what is the problem of my video card core clock is not correct

Accelerated Computing CUDA CUDA Programming and Performance
1

Hi everyone,

I just found out that one of my video card’s core colck is half the normal level. Is any one know how to deal with?

the system information is followed, please notice the Core clock and Memory clock.

thanks,

NVIDIA System Information report created on: 01/16/2009 14:36:19

[Display]
Processor: Intel® Core™2 Quad CPU Q6600 @ 2.40GHz (2399 MHz)
Operating System: Microsoft Windows XP, 32-bit (Service Pack 2)
DirectX version: 9.0c

GPU processor: GeForce GTX 280
Driver version: 178.13
Stream processors: 240
Core clock: 602 MHz
Memory clock: 1107 MHz (2214 MHz data rate)
Memory interface: 512-bit
Memory: 1024 MB
Video BIOS version: 62.00.1C.00.86
IRQ: 16
Bus: PCI Express x16

GPU processor: GeForce GTX 280
Driver version: 178.13
Stream processors: 240
Core clock: 301 MHz
Memory clock: 100 MHz (200 MHz data rate)
Memory interface: 512-bit
Memory: 1024 MB
Video BIOS version: 62.00.1C.00.86
IRQ: 0
Bus: PCI Express x16