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SLi-ing with 2x260s

post #1 of 4
Thread Starter 
So I finally got my hands on another GTX260 216SC as some of you may know from a previous card I've had but passed onto my brother and got the GTX465, now the question is, I've SLi'd these 2x260s together and attempted to overclock. (let's say for example of 725 core, a previous overclock on my Q6600 before artifacting) as soon as I pressed apply, I noticed on my G15 monitor it just went down from 200 or 300mhz of idle to 100, in some cases, it'd be 200 as well, I'm like, hm idk what's with the monitor but okay.

I run Crysis, getting ready for some awesome frame rates.
I get trolled the second I start it, lag everywhere, stuttering, Fraps on the top saying 9, 10, 15 fps. MASSIVE crapping on me.
Now here's where the fun starts.

I disable SLi and try out a single card, works fine.
I turn on SLi and try out on STOCK, works fine.

Now I don't get, why can't I overclock? I linked the 2 with the "Sync" button on Precision.

I'm gonna try a core of 700 on both cards synced and I'll post an update.
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2122 MK.II
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G75VW
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CPUMotherboardGraphicsGraphics
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GraphicsRAMHard DriveHard Drive
Asus ENGTX580 DirectCU II (RIP) 4x4GB DDR3 Kingston HyperX 1600 Mushkin Chronos 240GB Western Digital 1.5TB Green 
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Intel 320 Series 120GB SSD Seagate 3TB Barracuda Seagate 2TB Barracuda Seagate 2TB Barracuda 
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Seagate 2TB Barracuda Green Seagate 2TB Barracuda Green Seagate 2TB Barracuda Green Western Digital 1TB External 
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post #2 of 4
I believe your overclock is too high... it seems its causing your drivers to crash.. especially on a game like crysis.. 700 core is more than enough when you have 2 cards so just lower that OC and have fun
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post #3 of 4
Thread Starter 
Actually if you read (for example so and so, a previous overclock on my Q6600) meaning I've had the overclock down before and it worked back then, no artifacts.

I clocked up to 725 and slowly eventually 750, ran OC scanner on the Test button from Precision, no artifacts, 10 minutes.
Also, its exactly 700 right now, so why now?
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CPUMotherboardGraphicsGraphics
i7 2600k @ 4.4 GHz Asus P8P67 Asus ENGTX680 DirectCU II Asus ENGTX560Ti DirectCU II 
GraphicsRAMHard DriveHard Drive
Asus ENGTX580 DirectCU II (RIP) 4x4GB DDR3 Kingston HyperX 1600 Mushkin Chronos 240GB Western Digital 1.5TB Green 
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Intel 320 Series 120GB SSD Seagate 3TB Barracuda Seagate 2TB Barracuda Seagate 2TB Barracuda 
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Seagate 2TB Barracuda Green Seagate 2TB Barracuda Green Seagate 2TB Barracuda Green Western Digital 1TB External 
CoolingOSMonitorMonitor
Corsair H100 Windows 7 x64 Samsung SyncMaster SA700 Asus VE2471 
MonitorMonitorMonitorMonitor
Samsung SyncMaster SA300 Samsung SyncMaster 2233BW Acer X213W LG L194WTX 
KeyboardPowerCaseMouse
Razer BlackWidow Antec Truepower 750w Corsair 800D Logitech G700 
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Seagate Momentus 750GB - 5400 Windows Home Premium x64 Pretty sure it's a battery. What mouse pad? 
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2122 MK.II
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G75VW
(2 items)
 
 
CPUMotherboardGraphicsGraphics
i7 2600k @ 4.4 GHz Asus P8P67 Asus ENGTX680 DirectCU II Asus ENGTX560Ti DirectCU II 
GraphicsRAMHard DriveHard Drive
Asus ENGTX580 DirectCU II (RIP) 4x4GB DDR3 Kingston HyperX 1600 Mushkin Chronos 240GB Western Digital 1.5TB Green 
Hard DriveHard DriveHard DriveHard Drive
Intel 320 Series 120GB SSD Seagate 3TB Barracuda Seagate 2TB Barracuda Seagate 2TB Barracuda 
Hard DriveHard DriveHard DriveHard Drive
Seagate 2TB Barracuda Green Seagate 2TB Barracuda Green Seagate 2TB Barracuda Green Western Digital 1TB External 
CoolingOSMonitorMonitor
Corsair H100 Windows 7 x64 Samsung SyncMaster SA700 Asus VE2471 
MonitorMonitorMonitorMonitor
Samsung SyncMaster SA300 Samsung SyncMaster 2233BW Acer X213W LG L194WTX 
KeyboardPowerCaseMouse
Razer BlackWidow Antec Truepower 750w Corsair 800D Logitech G700 
Mouse PadAudioAudioAudio
Razer Sphex Corsair Vengeance 1500 Logitech G35 Logitech X-540 
CPUGraphics
i7 3630QM Asus GTX660M 2GB 
CPUMotherboardGraphicsRAM
i5-2410M 2.3~2.9 GHz Acer Nvidia GT540M 1GB Samsung 2x4GB 1333 
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Seagate Momentus 750GB - 5400 Windows Home Premium x64 Pretty sure it's a battery. What mouse pad? 
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post #4 of 4
If the cards are unstable they will clock down in to 2d clocks

Also are you sure it was fully stable?

try 680 or so, and work your way up
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