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IDProjectCategoryView StatusLast Update
0000507SpeedFanHardware supportpublic2008-08-20 18:18
Reporterrhuebner Assigned Toalfredo  
Status closedResolutionduplicate 
Product Version4.28 
Summary0000507: No temp from new 7900GT... so here's code to get it!
DescriptionI've been using SpeedFan for a long time to control the VF700 on my 6800GT card (through a mobo header) and loving it. But now I got a shiny new 7900GT and the temp isn't reported. Wah.

But wait... this isn't one of the usual "all problem, no solution" reports. While researching alternatives to get me by until you could update, I found a simple little MotherBoard Monitor plugin file that says it reads temps and clock rates from *all* recent NVidia cards, and also reads your secondary (SLI) card if any. And the author is nicely giving away the source! It works; I'm using it now.

Instead of reading the device directly through the SMBus, it uses a "magic" ExtEscape() call to query the NVidia video driver itself through some kind of (undocumented?) API. This gets you the same info displayed by the NVidia control panel, and should be way less hassle for you than trying to keep up with all the new cards.

Code is attached. I'll be glad to beta test an update if you like.

Thanks for a great program.
Steps To ReproduceUpgrade your video card.
Additional InformationDistribution announcement:
TagsNo tags attached.
Motherboard Model
Video Card ModeleVGA 7900GT CO Superclocked


duplicate of 0000517 resolvedalfredo I Wanted To Know Does SpeedFan Supports Video Cards Of nVidia Hardware. 


2006-03-15 01:44



2006-03-15 01:48

reporter   ~0001582

The tracker butchered the URL. Let's try again:


2006-03-25 23:36

reporter   ~0001592

Last edited: 2006-03-25 23:37

i agree
get temps using nvidia driver is better


2006-04-30 22:31

reporter   ~0001648

Speedfan doesn't report temperature for my 7900GT either. I'd love to see this supported.


2006-05-09 00:39

manager   ~0001662

I'm actively working on a new approach to read nVidia temperatures. I plan to do it within this week. At least... I hope so :-)


2006-05-12 09:47

reporter   ~0001674

Last edited: 2006-05-12 09:48

@alfredo: that would be cool, give us an info when you have a new version.
Hope you don


2006-05-27 13:15

reporter   ~0001693

Last edited: 2006-05-27 13:16

In waiting for speedfan support, you can use the tool called NvTempLogger.exe : ;)

Issue History

Date Modified Username Field Change
2006-03-15 01:44 rhuebner New Issue
2006-03-15 01:44 rhuebner File Added:
2006-03-15 01:44 rhuebner Video Card Model => eVGA 7900GT CO Superclocked
2006-03-15 01:48 rhuebner Note Added: 0001582
2006-03-25 23:36 MrRCS Note Added: 0001592
2006-03-25 23:37 MrRCS Note Edited: 0001592
2006-04-30 22:31 Ves Note Added: 0001648
2006-05-09 00:39 alfredo Note Added: 0001662
2006-05-09 00:42 alfredo Status assigned => acknowledged
2006-05-12 09:47 bali06 Note Added: 0001674
2006-05-12 09:48 bali06 Note Edited: 0001674
2006-05-27 13:15 byblo Note Added: 0001693
2006-05-27 13:16 byblo Note Edited: 0001693
2006-05-27 13:16 byblo Note Edited: 0001693
2006-05-27 13:16 byblo Note Edited: 0001693
2006-05-27 13:16 byblo Note Edited: 0001693
2008-08-20 18:18 alfredo Relationship added duplicate of 0000517
2008-08-20 18:18 alfredo Status acknowledged => closed
2008-08-20 18:18 alfredo Resolution open => duplicate