PS/2 to Microsoft Serialmouse Adapter Converter

Discussion about old PC hardware.

Re: PS/2 to Microsoft Serialmouse Adapter Converter

Postby root42 » 2018-9-16 @ 20:03

Ok, I finally got around to testing my board. When I plug in a 9V center ground power supply, I simply get a blinking red LED after some seconds. Is that some kind of failure mode? No activity when I move the mouse...

https://youtu.be/Y0_UWAH6z7I

The PSU is a Roland 9V 2A, so plenty of juice available... Or does it actually need the 12V from the ATX power supply? Avrdude said everything flashed just fine...
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Me playing games on my 286 and on my Sega MD2 on Twitch
80286@12 MHz, 2 MiB RAM, Tseng ET4000 1 MiB, schlae AdLib, XT CF Lite, OSSC 1.6
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Re: PS/2 to Microsoft Serialmouse Adapter Converter

Postby root42 » 2018-9-17 @ 20:37

Got it working thanks to a hint from matze:

avrdude -c usbasp -p t2313 -U lfuse:w:0xfd:m -U hfuse:w:0xdf:m -U efuse:w:0xfe:m
avrdude -c usbasp -p t2313 -U flash:w:ps2adapter-noboot-tiny2313.hex

Probably I flashed the firmware wrongly. Now I will test the adapters on the machine. Will post a video later...
My ramblings on YouTube
Me playing games on my 286 and on my Sega MD2 on Twitch
80286@12 MHz, 2 MiB RAM, Tseng ET4000 1 MiB, schlae AdLib, XT CF Lite, OSSC 1.6
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root42
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Re: PS/2 to Microsoft Serialmouse Adapter Converter

Postby root42 » 2018-9-18 @ 07:26

And here is the video of the whole project:

https://youtu.be/py9QuBnTWds

It was a lot of fun! Thanks!
My ramblings on YouTube
Me playing games on my 286 and on my Sega MD2 on Twitch
80286@12 MHz, 2 MiB RAM, Tseng ET4000 1 MiB, schlae AdLib, XT CF Lite, OSSC 1.6
User avatar
root42
Member
 
Posts: 433
Joined: 2018-1-27 @ 13:23

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