Chick (OP)
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Activity: 70
Merit: 10
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July 30, 2011, 04:47:28 AM |
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Windows only detects 4, is this the maximum? I was unable to find any helpful information on the forums.
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mike678
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July 30, 2011, 02:46:33 PM |
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The max on windows should be 8 try updating your catalyst drivers.
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Xephan
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Activity: 42
Merit: 0
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July 30, 2011, 03:10:51 PM |
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Windows only detects 4, is this the maximum? I was unable to find any helpful information on the forums.
You'll need to use Catalyst 11.6B or newer drivers to see up to 8 GPU. Due to this, the limit's seems to be in the drivers, not Windows itself. |
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Forp
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August 07, 2011, 01:16:35 PM |
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I can confirm this.
I am running Windows 7 enterprise with 3x 6990 cards, which is 6x GPUs, using the 11.8 preview driver. The rig does some 1600 MHash/s which I currently split between solo and pool.
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Swishercutter
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August 13, 2011, 04:21:59 AM |
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I am mining with 5 per machine using 11.7 drivers with win7.
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Bananington
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August 18, 2011, 11:45:36 PM |
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3x 6990 cards, which is 6x GPUs, using the 11.8 preview driver. The rig does some 1600 MHash/s
Not trying to be a prick but that seems awfully low for 3 6990s. That's what I thought. I'm curious about that. Shouldn't it be in the 3ghash/s range? |
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mike678
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August 18, 2011, 11:46:49 PM |
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I'm assuming its a typo 2600 makes a bit more sense then 1600. That's 433 per core.
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SlaveInDebt
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August 19, 2011, 07:48:51 AM
Last edit: August 19, 2011, 08:27:20 AM by SlaveInDebt |
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Anyone have a screen shot to confirm more than 4 can run under Win7 and hash?
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"A banker is a fellow who lends you his umbrella when the sun is shining, but wants it back the minute it begins to rain." - Mark Twain
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mike678
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August 19, 2011, 01:50:41 PM |
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I'm at work but I have a rig on win7 32 bit with 5 5850's. It gets around 1950 megahash.
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SlaveInDebt
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August 19, 2011, 02:48:44 PM |
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I'm at work but I have a rig on win7 32 bit with 5 5850's. It gets around 1950 megahash.
That sounds right on the money, thank you for confirming. Guy with 3x6990's numbers had me questioning this. Now time to order up some risers got 7 pcie's waiting to be tapped  |
"A banker is a fellow who lends you his umbrella when the sun is shining, but wants it back the minute it begins to rain." - Mark Twain
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mike678
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August 19, 2011, 03:18:35 PM |
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I'm at work but I have a rig on win7 32 bit with 5 5850's. It gets around 1950 megahash.
That sounds right on the money, thank you for confirming. Guy with 3x6990's numbers had me questioning this. Now time to order up some risers got 7 pcie's waiting to be tapped Just a heads up. Some motherboards have 6+ pcie slots but don't allow you to use them all. What board do you have? Also I'm pretty sure the limit is 8 gpu's not 8 physical graphics cards so you couldn't run 7 6990's on one mobo as they have dual gpu's. |
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SlaveInDebt
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August 19, 2011, 03:55:47 PM |
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I'm at work but I have a rig on win7 32 bit with 5 5850's. It gets around 1950 megahash.
That sounds right on the money, thank you for confirming. Guy with 3x6990's numbers had me questioning this. Now time to order up some risers got 7 pcie's waiting to be tapped Just a heads up. Some motherboards have 6+ pcie slots but don't allow you to use them all. What board do you have? Also I'm pretty sure the limit is 8 gpu's not 8 physical graphics cards so you couldn't run 7 6990's on one mobo as they have dual gpu's. 7 MSI GD70's, just going to run 5 on each, psu limited beyond that. I understand it's 8 gpu cores limited. |
"A banker is a fellow who lends you his umbrella when the sun is shining, but wants it back the minute it begins to rain." - Mark Twain
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mike678
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August 19, 2011, 04:14:09 PM |
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7 MSI GD70's, just going to run 5 on each, psu limited beyond that. I understand it's 8 gpu cores limited.
It's a good board I own two. Yea after you reach 5-6 cards your reaching the top end of psu's. If you add any more your going to need dual psu's. |
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Departure
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September 09, 2011, 07:27:13 AM |
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I also have 3 X 6990's with clocks set at 900/840(OC switch in default position) I get between 400mh/s - 405mh/s per GPU which is around 2400 mh/s, I would turn the OC switch on and crank the core up but I have cooling problems so I stick with 900/840 settings...
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