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Explain a bit more about the speedstep function.

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xtraeme 2007-11-23 13:05:04 +00:00
parent 2b37ebddcf
commit 4be59ff990
1 changed files with 7 additions and 2 deletions
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9
share/man/man4/ichlpcib.4
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@ -1,4 +1,4 @@
.\" $NetBSD: ichlpcib.4,v 1.3 2007/11/23 11:37:57 xtraeme Exp $
.\" $NetBSD: ichlpcib.4,v 1.4 2007/11/23 13:05:04 xtraeme Exp $
.\"
.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -60,7 +60,12 @@ timecounters framework.
.It
SpeedStep.
In some systems the SpeedStep function is also available, and can be
used to switch between high and low frequency (to reduce power consumption).
used to switch between high and low frequency (to reduce power consumption)
via the
.Em machdep.speedstep_state
.Xr sysctl 8
node. A value of 0 will use the low frequency (low power) and a 1 will
enable the high frequency (full power).
.El
.Sh SEE ALSO
.Xr sysctl 8 ,