System-board leds, System-board, Leds – Lenovo 3797 User Manual

Page 43

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Table

4.

Callout

descriptions

(continued)

Notes:

1.

If

no

jumper

is

present,

the

server

responds

as

if

the

pins

are

set

to

1

and

2.

2.

Changing

the

position

of

the

UEFI

boot

recovery

jumper

from

pins

1

and

2

to

pins

2

and

3

before

the

server

is

turned

on

alters

which

flash

ROM

page

is

loaded.

Do

not

change

the

jumper

pin

position

after

the

server

is

turned

on.

This

can

cause

an

unpredictable

problem.

Table

5

describes

the

function

of

each

switch

on

the

switch

block.

Table

5.

Switch

block

3,

switches

1

-

8

Switch

number

Default

value

Switch

description

8

Off

Reserved.

7

Off

Reserved.

6

Off

Reserved.

5

Off

Power-on

password

override.

Changing

the

position

of

this

switch

bypasses

the

power-on

password

check

the

next

time

the

server

is

turned

on

and

starts

the

Setup

utility

so

that

you

can

change

or

delete

the

power-on

password.

You

do

not

have

to

move

the

switch

back

to

the

default

position

after

the

password

is

overridden.

Changing

the

position

of

this

switch

does

not

affect

the

administrator

password

check

if

an

administrator

password

is

set.

See

“Passwords”

on

page

107

for

additional

information

about

the

power-on

password.

4

Off

Reserved.

3

Off

Reserved.

2

Off

Reserved.

1

Off

Reserved.Clear

Clear

CMOS.

When

this

switch

is

toggled

to

On,

it

clears

the

CMOS

data,

which

clears

the

power-on

password.

Important:

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

vii,

“Installation

guidelines”

on

page

33,

“Handling

static-sensitive

devices”

on

page

35,

and

“Turning

off

the

server”

on

page

31.)

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

light-emitting

diodes

(LEDs)

on

the

system

board.

Chapter

4.

Server

controls,

LEDs,

and

power

27

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