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15.16 Read Native Max Address (F8h)
see below
Status
1 1 1 1 1 0 0 0
Command
- - - - H H H H
Device/Head
1 L 1 D - - - -
Device/Head
V V V V V V V V
Cylinder High
- - - - - - - -
Cylinder High
V V V V V V V V
Cylinder Low
- - - - - - - -
Cylinder Low
V V V V V V V V
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
- - - - - - - -
Sector Count
see below
Error
- - - - - - - -
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input
Registers
Command Block Output
Registers
V
–
0
–
–
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 94. Read Native Max LBA/CYL (F8h)
This command returns the native max LBA/CYL of the drive which is not effected by Set Max Address
command.
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)
Deskstar 60 GXP Hard disk drive specification
132
Содержание IC35L020 - Deskstar 20 GB Hard Drive
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