diff --git a/src/etc/etc.zaurus/sysctl.conf b/src/etc/etc.zaurus/sysctl.conf
index 692260a2..8773f0b4 100644
--- a/src/etc/etc.zaurus/sysctl.conf
+++ b/src/etc/etc.zaurus/sysctl.conf
@@ -1,3 +1,6 @@
 #machdep.allowaperture=2	# See xf86(4)
 #machdep.apmwarn=10		# battery % when apm status messages enabled
 #machdep.kbdreset=1		# permit zkbd(4) power key to do a nice halt
+#machdep.maxspeed=520		# set change maximum processor speed
+#machdep.lidsuspend=0		# closing the lid will suspend machine
+#hw.setperf=0			# 0=slowest speed, 100=fastest speed