Toshiba PORTEGE M400 Maintenance Manual page 148

3 Tests and Diagnostics
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
SUB-TEST
PASS COUNT
WRITE DATA
ADDRESS
When the subtest 04 or 05 is selected, the following messages will appear on the screen.
Select the test data
Test data
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.
3-30 [CONFIDENTIAL]
IN PROGRESS XXXXXXX
: XX
: XXXXX ERROR COUNT
: XX READ DATA
: XXXXXX STATUS
, track number and head number you want to test.
(subtest 04 only)
?? (subtest 04 only)
??
?
xxx DIAGNOSTIC TEST VX.XX
[Ctrl]+[Break] :
[Ctrl]+[C]
: XXXXX
: XX
: XXX
PORTEGE M400 Maintenance Manual (960-541)
3.11 Floppy Disk Test
test end
: key stop