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Author Topic: Any Clue what connector this is?  (Read 2006 times)

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Offline Vocroth

  • Thread Starter
  • Posts: 37
Any Clue what connector this is?
« on: Wed, 28 September 2011, 09:24:44 »
Hello, got myself a olivetti keyboard for 5€ today and I don't know what kind of connector it has


Since my Camera doesn't give good close up pictures, I'll try to draw it

[ Attachment Invalid Or Does Not Exist ] 27479[/ATTACH]

it kinda looks like a DIN connector, But I'm not really sure


Any Ideas how I could use it on my computer? I got PS/2 input aswell
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Offline N8N

  • Posts: 795
Any Clue what connector this is?
« Reply #1 on: Wed, 28 September 2011, 09:29:15 »
is it larger than a PS/2 connector but similar looking?  Might be an AT connector.  If that is the case you just need an AT to PS/2 adapter, they're electrically compatible, it's just a passive adapter.

If the board is XT (uses same connector as AT) you're hosed :(
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Offline Vocroth

  • Thread Starter
  • Posts: 37
Any Clue what connector this is?
« Reply #2 on: Wed, 28 September 2011, 09:32:04 »
it's same looking as PS/2 connector, and even fit's in my ps/2 input, just doesn't work

how do i check if it's XT?
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Offline N8N

  • Posts: 795
Any Clue what connector this is?
« Reply #3 on: Wed, 28 September 2011, 09:33:36 »
I don't think anyone ever made a keyboard w/ XT protocol with small connector like PS/2.  I could of course be wrong though.  Not sure what the issue is now.

I'm not sure if an ADB connector would physically plug into a PS/2 port; they look kinda similar.  But I don't know if Olivetti made any keyboards for Apple?
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Filco Majestouch-2 with Cherry Corp. doubleshot keys - Leopold Tenkeyless Tactile Force with Wyse doubleshots - Silicon Graphics 9500900 - WASD V1 - IBM Model M 52G9658 - Noppoo Choc Pro with Cherry lasered PBT keycaps - Wyse 900866-01 - Cherry G80-8200LPBUS/07 - Dell AT101W - several Cherry G81s (future doubleshot donors) (order of current preference) (dang I have too many keyboards, I really only need two)

Offline Soarer

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  • Location: UK
Any Clue what connector this is?
« Reply #4 on: Wed, 28 September 2011, 09:33:50 »
It looks like PS/2, just with the unused pins missing. No idea why it wouldn't work - maybe it's just a dead keyboard :(
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Offline Vocroth

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  • Posts: 37
Any Clue what connector this is?
« Reply #5 on: Wed, 28 September 2011, 09:43:09 »
hmm, scroll lock and so on blinks up at start and just goes off again
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Offline Soarer

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  • Location: UK
Any Clue what connector this is?
« Reply #6 on: Wed, 28 September 2011, 09:46:07 »
Well that means the power pins are the same as PS/2 at least. And it has LEDs, so it's not XT.

Have you rebooted your computer with it attached? That might be needed to wake up the PS/2 port.
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Offline duncan

  • Posts: 184
Any Clue what connector this is?
« Reply #7 on: Wed, 28 September 2011, 09:56:38 »
Yep PS/2 is not 'plug and play' like USB so you will need a reboot after plugging a PS/2 board in before it will be recognised.

Apologies if you already knew that.
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Offline blert

  • Posts: 43
  • Location: Tejas, Estados Unidos
Any Clue what connector this is?
« Reply #8 on: Wed, 28 September 2011, 10:01:39 »
Related newbie question -- is there such a thing as an AT to USB adapter?  Alternately, does an AT -> PS/2 -> USB adapter chain work?  (Stupid new computers with their usb-only-ness.)
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Offline Vocroth

  • Thread Starter
  • Posts: 37
Any Clue what connector this is?
« Reply #9 on: Wed, 28 September 2011, 10:04:24 »
Alright so I restarted my computer and It's working like a charm

I cleaned it very carefully when I got it and it's almost like new

The typing feels really awesome aswell, best rubber dome I ever had
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Offline Findecanor

  • Posts: 5082
  • Location: Koriko
Any Clue what connector this is?
« Reply #10 on: Wed, 28 September 2011, 10:33:06 »
Nice! If it is a good rubber dome, please post a picture of it and the model number!
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Offline N8N

  • Posts: 795
Any Clue what connector this is?
« Reply #11 on: Wed, 28 September 2011, 10:41:31 »
Quote from: blert;422680
Related newbie question -- is there such a thing as an AT to USB adapter?  Alternately, does an AT -> PS/2 -> USB adapter chain work?  (Stupid new computers with their usb-only-ness.)


I don't believe that there is anything off the shelf that will go directly from an AT connector to a USB...  but since AT and PS/2 are for all intents and purposes the same thing save for the connector, the chain works fine.  Just make sure you get a *good* PS/2 to USB adapter to avoid weirdnesses.  (AFAIK there is no 100% perfect adapter on the market, but the Belkin one recommended in the wiki is pretty good.  I have not tried the "blue cube."  ZioTek also works well except for Pause/Break.  Whatever is on the shelf at your local computer sellin' emporium is probably crap.)

Quote from: Vocroth;422685
Alright so I restarted my computer and It's working like a charm


yeah, didn't think to mention that.  PS/2 *usually* hot swaps OK but it is not part of the spec and is not guaranteed to do so.  It's also not a recommended procedure.
« Last Edit: Wed, 28 September 2011, 10:44:11 by N8N »
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Filco Majestouch-2 with Cherry Corp. doubleshot keys - Leopold Tenkeyless Tactile Force with Wyse doubleshots - Silicon Graphics 9500900 - WASD V1 - IBM Model M 52G9658 - Noppoo Choc Pro with Cherry lasered PBT keycaps - Wyse 900866-01 - Cherry G80-8200LPBUS/07 - Dell AT101W - several Cherry G81s (future doubleshot donors) (order of current preference) (dang I have too many keyboards, I really only need two)

Offline blert

  • Posts: 43
  • Location: Tejas, Estados Unidos
Any Clue what connector this is?
« Reply #12 on: Wed, 28 September 2011, 12:33:32 »
Thanks, N8N -- I have a couple AT to PS/2 adapters in a box since I was around during that transition, but only recently learned (via this forum) that not all PS/2 to USB adapters are the same.
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Offline Vocroth

  • Thread Starter
  • Posts: 37
Any Clue what connector this is?
« Reply #13 on: Wed, 28 September 2011, 15:49:19 »
will post model tomorrow when i wake up
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Offline BiNiaRiS

  • Posts: 486
Any Clue what connector this is?
« Reply #14 on: Wed, 28 September 2011, 18:50:59 »
Quote from: N8N;422720
yeah, didn't think to mention that.  PS/2 *usually* hot swaps OK but it is not part of the spec and is not guaranteed to do so.  It's also not a recommended procedure.

I've found that as long as something i plugged in when i first boot my comp, I can hot swap easily. But if I boot my computer with no PS2 keyboard connection, I need a reboot. Must be some way it powers the connection or something...doesn't see anything there so it turns it off or something.
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