Hitachi HTS541040G9AT00 Specifications - Page 153
Read Native Max ADDRESS F8h
UPC - 000059826569
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13.19 Read Native Max ADDRESS (F8h) Table 94: Read Native Max ADDRESS (F8h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count LBA Low LBA Mid LBA High Device 1 L 1 D - - - - Command 1 1 1 1 1 0 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low V V V V V V V V LBA Mid V V V V V V V V LBA High V V V V V V V V Device - - - - - H H H H Status see below 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V This command returns the native max LBA/CYL of the drive which is not effected by the Set Max ADDRESS command. Even if the Address Offset mode is enabled, the native max LBA/CYL is returned. The 48-bit native max address is greater than 268,435,455, the Read Native Max Address command returns a value of 268,435,455. Output parameters to the device L LBA mode. This indicates the addressing mode. L = 0 specifies CHS mode and L = 1 specifies the LBA addressing mode. D This is the device number bit. Indicates that the device number bit of the Device/Head Register should be specified. D = 0 selects the master device and D = 1 selects the slave device. - Indicates that the bit is not used. Input parameters from the device LBA Low In LBA mode this register contains the native max LBA bits 0-7. (L = 1) In CHS mode this register contains the native max LBA Low. (L = 0) LBA High/Mid In LBA mode this register contains the native max LBA bits 8-15 (Mid) and bits 16-23 (High). (L = 1) In CHS mode this register contains the native max cylinder number. (L = 0) H In LBA mode this register contains the native max LBA bits 24-27. (L = 1) In CHS mode this register contains the native maximum head number. (L = 0) V Valid. Indicates that the bit is part of an input parameter and will be set to 0 or 1 by the device. - This indicates that the bit is not used Travelstar 5K100 Hard Disk Drive Specification 139