Toshiba A200 manual Floppy Disk Test Tests and Diagnostics

3.10 Floppy Disk Test 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 IN PROGRESS XXXXXXX

xxxDIAGNOSTIC 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
	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.

PORTEGE A200 Maintenance Manual (960-499) 3-23