ECS A55F-A2 User Manual page 23

LPT: Onboard parallel port header
This is a header that can be used to connect to the printer, scanner or other devices.
Pin Signal Name
1
STB
2
PD0
3
PD1
4
PD2
5
PD3
6
PD4
7
PD5
8
PD6
9
PD7
10
ACK
11
BUSY
12
PE
13
SLCT
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
Pin Signal Name
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
Key
Pin
14
15
16
17
18
19
20
21
22
23
24
25
26
Function
Data Carrier Detect
Serial Input
UART Serial Output
UART Data Terminal Ready
Ground
Data Set Ready
RART Request to Send
Clear to Send
Ring Indicator
No pin
Installing the Motherboard
Signal Name
AFD
ERR
PRNINIT
SLIN
GND
GND1
GND2
GND3
GND4
GND5
GND6
GND7
NC
19