Hitachi 7K400 Specifications - Page 211
Set Max ADDRESS F9h
UPC - 000053412935
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12.42 Set Max ADDRESS (F9h) Table 145: Set Max ADDRESS command (F9h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature V V V V V V V V Sector Count B 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 1 L 1 D H H H H Command 1 1 1 1 1 0 0 1 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 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 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V If this command is immediately preceded by a Read Native Max Address command, the device regards it as a Set Max Address command. The device receives this command without a prior Read Native Max Address command and regards it as a Set Max security extensions command according to feature register value. Valid features values are as shown below: • 01h indicates Set Max Set Password command • 02h indicates Set Max Lock command • 03h indicates Set Max Unlock command • 04h indicates Set Max Freeze LOCK command This command overwrites the maximum number of Addresses of the drive in a range of actual device capacity. When the device receives this command, all accesses beyond that Address are rejected with setting ABORT bit in status register. Identify Device Command returns the Address which is set via this command as a default value. If the device in Address Offset mode receives this command with the nonvolatile option, the device returns aborted error to the host. The device returns command aborted for a second nonvolatile Set Max Address command until the next power on or hardware reset. The device returns command aborted during Set Max Locked mode or Set Max Frozen mode. After a successful command completion, Identify Device response words (61:60) shall reflect the maximum address set with this command. If the 48-bit Address feature set is supported, the value placed in Identify Device response words (103:100) shall be the same as the value placed in words (61:60). However, if the device contains greater than 268,435,455 sectors, the capacity addressable with 28-bit commands, and the address requested is 268,435,455, the max address shall be changed to the native maximum address, the value placed in words (61:60) shall be 268,435,455 and the value placed in words (103:100) shall be the native maximum address. Deskstar 7K400 Hard Disk Drive Specification 197