ECS H61H2-M3, Manual, Page: 24 / 80

20
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