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3.11Error Codes and Description 3 Diagnostic Programs
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.
04 (XMS)Memory Problem
The test pattern read out from the
extension memory is different
from the one that has been
written in this address.
As above.
05 (XMS) Out Of Range Wrong parameters setup. Check and reset the parameters.
06 Address Test Error
Interference between different
address channels.
Test this memory chip on
multiple machines.
07 Toggle Bit Error Errors with the timer chip. As above.
08 Interval Error
The acquired refreshing
frequency is out of the estimated
range.
Reset the estimated range.
09 L1 Cache test Error
The pattern read out from the L1
Cache is different from the one
that has been written in the same
address.
Test this unit on multiple
machines.
12 Data Bus Error
Interference between different
data channels.
As above.
14 Speed Error
Failure during the transfer speed
test.
As above.
03xx Board
01 DMA Test Error
DMA channel cannot transfer
data normally.
Repeat multiple times. Whether
there is always the same error,
replace the board.
04 Interval Timer Error
The difference between the
actual precision of the interval
timer and its theory value is out
of the permitted range. The timer
counts imprecisely.
As above.
05 Periodic Faster Error
The frequency is beyond the
standard.
As above.
06 Periodic Slower Error
The frequency is below the
standard.
As above.
07
Update-ended Interrupt
Error
R/W errors with the RTC
refreshing interrupt controller.
As above.
Satellite M40/M45 TECRA A4 Dynabook Vx/4 Maintenance Manual 61