Everex Everdisk Owner's Manual And Reference Manual page 63

Test Name
Sequential
Write
Sequential
Read
Sequential
Write-Read
Random Write
Random Read
Random
Write-Read
TABLE 2
DISK Diagnostic Test Descriptions
Description
Checks to make sure the drive can write data to disk
in sequential order from cylinder 0, head 0 to end of
drive.
Checks to make sure the drive can read data from
disk in sequential order from cylinder 0, head 0 to end
of drive.
Checks to make sure the drive can write and read in
sequential order from cylinder 0, head 0 to end of
drive.
Checks to make sure the drive can write to a random
track on the drive.
Checks to make sure the drive can read from a
random track on the drive.
Checks to make sure the drive can write and read
data to and from a random track on the drive.
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