IBM IC35L020 - Deskstar 20 GB Hard Drive - Read Native Max Address (F8 H); Figure 94. Read Native Max LBA;CYL (F8 H)

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––0V000V00000
ERRIDXCORDRQDSCDFRDYBSYAMNT0NABT0IDN0UNCCRC
0123456701234567
Status RegisterError 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