Apple2 keyboard connector pinout

[Artur Jasowicz <arturj@interaccess.com>]

I am looking for as detailed as possible info on 16 pin keyboard socket
on the AppleII main logic board. I don't have keyboard for it, designed
my own interface to connect IBM-XT keyboard, but need more info.
Here is what I have so far:
Pin Usage
 1   +5V
 2   Strobe
 3   ?
 4   ?
 5   D5
 6   D4
 7   D6
 8   GND
 9   D7
10   D2
11   D3
12   D0
13   D1
14   ?
15   -12V
16   ?
 
Any corrections/additions welcomed. Look at my web page if you are
interested in interfacing IBM keyboard to AppleII
 
--
--              Artur Jasowicz              --
--            Digital Consulting            --
--          arturj@interaccess.com          --
-- http://homepage.interaccess.com/~arturj/ --