what would cause freezes after post?

[neo_otyugh]

using abit zm6, celeron 400, runs at 450 no prob at stock voltage and never gets over 43C, even runs at 83 fsb at stock voltage, but half-life won;t work due to the wierd pci bus speed. ran it at 2.3 volts for a day and a half running 3dmark2000 demo loop, or half-life, stable and never got over 48C at 450. however whenever i try for 100 fsb it freezes, either right when i change the bus in softfsb, or right as "starting windows 98" is appearing...what might cause this freeze? even if my temo monitors are way off, i should still be within temp range. my memory is 8ns pc100 so it should be all good...might it be the cache? or something else??

[Nixona]

Need more voltage buddy. Are you still at default? 100 mhx FSB on the 400 requires a small jump. You should be good at about 2.2v. The back it down and see how low you can go.

[neo_otyugh]

i can run it as high as 2.3 and the results are the same...
i doubt i can hit 100....but i just trying to learn what stops it...

[neo_otyugh]

even if i boot at 2.3v and switch to 100 with softfsb it will freeze...kinda wierd huh??

[cpucook]

Have you tried with UDMA disabled??....you said your pci bus speeds are strange, and that might cause problems with UDMA.....I was held back by this too....thinking I would loose too much performance.....but I cannot notice the lack of UDMA....I'm +120Mhz overclocked without it, and I was stuck with it on :-).

Also, certain MAXTOR drives do not like odd pci bus speeds, causing UDMA to stop you just before you see the desktop.

cpucook

[LW]

I hope you have the divisor set to 1/3 and not 1/2. http://sysopt.earthweb.com/forum/smile.gif Just a thought.

[neo_otyugh]

well...with udma OFF in bios, DMA off in windows, and level 2 cache disabled i got it to boot at 600@2.3volts, its not totally stable either....i guess right now 600 is not a realism....500 is totally stable though, but due to the wierd bus speed (41.5) half-life is unplayable making 500 TOTALLY out of the question...
i just finished lapping my k6-2 400 and will be putting a linux box together next...wonder how well i can get that running???

[neo_otyugh]

i would love to set the divisor to 13 ...but it seems to be locked at 1/2...??this is really frustrating...
oh and the hard drive is a maxotr diamondmax 10 gig

btw i REALLY appreciate all the advice and tips, thats what makes being a member of this board so great