AGP/PCI lock

brazzmunk

Member
Jan 6, 2005
187
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Is it ok to set the lock at that on A8V Delux???
Would there still be a lock when 75.4/37.7 is selected
i have problems with AGP bus locking up above HTT 280 and this was one of the suggestions... The thing i concerned the most is HD corruption as it happaned before.. i have 4 UDMA 66 Seagate barracuda's
 

VirtualLarry

No Lifer
Aug 25, 2001
56,571
10,206
126
If you are suggesting to run your AGP port at 75.4Mhz, and your PCI bus at 37.7MHz, those are definately way out of spec, and the PCI bus one will likely be the more severe problem of the two. It could easily cause IDE HD data-corruption issues at that speed, if the IDE ports' clocks are based on the PCI clocks, and many are.
 

brazzmunk

Member
Jan 6, 2005
187
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well i set it back to 66/33, the thing is alot of people are having issues with early RADEONS having VPU recovery issues playing games with HTT over 260 in my case over 278, one of resolutions were to set lock higher... guess that's not a choice for me
 

obeseotron

Golden Member
Oct 9, 1999
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In my experience 10% over spec is about the limit for HDD's before corruption starts, AGP is much more dependant on the card. I had an old Geforce that would do a 100Mhz AGP bus, newer ones are much pickier. Try a verly low HTT multiplier also. Anything above 600Mhz total will not increase performance, try 3x or even 2.5x.
 

bjc112

Lifer
Dec 23, 2000
11,460
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76
75 is border line..

I have experience some issues with MAxtor HDDs @ 75.. However some drives take it better than others..

I would agree with the 10% mark as good starting point.