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BF3 lags only with SLI

post #1 of 3
Thread Starter 
Hey guys, I have just had a BSOD, after which (when I had rebooted) my GTS 450's showed no option for SLI, although they had before. So I re-installed the drivers (285.62) and the SLI option reappeared again, and I enabled SLI with all of the Nvidia default settings. After this I launched BF3 to play a few games online, and saw in MSI afterburner that I was getting 8-10 fps in ULTRA at 1920x1080, whereas I have previously been getting ~50fps before the BSOD. I played around with the settings for a while and could achieve ~17fps at 640x480 res, with all of the lowest settings...

After a while I disabled SLI and launched BF3, expecting to have the same problem, just with half the fps. But to my surprise, everything ran normally at ~25fps on ULTRA with 1920x1080 res.

What is going on? The blue screen said something about PDE's, or PED's and some drivers, but I can't remember much other than that and that GPU 2's fan sped up to 100%.
Prior to this SLI worked fine in BF3, has anybody else had this problem, and does anybody know how to sort it out?
Thanks in advance, and well done if you read the whole post...
 
POS
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Dell Vostro 3300
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CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.8GHz 1.28v 24/7 MSI P67A-GD55 PowerColor Radeon 7870 PCS+ 1350/1550MHz 24/7 Crucial 12GB 8-8-8-22 
Hard DriveOptical DriveCoolingOS
WD Scorpio Black 2.5" RAID 0 (1000GB) LG DVD-RW DL Dwood Windows 7 Professional 64-Bit 
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Samsung S23A700D 120Hz Microsoft Sidewinder X4 OCZ ModXStreamPro 700 Watt Corsiar 400R 
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RAT 3 Wooden Desk On-board 7.1 Surround 
CPUMotherboardGraphicsRAM
Pentium 4 1.9Ghz Trigem Cupertino Geforce 2 MX400 @ 185MHZ 512MB DDR @ 133MHz 
Hard DriveOptical DriveOSMonitor
40Gb @ 17Mb/s 2x DVD Burner Windows XP Home Edition x86 16" CRT 
KeyboardPowerCaseMouse
OEM 300 Watt OEM OEM 
CPUMotherboardGraphicsRAM
520m 2.4GHz Dell 05JR09 310m (GT218m) 4Gb DDR3 
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500Gb Win7 Prof 64BIT 13.3" 90Watt Power adapter. 4 Cell Battery 
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POS
(13 items)
 
Dell Vostro 3300
(13 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.8GHz 1.28v 24/7 MSI P67A-GD55 PowerColor Radeon 7870 PCS+ 1350/1550MHz 24/7 Crucial 12GB 8-8-8-22 
Hard DriveOptical DriveCoolingOS
WD Scorpio Black 2.5" RAID 0 (1000GB) LG DVD-RW DL Dwood Windows 7 Professional 64-Bit 
MonitorKeyboardPowerCase
Samsung S23A700D 120Hz Microsoft Sidewinder X4 OCZ ModXStreamPro 700 Watt Corsiar 400R 
MouseMouse PadAudio
RAT 3 Wooden Desk On-board 7.1 Surround 
CPUMotherboardGraphicsRAM
Pentium 4 1.9Ghz Trigem Cupertino Geforce 2 MX400 @ 185MHZ 512MB DDR @ 133MHz 
Hard DriveOptical DriveOSMonitor
40Gb @ 17Mb/s 2x DVD Burner Windows XP Home Edition x86 16" CRT 
KeyboardPowerCaseMouse
OEM 300 Watt OEM OEM 
CPUMotherboardGraphicsRAM
520m 2.4GHz Dell 05JR09 310m (GT218m) 4Gb DDR3 
Hard DriveOSMonitorPower
500Gb Win7 Prof 64BIT 13.3" 90Watt Power adapter. 4 Cell Battery 
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post #2 of 3
I have been having a similar issue and it was res related. Make sure your desktop res game res and monitor res match. It has worked for several people
Chimera
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Chimera
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i5 2500k 4.8Ghz ASUS P8Z68-v PRO GEN3 Evga gtx 580 3gb Evga gtx 580 3gb 
RAMHard DriveCoolingOS
8Gb Veangence ocz agility 3 watercooled Windows 7 Ultimate 64bit 
MonitorKeyboardPowerCase
d3 - 23" acer led monitors Logitech G15 1050W modular custom built from scratch case 
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CM Inferno afterglow wireless 7.1 headphones w/ mic x-fi titanium soundcard 
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post #3 of 3
Thread Starter 
Thanks for the tip, I always game at my monitors native res of 1920x1080
 
POS
(13 items)
 
Dell Vostro 3300
(13 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.8GHz 1.28v 24/7 MSI P67A-GD55 PowerColor Radeon 7870 PCS+ 1350/1550MHz 24/7 Crucial 12GB 8-8-8-22 
Hard DriveOptical DriveCoolingOS
WD Scorpio Black 2.5" RAID 0 (1000GB) LG DVD-RW DL Dwood Windows 7 Professional 64-Bit 
MonitorKeyboardPowerCase
Samsung S23A700D 120Hz Microsoft Sidewinder X4 OCZ ModXStreamPro 700 Watt Corsiar 400R 
MouseMouse PadAudio
RAT 3 Wooden Desk On-board 7.1 Surround 
CPUMotherboardGraphicsRAM
Pentium 4 1.9Ghz Trigem Cupertino Geforce 2 MX400 @ 185MHZ 512MB DDR @ 133MHz 
Hard DriveOptical DriveOSMonitor
40Gb @ 17Mb/s 2x DVD Burner Windows XP Home Edition x86 16" CRT 
KeyboardPowerCaseMouse
OEM 300 Watt OEM OEM 
CPUMotherboardGraphicsRAM
520m 2.4GHz Dell 05JR09 310m (GT218m) 4Gb DDR3 
Hard DriveOSMonitorPower
500Gb Win7 Prof 64BIT 13.3" 90Watt Power adapter. 4 Cell Battery 
  hide details  
Reply
 
POS
(13 items)
 
Dell Vostro 3300
(13 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.8GHz 1.28v 24/7 MSI P67A-GD55 PowerColor Radeon 7870 PCS+ 1350/1550MHz 24/7 Crucial 12GB 8-8-8-22 
Hard DriveOptical DriveCoolingOS
WD Scorpio Black 2.5" RAID 0 (1000GB) LG DVD-RW DL Dwood Windows 7 Professional 64-Bit 
MonitorKeyboardPowerCase
Samsung S23A700D 120Hz Microsoft Sidewinder X4 OCZ ModXStreamPro 700 Watt Corsiar 400R 
MouseMouse PadAudio
RAT 3 Wooden Desk On-board 7.1 Surround 
CPUMotherboardGraphicsRAM
Pentium 4 1.9Ghz Trigem Cupertino Geforce 2 MX400 @ 185MHZ 512MB DDR @ 133MHz 
Hard DriveOptical DriveOSMonitor
40Gb @ 17Mb/s 2x DVD Burner Windows XP Home Edition x86 16" CRT 
KeyboardPowerCaseMouse
OEM 300 Watt OEM OEM 
CPUMotherboardGraphicsRAM
520m 2.4GHz Dell 05JR09 310m (GT218m) 4Gb DDR3 
Hard DriveOSMonitorPower
500Gb Win7 Prof 64BIT 13.3" 90Watt Power adapter. 4 Cell Battery 
  hide details  
Reply
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