J7, J6: Serial Ports; J8: Parallel Port Connector - TMC AI5TT User Manual

Pentium baby at motherboard
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5.5 J7, J6: Serial Ports

The onboard serial ports of the AI5TT are 10 pin-header connectors. J7 is
COM1 and J6 is COM2. The following table shows the pin out of the
these connectors.

5.6 J8: Parallel Port Connector

The following table describes the pin out assignments of this connector.
Signal Name
Line printer strobe
PD0, parallel data 0
PD1, parallel data 1
PD2, parallel data 2
PD3, parallel data 3
PD4, parallel data 4
PD5, parallel data 5
PD6, parallel data 6
PD7, parallel data 7
ACK, acknowledge
Busy
Paper empty
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AI5TT Pentium Baby AT Motherboard User's Manual
Chapter 5 Installation
Pin #
Signal Name
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
10
Not Used
Pin #
Pin #
Signal Name
1
14
AutoFeed
2
15
3
16
Initialize
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
N/A
Error
Select
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
N/A
23

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