Acer AR320 F1 - Manual (Page 23)

5
Rear panel
No. Icon Component
1 Power supply module cord socket
2 PS/2 mouse port
3 Serial port
4 Gigabit LAN ports (10/100/1000 Mbps)
5 Low-profile PCI Express 2.0 x8 expansion slots
6 System ID switch
7 Server management port (RJ-45) (10/100 Mbps)
8 USB 2.0 ports
9 Monitor port
10 PS/2 keyboard port