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 Address
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.
