I had a new PC built the beginning of the year and after only a few days, I
started getting numerous illegal operations errors.  The memory check showed no
problems. I have four 32 MB SDRAM dimms and it was one of those that, while not
bad, wasn't working properly.  The errant memory chip was replaced and
everything worked like it was supposed to.  Several people have told me about
having problems with 64 MB dimms, but had no problems with 32 MB dimms.

Bob Wheeler

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>     I am a novice at pc building and just installed a second hard drive and
> installed a new 64meg sdram. I had all kinds of faults and illegal
> operations notices in about anything I tried to do with my system. After a
> couple of days I decided it had to be either the new hard drive or the
> memory. I put my old simms back in and everything worked perfect. My MB is
> a Spacewalker Hot 557 Award Modular Bios v4.51PG. This board supports 2
> banks of 72 pin simms or 2 sockets of 168 pin dimms but it only shows in
> the chart using 32 meg dimms and doesn't mention being able to use a single
> 64 meg dimm. I went to their Web site and found a upgrade file for the MB
> and a manual for it. Downloaded the manual and read it, but it stated the
> same specs on the memory. When I had the Sdram in, it read the full 64 megs
> on post. I don't know if the memory is working intermittingly or the board
> is not able to use the 64 meg single. Anybody familar with this board that
> has some suggestions would be more than welcome. Thanks in advance.
> Jack Parks
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