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Old 2nd December, 2002, 02:18 PM
Join Date: December 2002
Posts: 6

Epox 8KHA+ overclocking problem

I have and Epox 8kha+ rev 2.0 board. I now have the latest bios on it. I'm running an xp1800. I overclocked the chip to xp2100 (11.5x150=1725) The bios can post the overclocked speed correctly and I could run the speed stable in windows playing games, running benchmarks and etc 24/7. The problem is that when I shutdown the machine and restart it on another day, it would randomly run at xp1800 (11.5x133) and xp2100 (11.5x150). It seems that the bios is displaying the correct overclock settings during boot xp2100 (11.5x150) but when I get into windows and run wcpuid the processor name is still xp2100 but the fsb has gone back to the default 133 instead of the overclocked 150. I can confirm this by runnig 3dmark which gives a much lower score. I have tried different bios and even removing and reseating all the cards. I also tried clearing the bios and changing the 100/133 jumper. My PSU has stable 5v and 12v line at 4.97 and 12.34 I also tried increasing the vcore. the xp1800 chip can definately overclock stable to 11.5x150 it's just the mobo having wrong fsb eventhough the bootup display the correct overclock setting. Can someone pls help me?? Thanks.
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Old 3rd December, 2002, 12:02 AM
Join Date: December 2002
Posts: 6

Someone has told me it might be the CMOS battery. I checked it and reseated it as well. It is running at 2.8v is that too weak? The funny thing is that my system bios remembers the overclock setting and shows it on the bootup screeen, it just randomly defaults to the 133 fsb "internally" when computer is restarted. When I go to the bios configuration, it is still at 150 fsb setting. Anyone please?
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Old 4th December, 2002, 06:25 AM
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Join Date: February 2002
Location: Dayton, OH
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Dont feel bad. Mine does the same thing too since I unlocked my XP1600+. If I keep Multilplier in Auto, it overclocks well. Soon As I fiddle with Multiplier, it does what yours does and sometimes doesnt reboot on 1st try, have to hit reset button. But Multiplier worked fine with my older Duron. I figure I didn't do that well of a job unlocking my XP. I might just redo it.
Epox 8RDA+
Athlon XP1700+ @2.1GH (200x10.5) 1.77v
Tai-Sol 760092 Copper HS/F
512MB Samsung PC2700 CAS2.5
Memory 2.77v 3.0-3-3-13
Radeon 8500 128MB Retail
2 W.D. 20GB 7,200rpm ATA100HD
Silicon Image 0680 RAID Controller
Lite-On 16X48 DVD ROM
Asus 48x24x52 Burner
S.B.Live 5.1
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