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10.8.15 Execute Diagnostics (90h)
COMMAND CODE
1 0 0 1 0 0 0 0
REGISTER
REGISTER SETTING
NORMAL COMPLETION
DR
OOH
CY
OOH
HD
OOH
SN
O1H
SC
O1H
FT
This command enables the drive to execute following self-test and reports the results to the error register
described in Table 10.7.2-1.
(1) ROM checksum test
(2) RAM test
(3) Controller LSI register test
An interrupt is generated at the completion of this command.
When two drives are daisy-chained on the interface, both drives execute the self test and the Drive0 reports
valid error information of the two drives.