ECS PMI8M, Manual, Page: 26 / 52

20
Installing the Motherboard
JP1~JP2: COM1~4 Ring function selectors
LPT: LPT header
Pin Signal Name
COM4: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
1
VCC5
2
VCC5
3
XNRI1
4
XNRI2
Pin Signal Name Pin Signal Name
5
VCC12
6
VCC12
7
XNRI1
8
XNRI2
9
NRI1
10
NRI2
1
STB# Strobe
2
D0 Data 0
3
D1 Data 1
4
D2 Data 2
5
D3 Data 3
6
D4 Data 4
7
D5 Data 5
8
D6 Data 6
9
D7 Data 7
10
ACK# Acknowledge
Pin Signal Name Function Pin Signal Name Function
11
BUSY Busy
12
PE Paper End
13
SLCT Select
14
AFD# Auto Feed
15
ERR# Error
16
INIT# Initialize
17
SLIN# Select In
18
GND Chassis Ground
19
GND Chassis Ground
20
GND Chassis Ground
21
GND Chassis Ground
22
GND Chassis Ground
24
GND Chassis Ground
26
NC No pin
23
GND Chassis Ground
25
GND Chassis Ground
1
DCDB
2
RxD
3
TxD
4
DTRB
Pin Signal Name Pin Signal Name
5
Ground
6
DSRB
7
RTSB
8
CTSB
9
RI
10
KEY