I forgot to mention: I have tried to use both the OHCI and the EHCI USB ports of my mobo. Here's a brief system config I should have posted anyway:
abit nf7-s version 2.0 (nforce2 400 mobo)
256MB DDR266
axp2400+
matrox g400MAX gfx
WD120JB HD
Fedora Core 1 Linux
M-audio audiophile 2496 sound card AND nforce2 audio
nforce LAN (using reverse engineered forcedeth open source driver built in the kernel)
i have uploaded the .config used to compile the kernel at
http://hwwolf.virtualave.net/temp/keep.config