Acer AR160 F1 - Manual (Page 21)

5
Rear panel
No. Component
1 Power socket
2 PS/2 mouse port
3 Server management port (RJ-45) (10/100 Mbps)
4 Low-profile PCI Express 2.0 x8 expansion slot
5 Full-height PCI Express 2.0 x16 expansion slot
6 Full-height PCI Express 2.0 x8 Flex I/O expansion slot
7 System ID indicator
8 Gigabit LAN ports (10/100/1000 Mbps)
9 Monitor port
10 COM port
11 USB 2.0 ports
12 PS/2 keyboard port