Seagate ST1000VX000 SV35 Series SATA Product Manual - Page 40
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Word 53 54 55 56 57-58 59 60-61 62 63 64 65 66 67 68 69-74 75 76 77 78 79 80 81 82 Description Value Words 54-58, 64-70 and 88 are valid Number of current logical cylinders Number of current logical heads Number of current logical sectors per logical track Current capacity in sectors Number of sectors transferred during a Read Multiple or Write Multiple command 0007H xxxxH xxxxH xxxxH xxxxH xxxxH Total number of user-addressable LBA sectors available (see Section 2.2 for related information) *Note: The maximum value allowed in this field is: 0FFFFFFFh (268,435,455 sectors, 137 Gbytes). Drives with capacities over 137 Gbytes will have 0FFFFFFFh in this field and the actual number of user-addressable LBAs specified in words 100-103. This is required for drives that support the 48-bit addressing feature. 0FFFFFFFh* Retired Multiword DMA active and modes supported (see note following this table) 0000H xx07H Advanced PIO modes supported (modes 3 and 4 supported) 0003H Minimum multiword DMA transfer cycle time per word (120 nsec) 0078H Recommended multiword DMA transfer cycle time per word (120 nsec) 0078H Minimum PIO cycle time without IORDY flow control (240 nsec) 00F0H Minimum PIO cycle time with IORDY flow control (120 nsec) 0078H ATA-reserved 0000H Queue depth 0000H Serial ATA capabilities xxxxH Reserved for future Serial ATA definition xxxxH Serial ATA features supported xxxxH Serial ATA features enabled xxxxH Major version number 003EH Minor version number 0000H Command sets supported 364BH 34 SV35 Series SATA Product Manual, Rev. B