ACE Key codes (xx2247 etc.)

Mike Stein mhs.stein at
Thu Feb 25 17:27:28 CST 2016

----- Original Message ----- 
From: "Jay West" <jwest at>
To: <cctalk at>
Sent: Thursday, February 25, 2016 3:28 PM
Subject: ACE Key codes (xx2247 etc.)

> The decoding of the DEC PDP XX2247 keys has been discussed, but I have not
> yet seen decoding for others.

> Are there other common systems that used Ace keys that we should document
> besides XX2247, XX2065, and XX2946? I should probably toss up a quick
> website under classiccmp if so.

Cromemco: XX4306

FWIW, they also used a couple of higher-security non-Ace keys, flat with dimples in the side.

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