ps/2 wire definitions

Topochicho

Senior member
Mar 31, 2000
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got a ps/2 connector i want to use on an older motherboard. I have the pin definitions for the mother board and need to reset the pins on the ps/2 connector (the end that plugs into the motherboard not the other). My ohm meter is in hiding (I'm guessing some covert operation in south america... or wedged way in the back of the junk drawer, either way its gone), so I can't just do a continuity check. So for those hardware gurus.

I have red, yellow, green, and brown wires.

I need to match them up to Data, GRND, CLK, and VCC(power).

Or if you know the color to pin #s, then lets go by this definition.
 

VBboy

Diamond Member
Nov 12, 2000
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Go to your local bookstore and locate "Upgrading and Repating your PC", 10th or newer edition. That book has what you need, and more.
 

TunaBoo

Diamond Member
May 6, 2001
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<< Go to your local bookstore and locate &quot;Upgrading and Repating your PC&quot;, 10th or newer edition. That book has what you need, and more. >>



I have the 11th I think. I will run upstairs and get.

I will scan the pic if there is, wish I had a place to host it humm.. maybe I will ASCI art it.
 

TunaBoo

Diamond Member
May 6, 2001
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Got 12th

Not finding ps/2 pinouts. ANy ideas on what it would be called? Not under ps/2 or pins.
 

TunaBoo

Diamond Member
May 6, 2001
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Well a ps/2 is also known as 6 pin mini-din so I got it.

Keyboard data: pin 1
Ground: pin 3
+5V: pin4
Keyboard clock: pin 5
not connected: 2 and 6


Looking at a plug with the 2 pins horizontal on the bottom, bottom left pin is 1, left middle is 3, and top left is 5.
 

Topochicho

Senior member
Mar 31, 2000
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Thanks for the info, but what I'm looking for is to determine what color wire (at the other end) pin 1, 3, 4, &amp; 5 relate to. The PS/2 side is standardized, but the end that plugs into the mother board is not. I could tell what color pin one is if I had an ohm meter and touched a pin and then the wires at the other end until i found the one with continuity, but i don't...

My first guess would be that pin 4(the power pin) is the red wire, so what would the others be?
 

TunaBoo

Diamond Member
May 6, 2001
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If the ps/2 connector is standardized, then so would the jack. They have to line up, hence the reason for a standard.
 

Topochicho

Senior member
Mar 31, 2000
338
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mmmmm... I think we're on different wave lenghts here.
On one end of the ps/2 connector is the 6 pin mini-din ps/2 style plug that the mouse plugs into. From that plug runs 4 wires that end in another terminator wich plugs into the motherboard (once again... the motherboard is the older BabyAT style without onboard ps/2 connectors... what it does have is a ps/2 header that the seperately purchased adapter plugs into... problem is that the header configuration is not standard, so you must repin the terminator of the adapter to the same configuration as the header. Problem is that I cannot tell what pins on the 6 pin mini-din ps/2 style plug the wires connect to, so I need to know the color to pin coralation. IE: the red wire connects to pin 4 and is the power wire... the yellow wire connects to pin ? and is the ? wire.