ATA Command Description SanDisk CompactFlash Card OEM Product Manual
Table 5-8 Identify Device Information
Word
Address Default Value Total Bytes Data Field Type Information
51 0200h 2 PIO data transfer cycle timing mode
52 0000h 2 Single word DMA data transfer cycle timing
mode (not supported)
53 0003h 2 Field validity
54 XXXXh 2 Current number of cylinders
55 XXXXh 2 Current number of heads
56 XXXXh 2 Current sectors per track
57-58 XXXXh 4 Current capacity in sectors (LBAs)
(Word 57 = LSW, Word 58 = MSW)
59 010Xh 2 Multiple sector setting is valid
60-61 XXXXh 4 Total number of sectors addressable in LBA
Mode
62 0000h 2 Single word DMA transfer (not supported)
63 0X07h 2 0-7: Multiword DMA modes supported
15-8: Multiword DMA mode active
64 0003h 2 Advanced PIO modes supported
65 0078h
(IDE Mode only)
2 Minimum multiword DMA transfer cycle time
per word in ns
66 0078h
(IDE Mode only)
2 Recommended multiword DMA transfer cycle
time per word in ns
67 0078h 2 Minimum PIO transfer without flow control
68 0078h 2 Minimum PIO transfer with IORDY flow control
69-79 0000h 20 Reserved
80 00XXh 2 Major ATA version
81 0000h 2 Minor ATA version
82 00X0h 2 Features/command sets supported
83 4004h 2 Features/command sets supported
84 4000h 2 Features/command sets supported
85 0000h 2 Features/command sets enabled
86 0004h 2 Features/command sets enabled
87 4000h 2 Features/command sets enabled
88 0000h 2 Ultra DMA Mode supported and selected
89 XXXXh 2 Time required for security erase-unit
completion
90 0000h 2 Time required for enhanced security erase-unit
completion
91 XXXXh 2 Current advanced power management value
92-127 0000h 72 Reserved
128-159 0000h 64 Reserved vendor-unique bytes
160 0000h 2 Power requirement description
161 0000h 2 Reserved for assignment by the CFA
162 0000h 2 Key management schemes supported
02/07, Rev. 12.0 5-6 © 2007 SanDisk Corporation
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