Apple LaserWriter II NT Spécifications télécharger pdf (Page 70)

Troubleshooting a

Memory Upgrade A memory upgrade/installation can fail for several

reasons:

1) In a two-memory-board installation, a single-

sided memory card has been installed into slot 1

that does not have a PD jumper.

2) A memory board is not seated properly when

installed.

3) Memory is installed correctly but is of insufficient

size.

4) One or both of the memory boards has failed.

Check the following tables for the symptom you are

experiencing to identify a course of action.

Symptom Most Probable Causes What to do

The Diagnostic Test

Page indicates that the

controller is

recognizing memory,

but it is not of the

expected size.

1) The SIMM installed in

slot 1 is not a double-

sided memory card.

Procure a SIMM that is double-

sided and install into slot 1.

2) The SIMM installed in

slot 2 is not seated

properly

Properly re-install the SIMM in

slot 2.

3) The installed SIMM(s)

has (have) a memory

size that is actually

smaller than it’s

specification.

a) Check to make sure the board

part numbers are correct for

the SIMM size. If not, obtain

and install the correct ones

for the desired memory size.

b) The SIMM could have a fault

in which it only reports part

(for example, one-half) of the

memory for which it is rated.

In this case, the board must

be returned to the vendor for

replacement.

Table B-1.2. Troubleshooting – Incorrect Diagnostic Test Page.

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 101 102

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Apple LaserWriter II NT Spécifications Page 70

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