Bob Day wrote:
How can I test the apparently bad module if I can't get the computer
to start with that module in the slot?!


By putting Memtest86+ on a bootable CDROM or floppy as explained
at http://www.memtest.org

How is the CDROM or Floppy going to run if the system doesn't BOOT?

Your post didn't specify chip density, single or double sided, tRAS,
tRP, tRCD, or CL, all of which can make a difference.

It supports up to (2) DDR 1GB 2100 memory modules. How many variations are
there?!