IBM HS40 User Guide - Page 30

Switches, jumpers, Jumpers

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Switches and jumpers The following illustration shows the switches and jumpers on the I/O board. Configuration switch block (S6H1) 3 2 1 BIOS code page jumper (J1E2) Light path diagnostics button (S8A1) Switches Table 1 describes the function of each switch on switch block (S6H1). Table 1. Configuration Switch block (S6H1) Switch number Default value Switch description 1 Off Reserved 2 Off Password clear 3 through 5 Off Reserved Jumpers When the BIOS code page jumper (J1E2) is moved from pins 1 and 2 to pins 2 and 3, you can start the blade server from a backup BIOS page. The default position is pins 1 and 2. See the blade server Hardware Maintenance Manual and Troubleshooting Guide on the IBM BladeCenter Documentation CD or the IBM BladeCenter T Documentation CD for more information. Note: If you start the blade server from the backup page because the primary BIOS page has become damaged, you need to flash the primary BIOS code. 16 BladeCenter HS40 Type 8839: Installation and User's Guide

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Switches
and
jumpers
The
following
illustration
shows
the
switches
and
jumpers
on
the
I/O
board.
1
2
3
Configuration
switch block (S6H1)
Light path
diagnostics button (S8A1)
BIOS code
page jumper
(J1E2)
Switches
Table
1
describes
the
function
of
each
switch
on
switch
block
(S6H1).
Table
1.
Configuration
Switch
block
(S6H1)
Switch
number
Default
value
Switch
description
1
Off
Reserved
2
Off
Password
clear
3
through
5
Off
Reserved
Jumpers
When
the
BIOS
code
page
jumper
(J1E2)
is
moved
from
pins
1
and
2
to
pins
2
and
3,
you
can
start
the
blade
server
from
a
backup
BIOS
page.
The
default
position
is
pins
1
and
2.
See
the
blade
server
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
BladeCenter
Documentation
CD
or
the
IBM
BladeCenter
T
Documentation
CD
for
more
information.
Note:
If
you
start
the
blade
server
from
the
backup
page
because
the
primary
BIOS
page
has
become
damaged,
you
need
to
flash
the
primary
BIOS
code.
16
BladeCenter
HS40
Type
8839:
Installation
and
User’s
Guide