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3.10 Floppy Disk Test 3 Tests and Diagnostics
PORTEGE A200 Maintenance Manual (960-499) 3-23
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
xxx DIAGNOSTIC TEST VX.XX
[Ctrl]+[Break] : test end
[Ctrl]+[C] : key stop
SUB-TEST : XX
PASS COUNT : XXXXX ERROR COUNT : XXXXX
WRITE DATA : XX READ DATA : XX
ADDRESS : XXXXXX STATUS : 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
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
Subtest 05 Read specified address
This subtest reads data from a track, head, and address specified by an operator.