Re: Going MAD : IIGS <-> PC Null modem

[mjmahon@aol.com (Michael J. Mahon)]

Zouplaz pouet@pouet.com wrote:

>I'he been fighting hours trying to setup a connection via a serial line 
>from my IIGS to my PC/Linux box.
>
>Datas goes from the IIGS to Linux (using minicom) but nothing goes from 
>Linux to the GS.
>
>Few months ago I've done the same test with windows 2000 and procuded the 
>same phenomenom.
>
>I don't know what to do, the only cables I own haves plastic glued 
>minidin  connectors that I can't open without destroying them. Only the 
>DB25 side is opened and I can see the solders.
>
>The cable I'm using is configured like that :
>
>MinDin         DB25
>1 (HsKo) <--> 5 (CTS)
>2 (HSKi) <--> 4 (RTS)
>3 (TxD-) <--> 3 (RxD)
>4 (GND)  <--> 7 (SG)
>5 (RxD-) <--> 2 (TxD)
>
>7 (GPi) Unconnected
>4,8 (GND,RxD+) not connected each others

Perhaps the PC is not sending because it's not getting DTR
from the IIgs, or another handshake line needs to be wired
true.  It is easy to get the handshaking setup on the two
computers configured incompatibly.

-michael

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