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(SOLVED) PCCHIPS M590 - PS/2 mouse connector pinout

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First post, by kotel

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Hi,

Anybody found the pinout for J3 "ATX form connector" bracket? All I need is the PS/2 mouse functionality and no other USB/IrDA.

Last edited by kotel on 2025-07-10, 16:20. Edited 1 time in total.

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

Reply 1 of 4, by analog_programmer

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I have a clone of PCChips M571 v.3.2A and it has similar (if not same) "ATX form card connector" (combined USB, PS/2 and IR headers). You can try this pinout.

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Reply 2 of 4, by kotel

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Alright, I'll try it. Hopefully the pinout matches.

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

Reply 3 of 4, by kotel

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analog_programmer wrote on 2025-07-09, 19:47:

I have a clone of PCChips M571 v.3.2A and it has similar (if not same) "ATX form card connector" (combined USB, PS/2 and IR headers). You can try this pinout.

Thank you! It works!
Now if I would want to I can also add USB functionality onto this board. But pretty much all of the usb disks I own don't play nice with 9x. Even with the NUSB driver......

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

Reply 4 of 4, by analog_programmer

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Nice to see it worked. Socket 7 PCChips mobos usually share their own proprietary standard for these audio, PS/2, USB and IR connectors.

I don't see much use for USB 1.x on this board, but there are some working DOS (USBASPI.SYS + DI1000DD.SYS) and win 9x (I'm not sure if NUSB will work on win95 OSR2.x, but there are other options) drivers for flash drives you can try.

The word Idiot refers to a person with many ideas, especially stupid and harmful ideas.
This world goes south since everything's run by financiers and economists.
This isn't voice chat, yet some people overusing online communications talk and hear voices.

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