IBM 5000 manual Activity Light, Reserved, Hard Disk Drive, Amber, Drive Activity, Link

Controls and Indicators

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Primary Microprocessor Activity Light: This green LED blinks to

indicate the activity of a microprocessor installed in the pr

microprocessor	socket. The	LED comes on	during	POST to	indicate
the presence of the microprocessor.
Secondary Microprocessor	Activity Light:	This	green	LED blinks	to

show the activity of a microprocessor installed in the second microprocessor socket. The LED lights during POST to indicate the presence of the microprocessor. When you install a secondary microprocessor, it becomes the startup microprocessor.

System

Error

Light:

This

amber LED shows that a system error

occurred. System

errors

can

include

high

temperature,

excess

or failure or errors in

the

microprocessor, system

fan, memory

bus, SCSI bus, USB, hard disk

drive, diskette drive, serial p

keyboard

interface,

or

power

supply. When

this

LED

is

on,

one

more

LEDs

on

the

system

board

also

might

be

on,

indicating

whe

the error occurred (see “System Board

LEDs”

on

page 168).

Reserved:

This LED

is

reserved

for

future

use.

Hard Disk Drive

Status

Light

(Amber):

In a RAID environment, this

amber

LED

lights

continuously

when the drive

is

faulty

and

nee

be replaced. You can replace these hot-swappable drives with

turning

off

the

server. If

you

do

not

have

a RAID environmen

LED

is

not

operational.

Hard

Disk

Drive

Activity

Light

(Green):

This green

LED

lights

when

the hard disk drive is being accessed.

Ethernet Transmit/Receive

Activity

Light:

This

green LED shows

transmission and reception activity on the

network.

Ethernet

Link

Status Light:

This

green

LED

shows

an

active

link

connection

on

the

10BASE-T

or

100BASE-TX

interface.

Ethernet Speed Light: This green LED lights when the Ethernet LAN speed is 100 Mbps.

10 Netfinity 5000 Server Hardware Information and Procedures