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GTX 580 OC - Page 2

post #11 of 13
Yes, that is a full cover block so indeed you can still crank the voltages a bit ( my advice would be to stay under 1.175v for 24/7).

That's a nice radiator you got there thumb.gif, I still think your gpu temperature should be lower (what's your ambient temperature, and what pump are you using) I'm thinking this because i run a standard 480mm rad with push/pull and i get ~32C idle to ~49C full load with the settings I've mentioned in the above post. I'm also getting a EK-FC580 waterblock this week and another 360mm radiator for a second GTX 580 that I want to add.

PS: Maybe try a remount on the gpu?

LE: For 1.218v bios limit you can save your current bios on your pc using GPU-Z then edit it with NiBiTor or Fermi editor (can't remember exactly which one i used, but i think both support this). then flash it on your gpu using NVflash.

Useful links:

NiBitor (Nvidia Bios Editor): http://www.softpedia.com/progDownload/NVIDIA-BIOS-Editor-Download-4977.html

Fermi Bios Editor (editor + tutorial): http://www.overclock.net/t/989627/fermi-bios-editor-gtx-4-5-series

NVFlash: http://www.guru3d.com/files_details/nvflash_download.html

Related topic here on OCN: http://www.overclock.net/t/1298316/max-safe-voltage-for-gtx580-bios-mod
Edited by Zamoldac - 11/26/13 at 6:22am
post #12 of 13
Thread Starter 
Thank you very much for those links. I'll have a look at it.

I'm not really motivated to remount the cooler on the gpu to be honest. it's such a hassle and I just don't like working on such things rolleyes.gif

but I just got another thought, maybe the temps are a result of how my cycle is set up:

pump -> radiator -> cpu -> mb -> gpu -> agb -> pump..

So that means the gpu is actually the last thing cooled, and the water already warmed up on the cpu and mb. and i don't know if it's because the cpu is principally cooler than a gpu, but my cpu temps are 25° idle, 33° full load. Which might make sense because it's the first thing in my cycle after the water has been cooled down by the rad.

Would you suggest to change that order? however I did it this way because I always thought that GPU's are built for higher temps than CPU's, so better have a few degress more on the gpu than the cpu. What do you think, what's the setup of your cycle?

also btw, my pump is a Laing DDC 1T. on desktop it runs with 70% power, I only turn it up to 100 when gaming. But the gpu temp difference between those is only 2 degress (43° at 70%, 45° at 100%)

And another thing which just really surprised me: on desktop, my 5 rad fans only run at 60% (the temps I just stated are on this setup). When gaming I crank those up to 100% as well. However I just noticed the gpu temp just decreased a single degree after about 5 minutes. I'd have thought that would make a larger difference, after all the rad is where the water gets cooled down Oo

What's your thoughts on this?

edit: whoops, just checked again the temps, and now it actually dropped to 40-41° idle. Guess it just takes a while before the additional cooling takes an effect on the cycle. okay so right now I got 40° idle on full pump and fan power.
Edited by hoodiOC - 11/26/13 at 9:49pm
post #13 of 13
Wouldn't hurt to put a Rad before the GPU, but 60C for 950 ain't bad. Sure it should be in the 50's for a WC card, but i wouldn't worry about it till you get 70+ with WC. smile.gif


Also, is yours a SC GTX 580? I have a SC and have been able to do 1,000Mhz+ at 1.175-1.212V on AIR. I am still rocking ~975 on 1.212 after 16 months of Hard Gaming and even Harder F@H. thumb.gif But your mileage may vary.

Bottom line, assuming it's a SC 580, cuz they tend to be Binned higher, i don't see why you can't get 975+ out of her for just a few more volt bumps. You will have to Edit the BIOS though.
 
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Intel i7 5820K Gigabyte X99 SOC Champion Nvidia EVGA "GTX 98" Ti 6GB @ 1452Mhz Kingston HyperX DDR4 3200Mhz (4x4GB) 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 128GB SATA III SSD (OS) Western Digital 2TB SATA III (Data) LG SATA Light-Scribe DVD+/-RW Drive Corsair H100i Pull x2 
OSMonitorMonitorKeyboard
Windows 10 Pro 64 Bit SP2 Vizio 40" 1920x1080 60/120Hz TV/Monitor Dell SX2210 DVI 1920x1080 Logitech G11 Gaming Keyboard  
PowerCaseMouseMouse Pad
Corsair Professional Series HX850W Rosewill Thor V2 Black/White L.E. Full Tower Case Logitech Ball What Pad? >_< 
Audio
Logitech Z4 2.1 Stereo System  
CPUMotherboardGraphicsRAM
Intel Q6600 @ ~3Ghz MSI 775 Aftermarket Mobo Nvida GTX 770 LE 2GB @ ~1,300+ 2x2GB (4GB) 800Mhz DDR2 RAM 
Hard DriveOptical DriveCoolingOS
Seagate 160GB DVD/CD Writer/Burner Cooler Master 92mm Windows 7 64 Bit Ultimate Basic 
MonitorKeyboardPowerCase
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Intel E5410 2.33Ghz Intel E5410 2.33Ghz Dell T7400 Dual Xeon Nvidia Quadro 290 
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16GB Samsung ECC RAM DDR2 800Mhz Seagate Barrcuda 500GB 7,200RPM (OS) DVD/CD Writer/Burner Dual Intel Xeon Heatsinks w/ 200mm Delta Fan 
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Windows 7 64 Bit Ultimate Dell Precision 18" LCD DVI  Dell Precision 104 QWERTY Dell/Delta 850W Dual Rail PSU 
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