5K320 SATA OEM Specification
120
14.20
Read Native Max Address (F8h)
Block Output Registers Command
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
V V V V V V V V
LBA Mid
-
-
- - - - -
- LBA Mid
V V V V V V V V
LBA High
-
-
- - - - -
- LBA High
V V V V V V V V
Device
- L - - - - -
- Device
-
- - - H H H H
Command
1 1 1 1 1 0 0 0 Status
...See Below...
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC UNC
0
IDN
0
ABT T0N
AM
N
BSY RDY
DF
DSC DRQ COR IDX ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
0
V
Table 86 Read Native Max Address Command (F8h)
This command returns the native max LBA/CYL of HDD which is not affected by Set Max A ddress
command.
The 48-bit native max address is greater than 268,435,455, the Read Native Max Address command
return a value of 268,435,455.
Output Parameters To The Device
L
LBA mode.Indicates the addressing mode.L=0 specifies CHS mode and L=1 does LBA
addressing mode.
D
The device number bit. Indicates that the device number bit of the Device Register
should be specified. D=0 selects the master device and D=1 selects the slave device.
-
Indicates that the bit is not used.
Input Parameters From The Device
LBA Low
In LBA mode, this register contains native max LBA bits 0 - 7. (L=1)
In CHS mode, this register contains native max LBA Low. (L=0)
LBA
High/Mid
In LBA mode, this register contains native max LBA bits 8 - 15 (Mid), 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)
V
Valid. Indicates that the bit is part of an input parameter and will be set to 0 or 1 by the
device.
-
Indicates that the bit is not used.
