J11: keyboard / mouse connector, J12: power on & reset headers, Sw1: digital i/o input pin switch – Intel MB875 User Manual
Page 21: Led1: digital io output led, Led2: hdd / power led, Cn2, cn3, cn4, cn5: lan connectors, Cn6: usb connector
Advertising
INSTALLATIONS
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
Pin #
Pin #
Signal Name
Protect pin
10
5
N.C.
KB clock
9
4
Mouse clock
KB data
8
3
Mouse data
Vcc 7
2 Vcc
Ground 6 1 Ground
J12: Power On & Reset Headers
Pin #
Signal Name
1 PS_ON#
2 Ground
Pin #
Signal Name
3 RESET#
4 Ground
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
MB890 User’s Manual
17
Advertising