360014937
Copyright © 2000 Toshiba corporation. All rights reserved.
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10.8.33.8 SMART Enable Operations
COMMAND CODE
1 0 1 1 0 0 0 0
REGISTER
REGISTER SETTING NORMAL COMPLETION
DR DRIVE No. no change
CY C24Fh no change
HD no change
SN no change
SC no change
FT D8h no change
This command enables access to all SMART capabilities of the drive. Prior to receipt of this command,
Parameters for drive failure prediction are neither monitored nor saved by the drive. The state of SMART
(either enabled or disabled) will be preserved by the drive across power cycles. Once enabled, the receipt of
subsequent SMART ENABLE OPERATIONS commands don’t affect any of the parameters for drive failure
prediction.
Upon receipt of this command from the host, the drive sets BSY, enables SMART capabilities and functions,
clears BSY and asserts INTRQ.
10.8.33.9 SMART Disable Operations
COMMAND CODE
1 0 1 1 0 0 0 0
REGISTER
REGISTER SETTING NORMAL COMPLETION
DR DRIVE No. no change
CY C24Fh no change
HD no change
SN no change
SC no change
FT D9h no change
This command disables all SMART capabilities within the drive including any and all timer functions related
exclusively to this function. After receipt of this command the drive may disable all SMART operations.
Parameters for drive failure prediction will no longer be monitored or saved by the drive. The state of
SMART (either enabled or disabled) will be preserved by the drive across power cycles.
Upon receipt of the SMART DISABLE OPERATIONS command from the host, the drive sets BSY, disables
SMART capabilities and functions, clears BSY and asserts INTRQ.
After receipt of this command by the drive, all other SMART commands, except for SMART ENABLE
OPERATIONS, are disabled and invalid and will be aborted by the drive (including SMART DISABLE
OPERATIONS commands) with an Aborted command error.