Modem or Com Ports?

[suv20]

PLEASE HELP ME!

I have a problem in my D-Link external modem. First it was properly installed and properly queried or configured. But when i try open my dial up connections and connect i recieve an error # 629 stating - "You have been disconnected to the computer youre dialing please try again later." This message appear in a second even if the phone is not connected to the modem. I try to installed to another PC and it works perfectly. I cant the problem on my PC please help me. Thanks.

[ski]

Check here for a possible solution:
http://support.gci.net/kb/kb75

[suv20]

Please be inform that the Error # 629 appears even my phone is not connected to the modem, supposed to be it will generate an error like
"No dial tone" am i right?

The main problem here is: My modem does generate that error even though there's no phone connected on it. It doesnt even dial the number, i dont even here a sound of dialing like dit dit dit dot dot. When you click the connect button just a second and it will show you the error # 629. i guess its the port of my pc or else, please help me. thanks...

[mjc]

Did you go through that troubleshooting page?

If so have you tried removing the moded (in SafeMode) and reinstalling it?

Have you tried a different connection cable between the modem and your computer? a different phone line?

[Paleo Pete]

I meant to try and post some info for this one a couple of nights ago and signed off for the night without coming back to it, sorry about that...

External modems use a physical COM port instead of the virtual one internal modems generally use. In addition they usually like COM 2 better than COM 1.

First, try to find out which COM port the modem is connected to. If you DO NOT have onboard video, you should have two serial ports on back of the computer, beside the USB ports. The one closer to the PS/2 and USB ports is COM 1, the further one is COM2. If you have onboard video you'll only have COM 1. Use COM2 if possible.

The Component Identification (http://www.pcguide.com/vb/showthread.php?s=&threadid=25502) thread shows a picture of what the ports look like, but not their location. I don't have a good picture yet of the entire back panel, but the one on the left in that picture would be COM 1. The only decent back panel picture I have is too big in file size to upoad to the forums.

Once you find out which port it's using go into BIOS and look in the Integrated Peripherals section for Serial Port 2 (or 1, whichever you need.) Make sure it is ENABLED. This must usually be disabled for most internal modems, or Auto can work too. Make sure it is enabled, (not auto) and set to 2F8 IRQ 3. That makes it appear as COM2 and should be usable to the modem.

If that doesn't work, or the BIOS settings are already correct, I would go with mjc's suggestion to remove the modem in Safe Mode and reinstall it.

Also, make sure you have the phone line plugged into the correct jack. (It's really easy to get them backwards, and very common.) The modem should work with or without a phone plugged into it, but for troubleshooting purposes remove the phone until you get it working right. The phone line going to the wall should be in the LINE jack, the phone in the other one.

In BIOS the COM ports are listed as Serial ports- 3F8 ; IRQ 4 should be COM1 and 2F8 ; IRQ 3 should be COM2.

[suv20]

Sorry guys if i dont reply for a week, i have to finish my project here in my office...

Still i tried all your suggestions and instructions i even change my hardisk with a 98 on it, but it just cant kill the beast.

Sorry for that, i still want to here any suggestions from you, until i found my modem working properly.

Regards...:(

[Paul Komski]

DUNS ERROR 629 (http://www.modemsite.com/56k/duns629.asp)

Check the phone cable and the connections - sometimes the tiniest looseness can create problems - so consider getting a new cable.

Check for line noise if possible and try and simplify the telecom appliances by having a single connection to the wall jack.

Try recreating a brand new DUN connection.

[suv20]

For me its the motherboard that has the problem, because, first if it is in the cable then it would not work in every other unit, right?
Second it's not the hardisk because i try to change my hardisk and it does not work. Lastly i dont know now how to debug/troubleshoot it that's why im taking to where i bought it.

I will give you updates guys...Thanks
Regards

[classicsoftware]

Please post what port your modem is on

Go to:


Start-->Settings-->Control Panel-->> Modems

Click on your modem.

Click on Diagnostics

It will come up with a screen that shows your modem and the ports.

Highlight the port and click more info.

It will send commands from the computer through the port to the modem.

I will bet it fails the diagnostics because it is either:

1) Not on the correct port
or
2) The port is not figured correctly.

Please post back with your results

[Paul Komski]

Let us know how you get on but it would be nice to know the exact model and whether this is a USB or Serial external modem.

[suv20]

It's querying ok, i said it later on my post it is queried properly and installed properly the only problem is when i start to dial it start generating that error without dialing or sounds like dit dit dit dot dot and only in a second.

[Paul Komski]

Without more information it is hard to suggest anything else. For example if this is a USB modem the USB ports and drivers may need to be examined, particularly since USB was in its infancy when Win98 first came out. There could also be a big difference between Win98 and Win98se - for which there could be different drivers or a different installation sequence required.

Are you 100% sure you have the correct/updated drivers and that you have followed the installation instructions vigorously.

You may be right that the mobo or a connection (broken pin on a serial port?) on it is faulty but (telecom connection problems apart) problems with drivers, the com ports (esp which one or their UART chips) and DUN/Winsock are the most common areas that produce problems.

One other thought is that some external modems (for example the Diamond Supra Express) will malfunction if another modem is configured on the PC. Other modems work happily side by side. So if you have any other internal or on-board modem then try removing it or disabling it in Device Manager.

PS
Since COM ports were mentioned in the opening post it is worth mentioning that the UART chip is at the heart of a COM port used by a modem. Some external modems are hardware modems and some are software modems. The hardware ones will have the UART chip on the modem - software ones use the chip on the mobo. So the model (and the chipset it uses) is also of relevance in trying to fully troubleshoot.

[suv20]

The details:

1. D-Link External Modem 560EL
Data & Voice Fax Modem
Com1 & Com2 configured.
2. Does not work in Win98 SE
Not read in com2 but read in
com1. Drivers are properly installed
and properly queried but when dialing modem will
blink and starts generating an error #629 in a second.

Diagnoses:

1. All your suggestions.
2. Tried in other computer and works perfectly.
3. Tried another hardisk w/ OS win98 se in the
same unit and does not work.

Please see driver attached for details.

That's all i can give guys and i will never give until
i solve this problem.

[classicsoftware]

Take a look at:
This (http://www.monster-isp.com/html/dun_error/error_629.htm)

or

This (http://www.monster-isp.com/html/dun_error/error_629.htm)

or

This (http://support.microsoft.com/default.aspx?scid=http://support.microsoft.com:80/support/kb/articles/q190/5/54.asp&NoWebContent=1)

or

This (http://help.stargate.net/dialup/win9x-check.shtml)

[suv20]

Hey what do you mean by this statement:

If it occurs constantly and they have never successfully connected then it may be a modem problem. Try the following strings:
AT&F1
ATZ&B0&C1&D2

I found it in your suggestions.

[classicsoftware]

It may the modem initalization strings that are being sent by windows are not initalizing the modem correctly and consequently the modem does not respond the way you want. Changing the string as indicated may solve the problem.

I personally would try hyper-terminal or a fax program or some other program that works the modem to see if the problem is with your port or with the DUN.

[1966]

Curious but are you in a rural area or a larger town, metro area? If in a rural area, the changes to the modem string could make a lot of sense,
however if this thing dials with no phone line connection and give an error message I feel like the earlier advice given about the com ports
would take care of it. Had a similar problem with a Dell once and had to disable a port I believe to make it dial.