J11: Keyboard / Mouse Connector; J12: Power On & Reset Headers; Sw1: Digital I/O Input Pin Switch; Led1: Digital Io Output Led - IBT MB875 User Manual

J11: Keyboard / Mouse Connector

J11, a 10-pin header connector, has functions for both keyboard and
mouse. The following table shows the pin assignments of this connector.
Signal Name
Protect pin
KB clock
KB data
Ground
J12: Power On & Reset Headers
Pin # Signal Name
1
2
Pin # Signal Name
3
4

SW1: Digital I/O Input Pin Switch

LED1: Digital IO Output LED

LED2: HDD / Power LED

Red: HDD LED
Green: Power LED

CN2, CN3, CN4, CN5: LAN Connectors

CN2: LAN1
CN3: LAN2
CN4: LAN3
CN5: LAN4

CN6: USB Connector

Pin #
10
9
8
Vcc 7
6
PS_ON#
Ground
RESET#
Ground
MB890 User's Manual
INSTALLATIONS
Pin # Signal Name
5 N.C.
4 Mouse clock
3 Mouse data
2 Vcc
1 Ground
17