Re: Hi-Speed Modems and //c

[c8922369@jupiter.newcastle.edu.au (Leon James Garde)]

c8922369@jupiter.newcastle.edu.au (Leon James Garde) writes:

>dratzlaf@nyx.cs.du.edu (Norby) writes:


>>Since it seems that high-speed modems require hardware handshaking to
>>operate properly, am I correct in assuming my //c will not properly handle
>>a 9600 bps modem?  Ya know, with my crippled little 5-pin serial port and
>>all...


>I have the 6551  pinouts,   what should I do to connect a 25 pin to the chip 
>direct ?

in answering my own question, I looked at my //c's board.
the 4 serial port wires connect the AMI S6551P chips, through 
SIB and SOB, assumably for serial input buffer and serial output buffer.

what are MC1488 (sob) and MC1489 (sib) ??? what do they do ?

leon


>leon