KOALA PAD: change 16-pin plug for db9 nine pin plug ??

[sebugg@presby.edu (Stephen Buggie)]

sebugg@presby.edu                                           Feb 12 1994

              ATTACHING A DB-9 9-PIN PLUG TO  KOALA DRAWING TABLET
                    FOR USE WITH APPLE IIC COMPUTER


I have obtained a KOALA PAD drawing board.  This is a flat trablet, 8" x 8",
which plugs into  the 16-pin IC-socket style "game port" connector on the
motherboard of the IIe or II+.

I have several Apple IIc computers and a IIe, all of which have the db-9
nine pin port connector on the back panel.  Even when used with the IIe,
the nine pin joystick port is more convenient than using the 16-pin
motherboard
game-port connector.  That 16-pin IC socket is hard to reach because my IIe
board is filled with interface cards.  Also, I fear that a pin could break off
16-pin male connector of the Koala pad.

I have several broken Apple joysticks that have db-9 nine pin plugs.  I
wish to
attach the Koala Pad to one of these nine pin cords.  Rather than to make a
messy solder connection, I wish to open the Koala Pad and attach the db-9 cord
directly to the relevant connecting points.

QUESTIONS:

1) Are there any complicatioons in opening the casing of the Koala Pad?  Will
springs, etc. fly out?  Will it be hard to reassemble?

2) Are the color-codings of the wires in the Koala Pad consistent with the
color codes for the Apple brand db-9 joystick?  If the color codings are
inconsistent, what are the mappings (Which wires in the cord attach to which
others in the Koala Pad?

Advice will be appreciated!  I will acknowledge all e-mail messages.

Stephen Buggie     sebugg@preesby.edu


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 ** Stephen Buggie, 410 Chestnut St., Clinton SC 29325    Apple IIe/IIc **
 ** sebugg@presby.edu                 voice: (803) 833-8337 or 833-1632 **
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