Atari modem

From: Doug Spence <ds_spenc_at_alcor.concordia.ca>
Date: Fri May 7 06:19:33 1999

Greetings,

I picked up a rather interesting 8-bit Atari system a while back.

It is an Atari 130XE with 1050 floppy drive and a modem.

What makes this system interesting is that it has been designed to be more
portable. The 130XE's power supply, 1050's power supply, and modem, are all
in a grey sheetmetal box, and the 1050 is bolted to the top. There is a large
carrying handle on the front of the box, two illuminated power switches, a
large unused red lamp, and an LED that is connected to the modem.

On the back of the box is the power cord connector, a 7-pin DIN socket for the
130XE's power connection, a 15-pin D connector, and an unused 9-pin D
connector. The telephone cable feeds through the crack between the box's lid
and its side, and the power connector for the drive is fed through a hole
drilled in the back.

14 pins of the 15-pin connector are wired up inside, so it looks like the
modem is supposed to connect to the "Expansion" connector on the back of the
130XE (14-pin edge connector). Of course, whatever cable connected the
computer to the modem has been lost (it was a Salvation Army find, so I was
extremely lucky to get the power cable and SIO cable).

The major part on the modem board is an NEC D80C48C. The board has the Atari
logo etched on it. There appears to be only 8 actual connections to the
board.

Does anyone know what kind of modem this is? And which contacts should be
wired to which contacts on the Expansion port?

Thanks.


-- 
Doug Spence
ds_spenc_at_alcor.concordia.ca
http://alcor.concordia.ca/~ds_spenc/
Received on Fri May 07 1999 - 06:19:33 BST

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