Intel 865G User Manual
Page 28
INSTALLATIONS
24
IB865 User’s Manual
J2: Parallel Port Connector
The following table describes the pin out assignments of this connector.
Signal Name
Pin #
Pin #
Signal Name
Line printer strobe
1
14
AutoFeed
PD0, parallel data 0
2
15
Error
PD1, parallel data 1
3
16
Initialize
PD2, parallel data 2
4
17
Select
PD3, parallel data 3
5
18
Ground
PD4, parallel data 4
6
19
Ground
PD5, parallel data 5
7
20
Ground
PD6, parallel data 6
8
21
Ground
PD7, parallel data 7
9
22
Ground
ACK, acknowledge
10
23
Ground
Busy
11
24
Ground
Paper empty
12
25
Ground
J2
Select
13
N/A
N/A
J4, J5: COM1 and COM2 Serial Ports Connector
J4 and J5 both 10-pin headers, are the onboard serial port connectors.
Pin #
Signal Name
RS-232
RS-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
GND
GND
GND
6
DSR
RTS-
NC
7
RTS
RTS+
NC
8
CTS
CTS+
NC
9
RI
CTS-
NC
J4
Fixed as
RS-232
J5
Configurable
as RS-232/
RS-422/485
with jumpers
JP2/JP3/JP4
10
NC
NC
NC