Hitachi hard disk drive specifications
204
address shall be changed to the native maximum address, the value placed in words (61:60) shall be
268,435,455 and the value placed in words (103:100) shall be the native maximum address.
If a host protected area has been established by a Set Max Address Ext command, the device shall return
command aborted.
Output Parameters To The Device
B
Option bit for selection whether nonvolatile or volatile. B=0 is volatile condition. When
B=1, MAX Address which is set by Set Max Address command is preserved by POR.
When B=0, MAX Address which is set by Set Max Address command will be lost by
POR. B=1 is not valid when the device is in Address Offset mode.
Sector Number
In LBA mode, this register contains LBA bits 0
– 7 which is to be input.(L=1)
In CHS mode, this register is ignored. (L=0)
Cylinder High/Low
In LBA mode, this register contains LBA bits 8
– 15 (Low), 16 – 23 (High) which is to be
set. (L=1)
In CHS mode, this register contains cylinder number which is to be set.(L=0)
H
In LBA mode, this register contains LBA bits 24
– 27 which is to be set.(L=1)
In CHS mode, this register is ignored. (L=0)
Input Parameters From The Device
Sector Number
In LBA mode, this register contains max LBA bits 0
– 7 which is set.(L=1)
In CHS mode, this register contains max sector number (= 63). (L=0)
Cylinder High/Low
In LBA mode, this register contains max LBA bits 8
– 15 (Low), 16 – 23 (High) which is
set. (L=1)
In CHS mode, this register contains max cylinder number which is set. (L=0)
H
In LBA mode, this register contains max LBA bits 24
– 27 which is set. (L=1)
In CHS mode, this register contains max head number.(L=0)