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-rw-r--r--share/man/man4/man4.sparc64/fhc.424
1 files changed, 22 insertions, 2 deletions
diff --git a/share/man/man4/man4.sparc64/fhc.4 b/share/man/man4/man4.sparc64/fhc.4
index b0950a4e106..b7cd53764a7 100644
--- a/share/man/man4/man4.sparc64/fhc.4
+++ b/share/man/man4/man4.sparc64/fhc.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: fhc.4,v 1.2 2004/09/23 18:28:51 jason Exp $
+.\" $OpenBSD: fhc.4,v 1.3 2004/09/28 02:50:37 jason Exp $
.\"
.\" Copyright (c) 2004 Jason L. Wright (jason@thought.net)
.\" All rights reserved.
@@ -42,9 +42,29 @@ found on Sunfire, Starfire, and Wildfire
UltraSPARC systems.
These devices are used for board level
functions on these systems.
+This device also controls an LED for each slot.
+This LED can be made to blink based on the load average on most systems
+by setting the
+.Xr sysctl 3
+variable
+.Ar machdep.led_blink
+to a non-zero value.
+.Sh HARDWARE
+.Ox
+includes the following
+.Nm
+drivers, sorted by driver name:
+.Bl -tag -width 13n -offset ind -compact
+.It Xr clkbrd 4
+Main system clock for E4500.
+.It Xr clock 4
+Realtime clock.
+.It Xr zs/zstty/zskbd 4
+Zilog 8530 serial controller (and serial keyboards).
+.El
.Sh SEE ALSO
+.Xr sysctl 3 ,
.Xr central 4 ,
-.Xr clock 4 ,
.Xr intro 4
.Sh HISTORY
.Ox