Installing options 43
Þ1Ý Sw itc h bl oc k
Þ2Ý Flash ROM page swap jumper (J38)
System board jumper blocks
Any jumper blocks on the system board that are not shown
in the illustration are reserv ed. For normal op eration of th e
system, no jumpers should be installed on any of the jumper
blocks except the J38 Fla s h ROM page swap j umper. See
“R ecovering BIOS” on page 13 for informati on about the
Flash ROM page-swap jumper.
System board switch block
The sw i tch bl oc k con ta ins micr os wit ch es 1-8 . As pi ctur e d in
this illustration, switch 8 is at the right of the switch block and
switch 1 is at the left.
The following table describes the function for each switch.

Before you begin

Before you begin to install options in the server, become
familiar with th e safet y and handlin g guideline s provided in:
• “Safety information” on page 155;
• “Handling electrostatic discharge-sensitive devices” on
page 15 8; an d
• “Safety notic es (multi-li ngual t ransl ations)” on pa ge
159.
These guidelines will help you work safely while working
with the server or options.
• The blue color on components and labels identifies
touch points where you can grip a c omponent, move a
latch, and so on.
Switch
number Switch
description
8 Bypass power-on password.
When toggled to the opposite position,
bypasses the power-on password, if one is set.
7 Reserved. The default setting is Off.
6 Reserved. The default setting is Off.
5 Forces system power on when set to On
position. The default setting is Off for normal
operation.
4 Reserved.
3 Reserved.
2 Reserved.
1 Reserved.

Table 6 . Switches 1-8