Toshiba T4500 User Manual page 74

digits indicate the error status code as explained in Table 3-3 in Section 3.14.
Subtest 01 Sequential Read
This subtest performs a Cyclic Redundancy Check (CRC), that continuously reads
all the tracks on a floppy disk. The following tracks are read according to the media
type in the floppy disk drive:
The start track is specified when the FDD test is started from the Diagnostic Test
Menu. Refer to Step 3 at the beginning of this section to set the start track.
Subtest 02 Sequential Read/Write
This Subtest continuously writes data pattern B5ADADh to all the specified tracks
selected in subtest 01. 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 defined in subtest
01. The data is then read and compared to the original data.
Subtest 04 Write Specified Address
This subtest writes specified data to a specified track, head, and address.
Subtest 05 Read Specified Address
Double-sided, double-density (2D): Tracks 0 to 39.
Double-sided, double-density, double-track (2DD) and double-sided,
high-density, double-track (2HD): Tracks 0 to 79.
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