KM400A Series
12
Back Panel Configuration
PS/2 Mouse & PS/2 Keyboard Connectors: KB/MS
This mainboard provides a standard PS/2 mouse connector and PS/2 Keyboard connector. The pin
assignments are described below:
USB & LAN Connectors: USB/(LAN=>optional)
There are 4 USB connectors on the back panel. These USB connectors are used to attach to USB
devices such as: keyboards, mice and other USB devices. You can plug the USB devices directly into
this connector. The KM400A PRO-1394/ KM400A PRO also provides a LAN port. You can plug
LAN devices directly into this connector.
Pin Assignment Pin Assignment
1
Data
4
+5 V (fused)
2
No connect
5
Clock
3
Ground
6
No connect
Pin Assignment Pin Assignment
1
TX+
5
NC
2
TX-
6
RX-
3
RX+
7
NC
4
NC
8
NC
Pin Assignment Pin Assignment
1/5
+5 V (fused)
3/7
USBP0+/P1+
2/6
USBP0-/P1-
4/8
Ground
PS/2 Mouse
PS/2 Keyboard
LAN
USB
(Optional)
PS/2
Mouse
PS/2
Keyboard
COM1
USB
USB
Mic In
Line In
Speaker Out
VGA
(Optional)
LAN
Port
(Print Port)
Parallel Port