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The blockchain driver fixes the Dag file epoch hash drop issue that Polaris cards have with Ethash coins that have a Dag file larger than 2GB. No difference in other algorithms.
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RX 580 can be unstable at less than 900 mV, especially dual mining. I would try increasing the core voltage to 900 or 950 mV. I have the same RX 580 8GB MSI Gaming X card and I use 1150 MHz core clock with 2100 MHz memory clock and a -100 mV undervolt with -15% power limit in Afterburner. Also your dcri intensity is set way too low. Try dcri 30 or 29 and that will increase your DCR hash rate without affecting the ETH hash rate.
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You can't use a GPU on Board. The slots are very close to each other. To mine coins you need to the minimum distance between the GPU was 10 cm You will still need to use risers. It seems to me that the use of expensive motherboards it is an unjustified waste of money.
Really? Don't tell that to PhilipMA. LOL |
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The same driver is compatible with both cards. If you want to mine Ethash coins like Ethereum on Windows 10 v1709 (Fall Creators Update), you need to use the latest Crimson Relive 17.1x.x drivers and toggle to the 'compute' mode from 'gaming' for each card in AMD settings. If you are having problems installing the driver with all the cards connected to the motherboard, remove all the GPU drivers in safe mode using DDU and make sure to enable the option in DDU to disable the Windows automatic driver install. Then shutdown and connect only one card to the primary x16 PCI-E slot. Once you install the driver for the one card, shutdown and connect two more cards to the motherboard. Start the rig and wait until Windows detects the cards and installs the drivers automatically. It may take a while for the cards to show up in Device Manager. Wait and confirm in the Windows Task Manger there is no running instance of the Driver Installation Module running. Once the Driver Installation Module is no longer showing in Task Manager, shutdown and repeat the process, connecting two cards at a time until all the cards are shown in Device Manager. With RX 470/480 or RX 570 cards, you will then need to use the pixel patcher to bypass the driver signature check with a modded Bios to remove the Code 43 error in Device Manager before the cards will work. Just run the patcher, reboot and verify all the cards are shown in Device Manager with no errors. https://www.monitortests.com/forum/Thread-AMD-ATI-Pixel-Clock-Patcher |
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Lot's of people have problems with more on than 5 cards on Gigabyte boards. If you want a good motherboard with 3 x16 PCI-E slots that is known to be rock solid with 6+ GPU's, I would suggest the Asus Prime Z270-A or Z270-AR. It has 3 x16 PCI-E slots, 4 x1 slots and you can use the m.2 slots with a PCI-E adapter to get up to 9 cards. It was BBT's go to board for many of his builds and there are tons of videos on Youtube on how to set it up as well. https://www.newegg.com/Product/Product.aspx?Item=N82E16813132936https://www.youtube.com/watch?v=DR-FkpU2KfI |
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The problem is not Windows. The problem is the Asus B250 mining expert REQUIRES using Nvidia P106 mining cards with more than 13 cards on the board. BBT was able to run 21 cards, 13 AMD RX 570 and 8 Nvidia P106 in Windows 10 with the latest Crimson Relive drivers on the Asus B250 mining expert. I don't think anyone has been able to run more than 13 AMD cards in Linux on this board either.
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See if a different Bios is detected for any of the cards when you change the Bios switch to the side you didn't change. If they are all the same, put the Bios switch on the side closest to the I/O ports and try flashing the original Bios from the cards with only the 1750 MHz straps copied higher. After you flash the Bios try running them with a 1150 MHz core clock and 2000 MHz memory clock.
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7 RX 570 dual mining will use ~700 W from the VGA power only. You can run 7 cards on one 900 W and 6 on the other one. Keep in mind server PSU's are made to run in a server room where no one is around them and without consideration to how loud the fans are. At 80% power, the PSU fans will be spinning fast and most likely loud. You also will have to turn the server PSU's on and off manually since you don't have an ATX 24-pin to daisy chain them. For the motherboard and 13 risers I would recommend a 1000 W ATX PSU minimum.
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The pixel patcher needs to be run any time you update the driver or install a new card. When you install a new card or move a card to a different PCI-E slot, Windows will automatically install the driver for that card and you will need to run the patcher. It also keeps an identifer for the card in each PCI-E slot in the registry, which is why you should remove any hidden devices in Device Manager to prevent conflicts.
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If you moved cards to a diffrent PCI-E slot check in Device Manager ===> View ===> 'Show hidden devices' and remove any hidden GPU's shown. If you have Bios modded cards you may need to run the pixel patcher to bypass the signature check and reboot. If that dosen't solve it, remove all the GPU drivers in safe mode using DDU and shutdown. Connect only the AMD cards and install the driver and patch the signature check. Once the cards show up in Device Manager and are working, shutdown and connect the Nvidia card and install the driver.
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If you want to mine ETH to cash out in to fiat and are in the US, you can use a GDAX (owned by Coinbase) ETH wallet address, trade the ETH to BTC, transfer the BTC to Coinbase for free and then sell the BTC for USD and transfer it to your bank account for a fee or get a Shift debit Visa card connected to your Coinbase wallet to spend the BTC with no fees. For a pool I like Ethermine.
Yes I am in US. Will be using 1x Vega 64 to mine for start. This idea about GDAX seems very good. Thanks. I also read about Exodus which has built-in shapeshift to trade coin. What do u think about that? Thanks Shapeshift charges a Bitcoin Miner Fee of 0.00125 BTC for all trades in to BTC. At $11K BTC that's $13.75 for any trade in to BTC. GDAX only charges 0.30% of the trade as fee and transfers to a Coinbase wallet are free and instant. Cash back transactions with the Shift card and purchases are also free or you can do an ATM cash withdrawl for a $2 fee + the ATM fee. |
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The blockchain driver released by AMD has issues on Windows 7. You can try installing the blockchain driver released by Robinhood manually after running DDU in safe mode to uninstall all the GPU drivers. Make sure to enable the option in DDU to disable the Windows automatic driver install. Then just reboot and install the driver manually. With a modded Bios on a RX 570 you also need to run the pixel patch to disable the driver signature check after installing the driver or you will have a code 43 error in the Windows Device Manager and the cards won't work. https://bitcointalk.org/index.php?topic=2068446.0https://www.monitortests.com/forum/Thread-AMD-ATI-Pixel-Clock-Patcher |
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There are sata and 4-pin molex risers, but I like 6-pin PCI-E risers the best. They have better power regulation with four capacitors instead of three, a voltage regulator to prevent spikes and 6-pin connectors that are rated for 75W each. If you use sata or molex risers, be sure to only connect 2 risers max per psu strand or you will overload the connector and cable. Sometines I use dual 4-pin molex to 6-pin PCI-E adapter cables to power risers but the quality of the connectors is not the best. https://www.aliexpress.com/item/10Pcs-Set-Dual-Molex-4-Pin-To-One-PCI-E-6-Pin-Power-Connector-Y-Adapter/32820421116.html? |
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The 1500 MHz timing straps are too aggressive for some cards which is why I use the Polaris Bios Editor v1.6.2 'one click patch'. That adjusts the 1750 MHz and up straps only. PBE v1.6.3 and up adjusts the straps from 1500 MHz and up. Most cards have more than one memory type with a different set of straps for each labeled 1: for the first set and 2: for the second set. When copying the straps manually, you need to copy the straps from each set and not mix them up with the timings on the other set. PBE identifies the memory type and applies the correct straps automatically with the 'one click timing patch'.
Flip the Bios switch to the side closest to the I/O poerts and only flash that Bios. Before flashing a Bios to a card, you need to make sure it has the same memory type as card the Bios came from. Even cards from the same brand and model will often have different memory types as manufacturers use what ever memory is available from different vendors when they are manufacturing cards. I would flash the original Bios back to each card and then in ethos you can check what memory type is listed for each card. Once you have confirmed the cards are all the same, try flashing a Bios with only the 1750 MHz and up timings adjusted. Either manually from the original Bios or with PBE v1.62.
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