Interface
5-36
C141-E171-03EN
Table 5.4 Information to be read by IDENTIFY DEVICE command (3 of 3)
Word
Value
Description
86
*14
Valid of command sets/function *14
87
*15
Default of command sets/function *15
88
X’xx3F’
Ultra DMA transfer mode *16
89
Set by a device
Security Erase Unit execution time (1 LSB: 2 min.) *21
90
X’0000’
Enhanced Security Erase Unit execution time
(1 LSB: 2 min.)
91
(Variable)
Advance power management level
92
(Variable)
Master password revision
93
*17
Hardware configuration *17
94
(Variable)
Acoustic Management level *22
95-99
X’0000’
Reserved
100-103
X’xx’
Total number of sectors accessible by users in the 48-bit LBA
mode
104-127
X’00’
Reserved
128
X’0xxx’
Security status *18
129-159
X’0000’
Undefined
160-254
X’0000’
Reserved
255
X’xxA5’
Check sum (The 2 complement of the lower order byte resulting
from summing bits 7 to 0 of word 0 to 254 and word 255, in
byte units.)
*1 Word 0: General configuration
Bit 15:
ATA device = 0, ATAPI device = 1
Bit 14-8:
Undefined
Bit 7:
Removable disk drive = 1
Bit 6:
Fixed drive = 1
Bit 5-3:
Undefined
Bit 2:
IDENTIFY DEVICE Valid = 0
Bit 1-0:
Reserved
*2 Word 1, 3, 6, 60-61
MHS2060AT
MHS2040AT
MHS2030AT
MHS2020AT
Word 01
X’3FFF’
X’3FFF’
X’3FFF’
X’3FFF’
Word 03
X’10’
X’10’
X’10’
X’10’
Word 06
X’3F’
X’3F’
X’3F’
X’3F’
Word 60-61
X’6FC7C80’
X’4A85300’
X’37E3E40’
X’2542980’
Содержание MHS2020AT
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Страница 60: ...Theory of Device Operation 4 6 C141 E171 03EN Figure 4 3 Circuit Configuration ...
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