Toshiba M200-ST2002 Maintenance Manual - Page 126
Diagnostics, USB Floppy Disk Test
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3 Tests and Diagnostics 3.9 USB Floppy Disk Test Subtest 01 Subtest 02 Subtest 03 Subtest 04 Subtest 05 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. The start track is specified at the start of the FDD test. Refer to 2. in this chapter. 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. 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. Write specified address This subtest writes the data specified by an operator to a specified track, head, and address. Read specified address This subtest reads data from a track, head, and address specified by an operator. 3-26 Portege M200 Maintenance Manual (960-457)