Mainboard K8X250
9
PS/2 Mouse & PS/2 Keyboard Ports: JKBMS1
This mainboard provides a standard PS/2 mouse port and a PS/2 keyboard port. The pin
assignments are described below.
Parallel and Serial Interface Ports
The mainboard provides one parallel port and two serial
ports on the back panel.
Parallel Interface Port: JPRT1
The parallel port on your mainboard is a standard 25-pin
port and is used to attach a parallel printer.
Serial Interface Port: JCOM1/ JCOM3
This mainboard provides the serial port COM1 and COM3
(optional) on the back panel, and are used to attach mice,
modems and other peripheral devices.
USB & LAN Ports: JUSB3/JUSBLAN1
There are four USB 2.0/ 1.1 ports on the back panel. These USB ports are used to attach with
USB devices, such as keyboard, mice and other USB supported devices. There is also a 10/100
Mbps Ethernet LAN port that you can attach directly to a network cable.
Pin
Assignment
Pin
Assignment
1
Data
4
+5 V (fused)
2
N/A
5
Clock
3
Ground
6
N/A
Pin
Assignment
Pin
Assignment
1
TX+ (TX+)
5
NC (TRD2-)
2
TX- (TX-)
6
RX- (RX-)
3
RX+ (RX+)
7
NC (TRD3+)
4
NC (TRD2+)
8
NC (TRD3-)
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
