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Tl Posts:

Posted - 12/15/2005 9:53:19 AM  Show Profile  Email Poster  Edit Message
I just uninstalled a USR 5660 Modem using the WinXP Control Panel and it uninstalled just fine. As part of the uninstall, the program removed oem8.inf from the Windows/inf directory.

The problem is that the uninstall program also removed oem7.inf from the Windows/inf directory! This inf file was associated with a Supramax Pro Modem.

The PCI ID's have nothing in common between the two modems.

I later reinstalled the USR 5660 modem and now have another surprising result. Oem7.inf was created for the USR 5660. Both Modems seem to work fine, but the Modem Log for the Supramax Modem available in the Windows directory indicates that this modem uses oem7.inf which is not correct.

The Supramax modem seems to work correctly, and I suspect it is because the Modem is actually installed in the Registry.

Any thoughts on this situation?

It may in fact be a non-problem, especially if I reinstall the Supramax, but it does look like the USR Uninstall program has a bug.

I wonder if it confused the Conexant HCF and HSF chips used in these two modems.

Thanks, Kent

Tl Posts:

Posted - 12/16/2005 7:58:46 AM  Show Profile  Email Poster  Edit Message  v.Richards Homepage
Yes, entries from .inf file at install are entered into the registry.

As for why uninstall removed more than the modem you were uninstalling - I don't know....

Aloha! Richard.

Tl Posts:

Posted - 12/16/2005 12:11:54 PM  Show Profile  Email Poster  Edit Message

Thanks for your input.

This situation makes one wonder if the oem.inf file is really needed again once the modem is installed.

I just realized that I may have had a similar problem recently after rolling my Agere driver back using that feature in the Control Panel. Some odd things happened and I think more than one inf file disappeared.

So, maybe this is a WinXP problem.

The developers probably never envisioned that users might have three PCI Modems installed along with a Serial Port Modem. Maybe I'm pushing the envelope!

After that driver rollback I also recall my Zoom External Modem getting into an odd state and requiring that it be powered off and then back on. However, I've seen that problem before and always wondered if it was a problem in the modem or firmware.


With four modems installed I wonder if I qualify for a name change to v.Kent!

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