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author | rpaulo <rpaulo@FreeBSD.org> | 2008-08-21 17:53:13 +0000 |
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committer | rpaulo <rpaulo@FreeBSD.org> | 2008-08-21 17:53:13 +0000 |
commit | 2ceef8c561687016208fda8393575c07a54549d4 (patch) | |
tree | 64ecd4ac5cb4713c91e8837689ecf488dfab1e34 /share/man/man4/ichwd.4 | |
parent | 80f65f327906fd740eaf3d3b227f5b691563a80b (diff) | |
download | FreeBSD-src-2ceef8c561687016208fda8393575c07a54549d4.zip FreeBSD-src-2ceef8c561687016208fda8393575c07a54549d4.tar.gz |
Merge the relevant information of man4.i386/ichwd.4 into man4/ichwd.4
and remove ichwd(4) man page from man4.i386.
Submitted by: gavin
Reviewed by: des, me
Approved by: des
Diffstat (limited to 'share/man/man4/ichwd.4')
-rw-r--r-- | share/man/man4/ichwd.4 | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/share/man/man4/ichwd.4 b/share/man/man4/ichwd.4 index f2608ed..f9998dc 100644 --- a/share/man/man4/ichwd.4 +++ b/share/man/man4/ichwd.4 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 23, 2007 +.Dd August 20, 2008 .Dt ICHWD 4 .Os .Sh NAME @@ -50,12 +50,29 @@ The .Nm driver provides .Xr watchdog 4 -support for the watchdog interrupt timer present in -the Intel ICH motherboard chipsets. +support for the watchdog interrupt timer present on +all Intel ICH motherboard chipsets. +.Pp +The ICH WDT counts down in ticks of approximately 0.6 seconds; the +exact value depends on hardware quality and environmental factors. +Supported watchdog intervals range from 2 to 63 ticks. +.Pp +Note that on some ICH-based systems, the WDT may be present but +disabled, either in hardware or by the BIOS. +The +.Nm +driver attempts to detect this condition and will refuse to attach if +it believes the WDT is disabled. .Sh SEE ALSO .Xr watchdog 4 , .Xr watchdog 8 , -.Xr watchdogd 8 +.Xr watchdogd 8, +.Xr watchdog 9 +.Rs +.%T Using the Intel ICH Family Watchdog Timer (WDT) +.%R Intel Application Note AP-725 +.%O Document Number 292273-001 +.Re .Sh HISTORY The .Nm @@ -65,8 +82,9 @@ driver first appeared in .An -nosplit The .Nm -driver was originally written by -.An Wm. Daryl Hawkins -of Texas A&M University. +driver was written by +.An Wm. Daryl Hawkins Aq dhawkins@tamu.edu +of Texas A&M University and +.An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org . This manual page was written by .An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org . |