61 lines
1.5 KiB
Groff
61 lines
1.5 KiB
Groff
.\" LP (Laptop Package)
|
|
.\"
|
|
.\" Copyright (c) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
|
.\"
|
|
.\" This software may be used, modified, copied, and distributed, in
|
|
.\" both source and binary form provided that the above copyright and
|
|
.\" these terms are retained. Under no circumstances is the author
|
|
.\" responsible for the proper functioning of this software, nor does
|
|
.\" the author assume any responsibility for damages incurred with its
|
|
.\" use.
|
|
.Dd November 1, 1994
|
|
.Dt APMCONF 8
|
|
.Os
|
|
.Sh NAME
|
|
.Nm apmconf
|
|
.Nd configure APM BIOS driver
|
|
.Sh SYNOPSIS
|
|
.Nm apmconf
|
|
.Op Fl e
|
|
.Op Fl d
|
|
.Op Fl h
|
|
.Op Fl t
|
|
.Sh DESCRIPTION
|
|
.Nm apmconf
|
|
is used to configure the APM (Advanced Power Management) BIOS driver
|
|
.Xr apm 4
|
|
on laptop PCs.
|
|
.Pp
|
|
The following options are available.
|
|
.Bl -tag -width indent
|
|
.It Fl e
|
|
Enable power management.
|
|
.It Fl d
|
|
Disable power management.
|
|
.El
|
|
.Pp
|
|
These options enable/disable power management functions provided by
|
|
.Xr apm 4 .
|
|
.Bl -tag -width indent
|
|
.It Fl h
|
|
Enable HLT instruction in kernel context switch routine.
|
|
.It Fl t
|
|
Disable HLT instruction in kernel context switch routine.
|
|
.El
|
|
.Pp
|
|
These options are not necessary for almost all APM implementations,
|
|
but for some implementations whose
|
|
.Dq Pa Idle CPU
|
|
call executes both CPU clock slowdown and HLT instruction,
|
|
.Fl t
|
|
is necessary to prevent the system from reducing its peak performance.
|
|
See
|
|
.Xr apm 4
|
|
for details.
|
|
.Sh SEE ALSO
|
|
.Xr apm 4 ,
|
|
.Xr apm 8 ,
|
|
.Xr zzz 8
|
|
.Sh AUTHOR
|
|
HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp> (Keio Univ., Japan)
|