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Author Topic: IBM 5155 Portable Computer Keyboard  (Read 4035 times)

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Offline mcdonc

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IBM 5155 Portable Computer Keyboard
« on: Thu, 08 July 2010, 13:33:45 »
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Offline EverythingIBM

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IBM 5155 Portable Computer Keyboard
« Reply #1 on: Thu, 08 July 2010, 15:42:04 »
No it doesn't. Just a reconditioned XT. Unless you really like XT keyboards or still use a 5150/5155, there's no point of getting it. Unless it was like $10.
But the price it's at is decent.
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Offline microsoft windows

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IBM 5155 Portable Computer Keyboard
« Reply #2 on: Fri, 09 July 2010, 20:01:27 »
It's got a handy RJ45-AT adapter though which would be useful for terminal keyboards.
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Offline ch_123

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IBM 5155 Portable Computer Keyboard
« Reply #3 on: Tue, 13 July 2010, 06:38:13 »
RJ11, not RJ45.

There's also no guarantee that it uses the same pinout as the terminal keyboard.

Also -

Quote
Removed from a working IBM 5155 a while ago.

Although I have no way to test it, I've no reason to believe it wouldn't work.


Lolwut?
« Last Edit: Tue, 13 July 2010, 06:49:22 by ch_123 »
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Offline J888www

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IBM 5155 Portable Computer Keyboard
« Reply #4 on: Tue, 13 July 2010, 10:53:47 »
IIRC, that should be a 6 pin RJ11 rather than the usual 4 pin phone plug, also with fractional difference in size.

Sold already, I quite like the two tone colour, seems very very familiar, just can't recall where I've seen this colour scheme casing, alas the grey matter inside my cranium is disappearing fast.
« Last Edit: Tue, 13 July 2010, 10:59:36 by J888www »
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Offline kishy

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IBM 5155 Portable Computer Keyboard
« Reply #5 on: Tue, 13 July 2010, 11:11:52 »
Nah CH the terminal keyboards (which MW was referring to) do in fact use RJ45 (when they don't use the DIN connector).

I tested that by plugging an ethernet cable into the keyboard port on my InfoWindow II before I shipped it off to a new home.
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Offline ch_123

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IBM 5155 Portable Computer Keyboard
« Reply #6 on: Tue, 13 July 2010, 13:32:59 »
Well, you learn something new every day.... I always assumed that they were RJ11 because just about every RJ-style keyboard connector I've seen in RJ11.
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Offline mr_a500

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IBM 5155 Portable Computer Keyboard
« Reply #7 on: Fri, 08 July 2011, 13:55:28 »
This is an old thread, but... the 5155 does indeed use a 6 pin RJ11. I'm thinking of getting a Teensy board and a 6-pin RJ11 socket and making a USB adapter for it.

The thing is: why 6 pins? If the keyboard is basically an XT, then shouldn't it have 5 pins? What is the extra pin for? (and which pin is what?)
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