Abit AN7/XP-M...why?

O

obobski

2[H]4U
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Aug 10, 2005
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couldn't decide if this was AMD CPU or AMD Mobo, so yeah

so I dug my AthlonXP box out of the closet tonight, powered it up with a spare PCI videocard, and the thing will not run stable to save its life

specs:
Abit AN7
Antec SmartPower 500W
AthlonXP-M 2400+
GeForce MX 4000 PCI (lol)
2x512MB Patriot DDR400 CL2.5 (have G.Skill FX CL2.0, but it wasn't detecting half of it and when I pulled one of the sticks it wouldn't boot at all, so I switched to that Pats because it seemed to work better)
Thermalright 92mm heatsink w/Panaflo High Speed 92mm (like 5000 RPM/80 CFM max, it can take the heat)

SO here's what I've tried and whats happened:
200x9.5 1.718v - errors in winmemtest and memtest x86 won't even load
200x9.0 1.718v - won't boot
200x9.0 1.75v - won't boot
200x11 1.75v - no errors in winmemtest, the VGA bench on ultimate boot CD, CPU stress, TONS of errors in memtest x86
166x10 1.68v - fine
166x11 1.718v - same as 200x9.5
133x8 1.53v - fine
100x5 1.53v - fine

now back in the day (like years ago) this would run somewhere around 166x12-13 (forget volts tbh, 166 due to memory limitations at the time)

so, what am I missing here that's got it unstable?
I've got the memory set by SPD which is 2.5-3-3-8 at DDR400 and 2.5-3-3-6 at DDR333, I know both of those *should* be stable (it worked in my P4 at either of those, so I assume its stable), tried volts up to 1.75v (which seems incredibly high to me, but I also know that back in the day people were pushing close to 2V into these things to hit 2.4-2.5ghz stable), haven't touched NB or DDR volts, PSU works, nothing is overheating (CPU hasn't gone much above 45* C), so whats wrong?

oh, and I replaced the CMOS battery because when I first powered it up, it was resetting the BIOS everytime it'd restart, that seemed to stop that

any help from someone with memory back this many years would be appreciated
 
was the mobo pins left out in the open for each slot say ram and gpu and cpu.... these need to be kept clear of oxidation to run perfect. I don't know what you could do to clean them but I used some chemical. I think contact cleaner from an electroncis shop.

I had an old athlon xp machine it seemed to be real stable compared to some newer machines ive had. (I think its my chipset and power though) so will fix that soon.

Anyway I would clean the contacts on everything. It feels real nice to bring out some of your older machines sometimes to reminence about the good ole days eh... Well to say that sounds kinda of wierd but I don't care. I still gots my oc'd dx2 ...10 mhz oc lol. from 66 to 76 via jumper.. been stable since with a modded pentium 3 cooler (orb).

Thats the only thing i could think of other than newer power supply phases. I think that some of the older psu's had a higher 3.3/5 volt and lower 12 volt. where it's the oppisite of today!

Anybody else have any ideas!
 
nF2 + Barton was a very stable platform back in the day. 1800Mhz stock, right? 133x13.5 @ 1.45vCore for the Barton, according to google. i had an XP-M 2500 Barton that ran 200x12 @ 1.7v, IIRC... ran for 4yrs until it went in my closet. sold it a couple yrs ago, but before i did, it would no longer run at that OC'd speed. had it on an asus... shit, can't remember, the one with the soundstorm chip. anyhow, my point is, these things tend to not run OC'd much longer than that, since I witnessed the same thing with my a bunch of my friends' socket A systems (mostly bartons, the t-breds didn't last as long, lol).
 
enginurd said:
nF2 + Barton was a very stable platform back in the day. 1800Mhz stock, right? 133x13.5 @ 1.45vCore for the Barton, according to google. i had an XP-M 2500 Barton that ran 200x12 @ 1.7v, IIRC... ran for 4yrs until it went in my closet. sold it a couple yrs ago, but before i did, it would no longer run at that OC'd speed. had it on an asus... shit, can't remember, the one with the soundstorm chip. anyhow, my point is, these things tend to not run OC'd much longer than that, since I witnessed the same thing with my a bunch of my friends' socket A systems (mostly bartons, the t-breds didn't last as long, lol).
Click to expand...

I took this out of usage in like 2k5 or 2k6 when I got my second P4
funny though, back in 2002-2003 I remember people questioning what this did to these chips for the long run and everyone said no don't worry it'll run forever, ha!

oh well, might tinker with it a bit more, but it isn't "required" to run

easy enough to just write it off to "its old and the thing is failed from OC'ing" if it never runs right again :)
 
As for longevity, I believe it really depends on the OC and voltage. The further you push it, the more voltage it needs, which means more heat; more heat is never a good thing. Also, I think AMD chips weren't (and probably still aren't) as durable as Intel chips, especially back then. They've probably raised their standards to more closely match intels now, but back then I doubt they were.
 
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