Hitachi hard disk 0J11285 500 GB 2.5 " 8 MB 0J11285 Scheda Tecnica

Z5K500 OEM Specifications 

73 

The following symbols are used in the command descriptions:   

Output Registers 
0 

Indicates that the bit must be set to 0. 

1 

Indicates that the bit must be set to 1. 

H 

Head number. Indicates that the head number part of the Device Register is an output parameter 
and should be specified. 

L 

LBA mode. Indicates the addressing mode. Zero specifies CHS mode and one does LBA 
addressing mode. 

R 

Retry. Original meaning is already obsolete, there is no difference between 0 and 1. (Using 0 is 
recommended for future compatibility.) 

B 

Option Bit. Indicates that the Option Bit of the Sector Count Register should be specified. (This bit 
is used by Set Max ADDRESS command) 

V 

Valid. Indicates that the bit is part of an output parameter and should be specified. 

X 

Indicates that the hex character is not used. 

- 

Indicates that the bit is not used. 

Input Registers 
0 

Indicates that the bit is always set to 0. 

1 

Indicates that the bit is always set to 1. 

H 

Head number. Indicates that the head number part of the Device Register is an input parameter 
and will be set by the device. 

V 

Valid. Indicates that the bit is part of an input parameter and will be set to 0 or 1 by the device. 

N 

Not recommendable condition for start up. Indicates that the condition of device is not 
recommendable for start up. 

- 

Indicates that the bit is not part of an input parameter. 

The command descriptions show the contents of the Status and Error Registers after the device has 
completed processing the command.