This is info for all interested - a cautionary tale if you
will.
After installing XP-pro Service pack 2 on a modern Dell
machine the thing would lock up tight after power-on boot.
I could get into Safe mode, but that was it.
I had a modern IDE CR-RW drive (UDMA mode 5) as secondary
master, and an older IDE CD-R drive (UDMA mode 2) as
secondary slave. Safe mode brought up all drives ok in
slow PIO mode.
Disabling and disconnecting the old UDMA-2 CD-R drive
fixed the problem.
I speculate that there is a timing issue with the old,
slow hardware that showed up when SP-2 was installed, or
perhaps the old CD-r was doing illegal or untoward things
in its own power-up routines that confuse the SP-2 data-
execute-prevention stuff.
All I know is that the old CD-R is gone and everything is
spiffy.
Folks installing SP-2 and having difficulty booting up may
assume it's a SP-2 software problem, but that isn't
necessarily so. It could be old hardware biting you in the
buss.
phil
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