclock   set target GPU memory clock speed, in MHz. If not specified or zero, miner will not change current clock speed. You can also specify values for every card, for example "-mclock 1200,1250,1200,0".
   Unfortunately, AMD blocked underclocking for some reason, you can overclock only.

-powlim set power limit, from -50 to 50. If not specified, miner will not change power limit. You can also specify values for every card, for example "-powlim 20,-20,0,10".

-cvddc   set target GPU core voltage, multiplied by 1000. For example, "-cvddc 1050" means 1.05V. You can also specify values for every card, for example "-cvddc 900,950,1000,970". Supports latest AMD 4xx cards only in Windows.

-mvddc   set target GPU memory voltage, multiplied by 1000. For example, "-mvddc 1050" means 1.05V. You can also specify values for every card, for example "-mvddc 900,950,1000,970". Supports latest AMD 4xx cards only in Windows.

-mport   remote monitoring/management port. Default value is -3333 (read-only mode), specify "-mport 0" to disable remote monitoring/management feature.
   Specify negative value to enable monitoring (get statistics) but disable management (restart, uploading files), for example, "-mport -3333" enables port 3333 for remote monitoring, but remote management will be blocked.
   You can also use your web browser to see current miner state, for example, type "localhost:3333" in web browser.
   Warning: use negative option value or disable remote management entirely if you think that you can be attacked via this port!
   By default, miner will accept connections on specified port on all network adapters, but you can select desired network interface directly, for example, "-mport 127.0.0.1:3333" opens port on localhost only.

-mpsw   remote monitoring/management password. By default it is empty, so everyone can ask statistics or manage miner remotely if "-mport" option is set. You can set password for remote access (at least EthMan v3.0 is required to support passwords).

-colors enables or disables colored text in console. Default value is "1", use "-colors 0" to disable coloring. Use 2...4 values to remove some of colors.

-v   displays miner version, sample usage: "-v 1".



CONFIGURATION FILE

You can use "config.txt" file instead of specifying options in command line.
If there are not any command line options, miner will check "config.txt" file for options.
If there is only one option in the command line, it must be configuration file name.
If there are two or more options in the command line, miner will take all options from the command line, not from configuration file.
Place one option per line, if first character of a line is ";" or "#", this line will be ignored.
You can also use environment variables in "epools.txt" and "config.txt" files. For example, define "WORKER" environment variable and use it as "%WORKER%" in config.txt or in epools.txt.



SAMPLE USAGE

 flypool SSL/TLS connection:
   ZecMiner64.exe -zpool ssl://eu1-zcash.flypool.org:3443 -zwal t1RjQjDbPQ9Syp97DHFyzvgZhcjgLTMwhaq.YourWorkerName -zpsw x

 suprnova SSL/TLS connection:
   ZecMiner64.exe -zpool ssl://zec.suprnova.cc:2242 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 miningpoolhub SSL/TLS connection (this pool detects encryption automatically so it uses same port as for unencrypted connection):
   ZecMiner64.exe -zpool ssl://us-east.equihash-hub.miningpoolhub.com:20570 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 coinmine SSL/TLS connection:
   ZecMiner64.exe -zpool ssl://zec.coinmine.pl:7017 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 flypool (unencrypted connection):
   ZecMiner64.exe -zpool eu1-zcash.flypool.org:3333 -zwal t1RjQjDbPQ9Syp97DHFyzvgZhcjgLTMwhaq.YourWorkerName -zpsw x

 nanopool (unencrypted connection):
   ZecMiner64.exe -zpool zec-eu1.nanopool.org:6666 -zwal t1RjQjDbPQ9Syp97DHFyzvgZhcjgLTMwhaq.YourWorkerName -zpsw x

 miningpoolhub (unencrypted connection)
   ZecMiner64.exe -zpool us-east.equihash-hub.miningpoolhub.com:20570 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 nicehash (unencrypted connection):
   ZecMiner64.exe -zpool equihash.usa.nicehash.com:3357 -zwal 1LmMNkiEvjapn5PRY8A9wypcWJveRrRGWr -zpsw x

 suprnova (unencrypted connection):
   ZecMiner64.exe -zpool zec.suprnova.cc:2142 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 coinmine (unencrypted connection):
   ZecMiner64.exe -zpool zec.coinmine.pl:7007 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword



FAILOVER

Use "epools.txt" file to specify additional pools. This file has text format, one pool per line. Every pool has 3 connection attempts.
Miner disconnects automatically if pool does not send new jobs for a long time or if pool rejects too many shares.
If the first character of a line is ";" or "#", this line will be ignored.
Do not change spacing, spaces between parameters and values are required for parsing.
If you need to specify "," character in parameter value, use two commas - ,, will be treated as one comma.
You can reload "epools.txt" file in runtime by pressing "r" key.
Pool specified in the command line is "main" pool, miner will try to return to it every 30 minutes if it has to use some different pool from the list.
If no pool was specified in the command line then first pool in the failover pools list is main pool.
You can change 30 minutes time period to some different value with "-ftime" option, or use "-ftime 0" to disable switching to main pool.
You can also use environment variables in "epools.txt" and "config.txt" files. For example, define "WORKER" environment variable and use it as "%WORKER%" in config.txt or in epools.txt.
You can also select current pool in runtime by pressing "e" key.



REMOTE MONITORING/MANAGEMENT

Miner supports remote monitoring/management via JSON protocol over raw TCP/IP sockets. You can also get recent console text lines via HTTP.
Start "EthMan.exe" from "Remote management" subfolder (Windows version only).
Check built-in help for more information. "API.txt" file contains more details about protocol.



KNOWN ISSUES

- Windows 10 Defender recognizes miner as a virus, some antiviruses do the same. Miner is not a virus, add it to Defender exceptions.
  I write miners since 2014. Most of them are recognized as viruses by some paranoid antiviruses, perhaps because I pack my miners to protect them from disassembling, perhaps because some people include them into their botnets, or perhaps these antiviruses are not good, I don't know. For these years, a lot of people used my miners and nobody confirmed that my miner stole anything or did something bad.
  Note that I can guarantee clean binaries only for official links in my posts on this forum (bitcointalk). If you downloaded miner from some other link - it really can be a virus.
  However, my miners are closed-source so I cannot prove that they are not viruses. If you think that I write viruses instead of good miners - do not use this miner, or at least use it on systems without any valuable data.



TROUBLESHOOTING

1. Install Catalyst v15.12.
2. Disable overclocking.
3. Reduce intensity ("-i" option).
4. Set environment variables as described above.
5. Set Virtual Memory 16 GB or more.
6. Try "-old 1" option.
7. Reboot computer.
8. Check hardware, risers.



FAQ:

Q: It seems miner mines devfee more than 72 or 90 seconds.
A: No, it does not, please read: https://bitcointalk.org/index.php?topic=1670733.msg16777816;topicseen#msg16777816

Q: Why do I see more shares for devfee than in my mining for the same time?
A: Most pools support variable diff, they change "target share" after some time after connection. For example, you have very powerful rig, after connection you will send shares very often. It takes some CPU time to check your shares so after some time pool will send higher share target and miner will send less shares (but they will have more value). When pool updates share target you will see "Pool sets new share target" line in the miner. This way pool can adjust the number of shares that miner sends and balance its load.
So check the log or console text to see current target for main mining thread and for devfee thread. For example:
DevFee: Pool sets new share target: 0x0083126e (diff: 500H) - this is for devfee mining connection
Pool sets new share target: 0x0024fa4f (diff: 1772H) - this is for main mining connection
As you can see, target share for main mining is higher in about 3.5 times, so for main mining miner sends in 3 times less shares (but they have 3x more value) than for devfee mining.

Q: Miner freezes if I put cursor to its window in Windows 10 until any key is pressed. Sometimes miner freezes randomly until any key is pressed.
A: You should make some changes in Windows:
  https://superuser.com/questions/555160/windows-command-prompt-freezing-on-focus
  https://superuser.com/questions/419717/windows-command-prompt-freezing-randomly?rq=1
  https://superuser.com/questions/1051821/command-prompt-random-pause?rq=1

Q: Can I mix Polaris cards (RX 4xx/5xx) and Fury cards in same rig?
A: You will not get best speed for Polaris and Fury cards mixed in one rig in Windows. Possible solutions:
1. Split Polaris and Fury GPUs to different rigs.
2. Use Linux.
3. Use "-asm 0" option for Fury cards (leave "asm 1" for Polaris cards) though they will have less speed in this mode.

It is also a good idea to read FAQ of Dual miner, most questions/answers are correct for this miner too: https://bitcointalk.org/index.php?topic=1433925.0

[/I am getting cannot build open Cl for my VEGA 56 cards is there any way i can get it sorted]

THIS IS THE GENERAL INFO THREAD: Keep this thread on topic!
All order related questions go here: https://bitcointalk.org/index.php?topic=2141261.0
All support related questions and driver updates/download links here: https://bitcointalk.org/index.php?topic=2420357.0
__________________________________________________

UPDATE 12/6/17

Batch 2 Pre-Orders start tomorrow with estimated Mid January shipments. More info here: https://bitcointalk.org/index.php?topic=2141261.0

UPDATE 11/16/17

Batch 1 Pre-orders are now being shipped out!

Support thread is also up below. Please use this thread to find driver downloads, instructions, and all support related questions.

https://bitcointalk.org/index.php?topic=2420357.0

UPDATE 9/25/17

The final design has been locked in for production next month, and I'm happy to reveal it you all! PCB is a cool matte black design, with the same anodized black aluminum heatsink as the original moonlander. I decided to include both memory voltage adjustment in addition to core voltage, as my tests had an efficiency gain of 10-20% for ASICs that can handle lower memory voltage!

As a super thank you to all who pre-ordered I decided to include a 25mm fan into the cooling solution as well, so no need to come up with clumsy external fan solutions to keep these cool. A top side small ASIC heatsink will also be included to further increase thermal efficiency (it will be black not blue). With this setup I've achieved 1.6W/MH all the way up to 800mhz, which is 4.6 MH of hash power for just 7.5 watts! Pretty impressive for a chip thats designed to do 3.8 MH at the same watts.

Check out the pics below!

UPDATE 9/4/17

Pre-order is now over...please use the below linked pre-order thread for all discussion on order related topics

UPDATE 9/1/17

Official Pre-order has started and links are here: https://bitcointalk.org/index.php?topic=2141261.msg21415891#msg21415891


==============================

Well this one has been a long time coming, but after many months of negotiations, design, and testing I finally have a new USB Stick miner to announce based on a latest gen scrypt chip, that makes this stick one of the most powerful, profitable, and efficient USB Stick miners ever released (even beats bitmain in efficiency with about 1.3 w/mh)!

Like with the original Moonlander project, my goals are the same for this stick and what it means for the crypto community. Build a low cost and easy to use scrypt USB miner that will put mining and Litecoin use into thousands of hands that would have never had the means or experience to do mining before! Except I can hopefully realize this goal this time around, since the original Moonlander project was based on a obsolete chip I happened to get the last remaining stock in, this chip is in full production, and have access to the first batches of chips from the foundry!

So without further ado here is the FutureBit Moonlander 2!



Specs: (these are prototype specs and can change in production version)

- 3mh to 5.5mh scrypt performance per miner
- uses about 1.5w/mh for most of that range
- core clock from 500mhz to nearly 1GHz!
- fully customizable core voltage range from .6 - 1v, as well as adjustable memory voltage
- Fully redesigned 5v->core voltage stage with about 95% efficiency
- Heavy duty/over speced parts were used to ensure wide range of operation (stick can be pushed to nearly 6mh if you can cool it)
- Custom heatsink design, and the first USB miner to feature a built in 25mm Fan!
- status LEDs for power, TX and RX transmission
- uses latest bfgminer 5.4 for control
- Will work with all Mac OS, Linux, and Windows based PCs, as well as RPi's etc (and I will be offering easy to use pre-compiled binaries)


The Moonlander 2 is over 4x the speed, over 5x the efficiency, and nearly 5x the profitability (if you guys remember when the original moonlander came out, it was doing about $2 a month, this stick is doing almost $10 per month at current price/difficulty). This beats out any other stick miner whether scrypt or any other algo!

Best part is that this stick is consuming under 5 watts at its peak efficiency range (~ 4MH), so unlike the original Moonlander which was nearly impossible to operate without a hub and fan, this stick can easily run on USB 3 power with no fan in the 3-4MH range.


Production:

Batch 1 was successfully produced, and shipped out to all pre-orders. Batch 2 is currently underway, check out the pre-order thread for more info on ordering.

Pre-Order/Cost:

Just like the original Moonlander I'm more interested in getting mining and crypto out to as many hands as possible than pure profits (so I need you guys to push these out to all your friends for stocking stuffers and introduction crypto/mining!). While id love to keep the price at around $30 like the original, it will unfortunately not be possible this time around since I got the original ASIC for practically free, this time its a brand new ASIC so I'm paying around $15 just for the ASIC alone. Pricing will most likely be in the 50-70 USD range based on batch component costs and ASIC pricing. (Considering my original is still selling for over $50, and this one is way more efficient and profitable I hope you guys still consider this a steal).

Ordering will also be done a little differently this time, since Im a one guy shop, I was pretty overwhelmed in shipping out hundreds of sticks in time for everyone to get them ASAP, and this time the number of sticks will be way more so I have enlisted a few distributors around the world to handle pre-orders and distribution. Most of these guys you already know and trust so hope that wont be an issue. If you are planning on ordering more than 50 sticks, you can still contact me for direct ordering.

USA/Canada/NA will be handled by Scott at HolyBitcoin, and ASICPuppy
Europe and surrounding areas will be handled by Bitshopper.de
Asia and surrounding region klintay/eyeboot
South Africa/Africa Bitmart.com
Australia/NZ bittawm bittawmart.com


Please contact me if you wish to be a distributor in South America/India, these are the last two major regions I don't have distributors in.

Keep in mind I will work with the distributors to keep fair launch pricing on the initial batch, but this will be only for the initial pre-order batch, and wont be able to control pricing past this. The initial batch is for about 1-2k units, so if you want to pick one up at the initial pricing I would pre-order.



BIG THANKS to all the original buyers of my Moonlander stick...you guys made #2 possible, and hopefully with the success of Moonlander 2 ill be able to launch even some more interesting projects I'm working on!

Keep hashing and spread the word!


Oh and some screenshots of the device actually hashing

Normal operation at my scypt pool...driver is not complete yet so its not reporting hardware hashrate...pool hashrate is displayed (756 MHz clock @ 6 watts... ~ 1.4 w/mh!)



Stress test...nearly 6MH!



Power draw..5w @ 648 MHz (~3.8 MH/s) = ~1.3w/MH...the most efficient operational ASIC miner in the world!

Claymore's ZCash/BTG AMD GPU Miner.
=========================

Latest version v12.6:

- added Vega cards support (ASM mode).
- added ASM mode for RX460/560 cards (+20% speed).
- new GPU sorting method for AMD cards. Now GPUs are sorted by physical bus index (it matches AfterBurner list of GPUs). Also the list of temperatures/fans matches the list of GPUs automatically.
  Therefore "-di detect" and "-gmap" options are not necessary and not supported anymore.
  WARNING: be careful if you use use separate overclock/temperature settings for every card, due to new sorting method GPUs can get different indexes!
- added fan/OC support for 17.7.2 (and higher) drivers.
- improved support for systems with more than 10 GPUs, check readme for "-di" option description for details.
- added pool selection in runtime ("e" key).
- a few minor improvements.


NOTES:
1. Reduce intensity ("-i" option) if miner is unstable or if you see bad speed.
2. It seems there is no way to get full speed on latest drivers for Fiji cards, at least in Windows. So don't use latest drivers for Fury, use 15.12 or 16.3.2, or use "-asm 0" for them if you use newer drivers.


LINKS:

GOOGLE: https://drive.google.com/drive/folders/0B69wv2iqszefdmJickl5MF9BOEE?usp=sharing
MEGA: https://mega.nz/#F!P0ZjFDjC!Cmb-ZRqlbAnNrajRtp4zvA

THERE IS ALSO RUSSIAN TRANSLATION OF THIS README:
https://bitcointalk.org/index.php?topic=1673724


This version is for pools.

Catalyst (Crimson) 15.12 is required for best performance and compatibility.
15.12 does not support some Fiji cards, use 16.3.2 for them.
For 4xx cards (Polaris) Crimson 16.12.2 is recommended.
NOTE: For best performance on Fiji cards you must use 15.12 or 16.3.2 drivers. For newest drivers speed will be slower!
You can get bad results for non-recommended drivers, or miner can fail on startup.
Set the following environment variables, especially if you have 1-2GB cards:

GPU_FORCE_64BIT_PTR 1
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100

For multi-GPU systems, set Virtual Memory size in Windows at least 16 GB:
"Computer Properties / Advanced System Settings / Performance / Advanced / Virtual Memory".

This miner is free-to-use, however, current developer fee is 2% if you use secure SSL/TLS connection to mining pool, every hour the miner mines for 72 seconds for developer.
If you use unsecure connection to mining pool, current developer fee is 2.5%, every hour the miner mines for 90 seconds for developer.
If you don't agree with the dev fee - don't use this miner, or use "-nofee" option.
Attempts to cheat and remove dev fee will cause a bit slower mining speed (same as "-nofee 1") though miner will show same hashrate.
Miner cannot just stop if cheat is detected because creators of cheats would know that the cheat does not work and they would find new tricks. If miner does not show any errors or slowdowns, they are happy.

This version is for recent AMD videocards only: 7xxx, 2xx, 3xx and 4xx, 1GB or more.

There are builds for Windows x64 and Linux x64. No 32-bit support. No NVidia support.



COMMAND LINE OPTIONS:

-zpool    ZCash pool address. Only Stratum protocol is supported.
   Miner also supports SSL/TLS encryption for all data between miner and pool (if pool supports encryption), it significantly improves security.
   To enable encryption, use "ssl://" or "stratum+ssl://" prefix (or "tls" instead of "ssl"), for example: "-zpool ssl://asia1-zcash.flypool.org:3443"

-zwal    Your ZCash wallet address. Also worker name and other options if pool supports it.
   Pools that require "Login.Worker" instead of wallet address are not supported directly currently, but you can use "-allpools 1" option to mine there.

-zpsw    Password for ZCash pool, use "x" as password.

-a   algoritm selection. Possible values: 0..2. 0 - autodetect. You can also specify values for every card, for example "-a 0,2,1". Default value is "0".

-asm   try faster assembler algorithm implementation when possible, it is less compatible but faster. Specify "-asm 0" to disable this option.
   You can also specify values for every card, for example "-asm 0,1,0". Default value is "1".
   Assembler implementation is available for some cards only, miner displays "algorithm ASM" when it is available.

-i   mining intensity. Possible values: 0...9. 0 - lowest intensity and CPU usage, 9 - maximal intensity. You can also specify values for every card, for example "-i 2,5,6". Default value is "6".
   Note: reduce intensity if you get low speed or miner is unstable. Also check several values to find the best speed, for example, "-i 8" can be a bit faster than "-i 9" in some cases.

-old   try to use "-old 1" if v12.0 works stable for you, but newer versions are unstable.

-allpools Specify "-allpools 1" if miner does not want to mine on specified pool (because it cannot mine devfee on that pool), but you agree to use some default pools for devfee mining.
   Note that if devfee mining pools will stop, entire mining will be stopped too.

-di    GPU indexes, default is all available GPUs. For example, if you have four GPUs "-di 02" will enable only first and third GPUs (#0 and #2).
   You can also turn on/off cards in runtime with "0"..."9" keys and check current statistics with "s" key.
   For systems with more than 10 GPUs: use letters to specify indexes more than 9, for example, "a" means index 10, "b" means index 11, etc.

-ftime   failover main pool switch time, in minutes, see "Failover" section below. Default value is 30 minutes, set zero if there is no main pool.

-wd    watchdog option. Default value is "-wd 1", it enables watchdog, miner will be closed (or restarted, see "-r" option) if any thread is not responding for 1 minute or OpenCL call failed.
   Specify "-wd 0" to disable watchdog.

-r   Restart miner mode. "-r 0" (default) - restart miner if something wrong with GPU. "-r -1" - disable automatic restarting. -r >20 - restart miner if something
   wrong with GPU or by timer. For example, "-r 60" - restart miner every hour or when some GPU failed.
   "-r 1" closes miner and execute "reboot.bat" file ("reboot.bash" or "reboot.sh" for Linux version) in the miner directory (if exists) if some GPU failed.
   So you can create "reboot.bat" file and perform some actions, for example, reboot system if you put this line there: "shutdown /r /t 5 /f".

-retrydelay   delay, in seconds, between connection attempts. Default values is "20". Specify "-retrydelay -1" if you don't need reconnection, in this mode miner will exit if connection is lost.

-dbg   debug log and messages. "-dbg 0" - (default) create log file but don't show debug messages.
   "-dbg 1" - create log file and show debug messages. "-dbg -1" - no log file and no debug messages.

-logfile debug log file name. After restart, miner will append new log data to the same file. If you want to clear old log data, file name must contain "noappend" string.
   If missed, default file name will be used.

-nofee   set "1" to cancel my developer fee at all. In this mode some recent optimizations are disabled so mining speed will be slower by about 5%.
   By enabling this mode, I will lose 100% of my earnings, you will lose only 2.5% of your earnings.
   So you have a choice: "fastest miner" or "completely free miner but a bit slower".
   If you want both "fastest" and "completely free" you should find some other miner that meets your requirements, just don't use this miner instead of claiming that I need
   to cancel/reduce developer fee, saying that 2% developer fee is too much for this miner and so on.

-benchmark   benchmark mode, specify "-benchmark 1" to see hashrate for your hardware.

-li   low intensity mode. Reduces mining intensity, useful if your cards are overheated. Note that mining speed is reduced too.
   More value means less heat and mining speed, for example, "-li 10" is less heat and mining speed than "-li 1". You can also specify values for every card, for example "-li 3,10,50".
   Default value is "0" - no low intensity mode.

-tt   set target GPU temperature. For example, "-tt 80" means 80C temperature. You can also specify values for every card, for example "-tt 70,80,75".
   You can also set static fan speed if you specify negative values, for example "-tt -50" sets 50% fan speed. Specify zero to disable control and hide GPU statistics.
   "-tt 1" (default) does not manage fans but shows GPU temperature and fan status every 30 seconds. Specify values 2..5 if it is too often.
   Note: for Linux gpu-pro drivers, miner must have root access to manage fans, otherwise only monitoring will be available.

-ttli   reduce entire mining intensity (for all coins) automatically if GPU temperature is above specified value. For example, "-ttli 80" reduces mining intensity if GPU temperature is above 80C.
   You can see if intensity was reduced in detailed statistics ("s" key).
   You can also specify values for every card, for example "-ttli 80,85,80". You also should specify non-zero value for "-tt" option to enable this option.
   It is a good idea to set "-ttli" value higher than "-tt" value by 3-5C.

-tstop   set stop GPU temperature, miner will stop mining if GPU reaches specified temperature. For example, "-tstop 95" means 95C temperature. You can also specify values for every card, for example "-tstop 95,85,90".
   This feature is disabled by default ("-tstop 0"). You also should specify non-zero value for "-tt" option to enable this option.
   If it turned off wrong card, it will close miner in 30 seconds.
   You can also specify negative value to close miner immediately instead of stopping GPU, for example, "-tstop -95" will close miner as soon as any GPU reach 95C temperature.

-fanmax   set maximal fan speed, in percents, for example, "-fanmax 80" will set maximal fans speed to 80%. You can also specify values for every card, for example "-fanmax 50,60,70".
   This option works only if miner manages cooling, i.e. when "-tt" option is used to specify target temperature. Default value is "100".

-fanmin   set minimal fan speed, in percents, for example, "-fanmin 50" will set minimal fans speed to 50%. You can also specify values for every card, for example "-fanmin 50,60,70".
   This option works only if miner manages cooling, i.e. when "-tt" option is used to specify target temperature. Default value is "0".

-cclock   set target GPU core clock speed, in MHz. If not specified or zero, miner will not change current clock speed. You can also specify values for every card, for example "-cclock 1000,1050,1100,0".
   Unfortunately, AMD blocked underclocking for some reason, you can overclock only.

-mclock   set target GPU memory clock speed, in MHz. If not specified or zero, miner will not change current clock speed. You can also specify values for every card, for example "-mclock 1200,1250,1200,0".
   Unfortunately, AMD blocked underclocking for some reason, you can overclock only.

-powlim set power limit, from -50 to 50. If not specified, miner will not change power limit. You can also specify values for every card, for example "-powlim 20,-20,0,10".

-cvddc   set target GPU core voltage, multiplied by 1000. For example, "-cvddc 1050" means 1.05V. You can also specify values for every card, for example "-cvddc 900,950,1000,970". Supports latest AMD 4xx cards only in Windows.

-mvddc   set target GPU memory voltage, multiplied by 1000. For example, "-mvddc 1050" means 1.05V. You can also specify values for every card, for example "-mvddc 900,950,1000,970". Supports latest AMD 4xx cards only in Windows.

-mport   remote monitoring/management port. Default value is -3333 (read-only mode), specify "-mport 0" to disable remote monitoring/management feature.
   Specify negative value to enable monitoring (get statistics) but disable management (restart, uploading files), for example, "-mport -3333" enables port 3333 for remote monitoring, but remote management will be blocked.
   You can also use your web browser to see current miner state, for example, type "localhost:3333" in web browser.
   Warning: use negative option value or disable remote management entirely if you think that you can be attacked via this port!
   By default, miner will accept connections on specified port on all network adapters, but you can select desired network interface directly, for example, "-mport 127.0.0.1:3333" opens port on localhost only.

-mpsw   remote monitoring/management password. By default it is empty, so everyone can ask statistics or manage miner remotely if "-mport" option is set. You can set password for remote access (at least EthMan v3.0 is required to support passwords).

-colors enables or disables colored text in console. Default value is "1", use "-colors 0" to disable coloring. Use 2...4 values to remove some of colors.

-v   displays miner version, sample usage: "-v 1".



CONFIGURATION FILE

You can use "config.txt" file instead of specifying options in command line.
If there are not any command line options, miner will check "config.txt" file for options.
If there is only one option in the command line, it must be configuration file name.
If there are two or more options in the command line, miner will take all options from the command line, not from configuration file.
Place one option per line, if first character of a line is ";" or "#", this line will be ignored.
You can also use environment variables in "epools.txt" and "config.txt" files. For example, define "WORKER" environment variable and use it as "%WORKER%" in config.txt or in epools.txt.



SAMPLE USAGE

 flypool SSL/TLS connection:
   ZecMiner64.exe -zpool ssl://eu1-zcash.flypool.org:3443 -zwal t1RjQjDbPQ9Syp97DHFyzvgZhcjgLTMwhaq.YourWorkerName -zpsw x

 suprnova SSL/TLS connection:
   ZecMiner64.exe -zpool ssl://zec.suprnova.cc:2242 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 miningpoolhub SSL/TLS connection (this pool detects encryption automatically so it uses same port as for unencrypted connection):
   ZecMiner64.exe -zpool ssl://us-east.equihash-hub.miningpoolhub.com:20570 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 coinmine SSL/TLS connection:
   ZecMiner64.exe -zpool ssl://zec.coinmine.pl:7017 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 flypool (unencrypted connection):
   ZecMiner64.exe -zpool eu1-zcash.flypool.org:3333 -zwal t1RjQjDbPQ9Syp97DHFyzvgZhcjgLTMwhaq.YourWorkerName -zpsw x

 nanopool (unencrypted connection):
   ZecMiner64.exe -zpool zec-eu1.nanopool.org:6666 -zwal t1RjQjDbPQ9Syp97DHFyzvgZhcjgLTMwhaq.YourWorkerName -zpsw x

 miningpoolhub (unencrypted connection)
   ZecMiner64.exe -zpool us-east.equihash-hub.miningpoolhub.com:20570 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 nicehash (unencrypted connection):
   ZecMiner64.exe -zpool equihash.usa.nicehash.com:3357 -zwal 1LmMNkiEvjapn5PRY8A9wypcWJveRrRGWr -zpsw x

 suprnova (unencrypted connection):
   ZecMiner64.exe -zpool zec.suprnova.cc:2142 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword

 coinmine (unencrypted connection):
   ZecMiner64.exe -zpool zec.coinmine.pl:7007 -zwal YourLogin.YourWorkerName -zpsw YourWorkerPassword



FAILOVER

Use "epools.txt" file to specify additional pools. This file has text format, one pool per line. Every pool has 3 connection attempts.
Miner disconnects automatically if pool does not send new jobs for a long time or if pool rejects too many shares.
If the first character of a line is ";" or "#", this line will be ignored.
Do not change spacing, spaces between parameters and values are required for parsing.
If you need to specify "," character in parameter value, use two commas - ,, will be treated as one comma.
You can reload "epools.txt" file in runtime by pressing "r" key.
Pool specified in the command line is "main" pool, miner will try to return to it every 30 minutes if it has to use some different pool from the list.
If no pool was specified in the command line then first pool in the failover pools list is main pool.
You can change 30 minutes time period to some different value with "-ftime" option, or use "-ftime 0" to disable switching to main pool.
You can also use environment variables in "epools.txt" and "config.txt" files. For example, define "WORKER" environment variable and use it as "%WORKER%" in config.txt or in epools.txt.
You can also select current pool in runtime by pressing "e" key.



REMOTE MONITORING/MANAGEMENT

Miner supports remote monitoring/management via JSON protocol over raw TCP/IP sockets. You can also get recent console text lines via HTTP.
Start "EthMan.exe" from "Remote management" subfolder (Windows version only).
Check built-in help for more information. "API.txt" file contains more details about protocol.



KNOWN ISSUES

- Windows 10 Defender recognizes miner as a virus, some antiviruses do the same. Miner is not a virus, add it to Defender exceptions.
  I write miners since 2014. Most of them are recognized as viruses by some paranoid antiviruses, perhaps because I pack my miners to protect them from disassembling, perhaps because some people include them into their botnets, or perhaps these antiviruses are not good, I don't know. For these years, a lot of people used my miners and nobody confirmed that my miner stole anything or did something bad.
  Note that I can guarantee clean binaries only for official links in my posts on this forum (bitcointalk). If you downloaded miner from some other link - it really can be a virus.
  However, my miners are closed-source so I cannot prove that they are not viruses. If you think that I write viruses instead of good miners - do not use this miner, or at least use it on systems without any valuable data.



TROUBLESHOOTING

1. Install Catalyst v15.12.
2. Disable overclocking.
3. Reduce intensity ("-i" option).
4. Set environment variables as described above.
5. Set Virtual Memory 16 GB or more.
6. Try "-old 1" option.
7. Reboot computer.
8. Check hardware, risers.



FAQ:

Q: It seems miner mines devfee more than 72 or 90 seconds.
A: No, it does not, please read: https://bitcointalk.org/index.php?topic=1670733.msg16777816;topicseen#msg16777816

Q: Why do I see more shares for devfee than in my mining for the same time?
A: Most pools support variable diff, they change "target share" after some time after connection. For example, you have very powerful rig, after connection you will send shares very often. It takes some CPU time to check your shares so after some time pool will send higher share target and miner will send less shares (but they will have more value). When pool updates share target you will see "Pool sets new share target" line in the miner. This way pool can adjust the number of shares that miner sends and balance its load.
So check the log or console text to see current target for main mining thread and for devfee thread. For example:
DevFee: Pool sets new share target: 0x0083126e (diff: 500H) - this is for devfee mining connection
Pool sets new share target: 0x0024fa4f (diff: 1772H) - this is for main mining connection
As you can see, target share for main mining is higher in about 3.5 times, so for main mining miner sends in 3 times less shares (but they have 3x more value) than for devfee mining.

Q: Miner freezes if I put cursor to its window in Windows 10 until any key is pressed. Sometimes miner freezes randomly until any key is pressed.
A: You should make some changes in Windows:
  https://superuser.com/questions/555160/windows-command-prompt-freezing-on-focus
  https://superuser.com/questions/419717/windows-command-prompt-freezing-randomly?rq=1
  https://superuser.com/questions/1051821/command-prompt-random-pause?rq=1

Q: Can I mix Polaris cards (RX 4xx/5xx) and Fury cards in same rig?
A: You will not get best speed for Polaris and Fury cards mixed in one rig in Windows. Possible solutions:
1. Split Polaris and Fury GPUs to different rigs.
2. Use Linux.
3. Use "-asm 0" option for Fury cards (leave "asm 1" for Polaris cards) though they will have less speed in this mode.

It is also a good idea to read FAQ of Dual miner, most questions/answers are correct for this miner too: https://bitcointalk.org/index.php?topic=1433925.0

[/I am mining with the Rx 56 Vega card and using the 12.6 version on windows 10 but i am continously getting cannot build open CL on GPU and thus am not able to mine Zcash at all is there any solution to this]