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Random Change in Idle Voltage

post #1 of 7
Thread Starter 
Hey guys so my replacement Sapphire 7950 came from Newegg after the first one had voltage and overheating problems after a couple days and I recently noticed after hopping out of a game of Battlefield 3 that my idle voltages have gone up from ~0.800 to 0.944. I think this has caused an increase in idle temperatures although the load temperatures seem fine. Is this a problem with my power supply or my card and do you think it would be a problem? Just so you know my power supply is an OCZ ModXStream Pro 600W.
post #2 of 7
When you observed change of voltage, what about your clocks?

AMD cards has a powerplay feature, meaning at idle clocks 300 / 150, you will get stock voltage, in your case it will be 0.800 as you mentioned, when the clock is up to 501 /1250, voltage will go up of course... as gpu needs more power, thus same requires more voltage.... even if you say idle, there might be some time to clock down gpu's. If it does stays at 501 /1250 (im only guessing cause I dont know your GPU mid clocks), then better check your background apps..... when ULPS kicks in, then it will clock down to 300 / 150 MHZ
my budget gaming
(10 items)
 
   
CPUMotherboardGraphicsRAM
i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
CaseMouseAudioOther
Corsair 900D Logitech G100 Creative 3d Core (stock G1 Sniper 5) Corsair Vengeance 1400 Analog Gaming Headset 
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my budget gaming
(10 items)
 
   
CPUMotherboardGraphicsRAM
i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
CaseMouseAudioOther
Corsair 900D Logitech G100 Creative 3d Core (stock G1 Sniper 5) Corsair Vengeance 1400 Analog Gaming Headset 
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post #3 of 7
Thread Starter 
It idles at 300 / 300 right now. I don't know why it changed from 300 / 150.
post #4 of 7
i wouldnt worry too much if I were you... .1 volts is not a big deal. idle temps may vary at some point.... if your internal temps go up, idle temps also goes up. If room temps go up, idle temps would also go up...

I could try check your vbios. Could you make a back up using gpuz and sent to me? or post it here so anybody can check as well
my budget gaming
(10 items)
 
   
CPUMotherboardGraphicsRAM
i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
CaseMouseAudioOther
Corsair 900D Logitech G100 Creative 3d Core (stock G1 Sniper 5) Corsair Vengeance 1400 Analog Gaming Headset 
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Reply
my budget gaming
(10 items)
 
   
CPUMotherboardGraphicsRAM
i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
CaseMouseAudioOther
Corsair 900D Logitech G100 Creative 3d Core (stock G1 Sniper 5) Corsair Vengeance 1400 Analog Gaming Headset 
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post #5 of 7
Thread Starter 
I've also noticed random flickering of the screen during use. Do you know how I could prevent this?
post #6 of 7
lots of things. software and hardware...

consider software side first. Reinstall drivers. Uninstall completey using ATIMAN or use AMD uninstall utility if you are running windows 7. DO NOT USE Amd uninstall utility if you are running windows 8. It will mess up your win 8...

You may use as well drievr fusion. Google how to use it its very simple...

Check also your cable connection. GPU to montor. Reseat your GPU to your mobo. But before reseating into your mobo, clean your GPU terminals using dry cloth or better use rubber eraser. I use rubber pencil eraser to clean my terminals long time. This will remove any moist, finger prints and so on. And thus enabling the terminal to have a good contact with your mobo... It works for me....
my budget gaming
(10 items)
 
   
CPUMotherboardGraphicsRAM
i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
CaseMouseAudioOther
Corsair 900D Logitech G100 Creative 3d Core (stock G1 Sniper 5) Corsair Vengeance 1400 Analog Gaming Headset 
  hide details  
Reply
my budget gaming
(10 items)
 
   
CPUMotherboardGraphicsRAM
i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
CaseMouseAudioOther
Corsair 900D Logitech G100 Creative 3d Core (stock G1 Sniper 5) Corsair Vengeance 1400 Analog Gaming Headset 
  hide details  
Reply
post #7 of 7
Thread Starter 
So I remembered that once before I had the voltage not changing for some reason and I had pressed the little button on card (which I believe is a bios switch?) and once rebooting the voltage problems were fixed so I tried it out and it's working for now. I reseated the GPU and cleaned out the terminals using a pencil eraser and the flickering seems to have stopped for general use but when I hopped into a couple league of legends games the problem persists.
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