Path: news.uiowa.edu!news.physics.uiowa.edu!math.ohio-state.edu!howland.erols.net!news.mathworks.com!uunet!in3.uu.net!munnari.OZ.AU!metro!metro!wabbit.its.uow.edu.au!wabbit.its.uow.edu.au!not-for-mail From: david@wraith.cs.uow.edu.au (David E A Wilson) Newsgroups: comp.sys.apple2 Subject: Re: Apple //e keyboard connector Date: 13 Oct 1996 13:47:47 +1000 Organization: University of Wollongong, NSW, Australia. Lines: 71 Message-ID: <53pop3$mnk@wraith.cs.uow.edu.au> References: <325D4567.5F78@inm.uni-sb.de> NNTP-Posting-Host: wraith.cs.uow.edu.au X-Newsreader: NN version 6.5.0 #5 Andreas Schu writes: >I need a wiring diagram of the two keyboard connectors of the mainboard >of an apple //e. I would be very happy if someone could post it or mail >it, or at least indicate where to find it in the internet, because I >still didn't succeed in finding it there. The two places I found the following information are: Apple II Reference Manual For //e only [part # 030-0357-A spiral bound] Understanding the Apple IIe by Jim Sather [Brady/Quality Software ISBN 0-8359-8019-7 ] The latter is more useful as it gives you the matrix of switches as well. J16 (Numeric Pad) J17 (Keyboard) 11 X5 X6 26 25 Y7 10 X6 SHFT* 24 23 Y6 9 X4 Y9 22 21 X4 8 X7 X3 20 19 X5 7 n/c X1 18 17 X7 6 Y5 X2 16 15 RESET* 5 Y2 X0 14 13 GND 4 Y4 Y8 12 11 CNTL* 3 Y3 Y5 10 9 CAPLOCK* 2 Y1 Y4 8 7 SW0/OAPL 1 Y0 Y3 6 5 SW1/CAPL Y2 4 3 +5v Y1 2 1 Y0 Main Keyboard Numeric Keypad X0 X1 X2 X3 | X4 X5 X6 X7 ------------------------------------+-------------------------------- Y0 ESC TAB A Z | / ) * ESC | Y1 1! Q D X | DOWN UP LEFT RIGHT | Y2 2@ W S C | 0 4 8 ( | Y3 3# E H V | 1 5 9 - | Y4 4$ 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