Data Field Type Information
51 0200h 2 PIO data transfer cycle timing mode
52 0000h 2 Obsolete
53 000Xh 2 Field Validity
54 XXXXh 2 Current numbers of cylinders
55 XXXXh 2 Current numbers 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 01XXh 2 Multiple sector setting
60-61 XXXXh 4 Total number of sectors addressable in LBA Mode
62 0000h 2 Reserved
63 0007h 2 Multiword DMA transfer. In PC Card modes this value shall be 0h
64 0003h 2 Advanced PIO modes supported
65 0078h 2
Minimum Multiword DMA transfer cycle time per word. In PC Card modes this value
shall be 0h
66 0078h 2
Recommended Multiword DMA transfer cycle time. In PC Card modes this
value shall be 0h
67 0078h 2 Minimum PIO transfer cycle time without flow control
68 0078h 2 Minimum PIO transfer cycle time with IORDY flow control
69-79 0000h 20 Reserved
80 0000h 2 Major version number
81 0000h 2 Minor version number
82 7028h 2 Command sets supported
83 500Ch 2 Command sets supported
84 4000h 2 Command sets supported
85 XXXXh 2 Command sets enabled
86 XXXXh 2 Command sets enabled
87 XXXXh 2 Command sets enabled
88 007Fh 2 Ultra DMA Mode Supported and Selected
89 XXXXh 2 Time required for Security erase unit completion
90 XXXXh 2 Time required for Enhanced security erase unit completion
91 XXXXh 2 Current Advanced power management value
92 XXXXh 2 Master password revision code
93-127 0000h 70 Reserved
128 XXXXh 2 Security status
129-159 0000h 64 Vendor unique bytes
160 81F4h 2 Power requirement description
161 0000h 2 Reserved
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