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Gray screen, but no one dies.

post #1 of 4
Thread Starter 
Hey sorry to literally just join because i can't resolve an issue but i've done an exhaustive search for a solution to this problem, but most of the threads about it are over a year old and i don't wanna dig up an old post so i figured i'd ask here.

Basically i'm using a sapphire hd 5670 512. Works really well - just about to cf it with another I have, so i figured i'd do in with a whole lot of hassle and just vbios mod flash them into a solid OC, because i've heard getting them to play nice in CF when OC'd by software can be pretty taxing.

Before I OC'd, Catalyst Autotune recommended 890/1080 after 15 minutes (when i got impatient and quit) but i didn't want to push it because i'm not a huge fan of artifacts.

So nothing fancy, just 850/1050, easily capable for the oversized arctic cooler. For reference, the stock timings are 775/950. Temps not a problem at all, haven't seen it ever go above low 50's, idles at ~30.

10 minutes into 3d mark 06 it goes the first time. I figure maybe it was an oversight on my part, so i do some driver repair and reflash stock bios then increase clocks with afterburner. 10 minutes of cod4 and it locks up. Audio is still playing smoothly but screen is gray vertical bars.

I've read up a bit before coming here, so please don't ask me to check if my computer is plugged in! I just bought a brand new CPU, and i've read that increasing the voltage on that might help, but i'm afraid that is not something i'm prepared to do.

Can anyone give me any advice on where to go from here? running stock at the moment, but crossfire is going to get pretty old pretty fast if i can't even OC my way past a 5770.

Thanks for the help.
Edited by JunoNH - 7/27/11 at 11:29am
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post #2 of 4
Thread Starter 
This might help...

http://img88.imageshack.us/img88/962...infosystem.jpg
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post #3 of 4
Thread Starter 


Well I found out something mildly upsetting. Sapphire isn't a big fan of cooling memory, so i had to drop an old fan onto a heatsink and place it under the gpu, facing the cooler. Managed to bench 850/1050 on 3dmark for 12674 (with some vertical tearing, and a couple missing frames), the mark ran with no issue's at 850/1000 - for a drop of ~50 marks.

in CF I ran a pci slot fan (don't ask me why i have one) under the top card and the 80mm on a low profile heatsink. electrical taped to the case. but couldn't get solid clocks going on both.

I'm going attaching low profile heatsinks to the exposed memory modules tomorrow and move my antec spot fan between the case-intake and the cards. I'll re-paste everything too just for fun.
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post #4 of 4
Thread Starter 
Just incase anyone is still reading this...

http://img820.imageshack.us/img820/2777/5670saph.jpg

single card only but pretty stable aslong as fan is on full.
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Optical DriveCoolingOSMonitor
Pioneer BD-ROM Noctua NH-D14 Win 7 HP 64bit Asus 23.6" Widescreen VH242H HD-LCD 
KeyboardPowerCaseMouse
CM Storm Quickfire Ultimate Keyboard - Brown Sw... Corsair RM1000X Antec 1200 Gigabyte GM-M6880 
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Bird-of-Prey
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Hard DriveHard DriveHard DriveHard Drive
Crucial M500 240GB Crucial M4 64GB Crucial M4 256GB Crucial MX100 512GB 
Optical DriveCoolingOSMonitor
Pioneer BD-ROM Noctua NH-D14 Win 7 HP 64bit Asus 23.6" Widescreen VH242H HD-LCD 
KeyboardPowerCaseMouse
CM Storm Quickfire Ultimate Keyboard - Brown Sw... Corsair RM1000X Antec 1200 Gigabyte GM-M6880 
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