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Re: Apple //e keyboard connector

Andreas Schu <schu@inm.uni-sb.de> writes:
>I need a wiring diagram of the two keyboard connectors of the mainboard
>of an apple //e. I would be very happy if someone could post it or mail
>it, or at least indicate where to find it in the internet, because I
>still didn't succeed in finding it there.

The two places I found the following information are:

Apple II Reference Manual For //e only [part # 030-0357-A spiral bound]
Understanding the Apple IIe by Jim Sather [Brady/Quality Software ISBN
0-8359-8019-7 ]

The latter is more useful as it gives you the matrix of switches as well.

J16 (Numeric Pad)	J17 (Keyboard)
11	X5		X6	26 25	Y7
10	X6		SHFT*	24 23	Y6
9	X4		Y9	22 21	X4
8	X7		X3	20 19	X5
7	n/c		X1	18 17	X7
6	Y5		X2	16 15	RESET*
5	Y2		X0	14 13	GND
4	Y4		Y8	12 11	CNTL*
3	Y3		Y5	10 9	CAPLOCK*
2	Y1		Y4	8  7	SW0/OAPL
1	Y0		Y3	6  5	SW1/CAPL
			Y2	4  3	+5v
			Y1	2  1	Y0

	Main Keyboard			Numeric Keypad
	X0	X1	X2	X3  |	X4	X5	X6	X7
------------------------------------+--------------------------------
Y0	ESC	TAB	A	Z   |	/	)	*	ESC
				    |
Y1	1!	Q	D	X   |	DOWN	UP	LEFT	RIGHT
				    |
Y2	2@	W	S	C   |	0	4	8	(
				    |
Y3	3#	E	H	V   |	1	5	9	-
				    |
Y4	4$	R	F	B   |	2	6	.	RETURN
				    |
Y5	6^	Y	G	N   |	3	7	+	,
				    +----------------------------------
Y6	5%	T	J	M	\|	`~	RETURN	DELETE

Y7	7&	U	K	,<	+=	P	UP	DOWN

Y8	8*	I	;:	.>	0)	[{	SPACE	LEFT

Y9	9(	O	L	/?	-_	]}	'"	RIGHT

Notes:
1)	This is the US layout
2)	Early //e keyboard ROMs had ? LEFT ESC RIGHT SPACE replacing
	the ESC DOWN UP LEFT RIGHT in the numeric keypad section of the
	above diagram
3)	If you want more details such as the influence of the Control and
	CAPS LOCK keys or the DVORAK layout see pages 7-16 and 7-17
	of Jim Sather's Understanding the Apple IIe.
4)	Unlike the ][ & ][+, the //e keyboard is completely passive with
	the decoder chip located on the motherboard.
5)	The +5v connection is to run the power light and the Open/Closed
	Apple switches.
6)	The SHIFT, CONTROL, CAPSLOCK and RESET switches simply ground the
	appropriate pin of the connector (RESET via the CTRL line if the
	jumpers are in the standard setting).

Feel free to add this to the FAQ or any online reference archive.
-- 
David Wilson	Dept CompSci Uni Wollongong Australia	david@cs.uow.edu.au