a)winme get blue-screen when apacer usb2.0 flash drive plug in.
b)with win98se my usb1.1 adsl modem won't work.
c)Both device function well in winxp pro.

my system:

mb p4p800d bios 1010-002
cpu p4c2.4g 0603 mal fpo l317a890
ram twin-mois bh-5 256mb*2
hdd wd 80g 8mb cache
psu delta 300w
(3.6g capable with retail fan,don't o/c in normal use)