Asus Xeon 5U Rackmount Server AP1720-E1 - Manual (Page 13)

ASUS AP1720-E1 barebone server 1-5
1.4 Rear panel features
The rear panel includes a slot for the motherboard rear I/O ports,
expansion slots, a chassis lock and intrusion switch, a vent for the system
fan, and power supply module.
Power supply module
Expansion slots
Power connector
12cm fan vent
Chassis lock
P/S2 mouse port
P/S2 keyboard port
4 USB 2.0 ports
Parallel port
Gigabit LAN port
SCSI port (optional)
Serial ports
IEEE 1394 port
Audio ports
If you wish to access front I/O ports and floppy disk drive without opening
the bezel, hold the tab and move the sliding panel (rightmost panel) to the
left as shown.