Table 115 Read Native Max Address (F8H); Read Native Max Address (F8H) - Hitachi HDS723020BLA642 Specifications
3.5 inch serial ata hard disk drive
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- Datasheet (2 pages) ,
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11.21 Read Native Max Address (F8h)
Block Output Registers Command
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7
6
5
CRC UNC
0
0
0
0
Table 115 Read Native Max ADDRESS (F8h)
This command returns the native max LBA/CYL of HDD which is not affected by Set Max Address command.
The 48-bit native max address is greater than 268,435,455; the Read Native Max Address command shall return
a value of 268,435,455.
Input Parameters From The Device
Sector Number
In LBA mode, this register contains native max LBA bits 0-7. (L=1)
In CHS mode, this register contains native max sector number. (L=0)
Cylinder High/Low
In LBA mode, this register contains native max LBA bits 8-15 (Low), 16-23 (High).
(L=1)
In CHS mode, this register contains native max cylinder number. (L=0)
H
In LBA mode, this register contains native max LBA bits 24-27. (L=1)
In CHS mode, this register contains native max head number.(L=0)
7
6
5
4
3
2
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
L
1
D
-
-
-
1
1
1
1
1
0
0
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Hitachi hard disk drive specifications
Command Block Input Registers
0
Register
7
-
Data
-
-
Error
-
Sector Count
-
-
Sector Number
V
-
Cylinder Low
V
-
Cylinder High
V
-
Device/Head
-
0
Status
Status Register
0
7
6
5
BSY RDY
DF
0
0
V
0
165
6
5
4
3
2
1
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
-
-
-
H
H
H
...See Below...
4
3
2
1
DSC DRQ COR IDX ERR
-
-
0
-
0
-
-
V
V
V
H
0
V
- Quick Links:
- Table 1 Type and Model
- General Features
- Data Sheet
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