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Why does my graphics card get hotter in standby mode?

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#1
Have been trying to fathom this out for a while and cant work it out, all my fans are controlled by a fan controller so its not that, and the PCI-E power saving feature is on in Windows power options.
Wtf is causing my GPU to get about 7*C hotter while the PC is in standby mode (S1)??

:toast:
 
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#2
you could have less airflow in your case during standby (if the cpu underclocks etc... Q-fan could be running the case and cpu fans less...
 
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Processor Intel Q6600 G0 (2007) @ 3.6Ghz @ 1.45625v (LLC) / 4 GHz Bench @ 1.63v | AMD Turion 64 X2 TL-62 2 GHz
Motherboard ASUS P5Q Deluxe (Intel P45) | HP 6715b
Cooling Xigmatek Dark Knight w/AC MX2 ~ Case Fans: 2 x 180mm + 1 x 120mm Silverstone Fans
Memory 4GB OCZ Platinum PC2-8000 @ 1000Mhz 5-5-5-15 2.1v | 2 x 1GB DDR2 667 MHz
Video Card(s) XFX GTX 285 1GB, Modded FTW BIOS @ 725/1512/1350 w/Accelero Xtreme GTX 280 + Scythe sinks| ATI X1250
Storage 2x WD6400AAKS 1 TB Raid 0, 140GB Raid 1 & 80GB Maxtor Basics External HDD (storage) | 160GB 2.5"
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Case Silverstone Fortress FT01B-W ~ Logitech G15 R1 / Microsoft Laser Mouse 6000
Audio Device(s) Soundmax AD2000BX Onboard Sound, via Logitech X-230 2.1 | ADI SoundMAX HD Audio
Power Supply Corsair TX650W | HP 90W
Software Windows 7 Ultimate Build 7100 x64 | Windows 7 Ultimate Build 7100 x64
Benchmark Scores 3DM06: 19519, Vantage: P16170 ~ Win7: -CPU 7.5 -MEM 7.5 -AERO 7.9 -GFX 6.0 -HDD 6.0
#3
you could have less airflow in your case during standby (if the cpu underclocks etc... Q-fan could be running the case and cpu fans less...
But like I said in my OP, all my fans are on a fan controller.
Mobo doesnt control fans, they run the same speed no matter what.

:confused:
 
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#4
where are you reading the gfx card temps while the machine is in standby... also does the controller run the fan on your gfx card aswell or does the ATI software?
 
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Processor Intel Q6600 G0 (2007) @ 3.6Ghz @ 1.45625v (LLC) / 4 GHz Bench @ 1.63v | AMD Turion 64 X2 TL-62 2 GHz
Motherboard ASUS P5Q Deluxe (Intel P45) | HP 6715b
Cooling Xigmatek Dark Knight w/AC MX2 ~ Case Fans: 2 x 180mm + 1 x 120mm Silverstone Fans
Memory 4GB OCZ Platinum PC2-8000 @ 1000Mhz 5-5-5-15 2.1v | 2 x 1GB DDR2 667 MHz
Video Card(s) XFX GTX 285 1GB, Modded FTW BIOS @ 725/1512/1350 w/Accelero Xtreme GTX 280 + Scythe sinks| ATI X1250
Storage 2x WD6400AAKS 1 TB Raid 0, 140GB Raid 1 & 80GB Maxtor Basics External HDD (storage) | 160GB 2.5"
Display(s) Samsung SyncMaster SM2433BW @ 1920 x 1200 via DVI-D | 15.4" WSXGA+ (1680 x 1050 resolution)
Case Silverstone Fortress FT01B-W ~ Logitech G15 R1 / Microsoft Laser Mouse 6000
Audio Device(s) Soundmax AD2000BX Onboard Sound, via Logitech X-230 2.1 | ADI SoundMAX HD Audio
Power Supply Corsair TX650W | HP 90W
Software Windows 7 Ultimate Build 7100 x64 | Windows 7 Ultimate Build 7100 x64
Benchmark Scores 3DM06: 19519, Vantage: P16170 ~ Win7: -CPU 7.5 -MEM 7.5 -AERO 7.9 -GFX 6.0 -HDD 6.0
#5
where are you reading the gfx card temps while the machine is in standby... also does the controller run the fan on your gfx card aswell or does the ATI software?
Graphics card BIOS runs my GPU fan speed. Fan controller does all fans other than GPU and CPU.

But with all the fans in my case, even if the CPU fan stopped I doubt it would make more than 1*C difference if that.

Temps are read by everest, put through to my G15 display.
 
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#6
is your gfx card fan slowing down when you go into standby?
 
Joined
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System Name Gaming Rig | Uni Laptop
Processor Intel Q6600 G0 (2007) @ 3.6Ghz @ 1.45625v (LLC) / 4 GHz Bench @ 1.63v | AMD Turion 64 X2 TL-62 2 GHz
Motherboard ASUS P5Q Deluxe (Intel P45) | HP 6715b
Cooling Xigmatek Dark Knight w/AC MX2 ~ Case Fans: 2 x 180mm + 1 x 120mm Silverstone Fans
Memory 4GB OCZ Platinum PC2-8000 @ 1000Mhz 5-5-5-15 2.1v | 2 x 1GB DDR2 667 MHz
Video Card(s) XFX GTX 285 1GB, Modded FTW BIOS @ 725/1512/1350 w/Accelero Xtreme GTX 280 + Scythe sinks| ATI X1250
Storage 2x WD6400AAKS 1 TB Raid 0, 140GB Raid 1 & 80GB Maxtor Basics External HDD (storage) | 160GB 2.5"
Display(s) Samsung SyncMaster SM2433BW @ 1920 x 1200 via DVI-D | 15.4" WSXGA+ (1680 x 1050 resolution)
Case Silverstone Fortress FT01B-W ~ Logitech G15 R1 / Microsoft Laser Mouse 6000
Audio Device(s) Soundmax AD2000BX Onboard Sound, via Logitech X-230 2.1 | ADI SoundMAX HD Audio
Power Supply Corsair TX650W | HP 90W
Software Windows 7 Ultimate Build 7100 x64 | Windows 7 Ultimate Build 7100 x64
Benchmark Scores 3DM06: 19519, Vantage: P16170 ~ Win7: -CPU 7.5 -MEM 7.5 -AERO 7.9 -GFX 6.0 -HDD 6.0
#7
Didnt seem to spin down, but I couldnt keep it in standby for more than a minute or so, stupid sensitive laser mouse :rolleyes:
 
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#8
Unless your GPU fan is on the controller it probably is slowing down quite a bit... I would hook it up to the controller if the option was there, if only to test out the theory, and later to have precision performance according to your desires over the automatic up and down cycle in RPMs.
 
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#9
dosent the ATI bios slow down the GPU speed (and possibly fan speed) in standby mode... kinda like 2D / 3D mode
 
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#10
I believe the S1 state reduces board voltage to something like 1.8v, just enough to keep your RAM active. If the GPU is getting power for the fan from the mobo, a drop from 3.3v to 1.8v is pretty significant...