IBM x3500 User Guide - Page 29

System-board - review

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Table 2. Switches on SW4 (continued) Switch number Description 2 Clear CMOS: v Leave the switch in the off position to keep the CMOS data. v Move the switch to the on position to clear the CMOS data, which clears the power-on password and administrator password. Notes: 1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all power cords and external cables. (Review the information in "Safety" on page v, "Installation guidelines" on page 21, and "Handling static-sensitive devices" on page 22.) 2. Any system-board switch or jumper blocks that are not shown in the illustrations in this document are reserved. System-board LEDs The following illustration shows the LEDs on the system board. DIMM error LEDs 1 thru 12 Microprocessor mismatch LED Slot 1 error LED Slot 2 error LED Slot 3 error LED Slot 4 error LED Slot 5 error LED Slot 6 error LED Microprocessor 1 error LED Microprocessor 2 error LED VRM error LED Battery error LED BMC heartbeat LED ServeRAID-8k error LED Chapter 2. Installing optional devices 15

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Table
2.
Switches
on
SW4
(continued)
Switch
number
Description
2
Clear
CMOS:
v
Leave
the
switch
in
the
off
position
to
keep
the
CMOS
data.
v
Move
the
switch
to
the
on
position
to
clear
the
CMOS
data,
which
clears
the
power-on
password
and
administrator
password.
Notes:
1.
Before
you
change
any
switch
settings
or
move
any
jumpers,
turn
off
the
server;
then,
disconnect
all
power
cords
and
external
cables.
(Review
the
information
in
“Safety”
on
page
v,
“Installation
guidelines”
on
page
21,
and
“Handling
static-sensitive
devices”
on
page
22.)
2.
Any
system-board
switch
or
jumper
blocks
that
are
not
shown
in
the
illustrations
in
this
document
are
reserved.
System-board
LEDs
The
following
illustration
shows
the
LEDs
on
the
system
board.
Slot 1
error LED
Slot 2
error LED
Slot 3
error LED
Slot 4
error LED
Slot 5
error LED
Slot 6
error LED
Microprocessor
mismatch
LED
DIMM
error LEDs
1 thru 12
Microprocessor 1
error LED
Microprocessor 2
error LED
VRM error
LED
BMC heartbeat
LED
ServeRAID-8k
error LED
Battery error LED
Chapter
2.
Installing
optional
devices
15