Momentus 4200.2 Product Manual, Rev. C
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51 PIO data-transfer cycle timing mode 0200H
52 Retired 0200H
53 Words 54–58, 64–70 and 88 are valid 0007H
54 Number of current logical cylinders xx xxH
55 Number of current logical heads xxxxH
56 Number of current logical sectors per logical track xxxxH
57–58 Current capacity in sectors xxxxH
59 Number of sectors transferred during a Read Multiple or Write
Multiple command xxxxH
60–61 Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
ST9120824A = 234,441,648
ST9100825A = 195,371,568
ST980829A = 156,301,488
ST960812A = 117,210,240
ST950814A = 97,692,174
ST9402112A = 78,140,160
ST930218A = 58,605,120
62 Retired 0000H
63 Multiword DMA active and modes supported (see note
following this table) xx07H
64 Advanced PIO modes supported (modes 3 and 4 supported) 0003H
65 Minimum multiword DMA transfer cycle time per word (120
nsec) 0078H
66 Recommended multiword DMA transfer cycle time per word
(120 nsec) 0078H
67 Minimum PIO cycle time without IORDY flow control (240
nsec) 00F0H
68 Minimum PIO cycle time with IORDY flow control (120 nsec) 0078H
69–74 ATA-reserved 0000H
75 Queue depth 0000H
76–79 ATA-reserved 0000H
80 Major version number 007EH
81 Minor version number 0000H
82 Command sets supported 346BH
83 Command sets supported 7D01H
84 Command sets support extension 4003H
85 Command sets enabled 34xxH
86 Command sets enabled 3xxxH
87 Command sets enable extension 4003H
88 Ultra DMA support and current mode
(see note following this table) xx3FH
89 Security erase time 0000H
Word Description Value