Re: IBM 5140 - schematics?

Hey Mike, thanks for the suggestion! I found an eBay auction for TWO of these serial/parallel add-ons plus a 128K RAM card. If I buy this, would anyone like to take the second unit off my hands? I have one 5140 and I intend to keep it that way. =] -- Anders Nelson +1 (517) 775-6129

Re: IBM 5140 - schematics?

Forgive me for replying to a nearly month-old post. You definitely want the "serial/parallel" slice option. They are relatively cheap on eBay. Besides all of the goodness of the serial port, you can also get a Xircom PE3-10BT Ethernet adapter that attaches to the parallel port and connect it to

Re: IBM 5140 - schematics?

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'

Re: IBM 5140 - schematics?

> > 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

Re: IBM 5140 - schematics?

On Sat, Apr 28, 2018 at 3:57 PM, Anders Nelson via cctalk wrote: > Hey all, > > I have an IBM 5140 portable with a printer but I'd really like to use it as > a terminal among other things. Any chance there's documentation available > for that Centronics connector or another

IBM 5140 - schematics?

Hey all, I have an IBM 5140 portable with a printer but I'd really like to use it as a terminal among other things. Any chance there's documentation available for that Centronics connector or another internal header with RS232 or whatever? =] -- -- Anders Nelson +1 (517) 775-6129