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1  Bitcoin / Electrum / Re: Unexpected magic characters on: November 28, 2017, 11:37:58 PM
bump, same issue....


Someone told me that electrum uses an old python library for trezor in its binaries. I tried PMing thomasV to confirm but no reply.


ive temporarily moved my hot btc to nano S. Slightly more annoying to use... but it works atleast.

Did you ever hear back? I am having the same problem.

Electrum 3.0.2

Firmware 1.5.2


negative.

im just using my nano s fine. when trezor works again ill re-evaluate.


you can roll back your electrum to version 2.7x or something. It works fine

kryptopojken and others here.

Talking with kyuupichan on irc at #electrum and he suggested enabling the addresses tab in the view menu and then right click an address and choose show on trezor. This worked and the red dot on the trezor icon turned green. Everything seemed to work after that. Maybe give it a try yourself but please, if you send some btc to it, do a very small test amount first to make sure all is well for you too.
2  Bitcoin / Electrum / Re: Unexpected magic characters on: November 26, 2017, 02:52:16 AM
bump, same issue....


Someone told me that electrum uses an old python library for trezor in its binaries. I tried PMing thomasV to confirm but no reply.


ive temporarily moved my hot btc to nano S. Slightly more annoying to use... but it works atleast.

Did you ever hear back? I am having the same problem.

Electrum 3.0.2

Firmware 1.5.2
3  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.6 (Windows/Linux) on: August 18, 2017, 05:58:12 PM
Claymore, have you tried out the new drivers for GPU mining from AMD? Do you have any recommendations?

https://support.amd.com/en-us/kb-articles/Pages/Radeon-Software-Crimson-ReLive-Edition-Beta-for-Blockchain-Compute-Release-Notes.aspx
4  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.5 (Windows/Linux) on: June 24, 2017, 08:53:04 PM
Hey guys, just wondering how people with a huge amount of rigs monitor their machines should one go down, etc, etc?

I only have a few rigs, but not enough monitors, nor enough power outlets in one area to use the same one, so it's been a struggle. Any suggestions?

you can also use Awesome Miner with i use, it's not free but SOOOOO much more than just monitor.

Do you have a link?

http://www.awesomeminer.com/
5  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.5 (Windows/Linux) on: June 08, 2017, 03:47:19 AM
I was having the same issue but updating all my rigs to 12.5 fixed it and no more rejects on Nicehash. Before on 12.4 there were MANY rejects.

I'm getting a lot of issues with the Claymore miner within NiceHash in the past week, anyone else getting this?

This happens on 3 separate rigs running different cards, Furys, 280 and 390.

What often happens is periods of rejected shares even though the cards are rock solid stable and periods of disconnects/timeouts, I've tried switching regions but the same issue. If I switch miners I get no issues, but of course Claymore is the best performing.

Getting the same.
My idea is there is a new coin out there that is not properly supported by CM miner, hence the rejects.
Hush? Zencash?

Please PM me the log file so I can check the reason.
6  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.5 (Windows/Linux) on: May 30, 2017, 02:26:39 AM
What is the recommended processor for mining rigs these days? I have way over powered ones in my older rigs and appreciate suggestions on an intel cpu that will be enough now and going forward.
7  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.5 (Windows/Linux) on: May 27, 2017, 07:40:12 PM
I find MSI Afterburner works well for undervolting and changing clock speeds.

Hey guys, just pulled some old cards off the shelf to start mining again (280x and a 7970). Mined plenty of coins in the past but never ZEC and am running into some issues...

Setup:
Mobo - Asus M5A78L-M LX PLUS
OS - Win7 64
PSU - EVGA 700w Bronze
Miner Version: 12.0, 12.4
Driver: 15.12

The 280x (Sapphire DualX) is detected and hashing at around 240 using 12.4 and 180 using 12.0, but the average seems to be around 290 so I'm wondering how to increase these speeds a bit. Stock clock speeds and BIOS. Also, the 7970 (IceQ) is not being detected at all. Tried reinstalling the drivers and switching PCI-E ports and risers, still no luck. Virtual memory is set at 16gb. I've never had to use the "jumper trick" on this motherboard, but I was also mining on Linux previously - would that make a difference?

Running at intensity 5, are there any other config settings I can change that would help? Any assistance is greatly appreciated!

EDIT: I'm a dummy, the USB port on the riser wasn't plugged in all the way and the 7970 is working now. The hash rate increased a bit with the second card in (250 H/s per card) but is still about 40 H/s slower than other people with stock clock/BIOS settings.

Also, what utilities are people using to undervolt these older cards? Is it a desktop app, the BIOS, or can this only be done by reflashing the card itself? Thanks again!
8  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: April 19, 2017, 09:23:31 PM
hey how is the hashrate for the RX 480 when overclocked and modded the bios?

That is around 300H/s.

When I was mining ZEC with my Sapphire Nitro+ OC 8GB 480s I was getting 330H/s on them with some fairly heavy OC.

Does the amount of ram make much difference with ZEC and ETH? 4GB versus 8GB
9  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: April 09, 2017, 11:57:05 PM
I heard Vega 10 Gpu will be around 600$

Is 600 H/s realistic for Vega 10?...of course after some claymore tuning

Thinking about building 2 vega 10  6 gpu rigs

FYI you can get the Fury at $230 that give you 470 sols @ 250 watts. That's 5650 Sols total on a total investment of $2700. The monthly profit is $825 giving you a 3 month ROI, The Vega at $500 a piece will give you an ROI in 8 month.

Is the Fury better investment than the rx480 then?
10  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 26, 2017, 09:22:21 PM
Anybody tried the Biostar TB250 mobo?

I was thinking of trying it out but thought maybe you guys already had and have any advise

Thanks...

Yes I have one running a Celeron 1150. So far no problems

I've not been able to actually find these (TB250) for sale anywhere. Where do you buy them?
11  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 25, 2017, 09:37:07 PM
If anyone can give some information on how to undervolt I would be very grateful.

Saphire rx470 8gb cards.

Here is what I do to get 28MHs+ on my MSI RX470 gaming X 4gb Hynix .  (Find out what type of chip you have in the GPU - You do different processes for each)

1) In ATIwinflash save your base bios:  Open atiwinflash and hit save.  Save the file. 

2) Strapping:  Open Polaris Bios Editor and on the timing (MHz) copy the 1500 data to the three settings larger than 1500. On Samsung you will copy the 1750 timing to the larger values.  Watch this video that shows you how to strap.  I did the same method:  https://youtu.be/OP_zSP2H6ho  This will get you 23.5mhs per gpu.

2) On the MSI Afterburner I set the Memory Clock to 2000 and the Core Clock to 1150(up to about 1275) and press the check(Apply).  This should get you the 28mhs.

3) Now I go to WattTool and look at the numbers for each gpu individually.  In this case for gpu "0:Radeon (TM) RX 470 Graphics" look at the mV number in "R7" = 1150mV.  I do not want this number less than 1000mV.  This is just my preference.  Look at the Voltage Offset.  Whatever number you put in here it will be multiplied x 6.25 so, 20 x 6.25 = 125.  1150 - 125 = 1025mV(which is above 1000)  so this one would be -20 and then click "Set"  This gpu should now produce much lower watts.

4) Go to the next gpu and evaluate the number and make the changes in the Voltage Offset based upon the mV number in "R7."  Each gpu will be different.

Good Luck

Let me know if you have more questions.  

Can I undervolt without messing around with the polaris bios editor?

I am happy with the speed, just want to undervolt.

Thanks for the information, I will give it a go.



Yes, just start at step 3

Nice tutorial. Thanks
12  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 24, 2017, 05:22:14 PM
My Sapphire 280x toxic cards continue to hang almost every hour or two. I tried every possible settings for power, clocks, intensity, VM set to 24 GB and nothing works. Most of the cases -wd 1 or -r 0 options manage to restart the miner but sometimes the zecminer window is frozen, I can't even manually or with killing with the task manager close it. Is there a script that can recognize when a zecminer window is not responding and then restarting the windows? I know that -r 1 can restart but I don't want to do it so often. It will waste too much time since in 4 out of 5 cases -r 0 does the job.
Use v12.1 and be calm
12.1, even 11.xx is the same story

Nearly every time I have an issue like yours I'm able to fix it by turning off the rig, unplug the video cards from the risers, unplug the risers from the mother board, unplug the pcie cables from the video cards, unplug the pcie cables from the psu. Next I put it all back together and assure very good connections. The has fixed my issues every time.

What I usually do is simply shit it down and re affirm all connections but I follow the above procedure if just re seating all cables without disconnecting everything fails.
13  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 20, 2017, 04:55:33 AM
for jddebug

What is your intesity setting i am using sapphire r9 280x and MSI 7970 lighting and have found that if I go for intesity higher than -i 2 my rigs start going unstable (restarting,hanging etc..) for the 7970 with downvolt to 1069 mV on the GPU core, on the r9 280 x I can do -i 4 and be stable with the downvolt of 980 mV.

7970 downvolt stable -i 2 get 290 to 300 h/s on claymore 12.4
r9 280 downvolt stable -i 4 get 290 to 300 h/s on claymore 12.4 

All cards are running asm option
Hope this helps

This did help get me where I wanted to be. I was able to use -i 6 for my 7970's and they are stable so far.

Thank you.
Hi,
so you undervolt them and now they are stabe with more then -i 2 ?

No, I made changes that djolep07 made me think about.

I have voltage set to about the same as djolep07.

I have this in my config:

-zpool equihash.usa.nicehash.com:3357
-zwal (my wallet address).r10
-zpsw z
-allpools 1
-i 6
-asm 1

(I had -i 8. Even though the miner sets intensity to 7 that is to high and it made everything slower. I believe that was the problem.)

I didn't have -asm 1 in my config. I think the miner was automatically using it anyway but now I set it to use it for sure.

Additionally, I noticed that my start.bat file didn't have the extra parameters in it anymore. I may have missed that when I did a previous update.

So now it has all this in it:

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
ZecMiner64.exe

Getting a nice 300+ H/s from each card now.
So you are using more than -i 2 on 7970 cards and it is not crashing ?

Thats correct. I am using -i 6 and it is completely stable.
14  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 19, 2017, 10:09:04 PM
for jddebug

What is your intesity setting i am using sapphire r9 280x and MSI 7970 lighting and have found that if I go for intesity higher than -i 2 my rigs start going unstable (restarting,hanging etc..) for the 7970 with downvolt to 1069 mV on the GPU core, on the r9 280 x I can do -i 4 and be stable with the downvolt of 980 mV.

7970 downvolt stable -i 2 get 290 to 300 h/s on claymore 12.4
r9 280 downvolt stable -i 4 get 290 to 300 h/s on claymore 12.4 

All cards are running asm option
Hope this helps

This did help get me where I wanted to be. I was able to use -i 6 for my 7970's and they are stable so far.

Thank you.
Hi,
so you undervolt them and now they are stabe with more then -i 2 ?

No, I made changes that djolep07 made me think about.

I have voltage set to about the same as djolep07.

I have this in my config:

-zpool equihash.usa.nicehash.com:3357
-zwal (my wallet address).r10
-zpsw z
-allpools 1
-i 6
-asm 1

(I had -i 8. Even though the miner sets intensity to 7 that is to high and it made everything slower. I believe that was the problem.)

I didn't have -asm 1 in my config. I think the miner was automatically using it anyway but now I set it to use it for sure.

Additionally, I noticed that my start.bat file didn't have the extra parameters in it anymore. I may have missed that when I did a previous update.

So now it has all this in it:

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
ZecMiner64.exe

Getting a nice 300+ H/s from each card now.
15  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 19, 2017, 08:49:41 PM
for jddebug

What is your intesity setting i am using sapphire r9 280x and MSI 7970 lighting and have found that if I go for intesity higher than -i 2 my rigs start going unstable (restarting,hanging etc..) for the 7970 with downvolt to 1069 mV on the GPU core, on the r9 280 x I can do -i 4 and be stable with the downvolt of 980 mV.

7970 downvolt stable -i 2 get 290 to 300 h/s on claymore 12.4
r9 280 downvolt stable -i 4 get 290 to 300 h/s on claymore 12.4 

All cards are running asm option
Hope this helps

This did help get me where I wanted to be. I was able to use -i 6 for my 7970's and they are stable so far.

Thank you.
16  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 19, 2017, 09:05:04 AM
Claymore,

I have 42 Radeon 7970's. I've been mining with your miners for a year. I get 1.17KHs with 12.0 on a 4 card rig but every version after that lowers my hashrate.  I just tried 12.4 and same problem. All cards hash slower. Getting 1.05 max.

Any suggestions? I have increased the voltage but that doesn't seem to do it.

Thanks.

Have you installed newer drivers? I get less h/s with those 17.x.x drivers than with 16.9.2

Per the readme I am using 15.12 on all rigs.
17  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.4 (Windows/Linux) on: March 19, 2017, 01:13:28 AM
Claymore,

I have 42 Radeon 7970's. I've been mining with your miners for a year. I get 1.17KHs with 12.0 on a 4 card rig but every version after that lowers my hashrate.  I just tried 12.4 and same problem. All cards hash slower. Getting 1.05 max.

Any suggestions? I have increased the voltage but that doesn't seem to do it.

Thanks.
18  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v12.3 (Windows/Linux) on: March 11, 2017, 05:16:48 AM
I have all 7970 rigs. I'm still on version 12.0

Is there any real improvement for 7970's in the more recent builds?
19  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v10.0 (Windows/Linux) on: January 09, 2017, 08:53:39 AM
So what is regular speed with 280x with 1100/1500 clocks ?

Im getting 211-221 H/s on ver.10

Is it ok ?

So for single r9 280x hashspeed is okey ? Can i do more with it ?

Best I've gotten is 222 so far so I'd say your good.
20  Alternate cryptocurrencies / Mining (Altcoins) / Re: Claymore's ZCash AMD GPU Miner v10.0 (Windows/Linux) on: January 08, 2017, 10:18:16 PM
Anyone using 7970's. What are you finding for the best Algorithm? What hashrate are you seeing?

I'm getting about 890H/s with 4 7970's using a2 i8. With a single 7090 I get 223H/s with a2 i8.

Thanks
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