diff options
| -rw-r--r-- | share/man/man4/man4.i386/apm.4 | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/share/man/man4/man4.i386/apm.4 b/share/man/man4/man4.i386/apm.4 index 145a69d87bb..f2e47580180 100644 --- a/share/man/man4/man4.i386/apm.4 +++ b/share/man/man4/man4.i386/apm.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: apm.4,v 1.12 2000/10/18 21:11:11 mickey Exp $ +.\" $OpenBSD: apm.4,v 1.13 2001/01/28 19:48:44 marc Exp $ .\" .\" Copyright (c) 1998 Marco S. Hyman .\" @@ -225,6 +225,29 @@ to zero disables all warnings regardless of the .Dv APM_IOC_PRN_CTL setting. .El +.Pp +As noted above, the operation of the +.Tn APM +driver can be modified using the +.Dv machdep.apmwarn +.Xr sysctl 8 +variable. Another driver modifier is the +.Dv machdep.apmhalt +variable. When +.Dv machdep.apmhalt +is set to 1 the +.Tn APM +power down code is modified in a way necessary for correct operation on +some systems, mainly +.Tn IBM +laptops. If your system does not power down when given the command +.Li "halt -p" +try setting +.Dv machdep.apmhalt +to 1 using +.Xr sysctl(8) . +The variable can be set at boot time in +.Xr sysctl.conf(5) . .Sh FILES .Bl -tag -width /dev/apmctl -compat .It Pa /dev/apm @@ -241,8 +264,11 @@ An attempt to open the file when in use will fail, returning .Er EBUSY . .El .Sh SEE ALSO +.Xr sysctl.conf 5 , .Xr apm 8 , -.Xr apmd 8 +.Xr apmd 8 , +.Xr halt 8 , +.Xr sysctl 8 .Pp http://developer.intel.com/ial/powermgm/apmv12.pdf .Sh HISTORY |