Topic: Miner Issues - Please Help (Read 701 times)
What miner are you using and what are your settings?
Disregard....I see now that it's Win8. Unfortunately all of my experience is on Linux, so I'm not sure I have much to contribute now.
I recently built a rig with:
To start it out, I decided to only use two of the GPUs just to make sure that it worked. After some fiddling (plugging in monitors, etc.) I got the two 7950s to hash away in cgminer at intensity 20 at roughly 630-640 mhash each. Then I decided that I wanted another GPU so I shut the rig down. I then used a 16x to 16x riser cable and plugged another 7950 into a 16x PCI slot on the motherbaord. Then I plugged in the necessary 2x8 pin connectors to give the card power and the molex connector into the PCI riser cable. Then when I turned on the compter on, it did not even recognize the card. After I restarted the card, it finally did recognize it but when I activated cgminer and tried to mine on it I only got roughly 50 mhash out of it or so. I have switched out riser cables and I have plenty of power so I know they are not the factors causing the error. I have also tried plugging in monitors to the cards and that did not work either.
Does anyone know what could be going wrong/have any suggestions? I have tried everything I could think of and would be extremely grateful for any assistance. Is there anything I should change in the BIOS?
Thank you
Have a look and see if the card is stuck at low clocks (power saving)- rosewill 1300 watt PSU - http://www.amazon.com/Rosewill-Certified-ATX12V-EPS12V-LIGHTNING-1300/dp/B0057JFOKU
- gigabyte ultra durable motherboard
- 4 sapphire vapor x 7950 GPUs - http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11196-09-40G/dp/B009MML1UA/ref=sr_1_1?ie=UTF8&qid=1373516838&sr=8-1&keywords=sapphire+7950
- i7 3770k processor - http://www.amazon.com/Intel-i7-3770K-Quad-Core-Processor-Cache/dp/B007SZ0EOW/ref=sr_1_1?s=electronics&ie=UTF8&qid=1373517257&sr=1-1&keywords=i7+3770k
- 16GB corsair vengeance RAM - http://www.amazon.com/Corsair-Vengeance-Desktop-Memory-CMZ16GX3M2A1600C10/dp/B006EWUO22
- 4 powered riser cables (3 16x to 16x and 1 1x to 16x)
- western digital 500 GB HDD
- windows 8 64 bit
- a milk crate case
To start it out, I decided to only use two of the GPUs just to make sure that it worked. After some fiddling (plugging in monitors, etc.) I got the two 7950s to hash away in cgminer at intensity 20 at roughly 630-640 mhash each. Then I decided that I wanted another GPU so I shut the rig down. I then used a 16x to 16x riser cable and plugged another 7950 into a 16x PCI slot on the motherbaord. Then I plugged in the necessary 2x8 pin connectors to give the card power and the molex connector into the PCI riser cable. Then when I turned on the compter on, it did not even recognize the card. After I restarted the card, it finally did recognize it but when I activated cgminer and tried to mine on it I only got roughly 50 mhash out of it or so. I have switched out riser cables and I have plenty of power so I know they are not the factors causing the error. I have also tried plugging in monitors to the cards and that did not work either.
Does anyone know what could be going wrong/have any suggestions? I have tried everything I could think of and would be extremely grateful for any assistance. Is there anything I should change in the BIOS?
Thank you
I already changed the clocks several times - overclocked it, set it to stock clocks, and underclocked it. None of those made it work.
Thanks for the reply though
I recently built a rig with:
To start it out, I decided to only use two of the GPUs just to make sure that it worked. After some fiddling (plugging in monitors, etc.) I got the two 7950s to hash away in cgminer at intensity 20 at roughly 630-640 mhash each. Then I decided that I wanted another GPU so I shut the rig down. I then used a 16x to 16x riser cable and plugged another 7950 into a 16x PCI slot on the motherbaord. Then I plugged in the necessary 2x8 pin connectors to give the card power and the molex connector into the PCI riser cable. Then when I turned on the compter on, it did not even recognize the card. After I restarted the card, it finally did recognize it but when I activated cgminer and tried to mine on it I only got roughly 50 mhash out of it or so. I have switched out riser cables and I have plenty of power so I know they are not the factors causing the error. I have also tried plugging in monitors to the cards and that did not work either.
Does anyone know what could be going wrong/have any suggestions? I have tried everything I could think of and would be extremely grateful for any assistance. Is there anything I should change in the BIOS?
Thank you
Have a look and see if the card is stuck at low clocks (power saving) - rosewill 1300 watt PSU - http://www.amazon.com/Rosewill-Certified-ATX12V-EPS12V-LIGHTNING-1300/dp/B0057JFOKU
- gigabyte ultra durable motherboard
- 4 sapphire vapor x 7950 GPUs - http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11196-09-40G/dp/B009MML1UA/ref=sr_1_1?ie=UTF8&qid=1373516838&sr=8-1&keywords=sapphire+7950
- i7 3770k processor - http://www.amazon.com/Intel-i7-3770K-Quad-Core-Processor-Cache/dp/B007SZ0EOW/ref=sr_1_1?s=electronics&ie=UTF8&qid=1373517257&sr=1-1&keywords=i7+3770k
- 16GB corsair vengeance RAM - http://www.amazon.com/Corsair-Vengeance-Desktop-Memory-CMZ16GX3M2A1600C10/dp/B006EWUO22
- 4 powered riser cables (3 16x to 16x and 1 1x to 16x)
- western digital 500 GB HDD
- windows 8 64 bit
- a milk crate case
To start it out, I decided to only use two of the GPUs just to make sure that it worked. After some fiddling (plugging in monitors, etc.) I got the two 7950s to hash away in cgminer at intensity 20 at roughly 630-640 mhash each. Then I decided that I wanted another GPU so I shut the rig down. I then used a 16x to 16x riser cable and plugged another 7950 into a 16x PCI slot on the motherbaord. Then I plugged in the necessary 2x8 pin connectors to give the card power and the molex connector into the PCI riser cable. Then when I turned on the compter on, it did not even recognize the card. After I restarted the card, it finally did recognize it but when I activated cgminer and tried to mine on it I only got roughly 50 mhash out of it or so. I have switched out riser cables and I have plenty of power so I know they are not the factors causing the error. I have also tried plugging in monitors to the cards and that did not work either.
Does anyone know what could be going wrong/have any suggestions? I have tried everything I could think of and would be extremely grateful for any assistance. Is there anything I should change in the BIOS?
Thank you
I recently built a rig with:
To start it out, I decided to only use two of the GPUs just to make sure that it worked. After some fiddling (plugging in monitors, etc.) I got the two 7950s to hash away in cgminer at intensity 20 at roughly 630-640 mhash each. Then I decided that I wanted another GPU so I shut the rig down. I then used a 16x to 16x riser cable and plugged another 7950 into a 16x PCI slot on the motherbaord. Then I plugged in the necessary 2x8 pin connectors to give the card power and the molex connector into the PCI riser cable. Then when I turned on the compter on, it did not even recognize the card. After I restarted the card, it finally did recognize it but when I activated cgminer and tried to mine on it I only got roughly 50 mhash out of it or so. I have switched out riser cables and I have plenty of power so I know they are not the factors causing the error. I have also tried plugging in monitors to the cards and that did not work either.
Does anyone know what could be going wrong/have any suggestions? I have tried everything I could think of and would be extremely grateful for any assistance. Is there anything I should change in the BIOS?
Thank you
- rosewill 1300 watt PSU - http://www.amazon.com/Rosewill-Certified-ATX12V-EPS12V-LIGHTNING-1300/dp/B0057JFOKU
- gigabyte ultra durable motherboard
- 4 sapphire vapor x 7950 GPUs - http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11196-09-40G/dp/B009MML1UA/ref=sr_1_1?ie=UTF8&qid=1373516838&sr=8-1&keywords=sapphire+7950
- i7 3770k processor - http://www.amazon.com/Intel-i7-3770K-Quad-Core-Processor-Cache/dp/B007SZ0EOW/ref=sr_1_1?s=electronics&ie=UTF8&qid=1373517257&sr=1-1&keywords=i7+3770k
- 16GB corsair vengeance RAM - http://www.amazon.com/Corsair-Vengeance-Desktop-Memory-CMZ16GX3M2A1600C10/dp/B006EWUO22
- 4 powered riser cables (3 16x to 16x and 1 1x to 16x)
- western digital 500 GB HDD
- windows 8 64 bit
- a milk crate case
To start it out, I decided to only use two of the GPUs just to make sure that it worked. After some fiddling (plugging in monitors, etc.) I got the two 7950s to hash away in cgminer at intensity 20 at roughly 630-640 mhash each. Then I decided that I wanted another GPU so I shut the rig down. I then used a 16x to 16x riser cable and plugged another 7950 into a 16x PCI slot on the motherbaord. Then I plugged in the necessary 2x8 pin connectors to give the card power and the molex connector into the PCI riser cable. Then when I turned on the compter on, it did not even recognize the card. After I restarted the card, it finally did recognize it but when I activated cgminer and tried to mine on it I only got roughly 50 mhash out of it or so. I have switched out riser cables and I have plenty of power so I know they are not the factors causing the error. I have also tried plugging in monitors to the cards and that did not work either.
Does anyone know what could be going wrong/have any suggestions? I have tried everything I could think of and would be extremely grateful for any assistance. Is there anything I should change in the BIOS?
Thank you
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