ECS A47G Series, User Manual, Page: 17 / 61

14
Motherboard User’s Guide
13 SLCT
26 Key
LPT: Onboard parallel port header
This is a header that can ba used to connect to the printer, scanner or other devices.
1 STROBE
14 ALF
2 PD0
3 PD1
4 PD2
5 PD3
15 ERROR
16 INIT
17 SLCTIN
18 Ground
Pin Signal Name Pin Signal Name
6 PD4 19 Ground
7 PD5
20 Ground
8 PD6
9 PD7
10 ACK
11 BUSK
12 PE
21 Ground
22 Ground
23 Ground
24 Ground
25 Ground
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
SPDIFO: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.
Pin Signal
1 SPDIF
2 +5VA
3 Key
4 GND
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