IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 156

IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Manual

Page 156 highlights

11.21 Security Disable Password (F6h) Command Block Output Registers Register Data Feature Sector Count 7 6 5 4 3 2 1 0 Command Block Input Registers Register Data Error Sector Count 7 6 5 4 3 2 1 0 see below Sector Number Cylinder Low Sector Number Cylinder Low Cylinder High Device/Head Command 1 - 1 D - - - 1 1 1 1 0 1 1 0 Error Register 7 6 5 0 0 4 IDN 0 3 0 0 2 1 0 Cylinder High Device/Head Status see below Status Register 7 6 5 4 3 2 1 0 CRC UNC 0 0 ABT T0N AMN V 0 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 - V Figure 119. Security Disable Password Command (F6h) The Security Disable Password command disables the security mode feature (device lock function). The Security Disable Password command requests a transfer of a single sector of data from the host including information specified in the figure below. Then the device checks the transferred password. If the User Password or Master Password matches the given password, the device disables the security mode feature (device lock function). This command does not change the Master Password which may be reactivated later by setting User Password. This command should be executed in device unlock mode. Word 00 01-16 17-255 Description Control Word bit 0 : Identifier (1- Master, 0- User) bit 1-15 : Reserved Password (32 bytes ) Reserved Figure 120. Password Information for Security Disable Password command The device will compare the password sent from this host with that specified in the control word. Identifier Zero indicates that the device should check the supplied password against the user password stored internally. One indicates that the device should check the given password against the master password stored internally. Deskstar 120GXP hard disk drive specifications 142




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IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Manual