IBM DTCA-24090 Hard Drive Specifications - Page 104

SMART Enable/Disable Attribute Autosave

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Proto col Command Code (Hex) 3 Sleep E6 3 Sleep* 99 3 SMART Disable Operations B0 3 SMART Enable/Disable Attribute Autosave B0 3 SMART Enable Operations B0 3 SMART Execute Off line Immediate B0 1 SMART Read Attribute Values B0 1 SMART Read Attribute Thresholds B0 3 SMART Return Status B0 3 SMART Save Attribute Values B0 3 Standby E2 3 Standby* 96 3 Standby Immediate E0 3 Standby Immediate* 94 2 Write Buffer E8 4 Write DMA (retry) CA 4 Write DMA (no retry) CB 2 Write Long (retry) 32 2 Write Long (no retry) 33 2 Write Multiple C5 2 Write Sectors (retry) 30 2 Write Sectors (no retry) 31 2 Write Verify 3C Protocol : 1 : PIO data IN command 2 : PIO data OUT command 3 : Non data command 4 : DMA command + : Vendor specific command Binary Code Bit 76543210 11100110 10011001 10110000 10110000 10110000 10110000 10110000 10110000 10110000 10110000 11100010 10010110 11100000 10010100 11101000 11001010 11001011 00110010 00110011 11000101 00110000 00110001 00111100 Figure 55. Command Set - continued Commands marked * are alternate command codes for previously defined commands. 96 OEM Specifications of DTCA-2xxxx 2.5 inch H D D

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Proto
Command
Code
Binary Code
col
(Hex)
Bit
76543210
3
Sleep
E6
11100110
3
Sleep*
99
10011001
3
SMART Disable Operations
B0
10110000
3
SMART Enable/Disable Attribute Autosave
B0
10110000
3
SMART Enable Operations
B0
10110000
3
SMART Execute Off line Immediate
B0
10110000
1
SMART Read Attribute Values
B0
10110000
1
SMART Read Attribute Thresholds
B0
10110000
3
SMART Return Status
B0
10110000
3
SMART Save Attribute Values
B0
10110000
3
Standby
E2
11100010
3
Standby*
96
10010110
3
Standby Immediate
E0
11100000
3
Standby Immediate*
94
10010100
2
Write Buffer
E8
11101000
4
Write DMA (retry)
CA
11001010
4
Write DMA (no retry)
CB
11001011
2
Write Long (retry)
32
00110010
2
Write Long (no retry)
33
00110011
2
Write Multiple
C5
11000101
2
Write Sectors (retry)
30
00110000
2
Write Sectors (no retry)
31
00110001
2
Write Verify
3C
00111100
Protocol :
1
: PIO data IN command
2
: PIO data OUT command
3
: Non data command
4
: DMA command
+
: Vendor specific command
Figure 55. Command Set - continued
Commands marked * are alternate command codes for previously defined commands.
96
OEM Specifications of DTCA-2xxxx 2.5 inch HDD