Beaflag VonRathburg
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May 23, 2013, 05:32:08 PM |
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I use x64 ultimate, 13.3, and it detected all seven of my 5870s right away.
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crazyates
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May 23, 2013, 07:21:18 PM |
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I use x64 ultimate, 13.3, and it detected all seven of my 5870s right away.
Think that would work with 79xx cards as well? For Litecoin?
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thedonvon
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May 23, 2013, 07:40:48 PM |
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I use x64 ultimate, 13.3, and it detected all seven of my 5870s right away.
I have 7950s and i could not get more than 4 to be recognized without errors with win7 x64.
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CartmanSPC
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May 23, 2013, 09:46:07 PM |
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Ok i have installed windows 8 and all the cards are recognized without any errors. Has any1 experienced problems with cgminer on win8? I cant get it to run with my config file. Very weird it keeps crashing and saying "cgminer has stopped working"
It is a stability issue with your config. I've had the same issue before. You have to go in and change some settings to make it stable again. It is different for every rig. I even tried running my config without any parameters and it didnt work. It will run if i remove the --scrypt. It is the --scrypt that is causing the problem. Not sure how to fix this?? I had the same issue with --scrypt. Almost gave up trying to figure it out but persevered! The problem (for me) is 13.4 drivers. Uninstalling 13.4 and installing 13.1 did not work. Had to do another clean install of W8 and then install 13.1. I use SSD's so that takes about 5 minutes for me Good luck!
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CartmanSPC
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May 23, 2013, 09:46:44 PM |
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BTW, I use W8 x64.
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boozer (OP)
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May 24, 2013, 03:47:20 AM |
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Just as and FYI for anyone that is curious... I use Debian 6 x64 and can get 7 x 7950 working on it just fine without jumpers.
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jaywaka2713
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aka 7Strykes
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May 24, 2013, 03:25:10 PM |
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I use x64 ultimate, 13.3, and it detected all seven of my 5870s right away.
I have 7950s and i could not get more than 4 to be recognized without errors with win7 x64. Try running 11.12 or 12.8. Those have been reported to work fine.
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ssateneth
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May 30, 2013, 08:56:31 PM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
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YipYip
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June 01, 2013, 04:51:00 AM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
Thanks for the final details dude In my current setups in relation to heat and other factors 5 x 7xxx seem to be an ok template for me at the moment I am commissioning another site and will look at 6 card rigs... Dont the 7950's and 7970's have troubles using the old drivers when trying to use conncurrecy above 8192 i.e 7950 21712 ltc mining concurency setups
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OBJECT NOT FOUND
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jaywaka2713
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aka 7Strykes
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June 01, 2013, 05:02:08 AM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
Thanks for the final details dude In my current setups in relation to heat and other factors 5 x 7xxx seem to be an ok template for me at the moment I am commissioning another site and will look at 6 card rigs... Dont the 7950's and 7970's have troubles using the old drivers when trying to use conncurrecy above 8192 i.e 7950 21712 ltc mining concurency setups Stick to 8192 concurrency. Very few people have been lucky enough to find a number higher that ACTUALLY works as a stable variable. You may have a chance, but get ready for many system crashes, reboots, or freezes. Shouldn't do damage testing though. Values above 8192 really go wild with every single person from what I've seen.
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YipYip
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June 01, 2013, 05:33:12 AM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
Thanks for the final details dude In my current setups in relation to heat and other factors 5 x 7xxx seem to be an ok template for me at the moment I am commissioning another site and will look at 6 card rigs... Dont the 7950's and 7970's have troubles using the old drivers when trying to use conncurrecy above 8192 i.e 7950 21712 ltc mining concurency setups Stick to 8192 concurrency. Very few people have been lucky enough to find a number higher that ACTUALLY works as a stable variable. You may have a chance, but get ready for many system crashes, reboots, or freezes. Shouldn't do damage testing though. Values above 8192 really go wild with every single person from what I've seen. I have 12 rigs (4 +5 cards per rig) 7950 sapphire vapor-x running 21712 concurrency with 13.1 drivers .. they have been solid for 6-7 weeks Had about 1-2 freezes per rig in that period which is normal ..having said that I am using what I feel to be the best equipment out there
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OBJECT NOT FOUND
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jaywaka2713
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Merit: 250
aka 7Strykes
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June 01, 2013, 05:37:59 AM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
Thanks for the final details dude In my current setups in relation to heat and other factors 5 x 7xxx seem to be an ok template for me at the moment I am commissioning another site and will look at 6 card rigs... Dont the 7950's and 7970's have troubles using the old drivers when trying to use conncurrecy above 8192 i.e 7950 21712 ltc mining concurency setups Stick to 8192 concurrency. Very few people have been lucky enough to find a number higher that ACTUALLY works as a stable variable. You may have a chance, but get ready for many system crashes, reboots, or freezes. Shouldn't do damage testing though. Values above 8192 really go wild with every single person from what I've seen. I have 12 rigs (4 +5 cards per rig) 7950 sapphire vapor-x running 21712 concurrency with 13.1 drivers .. they have been solid for 6-7 weeks Had about 1-2 freezes per rig in that period which is normal ..having said that I am using what I feel to be the best equipment out there Wow you must have the magic touch man. Everyone I've talked to who runs similar rigs can't get that but they attempt to run it using 6 cards. Not 5. What mobo do you use? Might be the solution. Also, I assume you run Windows? Hopefully not.
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Beaflag VonRathburg
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June 01, 2013, 05:38:56 AM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
Thanks for the final details dude In my current setups in relation to heat and other factors 5 x 7xxx seem to be an ok template for me at the moment I am commissioning another site and will look at 6 card rigs... Dont the 7950's and 7970's have troubles using the old drivers when trying to use conncurrecy above 8192 i.e 7950 21712 ltc mining concurency setups Stick to 8192 concurrency. Very few people have been lucky enough to find a number higher that ACTUALLY works as a stable variable. You may have a chance, but get ready for many system crashes, reboots, or freezes. Shouldn't do damage testing though. Values above 8192 really go wild with every single person from what I've seen. You haven't looked very hard or tested a lot of setups then. All of my 7970s run better at 10240 TC than 8192. This is 10240: https://i.imgur.com/YdGz7ie.pngVoltage is at 1.063 , cgminer doesn't report it correctly. That number worked better than anything for me, on three different brands of 7970s, across three different rigs. Litecoin settings are a weird sort of black magic so it is a bad idea to make generalizations.
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jaywaka2713
Sr. Member
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Activity: 266
Merit: 250
aka 7Strykes
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June 01, 2013, 05:42:01 AM |
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5k and likely 6k series cards detect fine up to 8 cards with, I'm assuming, all driver revisions. It's the 7k series that has problems. Reportedly you -can- do 8 7k series GPUs but only with the 7990's. You can run up to 4 GPU on win7 with driver 12.8 or higher, 5 GPU on win7 with driver 12.6 or lower OR win8 with 12.8 or higher, and 6 GPU on win8 with driver 12.6 or lower (requires special installation steps)
Thanks for the final details dude In my current setups in relation to heat and other factors 5 x 7xxx seem to be an ok template for me at the moment I am commissioning another site and will look at 6 card rigs... Dont the 7950's and 7970's have troubles using the old drivers when trying to use conncurrecy above 8192 i.e 7950 21712 ltc mining concurency setups Stick to 8192 concurrency. Very few people have been lucky enough to find a number higher that ACTUALLY works as a stable variable. You may have a chance, but get ready for many system crashes, reboots, or freezes. Shouldn't do damage testing though. Values above 8192 really go wild with every single person from what I've seen. You haven't looked very hard or tested a lot of setups then. All of my 7970s run better at 10240 TC than 8192. This is 10240: https://i.imgur.com/YdGz7ie.pngVoltage is at 1.063 , cgminer doesn't report it correctly. That number worked better than anything for me, on three different brands of 7970s, across three different rigs. Litecoin settings are a weird sort of black magic so it is a bad idea to make generalizations. Have you attempted 21712 TC?
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Beaflag VonRathburg
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June 01, 2013, 05:49:48 AM |
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21712 at I20 / same settings got 590 KH/s 24000 at I20 / same settings got 675 KH/s
I20 made the desktop almost unusable though. The 10240 settings at I13 produce no lag or delays.
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jaywaka2713
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aka 7Strykes
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June 01, 2013, 05:52:21 AM |
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The 10240 settings at I13 produce no lag or delays.
What is your hashrate with these settings?
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Sidorovich
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June 05, 2013, 05:26:35 PM |
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I have a Z77A-GD55 and I can't figure out how to get 4 7970s to work on it. I was able to get 3 working without any problems. Does anyone else have this board?
I am downloading windows 8 right now and will try that, but after reading through this thread, It seems like I shouldn't need to switch from 7 to 8 with only 4 cards.
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jaywaka2713
Sr. Member
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aka 7Strykes
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June 05, 2013, 05:40:55 PM |
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I have a Z77A-GD55 and I can't figure out how to get 4 7970s to work on it. I was able to get 3 working without any problems. Does anyone else have this board?
I am downloading windows 8 right now and will try that, but after reading through this thread, It seems like I shouldn't need to switch from 7 to 8 with only 4 cards.
What graphics driver version are you running? What slots are you using, and are you using powered risers on the x1 slots?
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Sidorovich
Newbie
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June 05, 2013, 05:58:55 PM |
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I have a Z77A-GD55 and I can't figure out how to get 4 7970s to work on it. I was able to get 3 working without any problems. Does anyone else have this board?
I am downloading windows 8 right now and will try that, but after reading through this thread, It seems like I shouldn't need to switch from 7 to 8 with only 4 cards.
What graphics driver version are you running? What slots are you using, and are you using powered risers on the x1 slots? I'm using 1x powered risers for all of the cards. I tried every slot combination I could, and I was using the latest driver. Right now I'm downloading the beta driver and will see if that works.
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jaywaka2713
Sr. Member
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Activity: 266
Merit: 250
aka 7Strykes
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June 05, 2013, 06:04:44 PM |
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I have a Z77A-GD55 and I can't figure out how to get 4 7970s to work on it. I was able to get 3 working without any problems. Does anyone else have this board?
I am downloading windows 8 right now and will try that, but after reading through this thread, It seems like I shouldn't need to switch from 7 to 8 with only 4 cards.
What graphics driver version are you running? What slots are you using, and are you using powered risers on the x1 slots? I'm using 1x powered risers for all of the cards. I tried every slot combination I could, and I was using the latest driver. Right now I'm downloading the beta driver and will see if that works. Don't use the Beta driver. Stop it and use 12.8. And are you using the x16 slots or just x1 slots? Post your mobo configuration.
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