Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > Underclocking a vid card on a 89 MHz AGP buss

Underclocking a vid card on a 89 MHz AGP buss

Forum Graphic & Displays : Graphics Cards - Underclocking a vid card on a 89 MHz AGP buss

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Anonymous   01-03-2001 at 04:30:09 PM

Theoretical question:

If someone (me) was to overclock their FSB on a BX Mobo to 133 MHz, then the AGP buss would now be at 89 MHz. Most newer video cards (ie... Geforce2 MX) can handle this.

If there were problems,however, would underclocking the video card help in any way? Would you just underclock the chipset, or would you have to underclock the memory too?

Thanks

PIII-700 FCPGA - Slot 1 Adapter Card
Luckystar/Boardrunner (BX) 6ABX2V Ver. 3.1
128 MB PC-133 (1@128 MB)
Herculese Prophet Geforce2 MX
SB Live Value
56K Winmodem
D-Link 10/100
13 GB IDE


Eek!

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Crashman   01-03-2001 at 07:24:10 PM
- 0 +

I haven't noticed any difference. When I overclock my GTS to 220/380 at 66 Mhz, everything works. But when I bump my AGP bus speed up to 87 MHZ it still goes to 220/380. Anything above that at either bus speed causes heat problems, so I can only assume that video chip clock and video memory clock are independant of bus speed. The video card must have it's own clock generator.

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