archive mirror
 help / color / mirror / Atom feed
From: Herbert Poetzl <>
To: Ethan Weinstein <>
Cc: Linux-Kernel <>
Subject: Re: w83627hf watchdog
Date: Sat, 6 Dec 2003 20:59:56 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Dec 04, 2003 at 02:15:16PM -0500, Ethan Weinstein wrote:
> Hi,
> My Supermicro X5DPL-iGM-O has a winbond w83627hf chip onboard that 
> includes a watchdog timer.  I found a driver on freshmeat that points 
> here:
> but this does not seem to work correctly on 2.4.23, even with my 
> modifications to the ioports and registers that Supermicro sent me. I 
> have tried to contact the developer, he hasn't responded.  I also 
> located a post to linux-kerel quite sometime ago:
>  I haven't tried this driver just yet. The lm_sensors project seems to 
> include a driver for this chip as well, but not for the watchdog part. 
> The specifications Supermicro sent me for the watchdog function are 
> located here:
> Any help would greatly be appreciated, I know this particular chip is 
> included with many motherboards.

well, judging from the Super Micro documentation
(which looks sufficient to me I would say it shouldn't 
be too hard to code a watchdog driver similar to the 
one in linux-2.4.23/drivers/char/wdt.c

the testing will be a little more complicated, as
as you'll have to do it with the 'reboot' activated
which will force your system down, if it works
(in development the actual reset is often replaced
by a signal light showing that the reset 'would'


> Ethan
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to
> More majordomo info at
> Please read the FAQ at

  parent reply	other threads:[~2003-12-06 19:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-04 19:15 w83627hf watchdog Ethan Weinstein
2003-12-05  5:08 ` Ethan Weinstein
2003-12-06 19:59 ` Herbert Poetzl [this message]
2003-12-08 10:33 ` P

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).