IBM DTLA-305040 Hard Drive Specifications - Page 172
Set Max Lock Feature = 02h
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12.29.2 Set Max Lock (Feature = 02h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature 0 0 0 0 0 0 1 0 Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 1 1 0 0 1 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 1 - 1 D - - - - 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 122. Set Max Lock The device regards as Set Max Address command if this command is immediately preceded by a Read Native Max Address command. This command sets the device into Set_Max_Locked state. After this command is completed, any other Set Max commands except Set Max Unlock and Set Max Freeze Lock are rejected. The device remains in this state until a power cycle or the acceptance of a Set Max Unlock or Set Max Freeze Lock command. Deskstar 40GV & 75GXP hard disk drive specifications 160
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