Datasheet

Installing the Motherboard

CASE: Chassis Intrusion Detect Header

Short Chassis cover is removed

Open Chassis cover is closed

This detects if the chassis cover has been removed. This function needs a chassis

equipped with instrusion detection switch and needs to be enabled in BIOS.

Pin 1-2 Function

ME_UNLOCK: ME Unlock Header

Short Unlock

Open Lock

Pin 1-2 Function

SPDIFO: SPDIF out header

This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface)

output to digital multimedia device through optical fiber or coaxial connector.

1 SPDIFOUT

2 VCC

3 KEY

4 GND

Pin Signal Name

COM: Onboard serial port header

Connect a serial port extension bracket to this header to add a serial port to your

system.

1 DCDB Data Carrier Detect

2 SINB Serial Input

3 SOUTB UART B Serial Output

4 DTRB UART B Data Terminal Ready

5 GND Ground

6 DSRB Data Set Ready

7 RTSB RART B Request to Send

8 CTSB Clear to Send

9 RI Ring Indicator

10 Key No pin

Pin Signal Name Function