Hitachi 7K320 Specifications - Page 118
Read Native Max Address F8h
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UPC - 890552647200
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7K320 (SATA) OEM Specification 14.20 Read Native Max Address (F8h) Block Output Registers Command Register 76543210 Data -------- Feature -------- Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device -L- - - - - - Command 11111000 Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count -------- LBA Low VVVVVVVV LBA Mid VVVVVVVV LBA High VVVVVVVV Device - - - - HHHH Status ...See Below... Error Register 7 6 5 4 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 000 0 0V0 0 Table 87 Read Native Max Address Command (F8h) Status Register 7 6 5 4 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0V0 - - 0 0V This command returns the native max LBA/CYL of HDD which is not affected by Set Max Address command. The 48-bit native max address is greater than 268,435,455, the Read Native Max Address command return a value of 268,435,455. Output Parameters To The Device L LBA mode.Indicates the addressing mode.L=0 specifies CHS mode and L=1 does LBA addressing mode. D The device number bit. Indicates that the device number bit of the Device 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 native max LBA bits 0 - 7. (L=1) In CHS mode, this register contains native max LBA Low. (L=0) LBA High/Mid In LBA mode, this register contains native max LBA bits 8 - 15 (Mid), 16 - 23 (High). (L=1) In CHS mode, this register contains native max cylinder number. (L=0) H In LBA mode, this register contains native max LBA bits 24 - 27. (L=1) In CHS mode, this register contains native max 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. - Indicates that the bit is not used. Page 118 of 176
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