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5.3 Host Commands
C141-E218 5-79
Table 5.22 Information to be read by IDENTIFY DEVICE command (2 of 2)
Word Value Description
65 X’0078’ Minimum multiword DMA transfer cycle time per word: 120 [ns]
66 X’0078’ Manufacturer’s recommended DMA transfer cycle time: 120 [ns]
67 X’00F0’ Minimum PIO transfer cycle time without IORDY flow control:
240 [ns]
68 X’0078’ Minimum PIO transfer cycle time with IORDY flow control:
120 [ns]
69-79 X’0000’ Reserved
80 X’007C’ Major version number *11
81 X’0019’ Minor version number
82 X’346B’ Support of command sets *12
83 X’5B29’ Support of command sets *13
84 X’40xx’ Support of command sets/function *14
85 *15 Valid of command sets/function *15
86 *16 Valid of command sets/function *16
87 *17 Default of command sets/function *17
88 X’xx3F’ Ultra DMA transfer mode *18
89 Set by a device Security Erase Unit execution time (1 LSB: 2 min.) *19
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 *20 Hardware configuration *20
94 (Variable) Acoustic Management level *21
95-99 X’0000’ Reserved
100-103 X’xx’ Total number of sectors accessible by users in the 48-bit LBA
mode *22
104-127 X’00’ Reserved
128 X’0xxx’ Security status *23
129-159 X’xxxx’ 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