IBM 6623 User Manual

 

 

 

The

 

following

 

illustration

 

shows

 

the

 

location

 

of

 

the

 

LEDs

 

on

 

the

 

system

 

board.

 

You

 

might

 

need

 

to

 

refer

 

to

 

this

 

illustration

 

when

 

solving

 

problems

 

with

 

the

 

computer.

 

Each

 

error

 

LED

 

is

 

lit

 

to

 

indicate

 

a

 

problem

 

with

 

a

 

specific

 

component.

 

After

 

a

 

problem

 

is

 

corrected,

 

its

 

LED

 

will

 

not

 

be

 

lit

 

the

 

next

 

time

 

the

 

computer

 

is

 

restarted;

 

if

 

the

 

problem

 

remains,

 

the

 

LED

 

will

 

be

 

lit

 

again.

 

See

 

“Solving

 

problems”

 

in

 

the

 

 

 

on

 

the

 

IBM

 

 

 

CD

 

for

 

additional

 

information.

 

DIMM 5
error LED

DIMM 4
error LED

DIMM 3
error LED

DIMM 2
error LED

DIMM 1
error LED

Fan 2
error LED

Fan 1
error LED

Fan 3
error LED

Fan 4
error LED

Microprocessor 1
error LED

Microprocessor 2
error LED

DIMM 6
error LED

   

 

 

 

The

 

Product

 

Recovery

 

program

 

is

 

on

 

a

 

hidden

 

partition

 

of

 

the

 

hard

 

disk.

 

The

 

Product

 

Recovery

 

program

 

runs

 

independently

 

of

 

the

 

operating

 

system

 

and

 

reinstalls

 

your

 

operating

 

system

 

and

 

preinstalled

 

software.

 

If

 

your

 

hard

 

disk

 

drive,

 

including

 

the

 

partition

 

that

 

contains

 

the

 

Product

 

Recovery

 

program,

 

becomes

 

damaged

 

or

 

if

 

you

 

replace

 

the

 

hard

 

disk

 

drive,

 

contact

 

IBM

 

to

 

order

 

the

 

 

 

 

CD

 

to

 

recover

 

your

 

preinstalled

 

operating

 

system,

 

application

 

programs,

 

and

 

device

 

drivers.See

 

 

 

 

 

 

 

 

 

 

 

for

 

details.

   

Chapter

 

5.

 

Solving

 

problems