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ATI and NV GPUs in same host
Claggy:
Frizz23,
Did you have a monitor plugged into both cards when you swapped the cards round?
Claggy
Frizz:
--- Quote from: Claggy on 08 Jul 2010, 05:47:29 pm ---Frizz23,
Did you have a monitor plugged into both cards when you swapped the cards round?
Claggy
--- End quote ---
No. Only to one card at a time.
When I had the combination GT240 16 lanes, 5770 4 lanes, running, I tried it with the monitor plugged into the 5770 - and only got a blank screen. The GT240 worked.
I don't think two monitors would make a difference.
Again: GT240 4 lanes, 5770 16 lanes worked. Even with no monitor attached at all.
Is there something like a primary and secondary PCIe slot ... and the 5770 needs to be in the primary? Or be the only card in the system? ... or something like?
I'm sort of stuck here :(
Claggy:
Frizz23,
Plug a Monitor into the HD5770!!!!,
Boinc isn't always able to see extra cards without Monitors (or dummy plugs) being used, so why would Catalyst be any different?
My system is Windows 7, 9800GTX+ in 1st PCIe slot, HD5770 in 2nd PCIe slot,
the initial time i installed Catalst (9.12 i think) it didn't work, but did when i connected a monitor (and rebooted),
then all i needed to do was extend the Desktop onto the HD5770, then i removed the monitor and haven't fitted it since,
since then i've been up and down Catalyst drivers, (and had the 9800GTX+ removed and refiited a number of times) with no problem with the HD5770 being detected,
Claggy
hellsheep:
At least that's one thing nvidia fixed in their newest driver release, no longer needing dummy plugs and monitors. :P
Gizbar:
Even though it's not quite the same, as I had a GTX260 and an 8800GTX in the same host, I never needed a dummy plug or a second monitor even with driver version 191.07, on Windows 7-64HP. All I did was install the card, and reboot the system. When it got into Windows, I configured the card to run my Physx stuff for games in the driver, and it happily started 2 Cuda WU's.
Luckily, the friend who gave me his old system to cannibalise doesn't know that his prized gaming card of the time has been relegated to being a Physx/Cuda card! :-[ He did buy an Asus Mars for his latest system though!
Giz.
P.S. I've now updated to 257.21, and to be honest, not noticed a great deal of difference...
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