Is it possible to assign different pools (or coins) to specific GPUs in a rig?
For example, GPU1 for ETH pool and GPU2 for ETC pool.
Not in a single instance of the miner. The miner can only use one Ethereum based pool and one of the dual mode coins for all of the cards. However, you can specify which cards to use and then start a second miner instance to mine at a different pool for another card not being used in the first. |
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@Jamievs @Vann Thank you for the information. I was not aware I need to create a decred Account + Worker (I was using the web decred https://wallet.decred.org). Also pointing out to use the config file was helpful, as i wrote a .bat file with the commands and probably would have not used a password as for the eth pool I use "x". I have a few further questions: - Is stratum+tcp://stratum.decredpool.org:3333 the right pool for Claymore Miner? On the website there's only info about ccminer and Nicehash & sgminer.
- MyName.MyWorker is the wallet so if I would like to change decred to anything else I can do it with MyWorker + pw?
- In the config file -mode needs to be 0 for dual mode does it?
- In the epools.txt a sample uses ALLPOOLS: 1, what does this mean?
Thank you again, you helped me already, Zuop For Claymore's miner you should use: stratum+tcp://stratum.decredpool.org:3344 The other stratum port 3333 is for the Nicehash and sgminer and will give you rejected shares. The worker account setting depends on the pool you use. Some pools like Dwarfpool, you use your wallet address and any password. Other pools like decredpool.org, you need to register an account on the pool and create individual workers and passwords in your account that you then setup in the miner command line or configuration file. Yes, for dual mining mode with Claymore's miner you set -mode 0 (which is also the default if not specified). The allpools settings allows the miner to use the default pools for the dev fee. You only need to set it if the pool you are mining at does not have an account for the dev fee. All the configuration options are in the Readme file. -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. |
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Sounds like you have your Decred pool account information wrong. In the config.txt you need to add the pool and login info like this: -epool <ETH POOL>:<PORT>
-ewal <ETH POOL WORKER>
-epsw <WORKER PASSWORD>
-dcoin dcr
-dpool <DECRED POOL>:<PORT>
-dwal <DECRED POOL WORKER>
-dpsw <WORKER PASSWORD>
-mode 1 Then in the epools.txt and dpools.txt you can specify any failover pools. |
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The difference mainly applies to Ethereum mining. However the 8GB card do have a higher memory clock speed (2000 vs 1750 MHz) and slightly better performance, so IMO the ~$50 price difference between the two is worth it if you want to future proof and maximize resale value. Dash mining is ASIC only at this point and currently not profitable to mine with GPU's.
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the current version is running at the highest speed ? Most efficient or fastest, and temperature ?
Yes, this is the best Zcash miner for AMD. Nothing else even comes close. |
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maybe elpida memory card.
need custom strap edited bios. that card has dual bios. 1: 2:
I get 29-30Mh/s with these cards.
How do you go about editing the bios without messing it up? It's pretty simple to modify the memory straps of your original bios, which is a good start. All you need is atiflash and Polaris Bios Editor: https://www.techpowerup.com/download/ati-atiflash/https://github.com/caa82437/PolarisBiosEditorExtract the Atiflash zip to a folder on your Desktop and open a command prompt in that folder. The first step is to backup your original bios in case something goes bad. At the command prompt type: The above command assumes the index of video card you want to backup is 0. It's best to flash the cards one at a time and remove any other cards so you won't make a mistake. After you backup the bios, extract the Polaris bios editor zip to another folder on your Desktop and copy the bios you backed up to that folder. Run Polaris bios editor and open the bios in it. On the bottom right box, you will see the memory timing values. Most people start with copying the value in the 1500 or 1625 MHz box and replacing all the higher frequency values so they are the same. What works best is highly dependent on the type of card you have and the type of memory it uses, so you will have to research what works best for the cards you have. For example on my Asus RX 480 with Samsung memory, the 1750 strap works best. Once you adjust the memory straps save the bios and copy it to the atiflash folder. Flash the bios to your card with: atiflash -p -f 0 MEMSTRAP.ROM After it finishes loading the bios, don't reboot as it asks you to. Since you are using a modified custom bios and the new AMD drivers since 16.12 check for a valid bios signature, you need to patch the driver or use a driver older than 16.12 for Windows to recognize the card. To patch the driver download atikmdag-patcher: https://www.monitortests.com/forum/Thread-AMD-ATI-Pixel-Clock-Patcherand use it to patch the driver before rebooting. |
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If you want to mine Zcash exclusively, the Nvidia 10 series GPU's will give you the best performance per watt. Between 450 - 700 H/s each depending on the model, but they also cost more than AMD's.
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If you want to build a basic setup for real cheap, I would look at the Dell XPS 700 line. They have a LGA775 socket (Core2 Duo) and 4 PCI-E slots. There are plenty on eBay and you should be able to get a used mobo, 1000W power supply, cpu and ram for ~$120. I have a three card XPS 720 rig. The only problem is you can't access the bios with a newer video card in the primary 16x slot, so I have an old Nvidia 6600 I use when I need to access the Bios. Otherwise they boot and mine just fine with three cards.
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Innovation and solving a problem that other digital currencies don't.
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I have a low-end laptop right now. I have an Acer Aspire ES1-431 Laptop with 2GB memory Windows 10. I am not really tech savvy but I think its worth the shot.
Even with free electricity, you're wasting your time. The only chance you have of making any profit is from long term appreciation. In which case trading would be more effective than trying to mine with with a low end cpu and competing against the hash from GPU's, ASICS and botnets. |
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Yes, the SATA to 6-pin adapter is only used if you don't have a 6-pin power connector available.
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Your PSU should also have 6-pin VGA power cables. Both types have 3 12v pins. You connect the 8-pin to the VGA card and the 6-pin to the riser. There are also 8-pin to 6+2 splitter adapters you can use: https://www.amazon.com/dp/B01LVZBJML |
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PCI-E video cards draw power from both the VGA power connector and the PCI-E bus. Some cards will draw more power from the PCI-E bus than others. Powered PCI-E risers are used to make sure the card gets enough power, without overloading the PCI-E slot. Good risers also have a voltage regulator that ensures the card isn't getting too much power. Just using a ribbon cable to connect the card to a 1x PCI-E slot isn't recommended as it will draw too much power from a slot that isn't designed for it and also overload the thin wires in the cable. The powered risers that use a 6-pin VGA power connector like this one https://www.amazon.com/gp/product/B071XPXLBPare safer than using a SATA or Molex connector since they can deliver more power and spread the load over more wires. |
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Hi friends!
I found not expensive 6990. Is it good to mine Zec on it?
How much speed it could run ?
I think the 6990 uses too much power. I know it. Whats the speed ? I mean that CM dont support old gen. cards . so its not optimized and i just wonder how much is the speed I have a HD 7850 card and it gets about ~200 H/s. The 6 series cards will be alot less, so they would not be efficient to use. Also if you plan on using it in a rig with newer cards, the RX 480 Catalyst Relive drivers only work with GCN1 and above cards (HD 7xxx and up). So 280x with same price as 6990 is better? Lets forget about power cost. Yes, the 280x is a GCN 1 generation card that gets ~200 H/s at around 250W https://www.cryptocompare.com/mining/asus/radeon-r9-280x-directcuii-zcash-mining/ |
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Hi friends!
I found not expensive 6990. Is it good to mine Zec on it?
How much speed it could run ?
I think the 6990 uses too much power. I know it. Whats the speed ? I mean that CM dont support old gen. cards . so its not optimized and i just wonder how much is the speed I have a HD 7850 card and it gets about ~200 H/s. The 6 series cards will be alot less, so they would not be efficient to use. Also if you plan on using it in a rig with newer cards, the RX 480 Catalyst Relive drivers only work with GCN1 and above cards (HD 7xxx and up). |
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OK thx, but it's confusing to see these different drivers. I think there must be a "difference" between them, otherwise it would make no sense for AMD to release three different drivers (costs time and money to let the developers create, test and deploy them).
Very strange!
No difference at all. It's just different links to the same driver. |
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