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A500 USB keyboard interface
Moderators: terriblefire, Terriblefire Moderator
A500 USB keyboard interface
Hi,
I modified a design for a PS2 keyboard adapter to have a usb socket instead. Its possible due to the way sloppy older PC's bio's work
I would like to find a couple of people in the UK with a 500 & wireless keyboard to see if they work or not. Giving a couple away is
cheaper than buying them. It works fine for the three usb keyboards I have. PM me if interested
regards
I modified a design for a PS2 keyboard adapter to have a usb socket instead. Its possible due to the way sloppy older PC's bio's work
I would like to find a couple of people in the UK with a 500 & wireless keyboard to see if they work or not. Giving a couple away is
cheaper than buying them. It works fine for the three usb keyboards I have. PM me if interested
regards
- Attachments
-
- A500 usb keyboard adapter
- usb a500.jpg (22.19 KiB) Viewed 6741 times
Re: A500 USB keyboard interface
Happy to give it a try with the couple of A500s I have.
If it ain't broke, test it to Destruction.
Re: A500 USB keyboard interface
PM me your address
Re: A500 USB keyboard interface
Hi.
I can also offer to help.
I have some 500's and 4 different USB keyboards including 1 of those little handheld wireless ones popular with Rasberry Pi's.
I will drop you a PM.
Cheers
I can also offer to help.
I have some 500's and 4 different USB keyboards including 1 of those little handheld wireless ones popular with Rasberry Pi's.
I will drop you a PM.
Cheers
- 8 Bit Dreams
- Moderator Team

- Posts: 785
- Joined: Fri Nov 09, 2018 7:12 am
- Location: Germany
Re: A500 USB keyboard interface
I do have some wired and wireless USB keyboards like dell, logitech, Microsoft and some cheap brands also.
Will pm you
Will pm you
Retro computer hardware & repair in Germany
-
terriblefire
- Admin sponsor

- Posts: 5687
- Joined: Mon Aug 28, 2017 10:56 pm
- Location: Glasgow, UK
Re: A500 USB keyboard interface
This looks great. Its not something i have time to test though so i'll let other people have a shot.
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
Re: A500 USB keyboard interface
Thank you, whoever asked for one will get posted on monday. I've added the power
and floppy led's after somebody said it would save plugging in the keyboard when
repairing 500's.
Is there a list of keyboard pinouts for desktops? a few people with 1000's have asked
if it would work, from my understanding it should, I just need to put a RJ10 plug on it.
and floppy led's after somebody said it would save plugging in the keyboard when
repairing 500's.
Is there a list of keyboard pinouts for desktops? a few people with 1000's have asked
if it would work, from my understanding it should, I just need to put a RJ10 plug on it.
- Attachments
-
- A500 USB V2 LED
- USB keyboard adapter v2.jpg (32.3 KiB) Viewed 6639 times
Re: A500 USB keyboard interface
oh. I could really use one of these. But I'm in Canada. 
- 8 Bit Dreams
- Moderator Team

- Posts: 785
- Joined: Fri Nov 09, 2018 7:12 am
- Location: Germany
Re: A500 USB keyboard interface
Oh! i do have an A1000, will crimp an adaptor and test this! Will let You know results..Homer79 wrote: Sat Nov 23, 2019 2:44 pm
Is there a list of keyboard pinouts for desktops? a few people with 1000's have asked
if it would work, from my understanding it should, I just need to put a RJ10 plug on it.
Also CDTV, A2000, and A4000 may be tested
As about pinouts - here You go:
https://www.sacc.org/mouse-joy-keyb/a-keyboard.html
Retro computer hardware & repair in Germany
Re: A500 USB keyboard interface
They have all been posted today.
