ECS X79R-AX Manual page 28

24
USB3F: Front Panel USB 3.0 header
This Motherboard implements one USB 3.0 header supporting 2 extra front USB 3.0
ports, which delivers 5Gb/s transfer rate.
Pin
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.
Pin
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a serial port to your
system.
Pin
Signal Name
1
USB POWER
3
SSRX0-
5
SSTX0-
7
GND
9
D0+
11
D1+
13
GND
15
SSTX1-
17
SSRX1+
19
USB POWER
Signal Name
1 SPDIFOUT
2 +5V
3 Key
4 GND
Signal Name
1
DCDB
2
SINB
3
SOUTB
4
DTRB
5
GND
6
DSRB
7
RTSB
8
CTSB
9
RI
10
Key
Installing the Motherboard
Pin Signal Name
2
SSRX0+
4
GND
6
SSTX0+
8
D0-
10
NC
12
D1-
14
SSTX1+
16
GND
18
SSRX1-
20
KEY
Function
Data Carrier Detect
Serial Input
UART B Serial Output
UART B Data Terminal Ready
Ground
Data Set Ready
RART B Request to Send
Clear to Send
Ring Indicator
No pin