mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 29, 2011, 02:08:29 PM |
|
I'm trying to run both cards on the same machine. Both cards run under XP independently but when both are in the system, it only sees the 6950. Is it possible to get these two to play together nicely where they both show up?
|
|
|
|
freynder
Member
Offline
Activity: 68
Merit: 10
|
|
July 29, 2011, 02:20:32 PM |
|
I'm trying to run both cards on the same machine. Both cards run under XP independently but when both are in the system, it only sees the 6950. Is it possible to get these two to play together nicely where they both show up?
I'm running different models (6870 and 5870) on the same MB in Ubuntu without any issues. Not sure about Windows.
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 29, 2011, 02:38:02 PM |
|
Is there a trick in terms of the order they need to be installed, driver installed, etc... It seems to me that the drivers are conflicting with the 6950 being dominate. Anyone else have success with two different models of ATI working together with catalyst 11.7? I am running Windows XP.
|
|
|
|
deepDown
Newbie
Offline
Activity: 25
Merit: 0
|
|
July 29, 2011, 02:39:20 PM |
|
I'm trying to run both cards on the same machine. Both cards run under XP independently but when both are in the system, it only sees the 6950. Is it possible to get these two to play together nicely where they both show up?
They definitely should work together. I believe that the problem is that windows will put the secondary card to sleep if it is not: a) crossfired with the primary card b) connected to a monitor c) tricked to believe that it is connected to a monitor with a dummy plug Take a look at: http://forum.bitcoin.org/index.php?topic=27929.0Also you can try using Linux for mining there you wouldn't need dummy plugs - I strongly recommend it There is even a linux built specifically for mining LinuxCoin - http://forum.bitcoin.org/index.php?topic=29021.0cheers
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 29, 2011, 02:45:27 PM |
|
b) connected to a monitor c) tricked to believe that it is connected to a monitor with a dummy plug I'll have to give that a try. Its currently a headless system so that could very well be the problem. Thanks for the idea's deepDown!
|
|
|
|
deepDown
Newbie
Offline
Activity: 25
Merit: 0
|
|
July 29, 2011, 02:50:40 PM |
|
you are welcome! Just to make it clear, as you quoting only b) and c) makes me think I wasnt, it is a) or b) or c). So if they are already crossfired they should be recognized and active in Windows. Though, if it is the case that they can not be crossfired together because of different architecture - than you can try b) and c) E.g. my 6950 and 5870 do not like each other so crossfire-ing is not an option.
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 29, 2011, 10:12:15 PM |
|
Tried the dummy DVI and no go.
I think this is more motherboard than OS. I'm working with an older Socket 939 EVGA 133-k8-nf41-ax. It has 3 PCI-e lanes, the two on the end are x8 with the one in the middle x16.
Think this could be the issue?
|
|
|
|
jh1523
Newbie
Offline
Activity: 56
Merit: 0
|
|
July 29, 2011, 10:19:05 PM |
|
Don't think this is the problem.
You mentioned it's a headless system. Do you have dummy plugs on both cards? In windows each card that's not connected to a monitor needs one. Can you confirm they work if each is connected to a monitor? If so, that's the problem right there.
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 29, 2011, 10:36:53 PM |
|
It was headless, I've since connected a monitor to the 6950 and a dummy DVI to 6770. I've swapped configurations and regardless of position in the PCIe slots the 6950 is the only one visible by the BIOS or Windows. If I connect the monitor to the 6770, the dummy on the 6950 the BIOS does not see it and the monitor fails to activate. Still, when only one card is used, it works. I am at a complete loss.
|
|
|
|
|
acebmxer
Newbie
Offline
Activity: 24
Merit: 0
|
|
July 29, 2011, 11:43:10 PM |
|
Have you tried to
1. Uninstall all ATI drivers. 2. Download and install Driver Sweeper. (If you dont have it already) 3. reboot into safe mode. 4. Run Driver sweeper and remove all ATI drivers again. 5. Reboot into windows. 6. Install ATI drivers. 7. Reboot when installer tells you to.
See if that works. Thats what I had to do when I added my 5830 to my 5850.
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 30, 2011, 01:12:49 AM |
|
Have you tried to
1. Uninstall all ATI drivers. 2. Download and install Driver Sweeper. (If you dont have it already) 3. reboot into safe mode. 4. Run Driver sweeper and remove all ATI drivers again. 5. Reboot into windows. 6. Install ATI drivers. 7. Reboot when installer tells you to. Should I do this with both cards installed or one at a time?
|
|
|
|
acebmxer
Newbie
Offline
Activity: 24
Merit: 0
|
|
July 30, 2011, 01:35:13 AM |
|
Have you tried to
1. Uninstall all ATI drivers. 2. Download and install Driver Sweeper. (If you dont have it already) 3. reboot into safe mode. 4. Run Driver sweeper and remove all ATI drivers again. 5. Reboot into windows. 6. Install ATI drivers. 7. Reboot when installer tells you to. Should I do this with both cards installed or one at a time? Yes you can do this with both cards installed.
|
|
|
|
MrWizard
|
|
July 30, 2011, 01:55:45 AM |
|
Have you tried to
1. Uninstall all ATI drivers. 2. Download and install Driver Sweeper. (If you dont have it already) 3. reboot into safe mode. 4. Run Driver sweeper and remove all ATI drivers again. 5. Reboot into windows. 6. Install ATI drivers. 7. Reboot when installer tells you to. Should I do this with both cards installed or one at a time? Yes you can do this with both cards installed. Don't you get it yet? It's not a Windows problem it's a BIOS problem. If you can only see one card at a time in BIOS, there's _nothing_ you can do in Windows to solve your problem. Look in your BIOS for the answer.
|
"I walked into the room dripping in Bitcoins. Yea dripping in Bitcoins." (BTC) 168DCCeGmDy3xTWRimLVhvKtK3yEWbpsSg (LTC) LbYS8VFqFSU7B9bfaHD11seQMtrtYEKpLe (BBQ) bNVZErvwLzpEG7H3kt1fycWspzRQB1MJzL
|
|
|
acebmxer
Newbie
Offline
Activity: 24
Merit: 0
|
|
July 30, 2011, 02:38:40 AM |
|
Don't you get it yet? It's not a Windows problem it's a BIOS problem. If you can only see one card at a time in BIOS, there's _nothing_ you can do in Windows to solve your problem. Look in your BIOS for the answer.
What is there to get? How do you know for sure its a bios problem? I am not say the OP has a bios problem. I am only familiar with gigabyte bios's. I have a EP45-udp3p rev. 1.1 and a x58A-ud5. I have not had to change any setting in the bios to get 2 cards to work. Maybe the op should say what motherboard he has. This still could very well be a windows problem and not a bios problem.
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 30, 2011, 04:09:24 AM |
|
Don't you get it yet? It's not a Windows problem it's a BIOS problem. If you can only see one card at a time in BIOS, there's _nothing_ you can do in Windows to solve your problem. Look in your BIOS for the answer.
What is there to get? How do you know for sure its a bios problem? I am not say the OP has a bios problem. I am only familiar with gigabyte bios's. I have a EP45-udp3p rev. 1.1 and a x58A-ud5. I have not had to change any setting in the bios to get 2 cards to work. Maybe the op should say what motherboard he has. This still could very well be a windows problem and not a bios problem. Thanks guys, I really do appreciate all the help. I'm leaning towards it being a BIOS/MB issure. Its highly suspect that I could not get the card realized on boot by the BIOS. I dont see anything that stands-out in the BIOS that may alter how it sees the cards. I'm looking for a bios update and not terribly excited about a floppy based solution. Here's an older/archived thread with mention of the MB and a potential bios update http://www.evga.com/forumsarchive/tm.asp?m=748392&mpage=1&key=򶭨And... the PDF of the manual http://www.evga.com/support/manuals/files/133-k8-nf41.pdf
|
|
|
|
Supercrit
Newbie
Offline
Activity: 41
Merit: 0
|
|
July 30, 2011, 06:49:40 AM |
|
I confirm that a 5770(same as 6770) and a 6950 unlocked work together both doing combined 560~570mh/s bit lower than expected probably due to the 650w PSU 5770 alone does 200 and 6950 alone does near 400
|
|
|
|
jh1523
Newbie
Offline
Activity: 56
Merit: 0
|
|
July 30, 2011, 10:38:47 AM |
|
Don't you get it yet? It's not a Windows problem it's a BIOS problem. If you can only see one card at a time in BIOS, there's _nothing_ you can do in Windows to solve your problem. Look in your BIOS for the answer.
What is there to get? How do you know for sure its a bios problem? I am not say the OP has a bios problem. I am only familiar with gigabyte bios's. I have a EP45-udp3p rev. 1.1 and a x58A-ud5. I have not had to change any setting in the bios to get 2 cards to work. Maybe the op should say what motherboard he has. This still could very well be a windows problem and not a bios problem. Thanks guys, I really do appreciate all the help. I'm leaning towards it being a BIOS/MB issure. Its highly suspect that I could not get the card realized on boot by the BIOS. I dont see anything that stands-out in the BIOS that may alter how it sees the cards. I'm looking for a bios update and not terribly excited about a floppy based solution. Here's an older/archived thread with mention of the MB and a potential bios update http://www.evga.com/forumsarchive/tm.asp?m=748392&mpage=1&key=򶭨And... the PDF of the manual http://www.evga.com/support/manuals/files/133-k8-nf41.pdfThat manual has precious little information. The BIOS isn't documented - they say there's a separate PDF for that but I can't find it on EVGA's site. If it comes to BIOS flashing don't worry about floppies. USB sticks can be made to boot DOS and flashing can be done from there. http://www.bootdisk.com/pendrive.htmI also use a nforce4-based motherboard for a miner (Asus A8N-SLI premium) and it has a few things that need to be done before it will work with 2 video cards at once. Firstly it has a power connector on the motherboard that needs to have a 4-pin molex plugged in from the power supply (connector like for a hard drive), and secondly there is a setting in BIOS to select between single and dual video card. Also from your manual it looks like in dual card mode you have to attach the monitor cable to the one that sits in the lower slot (last one before the PCI slots) - are you doing that?
|
|
|
|
mmartoccia (OP)
Newbie
Offline
Activity: 47
Merit: 0
|
|
July 30, 2011, 03:11:16 PM |
|
Don't you get it yet? It's not a Windows problem it's a BIOS problem. If you can only see one card at a time in BIOS, there's _nothing_ you can do in Windows to solve your problem. Look in your BIOS for the answer.
What is there to get? How do you know for sure its a bios problem? I am not say the OP has a bios problem. I am only familiar with gigabyte bios's. I have a EP45-udp3p rev. 1.1 and a x58A-ud5. I have not had to change any setting in the bios to get 2 cards to work. Maybe the op should say what motherboard he has. This still could very well be a windows problem and not a bios problem. Thanks guys, I really do appreciate all the help. I'm leaning towards it being a BIOS/MB issure. Its highly suspect that I could not get the card realized on boot by the BIOS. I dont see anything that stands-out in the BIOS that may alter how it sees the cards. I'm looking for a bios update and not terribly excited about a floppy based solution. Here's an older/archived thread with mention of the MB and a potential bios update http://www.evga.com/forumsarchive/tm.asp?m=748392&mpage=1&key=򶭨And... the PDF of the manual http://www.evga.com/support/manuals/files/133-k8-nf41.pdfThat manual has precious little information. The BIOS isn't documented - they say there's a separate PDF for that but I can't find it on EVGA's site. If it comes to BIOS flashing don't worry about floppies. USB sticks can be made to boot DOS and flashing can be done from there. http://www.bootdisk.com/pendrive.htmI also use a nforce4-based motherboard for a miner (Asus A8N-SLI premium) and it has a few things that need to be done before it will work with 2 video cards at once. Firstly it has a power connector on the motherboard that needs to have a 4-pin molex plugged in from the power supply (connector like for a hard drive), and secondly there is a setting in BIOS to select between single and dual video card. Also from your manual it looks like in dual card mode you have to attach the monitor cable to the one that sits in the lower slot (last one before the PCI slots) - are you doing that? Awesome! Thank you so much for digging in Yeah, the bios has very little features in support of multiple cards. I was able to bring the BIOS to current which did add a couple new features. However, the only thing it added WRT PCIE was Width (selection of X8 or X16). Nothing to the point of 1 or 2 video cards. Great find on the 4-pin molex! I did not have this plugged-in. Even so, it has not changed any recognition of the second card. I have the cards in the following slots: Slot 1: 6770 w/ Dummy DVI (I'm using 68ohm resistors as that's what I've read on many sites but I think spec calls for 75ohm) Slot 3: 6950 w/ Monitor When IRQ's are allocated by the BIOS on boot, should I see two displays? I only see the one. Any additional insights/help would be greatly appreciated!
|
|
|
|
jh1523
Newbie
Offline
Activity: 56
Merit: 0
|
|
July 30, 2011, 03:22:10 PM |
|
Hmm I'm kinda out of ideas. The miner I was talking about is in a basement 2 zipcodes away from here, so I don't have easy access to its BIOS screens. Try setting the PCI-E width to x8 (as it's supposed to be in dual-card mode) and see if that makes a difference. Dunno about IRQs, let me see if I can remotely dig into /proc and find out. (edit) cat /proc/interrupts 0: 44 0 IO-APIC-edge timer 1: 0 8 IO-APIC-edge i8042 4: 0 1 IO-APIC-edge 6: 0 5 IO-APIC-edge floppy 7: 1 0 IO-APIC-edge parport0 8: 0 0 IO-APIC-edge rtc0 9: 0 0 IO-APIC-fasteoi acpi 10: 0 0 IO-APIC-edge MPU401 UART 14: 5 1837 IO-APIC-edge pata_amd 15: 41944 4686121 IO-APIC-edge pata_amd 16: 2 4954 IO-APIC-fasteoi firewire_ohci, HDA Intel 17: 518 729929 IO-APIC-fasteoi skge@pci:0000:05:0c.0 19: 0 27 IO-APIC-fasteoi HDA Intel 20: 0 0 IO-APIC-fasteoi sata_nv 21: 0 0 IO-APIC-fasteoi sata_nv 22: 16499 1593063 IO-APIC-fasteoi ehci_hcd:usb1, NVidia CK804 23: 1 1077 IO-APIC-fasteoi ohci_hcd:usb2 28: 5941 14654466 PCI-MSI-edge fglrx[1]@PCI:1:0:0 29: 6243 17925167 PCI-MSI-edge fglrx[0]@PCI:2:0:0 NMI: 0 0 Non-maskable interrupts LOC: 6412059 6526522 Local timer interrupts SPU: 0 0 Spurious interrupts PMI: 0 0 Performance monitoring interrupts PND: 0 0 Performance pending work RES: 6721607 5782834 Rescheduling interrupts CAL: 147 102 Function call interrupts TLB: 227829 317605 TLB shootdowns TRM: 0 0 Thermal event interrupts THR: 0 0 Threshold APIC interrupts MCE: 0 0 Machine check exceptions MCP: 1051 1051 Machine check polls ERR: 1 MIS: 0
Yes, it looks like each card gets its own interrupt (28 and 29 in the listing above) 68ohm resistors are fine for dummy plugs, but that has nothing to do with the BIOS - it doesn't care if you have monitors attached at all IIRC.
|
|
|
|
|