Hitachi HTS543212L9SA00 Manual Do Utilizador

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                       5K320 SATA OEM Specification 
127 
 
14.27  Security Disable Password (F6h)   
Command Block Output Registers 
   Command Block Input Registers 
Register 
7  6  5  4  3  2  1  0     Register 
7  6  5  4  3  2  1  0 
Data 
-  -  -  - 
-  -  -     Data 
-  -  -  -  -  -  - 
Feature 
-  -  -  - 
-  -  -     Error 
...See Below... 
Sector Count 
-  -  -  - 
-  -  -     Sector Count 
-  -  -  -  -  -  - 
LBA Low  
-  -  -  - 
-  -  -     LBA Low  
-  -  -  -  -  -  - 
LBA Mid 
-  -  -  - 
-  -  -     LBA Mid 
-  -  -  -  -  -  - 
LBA High 
-  -  -  - 
-  -  -     LBA High 
-  -  -  -  -  -  - 
Device 
-  -  -  - 
-  -  -     Device 
-  -  -  -  -  -  - 
Command 
1  1  1  1  0  1  1  0     Status 
...See Below... 
 
Error Register 
  
Status Register 
  
CRC  UNC 
IDN 
ABT   T0N 
AM
   BSY  RDY 
DF 
DSC  DRQ   COR  IDX  ERR 
  
Table  93 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 following table.  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).  T his  command does  not  change  the Master 
Password which may be re-activated later by setting User Password. This command should be 
executed in device unlock mode.   
Word 
Description 
00 
Control word 
  
bit 0 
: Identifier (1-Mater, 0-User) 
  
bit 1-15   
: Reserved 
01-16 
Password 
(32 bytes) 
17-255 
Reserved 
  
Table  94 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.