1)USB specification revision 1.1 compliant 2)Two downstream PS/2
connector 3)High power device on a current 500mA 4)Based on USB
5)PS/2 keyboard and PS/2 6)Mouse work together-under one adapter
7)OS supported: Win XP, 2000, ME, 98, Mac OS 9.2, Linux 8)Plug and
play external power adapter for the IDE, ATAPI device 9)Supports
ATA, ATAPI CD-ROM, R, RW and DVD-ROM