IBM IC35L020 Hard Drive Specifications - Page 154
Security Erase Unit F4h
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15.22 Security Erase Unit (F4h) 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 - 1 D - - - - Command 1 1 1 1 0 1 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 000V0V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 101. Security Erase Unit Command (F4h) The Security Erase Unit command initializes all user data sectors and then disables the device lock function. Note that the Security Erase Unit command initializes from LBA 0 to Native MAX LBA. The Host MAX LBA set by the Initialize Drive Parameter or the Set MAX Address command is ignored. So the protected area by the Set MAX Address command is also initialized. This command requests to transfer a single sector data from the host including information specified in the following figure. If the password does not match, the device rejects the command with an Aborted error. Deskstar 60 GXP Hard disk drive specification 140