IBM 5140 - schematics?
Anders Nelson
anders.k.nelson at gmail.com
Tue May 29 10:11:39 CDT 2018
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
www.erogear.com
On Sun, May 27, 2018 at 2:10 PM, Michael Brutman <mbbrutman at brutman.com>
wrote:
> 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 a modern network.
>
> Using it as a terminal is cute. Running telnet on it natively and playing
> Netris is cool. :-)
>
> On a slightly different topic, the tech ref describes the interface to the
> LCD screen. I have a few bad LCD screens - they have lines through them.
> I've thought about trying to debug them, but the thought of just replacing
> them outright with newer tech that can do color is really appealing too.
> (The original screens are LCDs, sometimes with a backlight option. But
> they can do greyscale, so detecting the levels and doing color should be
> feasible.)
>
> On Sat, Apr 28, 2018 at 7:57 AM, Anders Nelson via cctalk <
> cctalk at classiccmp.org> 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 internal header with RS232 or
>> whatever?
>>
>> =]
>> --
>> --
>> Anders Nelson
>> +1 (517) 775-6129
>> www.erogear.com
>>
>
>
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