Hitachi HTS541680J9SA00 Specifications - Page 81

Travelstar 5K160 (SATA) Hard Disk Drive Specification 14.7 Format Unit (F7h: Vendor Specific) Command Block Output Registers Register 76543210 Data -------- Feature VVVVVVVV Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device -------- Command 11110111 Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device -------- Status ...See Below... Error Register 7 8 9 10 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 000V0V0 0 Figure 32 Format Unit Command (F7h) Status Register 7 6543 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0V0V - 0 0V The Format Unit command initializes all user data sectors after merging reassigned sector location into the defect information of the device and clearing the reassign information. Both new reassign information and new defect information are available right after this command completion, and are also used on next power on reset. Both previous information are erased from the device by this command. Note that the Format Unit command initializes from LBA 0 to Native MAX LBA. Host MAX LBA set by Initialize Drive Parameter or Set MAX ADDRESS command is ignored. So the protected area by Set MAX ADDRESS commands is also initialized. The security erase prepare command should be completed immediately prior to the Format Unit command. If the device receives a Format Unit command without a prior Security Erase Prepare command the device aborts the Format Unit command. If Feature register is NOT 11h, the device returns Abort error to the host. This command does not request to data transfer. Output Parameters To The Device Feature Destination code for this command 11H Merge reassigned location into the defect information The execution time of this command is shown below. HTS541616J9SA00 HTS541612J9SA00 HTS541680J9SA00 HTS541660J9SA00 HTS541640J9SA00 81 min 71 min 42 min 37 min 22 min 81/167