I finally tracked down the issue with my system. It turns out that the memory and my motherboard wouldn't play nice together. My parents have a PII-450 system, which also has 128MB of PC-100 SDRAM. (They wanted a computer that they wouldn't have to upgrade for many years. My dad mostly plays minesweeper with it, and my mom likes to make greeting cards and do some light word processing. At this rate, they may never need to upgrade again. :-> ) Anyway, I swapped the pair of 64MB DIMMs in their system with my 128MB DIMM last night. I did 80 kernel compiles last night at 100MHz with no problems, so I think I'm set. Interestingly, the memory which gave my system fits seems to work just fine in theirs. On my system, Windows would crash or hang or fail in some way within about 20 minutes. I ran their system for about an hour, playing some games and printing and so forth, and didn't see a problem. Oh, well. :-/ I'm going to watch their system carefully for signs of instability (beyond the normal Windows stuff) but for now I think everything's cool. Thanks for all the suggestions and help people have given me while I was sorting this out.
Sincerely, Ray Ingles (248) 377-7735 [EMAIL PROTECTED] "Every question has a simple, easy-to-understand wrong answer." -H. L. Mencken