Table 74: S.M.A.R.T. Features
Task File Register
7
6
5
4
3
2
1
0
COMMAND
B0h
DRIVE/HEAD
1
1
1
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
C2h
4Fh
nu
XXh
Feature
Details of S.M.A.R.T. features are described in Section 9.
8.32 Standby (96h or E2)
This command causes the Drive to set BSY, enter the Sleep mode (which corresponds to the ATA ‘Standby’
Mode), clear BSY and return the interrupt immediately. Recovery from Sleep mode is accomplished by
issuing another command. Table 75 defines the Standby command Byte sequence.
Table 75: Standby
Task File Register
7
6
5
4
3
2
1
0
COMMAND
96h or E2h
DRIVE/HEAD
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
D
nu
nu
nu
nu
nu
nu
8.33 Standby Immediate (94h or E0h)
This command causes the Drive to set BSY, enter the Sleep mode (which corresponds to the ATA Standby
Mode), clear BSY and return the interrupt immediately.
Recovery from Sleep mode is accomplished by issuing another command. Table 76 defines the Standby
Immediate Byte sequence.
Table 76: Standby Immediate
Task File Register
7
6
5
4
3
2
1
0
COMMAND
94h or E0h
DRIVE/HEAD
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
D
nu
nu
nu
nu
nu
nu
8.34 Translate Sector (87h)
This command is effectively a NOP command and only implemented for backward compatibility. The Sector
Count Register will always be returned with a ‘00h’ indicating Translate Sector is not needed.
Table 77 defines the Translate Sector command Byte sequence.
Table 77: Translate Sector
Task File Register
7
6
5
4
3
2
1
0
COMMAND
87h
DRIVE/HEAD
1
LBA
1
D
Head (LBA 27-24)
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
Cylinder High (LBA23-16)
Cylinder Low (LBA15-8)
nu (LBA7-0)
nu
nu
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.00
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
P-120_data_sheet_PA-QxBO_Rev100.doc
Page 58 of 76
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