Toshiba SATELLITE U200 manual Tests and Diagnostics Floppy Disk Test

3 Tests and Diagnostics 3.10 Floppy Disk Test

Select the number of the subtest you want to execute and press Enter. The following message will appear during the floppy disk test.

FLOPPY DISK IN PROGRESS XXXXXXX

xxxDIAGNOSTIC TEST VX.XX [Ctrl]+[Break] : test end

[Ctrl]+[C] : key stop

SUB-TEST	: XX	ERROR COUNT	: XXXXX
PASS COUNT	: XXXXX
WRITE DATA	: XX	READ DATA	: XX
ADDRESS	: XXXXXXSTATUS		: XXX

When the subtest 04 or 05 is selected, the following messages will appear on the screen. Select the test data (subtest 04 only), track number and head number you want to test.

Test data ?? (subtest 04 only)

Track No. ??

Head No. ?

Subtest 01 Sequential read

This subtest performs a Cyclic Redundancy Check (CRC) that continuously reads all the tracks (track: 0 to 39/0 to 79) on a floppy disk.

Subtest 02 Sequential read/write

This subtest continuously writes data pattern B5ADADh to all the tracks (track: 0 to 39/0 to 79) on a floppy disk. The data is then read and compared to the original data.

Subtest 03 Random address/data

This subtest writes random data to random addresses on all tracks (track: 0 to 39/0 to 79) on a floppy disk. The data is then read and compared to the original data.

Subtest 04 Write specified address

This subtest writes the data specified by an operator to a specified track, head and address.

Subtest 05 Read specified address

This subtest reads data from a track, head and address specified by an operator.

3-22 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)