3 Diagnostic Programs 3.11Error Codes and Description
60 Satellite M40/M45 TECRA A4 Dynabook Vx/4 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.
10 Does not Support CPU
Speedstep The CPU does not support
Speedstep. Check whether the power change
mode is correct.
11 CPU Speedstep Power
Change Error The power mode is not correctly
changed. As above.
12 CPU Speedstep Speed
Change Error
The CPU frequency cannot
alternate normally with the
change of power mode.
Confirm with the same type 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.