chips on an old modem

[Tonyo]

hi

I found a really old modem (seems to be 1988)

And i'ld like to identificated the different chips on ... (function, speed,...)

here are some photo ...

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3-
This one is here : http://www.cpu-collection.de/?skn=1&show=cpu&tn=1&lev0=company&lev1=Rockwell&lev2=6501#R6501AQ

4-

5-

6-

7-

8-

9-

thx

[Elar]

Am7910 - 1200 baud FSK modem, description: http://www.chscene.ch/ccc/habi1/102_fsk_modem.html
NS16450 - async serial controller, same as PC serial port
HY6264 - 8KB static RAM
R5325, R5310, 10464 - Rockwell modem chip set, probably 2400 baud

[gshv]

More information about R6501: it's a 6502-compatible microcontroller with 64 bytes RAM, 2 KB ROM, internal clock oscillator, and extra circuitry (counter, 32 I/O lines, etc).

Gennadiy

[Tonyo]

thx

more photo

http://www.cpu-collection.com/upload/10.jpg

http://www.cpu-collection.com/upload/11.jpg

http://www.cpu-collection.com/upload/12.jpg

http://www.cpu-collection.com/upload/13.jpg