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Tempest

PS/2 Keyboard Interface?

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Posted (edited)
14 hours ago, Tempest said:

Any updates?  I keep forgetting about this.

I got real busy with work and will be ordering boards next day or so (hopefully).  I wanted to finish a couple of designs up on other boards so I can order more than one batch.

 

I did get the power connectors in finally and was able to match them up correctly to the 99/4A power supply and motherboard connectors.  So I chose wisely!

 

 

 

 

Edited by Shift838
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9 hours ago, Shift838 said:

I got real busy with work and will be ordering boards next day or so (hopefully).  I wanted to finish a couple of designs up on other boards so I can order more than one batch.

 

Oh no hurry, I just dont want to forget about this.   

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14 hours ago, Tempest said:

Oh no hurry, I just dont want to forget about this.   

Test boards ordered...

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On 4/14/2021 at 7:11 AM, Tempest said:

Oh no hurry, I just dont want to forget about this.   

boards have been shipped.  should be here sometime next week.  as soon as they get here i'll put one together and test.

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You know, with an F18A and a PS/2 adapter, one could run a TI across an IP-KVM.

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33 minutes ago, OLD CS1 said:

You know, with an F18A and a PS/2 adapter, one could run a TI across an IP-KVM.

That's exactly what I plan on doing.  :)

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On 4/20/2021 at 7:29 PM, Tempest said:

That's exactly what I plan on doing.  :)

PCB's came in.  going to put one together and make sure it works.  

 

 

ti99-USBKV2-prod.jpg

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On 4/20/2021 at 7:29 PM, Tempest said:

That's exactly what I plan on doing.  :)

I finally got around to testing it.  Besides getting a label wrong of which was pin #1 for the keyboard connector, all works!

 

One end of a cable connects to the main power supply connector, female to female.  The other end connects from the female dongle on the mother board to a  female to male cable.

 

No soldering required!

 

 

final.jpg

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30 minutes ago, Tempest said:

Nice!  I can't wait.

To get the traces to work for the size i needed I had to make the board a little bigger than I originally wanted, but it will work.

 

With the custom cable assemblies of course added to the price.  I am estimating an assembled board with cables ready to go to be around $85 to $90 USD

 

 

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On 5/2/2021 at 7:52 PM, Shift838 said:

I finally got around to testing it.  Besides getting a label wrong of which was pin #1 for the keyboard connector, all works!

 

One end of a cable connects to the main power supply connector, female to female.  The other end connects from the female dongle on the mother board to a  female to male cable.

 

No soldering required!

 That's a real beautiful solution!

 

 

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