Read Native Max Address (F8H); Figure 79 Read Native Max Address (F8H) - Hitachi HTS541616J9AT00 - Travelstar 160 GB Hard Drive Specifications

2.5 inch ata/ide hard disk drive
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14.19 Read Native Max ADDRESS (F8h)

Block Output Registers Command
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
Error Register
7
6
5
4
CRC UNC
0
IDN
0
0
0
0

Figure 79 Read Native Max ADDRESS (F8h)

This command returns the native max LBA/CYL of HDD which is not effected by Set Max ADDRESS command.
Even if the Address Offset mode is enabled, the native max LBA/CYL of HDD is returned.
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
D
-
Input Parameters From The Device
LBA Low
LBA High/Mid
H
V
-
Travelstar 5K160 (PATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- L - D - - - -
1 1 1 1 1 0 0 0
3
2
1
0
0
ABT T0N
AM
N
0
V
0
0
LBA mode. Indicates the addressing mode. L=0 specifies CHS mode and L=1 does
LBA addressing mode.
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.
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)
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)
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)
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.
127 / 188
Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
Status Register
7
6
5
4
BSY RDY
DF
DSC DRQ COR IDX ERR
0
V
0
-
7 6 5 4 3 2 1 0
- - - - - - - -
...See Below...
- - - - - - - -
V V V V V V V V
V V V V V V V V
V V V V V V V V
- - - - H H H H
...See Below...
3
2
1
0
-
0
-
V

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