14.20 Read Native Max ADDRESS EXT (27h)
Command Block Output Registers
Register
Data Low
Data High
Feature
Current
Previous
Sector Count
Current
Previous
LBA Low
Current
Previous
LBA Mid
Current
Previous
LBA High
Current
Previous
Device
Command
Error Register
7
6
5
4
CRC UNC
0
IDN
0
0
0
0
Figure 80 Read Native Max ADDRESS EXT (29h)
This command returns the native max LBA of HDD which is not effected by Set Max ADDRESS EXT command.
Input Parameters From The Device
LBA Low (HOB=0)
LBA Low (HOB=1)
LBA Mid (HOB=0)
LBA Mid (HOB=1)
LBA High (HOB=0)
LBA High (HOB=1)
Travelstar 5K160 (PATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
- D -
-
-
0 0 1 0 0 1 1 1
3
2
1
0
0
ABT T0N AMN
0
V
0
0
LBA (7:0) of the address of the Native max aress.
LBA (31:24)of the address of the Native max aress.
LBA (15:8)of the address of the Native max aress.
LBA (39:32)of the address of the Native max aress.
LBA (23:16)of the address of the first Native max aress.
LBA (47:40)of the address of the first Native max aress.
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Command Block Input Registers
Register
-
Data Low
-
Data High
-
Error
-
-
Sector Count
HOB=0 -
-
HOB=1 -
-
LBA Low
HOB=0 V V V V V V V V
-
HOB=1 V V V V V V V V
-
LBA Mid
HOB=0 V V V V V V V V
-
HOB=1 V V V V V V V V
-
LBA High
HOB=0 V V V V V V V V
-
HOB=1 V V V V V V V V
-
Device
Status
Status Register
7
6
5
4
BSY RDY DF DSC DRQ COR IDX
0
V
0
-
7 6 5 4 3 2 1 0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V -
-
-
-
-
-
-
...See Below...
3
2
1
0
ERR
-
0
-
V