Windows Legacy OS forum

General discussion

good or bad modem

by Luis / January 1, 2005 4:49 AM PST

I have a pc with win 98, 500mhz cpu, 64mb ram, nic card, 56k 3com usrobotic modem.
I am having trouble with the modem. I download the drivers and installed.
this is what I am doing. I go to control pannel and double click the modem icon to see if it will be detected, after a few secons then it shows a windo saying did not find any modem. How can I test the modem to see if is working or what should I do?
Please need as much help as you can provide so I can make this modem to work or replace it.

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To test the modem, you put in a new one and see if it works.
by R. Proffitt Forum moderator / January 1, 2005 5:06 AM PST
In reply to: good or bad modem
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good or bad modem
by Coryphaeus / January 1, 2005 6:09 AM PST
In reply to: good or bad modem

1. If it's in place and Windows does not detect it, power off and reseat the modem. Power back on, it should be detected.

2. No joy, read Bob's answer.

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RE: modems
by reefurbb / January 1, 2005 9:24 PM PST
In reply to: good or bad modem

Often, people download the wrong drivers, especially 3com and USR as they had various chipsets on the card.

2 ways a modem installs:
Plug N Play compatible. Windows find the device on booting or otherwise. Note: older ISA 3com or USR modems have you remove all jumpers on card for PNP. Info on back of card. PCI modems almost always PNP.

Non PNP. Mostly older modems where you have to put jumpers on for the Com port to use and the IRQ. Hopefully info is on card or backside. "add new hardware" wizard will not find a device with no jumpers.
Note: older 3com and USR modems have you disable Serial port 2 to allow use for install.
IF you disable serial B AND you have 2 jumpers on the non-PNP modem AND windows can't find it (even with a search on com ports), then I've almost always found that the modem is kaput. has cheap newer modems, requiring 233mhz mmx minimum.

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