IBM 600/600E (2645) manual Read This First, Do First

Read This First

Read This First

Before you go to the checkout guide, be sure section.

Important Notes

ŸOnly certified trained personnel should

	service the computer			.
Ÿ	Read	the	entire FRU	removal	and replacement
	page	before	replacing	any FRU	.

ŸUse new nylon-coated screws when you

replace FRUs .

ŸBe extremely careful during such write

operations as copying, saving, or formatting.

Drives in the computer that you are servi might have been rearranged, or the drive sequence might have been altered. If you an incorrect drive, data or programs might overwritten.

ŸReplace FRUs only for the correct model.

When

you

replace

a

FRU,

make

sure

the

mo

of

the

machine

and FRU

part

number

are

c

by

referring

to

the

FRU

parts

list.

Ÿ A FRU

should

not

be

replaced

because

of

a

single, unreproducible

failure.

Single

failures

can occur from a variety of

reasons

that

nothing to do with a hardware

defect,

suc

cosmic

radiation,

electrostatic

discharge,

software errors. FRU replacement should be

considered only

when

a

recurring

problem

ex

If this is suspected, clear

the error

lo

the test again. Do not replace any FRUs i

errors

do

not

reappear.

Ÿ Be careful not to replace a nondefective FRU.

What	to	Do First:	The servicer must include the
following		in the parts exchange form or parts re
that	is	attached	to the returned FRU:

1.Name and phone number of servicer

2.Date of service

3.Date that the machine failed

4.Date of purchase

5.Failure symptoms, error codes appearing on display, and beep symptoms

6.Procedure index and page number in which failing FRU was detected

7.	Failing FRU name and part number
8.	Machine type, model number, and serial numb
9.	Customer's name and address

General Descriptions17