Re: help: IIgs vs. modem!!

[progreen@ncw.net (Chuck Orem)]

Christopher Russell (crussell@cs.stanford.edu) wrote:

> Are there any tricks to configuring a IIgs to use a modem?

Nope.

> My friend (3000 miles away unfortunately) just received a IIgs computer. 

Cool. 

> He has the documentation, some system disks, a version of claris works and
> a 1200 bps hayes compatible modem.

I'm going to ASS-U-ME that you mean AppleWorks GS, AWGS was distributed 
by Claris. ClarisWorks is a Macintrash program.

Anyway, get rid of it, it's a memory hog and unreliable with the latest 
version of system software. The comm program sucks and only supports 
Xmodem file transfers and as I recall, you are stuck with TTY emulation,

> I don't know squat about a IIgs, but it is apparently a cross between a
> mac and a apple II.  The software seems very macos like.

Hrmmmph... I think I'll ignore that insult.

> Anyway, my friend cannot get the IIgs to talk with the modem.  He has done
> all the obvious things:  set the baud rate/comm settings in the "control
> panel" and the communications portion of the claris software.  We tried

Real GS comm programs bypass the control panel entirely, and access the 
serial port directly. 

> talk to the modem.  I am 99% sure he has the right cable, because the
> package said mac/iigs modem cable.

Here's is what a real GS modem cable should look like:

The important connections for your friend, seeing as he's at 1200 bps, 
are the TxD, RxD and GnD. Buy a cheap multimeter and verify the pinouts, 
you pry should have one around the house anyway.

Modemworks IIgs modem cable
     IIgs end                           Modem end
   (Male Mini-DIN 8)                   (Male DB-25)
HSKo    1------------------------------------4  RTS
                                         |
                                          --20  DTR
HSKi    2------------------------------------5  CTS
TxD-    3------------------------------------2  TxD
Gnd     4------------------------------------7  GnD
            |
RxD+    8---
RxD-    5------------------------------------3  RxD
TxD+    6--not connected
GPi     7------------------------------------8  DCD
        Shield-------------------------------1  Chassis Ground
 
 
Note: DCD line not required for Hi-Speed operation using ProTerm.
 
Mini DIN-8 (GS end) pin assignments, looking from the pin end of the
male connector:
 
6  7  8
3  4  5
 1  2
 
DB-25 (modem end) Pin assignments, looking from the pin end of the
male connector:
 
 _________________________________________
\  1  2  3  4  5  6  7  8  9 10 11 12 13 /
 \  14 15 16 17 18 19 20 21 22 23 24 25 /
  -------------------------------------

> Anyway... Anybody have any ideas?  

Finger my account, get the info on the modem disk I distribute, and send 
me $2. That'll give you all the utils your friend really needs to get 
started, and a real comm program (Zlink). If you friend still can't get 
going, after he:

a) Verifies his cable pinout, at least the 3 lines mentioned above.
b) Gets Zlink, 'cause I'm not going to waste my time trying to 
troubleshoot, using a program I don't even own anymore.

Then my phone number will be with the disk, and he can call me for help.

> If somebody was really generous they could help my buddy over the phone --

See above.

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