Toshiba Satellite Pro A500 series, Service Manual

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3 Diagnostic Programs 3.11Error Codes and Description
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Satellite A500 Maintenance Manual
3.11 Error Codes and description
The format of ‘Error Code’ is ‘ddxxee’, and ‘dd’ is the device ID (1~2 chars), ‘xx’ is test function
ID of device (2 chars), ‘ee’ is the error code of device (2 chars); the range of error code is from 01
to 99 in each device (the common error codes in all device are set to 99 and spanned).
Device
Error
Code
Description Cause Action
ddxx ee Common Error
94 Interactive Mode Needed
The test is not under interactive
mode. Check whether the interactive test
mode is adopted.
01xx CPU
01
CPU General Function
Error The CPU General Function
register is damaged.
Replace the CPU.
02 CPU Arithmetic Error
The CPU Arithmetic Register is
damaged.
As above.
03 CPU Logic Error
The CPU Logic Register is
damaged.
As above.
04 CPU Type Error
The CPU Type is not
supportable. Check whether the CPU is Intel
CPU.
05 CPU Speed Error
The CPU speed differs from the
expected value. Check the CPU speed and the set
expected speed.
06
NPU General Function
Error The NPU arithmetic unit is
damaged.
Replace the CPU.
07 NPU Interrupt Error The NPU is damaged. As above.
08 CPU Information Error
Information of the CPU cannot
be acquired. Check whether the CPU is Intel
CPU.
09 Protected Instruction Error The CPU is damaged. Replace the CPU.
21 MMX Test Error
The CPU MMX register is
damaged.
Replace the CPU.
02xx Memory
01 Read Error
The ROM BIOS has Physical
problems. Test this unit on multiple
machines.
02 Write-Protect Error
The ROM BIOS has Physical
problems.
As above.
03
Base Memory Error
Address
The test pattern read out from the
base memory is different from
the one that has been written in
this address.
Test this memory chip on
multiple machines.