cardcntl ident produces:
BusyBox on alpha login: zaurus
$ su
# cd /sbin
# ./cardctl ident
Socket 0:
product info: "SunDisk", "SDP", "5/3 0.6"
manfid: 0x0045, 0x0401
function: 4 (fixed disk)
Socket 1:
product info: "SDG Systems LLC", "MobiliScan HS", "Rev 2.3", "0001"
manfid: 0x0104, 0x009f
function: 2 (serial)
#