IBM 5140 - schematics?

[Paul Berger]

On 2018-04-28 5:00 PM, Bill Degnan via cctalk wrote:
>> 6280655_PC_Convertable_Technical_Reference_Volume_1_Feb86.pdf
>>
>> which I think I got from Bitsavers. Page 46 and following of that .pdf
>> (page 2-37 and following of the original manual) give the pinout and
>> signals on the 'I/O Channel connector' which I think is the one you
>> are asking about. Looks to be pretty much the 8 bit ISA bus
>> signals.
>>
>> It's a 72 pin connector, good luck in finding something to fit it!
>>
>> -tony
>>
> Surprised there is no regular rs232 port
>
There is an add on serial/parallel port that has a standard RS-232 port, 
they are pretty common.

Paul.