On Sat, May 20, 2000 at 04:41:56AM -0400, Mike Nowlin wrote:
>
> This isn't really FBSD-related, but this seems like a good place to ask...
>
> I have a Linux dual P-II 333 that had the following memory config:
>
> bank 1 - 32M DIMM/100
> bank 2 - 64M DIMM/100
> bank 3 - 64M DIMM/100
>
> Over the last few days, I've started getting tons of sig11's, especially
> when X is running. "Ding ding ding! Memory's failing!" Sometimes, the
> machine wouldn't even boot completely without being turned off for half an
> hour or so to cool down...
>
> Pulled out the 32M from bank 1 and moved the 64M from bank 3->bank 1 - no
> SEGV's yet, and it's pretty loaded right now. (Enlightenment, Gnome,
> Gimp, Glade, lots of xterms, several Gnome builtins, and the "watch TV"
> program for my video capture card.)
>
> The funny thing is, and my question, is that all of a sudden, things are
> running MUCH faster now with 128M than with the 160M before. (This is an
> Intel DK440LX motherboard.) Is there something about DIMMs that could
> cause a major operational slow-down from a progressively-failing DIMM that
> doesn't result in any obvious problems like sig11?
Most motherboard vendors strongly recommend that you not mix DIMMs
either in size or manufacture so there might have been some wacky timing
issues form the mixed DIMMs. Also, the last bank is sometimes a bit
wacked due to chipset limitations so you might have hit something like
that.
-- Brooks
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