Read Native Max Address Ext (27H) - Hitachi HDS725050KLA360 Specifications

12.22 Read Native Max Address Ext (27h)

Table 121: Read Native Max Address Ext command (27h)
Command Block Output Registers
Register
Data Low
Data High
Feature Current
Previous
Sector Current
Count
Previous
Sector Current
Number
Previous
Cylinder Current
Low
Previous
Cylinder Current
High
Previous
Device/Head
Command
7 6 5
CRC UNC 0
0 0 0
This command returns the native max LBA of HDD which is not effected by Set Max Address Ext command.
Input parameters from the device
Sector Number (HOB=0)
Sector Number (HOB=1)
Cylinder Low (HOB=0)
Cylinder Low (HOB=1)
Cylinder High (HOB=0)
Cylinder High (HOB=1)
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 1 1 D - - - -
0 0 1 0 0 1 1 1
Error Register
4 3 2 1
IDN 0 ABT T0N AMN
0 0 V 0
LBA (7:0) of the address of the Native max address
LBA (31:24) of the address of the Native max address
LBA (15:8) of the address of the Native max address
LBA (39:32) of the address of the Native max address
LBA (23:16) of the address of the Native max address
LBA (47:40) of the address of the Native max address
Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
Command Block Input Registers
Register
Data Low
Data High
Error
Sector
Count
Sector
Number
Cylinder
Low
Cylinder
High
Device/Head
Status
0 7 6
BSY RDY DF DSC DRQ
0 0 V
160
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
see below
HOB=0 - - - - - - - -
HOB=1 - - - - - - - -
HOB=0 V V V V V V V V
HOB=1 V V V V V V V V
HOB=0 V V V V V V V V
HOB=1 V V V V V V V V
HOB=0 V V V V V V V V
HOB=1 V V V V V V V V
- - - - - - - -
See below ...
Status Register
5 4 3 2
COR IDX
0 - - 0
1 0
ERR
- V