Npx test – Toshiba Magnia 3310 User Manual

Page 104

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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

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