Re: Global Village 14.4 Teleport Gold II and the IIgs

[dempson@actrix.gen.nz (David Empson)]

Mark Piazza <piazza@servtech.com> wrote:

> I have a Global Village 14.4 modem (Teleport Gold II).  The manual says it
> will work on any Macintosh, the bottom of the modem says it's for Performas,
> and I can't plug it into any Mac but a Power Mac and compatibles.
> The mini-din connector has one more pin than the 8pin port on Macs and the
> iigs.

That means it requires a GeoPort-compatible Macintosh.  The ninth pin
provides power to the modem.

> Also, there is a keyed piece of mettle preventing the plug from going into
> the port, unlike the one that most cables for the modem port has.

I assume this is also part of the GeoPort interlock mechanism, to
prevent the plug from being damaged if you try to plug it into an
incompatible port.

> Is there any way to modify the modem?

You would have to remove the piece of metal and the ninth pin.  It is
probably easier to open the modem up, desolder the cable at the modem
end (noting where all the signals go) and replacing it with a standard
Mini-Din-8 cable.  You would also need to provide a +5VDC power supply
from somewhere (one option would be to build an ADB pass-through
connector, with the +5V line taken out to the modem).

-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P.O. Box 27-103, Wellington, New Zealand