Author Topic: Troubleshoot help: IBM Model M '91 or PS/2 failing?(Solved)  (Read 1140 times)

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Offline Aliecake

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Troubleshoot help: IBM Model M '91 or PS/2 failing?(Solved)
« on: Mon, 10 June 2019, 14:39:23 »
TLDR: How can I troubleshoot malfunctioning keyboard to see if it needs repair or PS/2 serial is failing on computer

Im an owner of a circa 1991 Model M PS/2 connection. Ive owned it for 17+ years and have never had a problem until today.

My CPU(about 3 years old) has a PS/2 serial port. I lost my PS/2 to usb adapter 10 or so years ago.

Keyboard was unresponsive this morning. After a restart, it worked again.
However, throughout the day computer beeps once then keyboard goes unresponsive again. I dont believe its losing power(most recent episode num lock light stayed on).

ONE time, computer beeped more than once (3 times? I didnt get an exact count) before going unresponsive. All other times its been 1 beep.

Anyone have any ideas how to troubleshoot it to figure out if its my port or my keyboard? Any suggestions are much appreciated.
« Last Edit: Mon, 10 June 2019, 15:53:22 by Aliecake »

Offline Aliecake

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Re: Troubleshoot help: IBM Model M '91 or PS/2 failing?
« Reply #1 on: Mon, 10 June 2019, 15:52:00 »
Wanted to update instead of just deleting in case anyone else runs into this issue.

Pretty sure its my PS/2 serial port failing/shorting. Found my other model M and it did the same thing after about 30minutes.

Ordered a new active adapter.