Hitachi IC25N040ATCS04-0 Specifications - Page 154
Read Native Max ADDRESS F8h
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UPC - 683728198664
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13.16 Read Native Max ADDRESS (F8h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 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 Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head - - - - H H H H Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 - - 0 -V Figure 101. Read Native Max ADDRESS (F8h) 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. 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 Sector Number In LBA mode this register contains the native max LBA bits 0-7. (L = 1) In CHS mode this register contains the native max sector number. (L = 0) Cylinder High/Low In LBA mode this register contains the native max LBA bits 8-15 (Low) 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) Hitachi Travelstar 60GH & 40GN hard disk drive specifications 141
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