> We've had great luck using 32MB SIMMS in our UDB's. Admittedly, an error
> in addressing (when crossing over the 64MB boundary) pops up after a warm
> boot, but a cold boot clears this right up.
What kind of error do you get? Is it a machine check error? I only cold
boot these machines and have never tried warm booting.
> You might make sure the SIMMS have no more than 24 chips on them; I don't
> know about the UDB's but I've seen many boxen that won't map anything
> with > 24 chips.
Twelve chips per side. Looks like eight 4 MB x 4 chips and four 4 MB x 1
> I tried running INN under RH 4.0 as ELF last night; no problems that I
> could see. Unfortunately, I didn't have much of a news spool set up, so
> I'm not sure how memory intensive the feed was; the memory load seemed
> fairly light.
Our server processes several incoming and outgoing feeds and typically has
a 50 - 60 MB footprint. The problem may only be showing up under a heavy
> I didn't notice in your posting if you were sure the 8x36 SIMMS were
> "true" parity. Logic parity SIMMS will cause most (if not all) AXP's to
They are true parity. Also there are no PALs or other logic chips evident
on the SIMMs to make me suspect that they are in fact logical parity
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