Hitachi C4K60 Specifications - Page 87
Read Max Address EXT Command [27h]
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7.5.22. Read Max Address EXT Command [27h] Task File Register 7 6 5 4 3 2 1 0 Command 27h Feature Previous setting XX Current setting XX LBA High Previous setting XX Current setting XX LBA Mid Previous setting XX Current setting XX LBA Low Previous setting XX Current setting XX Sector Count Previous setting XX Current setting XX Device X 1 X DEV X X X X The READ NATIVE MAX EXT command returns the native maximum 48-bit LBA of the device which is not affect by SET MAX ADDRESS EXT command or SET MAX ADDRESS EXT command. The data returned in the command block registers is the maximum device size as shown in the following tables. Task File Register LBA High LBA Mid LBA Low HOB = 1 HOB = 0 HOB = 1 HOB = 0 HOB = 1 HOB = 0 7 6 5 4 3 2 1 0 Maximum LBA bit 47 - 40 Maximum LBA bit 23 - 16 Maximum LBA bit 39 - 32 Maximum LBA bit 15 - 8 Maximum LBA bit 31 - 24 Maximum LBA bit 7 - 0 K6610170 Rev.2 Dec 22, 2004 - 87 -
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