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- Xref: sparky comp.dcom.modems:16427 de.comm.misc:2325
- Path: sparky!uunet!rayssd!galaxia!animato!rlcarr
- From: rlcarr@animato.network23.com (Rich Carreiro)
- Newsgroups: comp.dcom.modems,de.comm.misc
- Subject: Re: ZyXEL Bug : Can not write value into NVRAM
- Distribution: world
- Message-ID: <rlcarr.06o7@animato.network23.com>
- X-NewsSoftware: GRn 1.16f (10.17.92) by Mike Schwartz & Michael B. Smith
- Date: 2 Nov 92 18:21:25 EDT
- Organization: The Other Side of Life
- Lines: 26
-
- In article <1992Oct31.124256.2415@cs.tu-berlin.de> ernst@opal.cs.tu-berlin.de (Ernst Kloecker) writes:
- > I found this bug on a ZyXEL 1496E (ROM V 4.02) as well as on a ZyXEL 1496E+
- > (ROM V 5.02 P). Do not try to reproduce it, as there is no way back until
- > the bug is fixed by ZyXEL.
- >
- > If you change the AT&D setting to AT&D3 and write that into NVRAM with
- > AT&W0, then you cannot change the AT&D setting in the NVRAM ever again.
- > You can use different AT&D settings during the current session, but as
- > soon as you issue an ATZ or turn the modem off and on, the AT&D setting
- > changes back to AT&D3. This is very annoying as AT&D0 (ignore DTR) is the
- > setting I need mostly. AT&D3 means : DTR off causes modem to hang up and
- > reset the modem from profile #0 (only documented on the quick reference
- > guide).
- >
- > Has anybody else noticed this bug ?
-
- Yes. And you can fix it with a full reset. Hold in Data/Voice (I believe)
- while turning the modem on.
-
- This will reset NVRAM to factory defaults.
-
-
- --
- Rich Carreiro Home: (401)841-8514
- rlcarr@animato.network23.com
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