FroyoShark
Android Enthusiast
Have you tried pushing /system/bin/vold from CM7 to ICS? That's how they fixed the SD Card on the Kindle Fire ICS ROM. I would try but this laptop is a piece of crap and it would take forever to build ICS. I'm building a new PC in about a week though so I will try to help 
EDIT: Someone already posted it :x whoops.

EDIT: Someone already posted it :x whoops.