On Wed, 24 Dec 1997, Don Maslin wrote:
Hello Charlie,
> Charlie, I have the information on that and will dig it out in the next
> couple days if no one beats me to it. Jog my memory if I seem to forget.
Here it is. Hope this answers your questions.
- don
donm_at_cts.com
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Don Maslin - Keeper of the Dina-SIG CP/M System Disk Archives
Chairman, Dina-SIG of the San Diego Computer Society
Clinging tenaciously to the trailing edge of technology.
Sysop - Elephant's Graveyard (CP/M) - 619-454-8412
*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*
see old system support at
http://www.psyber.com/~tcj
-------------- next part --------------
Table 2-6
Parallel Printer Connection Pin Assignments
Pin # Pin # Pin #
Signal at A at B at C Remarks
----------------------------------------------------------------
DATA-STB 1 3 2
----------------------------------------------------------------
DATA1 2 6 16
DATA2 3 7 4
DATA3 4 8 17
DATA4 5 9 5
DATA5 6 10 18
DATA6 7 11 6
DATA7 8 12 19
DATA8 9 13 7
----------------------------------------------------------------
ACK 10 2 14
----------------------------------------------------------------
Input Busy 11 22 9
----------------------------------------------------------------
PE 12 29 25
---------------------------------------------------------------
SELECT 13 4 15
----------------------------------------------------------------
Signal Grnd 14 NC NC
---------------------------------------------------------------
NC 15 NC NC
---------------------------------------------------------------
Signal Grnd 16 NC NC
----------------------------------------------------------------
Chassis Grnd 17 NC NC
----------------------------------------------------------------
+5VDC 18 27 24
----------------------------------------------------------------
Grnd Pin 1 19 NC NC
Grnd Pin 2 20 20 8
Grnd Pin 3 21 21 21
Grnd Pin 4 22 5 3
Grnd Pin 5 23 24 10
Grnd Pin 6 24 26 11
Grnd Pin 7 25 28 12
Grnd Pin 8 26 30 13
Grnd Pin 9 27 31 26
Grnd Pin 10 28 NC
Grnd Pin 11 29 NC
Grnd Pin 12 30 NC
---------------------------------------------------------------
Input Prime 31 23 22
---------------------------------------------------------------
Fault 32 25 23
---------------------------------------------------------------
Signal Grnd 33 NC NC
---------------------------------------------------------------
NC 34 NC NC
---------------------------------------------------------------
NC 35 18
---------------------------------------------------------------
Input Busy 36 NC NC
---------------------------------------------------------------
19 20 No Signal
---------------------------------------------------------------
1 1 No Signal
---------------------------------------------------------------
NOTE: 'A' is at the Printer connector
'B' is at the back panel connector - marked PTR
'C' is at the processor board header
Table 2-11
Keyboard Interface Lines
PIN SIGNAL
---------------------------------
1 Not used
2 Not used
3 Keyboard Data 1
4 Keyboard Data 2
5 Keyboard Data 3
6 Keyboard Data 4
7 Keyboard Data 5
8 Keyboard Data 6
9 Keyboard Data 7
10 Keyboard Data 8
11 Signal Ground
12 Data Strobe
13 Signal Ground
14 Not used
15 Not used
16 Switch Strobe
17 Not used
18 Not used
19 Debug
20 Signal Ground
21 Signal Ground
22 Signal Ground
23 +5VDC
24 +5VDC
25 Not used
26 Not used
Table 3-20
Serial I/O Connectors Pin Assignments
Pin # Pin # Pin #
Signal at A at B at C Remarks
-----------------------------------------------------------------
Frame Ground 1 1 1
SD 2 2 3 Send Data
RD 3 3 5 Receive Data
RS 4 4 7 Request to Send
CS 5 5 9 Clear to Send
DR 5 5 11 Data Set Ready
Signal Ground 7 7 13
CD 8 8 15
---------------------------------------------------
9 9 17 No Signal
10 10 19
11 11 21
12 12 23
13 13 25
14 19 2
---------------------------------------------------
ST2 15 20 4 Transmit Clock (TxC)
---------------------------------------------------
16 21 6
---------------------------------------------------
RT 17 22 8 Receive Clock
---------------------------------------------------
18 23 10
19 24 12 No Signal
---------------------------------------------------
ER 20 25 14 Data Terminal Ready
---------------------------------------------------
21 26 16
22 27 18 No Signal
23 28 20
---------------------------------------------------
ST1 24 29 22 Transmit Clock (RxC)
---------------------------------------------------
25 30 24 No Signal
---------------------------------------------------
NOTE: 'A' is at the modem connector
'B' is at the back panel connector - marked COMM
'C' is at the processor board header
Received on Fri Dec 26 1997 - 16:55:58 GMT