Npx test – Toshiba Magnia 3310 User Manual
Page 104
Hardware Diagnostics
Items of Hardware Diagnostics
100
[07. NPX TEST]
This tests the computer's floating data processing unit functions.
[01. NPX test]
This test checks the Addition and Multiplication functions of
the coprocessor.
NPX TEST (NPX) Error log
[08. CACHE MEMORY TEST]
To test the L2 caching unit.
[01. Constant data test]
After reading all the cache memory, the constant data are
written, read and compared.
[02. Address pattern test]
After reading all the cache memory, the address pattern data
are written, read and compared.
[03. Increment/Decrement test]
After reading all the cache memory, the increment and
decrement data are written, read and compared.
[04. Caching data test]
This test checks caching and the cache controller.
Status
Error name
Meaning
01
NO CO-PROCESSOR
Co-processor recognition error
02
CONTROL WORD ERROR
Control word error
03
STATUS WORD ERROR
Status word error
04
BUS ERROR
BUS error
05
ADDITION ERROR
Addition test error
06
MULTIPLICATION ERROR
Multiplication test error
07
EXCEPTION ERROR
Exception error