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re: modem/DUN? inoperative
Wednesday, March 19, 2008 at 8:12 pm
Windows 98 Annoyances Discussion Forum
Posted by ancien (16 messages posted)


Thanks for your reply. It helps. C K makes good points also, especially since the 
modem was working and appeared to fail. 

The original modem is a 28.8 right? Is it worth resurrecting? You could use an external 
with an independent DSP thru the serial port and get better performance. It would 
take some of the load off the Pentium II 166 CPU.

Win98 has built in drivers for VoiceView type modems 9600, 14400, 19200, 28800. You 
could try a fresh manual install, as an added modem, checking the do not detect box, 
and choosing your modem from the list. That might resolve the driver question raised 
by C K. 

Sometimes software just seems to get stuck or confused. VoiceView modems have a voice 
mode and a data mode. A list of commands supported will be in the registry from the 
original install at

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\Modem

Highlight the key for the internal modem, probably 0001, in the left pane and there 
will be information about the modem in the right pane, including the .inf file name.

Below each key are subkeys. The Init subkey gives the initialization string that 
is being sent to the modem each time you make a connection. Other subkeys are AT 
commands. You can use Win98 utility HyperTerminal to send commands directly to the 
modem and see if it responds, or add a command to the Extra Settings area of the 
Advanced Connection Settings dialog box to force data mode after initialization, 
for example.
  






On Wednesday, March 19, 2008 at 10:17 am, john wrote:
>Thanks for your very exhaustive reply which, although not solving my problem, does
>explain a lot of the arcane stuff behind the scenes. Answers to your specific questions
>are:
>1. Yes, it did work at one time.
>2. Yes, it does say that the modem has no problems.
>3. DeviceManager shows it works fine.
>4. Sys.info shows it works fine.
>
>Because of all the positives I thought there may be a simple solution, which is why
>I submitted it to the forum. Guess I'll have to revise my thinking.
>
>A brief history might be in order:
>Originally came with Win95 which was upgraded to Win98SE some years ago (I love this
>machine which is the only W98 I have and I prefer it to my other machines with later
>OS's). When the modem (or DUN) gave up on me I used a PC fax/modem card from Gentech,
>but because of the poor quality of the cable connection to the card it broke off.
>Which is why I started thinking of pursuing the original internal modem and hence
>my resort tothe forum.
>Again, thanks for your informative comments which are much appreciated.
>John



Written in response to:
re: modem/DUN? inoperative (john: Wednesday, March 19, 2008 at 11:17 am)

Responses to this message:
*re: modem/DUN? inoperative (john: Friday, March 21, 2008 at 8:16 pm)

All messages in this thread [show all]
-modem/DUN? inoperative (john: Tue, Mar 18, 2008, 5:29 pm)
-re: modem/DUN? inoperative (ancien: Wed, Mar 19, 2008, 11:07 am)
-re: modem/DUN? inoperative (john: Wed, Mar 19, 2008, 11:17 am)
*re: modem/DUN? inoperative (C K: Wed, Mar 19, 2008, 12:12 pm)
-re: modem/DUN? inoperative (ancien: Wed, Mar 19, 2008, 8:12 pm)
-re: modem/DUN? inoperative (john: Fri, Mar 21, 2008, 8:16 pm)
*re: modem/DUN? inoperative (ancien: Sat, Mar 22, 2008, 2:32 am)
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