Read Native Max Address (F8H); Table 77: Read Native Max Address (F8H) - Hitachi HTS541010G9AT00 - Travelstar 100 GB Hard Drive Specifications

12.19 Read Native Max ADDRESS (F8h)

Table 77: Read Native Max ADDRESS (F8h)

Command Block Output Registers
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
7 6 5
CRC UNC 0
0 0 0
This command returns the native max LBA/CYL of the drive which is not effected by the Set Max ADDRESS
command. Even if the Address Offset mode is enabled, the native max LBA/CYL is returned.
The 48-bit native max address is greater than 268,435,455, the Read Native Max Address command returns 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
-
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 L 1 - - - - -
1 1 1 1 1 0 0 0
Error Register
4 3 2 1
IDN 0 ABT T0N AMN
0 0 V 0
LBA mode. This indicates the addressing mode. L = 0 specifies CHS mode and L = 1
specifies the LBA addressing mode.
This is the device number bit. Indicates that the device number bit of the Device/Head
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 the native max LBA bits 0–7. (L = 1)
In CHS mode this register contains the native max LBA Low. (L = 0)
In LBA mode this register contains the native max LBA bits 8–15 (Mid) and bits 16–23
(High). (L = 1)
In CHS mode this register contains the native max cylinder number. (L = 0)
In LBA mode this register contains the native max LBA bits 24–27. (L = 1)
In CHS mode this register contains the native maximum 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.
This indicates that the bit is not used
Travelstar 5K100 (Serial ATA) Hard Disk Drive Specification
Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
0 7 6
BSY RDY DF DSC DRQ
0 0 V
118
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
Status Register
5 4 3 2
COR IDX
0 - - 0
1 0
ERR
- V