System Board Connector Pin Signals; Monitor Port Signals; Serial Port Signals; Parallel Port Signals - IBM 2193 Maintenance Service Manual

System Board Connector Pin Signals

Monitor Port Signals

Pin Signal Name I/O
1 Red Video O
2 Green Video O
3 Blue Video O
4 No Connection N/A
5 Synch Ground N/A
6 Red Ground N/A
7 Green Ground N/A
8 Blue Ground N/A

Serial Port Signals

Pin Signal Name I/O
1 Data Carrier I
Detect
2 Receive Data I
3 Transmit Data O
4 Data Terminal O
Ready
5 Signal Ground N/A

Parallel Port Signals

Pin Signal Name I/O
1 Strobe O
2 Data Bit 0 I/O
3 Data Bit 1 I/O
4 Data Bit 2 I/O
5 Data Bit 3 I/O
6 Data Bit 4 I/O
162
Pin Signal Name
9 +5 V dc N/A
10 Synch Ground N/A
11 No Connection N/A
12 Monitor ID Bit 1
13 Horizontal Synch
14 Vertical Synch
15 Monitor ID Bit 3
Pin Signal Name
6 Data Set Ready
7 Request To Send
8 Clear To Send
9 Ring Indicator
Pin Signal Name I/O
14 Auto Feed N/A
15 Error I
16 Initialize O
17 Select (In) O
18 Ground Power
19 Ground Power
I/O
I
O
O
I
I/O
I
O
I
I