IBM DJSA-210 Hard Drive Specifications - Page 170

ADDRESS command-is preserved by POR and HARD RESET. When B = 0, SET MAX SET PASSWORD

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Output Parameters To The Device Feature Destination code for this command 00h na 01h SET MAX SET PASSWORD 02h SET MAX LOCK 03h SET MAX UNLOCK 04h SET MAX FREEZE LOCK When the Set Max ADDRESS command is executed, this register is ignored. B This indicates the option bit for selection whether nonvolatile or volatile. B = 0 is the volatile condition. When B = 1, MAX LBA/CYL-which is set by the Set Max ADDRESS command-is preserved by POR and HARD RESET. When B = 0, MAX LBA/CYL-which is set by Set Max ADDRESS command-will be lost by POR and HARD RESET. B = 1 is not valid when the device is in Address Offset mode and the command is aborted. Sector NumberIn LBA mode this register contains LBA bits 0-7 which are 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) and bits 16-23 (High) which are to be set. (L = 1) In CHS mode this register contains the cylinder number which is to be input. (L = 0) H In LBA mode this register contains LBA bits 24-27 which are to be input. (L = 1) In CHS mode this register is ignored. (L = 0) L This indicates the LBA addressing mode. L = 0 specifies the CHS mode and L = 1 specifies the LBA addressing mode. D This indicates the device number bit. The device number bit of the Device/Head should be specified. D = 0 selects the master device and D = 1 selects the slave device. V This indicates Valid. The bit is part of an output parameter and should be specified. - This indicates that the bit is not used. Input Parameters From The Device Sector NumberIn LBA mode this register contains the Adjusted max. LBA bits 0-7.(L = 1) In CHS mode this register contains the maximum sector number (= 63). (L = 0) Cylinder High/Low In LBA mode this register contains the Adjusted max. LBA bits 8-15 (Low) and bits 16-23 (High). (L = 1) In CHS mode this register contains the max. cylinder number which is set. (L = 0) H In LBA mode this register contains the Adjusted max. LBA bits 24-27. (L = 1) In CHS mode this register contains the maximum head number (= 15). (L = 0) V 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 32GH/30GT/20GN hard disk drive specifications 156

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Output Parameters To The Device
Feature
Destination code for this command
00h
na
01h
SET MAX SET PASSWORD
02h
SET MAX LOCK
03h
SET MAX UNLOCK
04h
SET MAX FREEZE LOCK
When the Set Max ADDRESS command is executed, this register is ignored.
B
This indicates the option bit for selection whether nonvolatile or volatile. B = 0 is
the volatile condition. When B = 1, MAX LBA/CYL—which is set by the Set Max
ADDRESS command—is preserved by POR and HARD RESET. When B = 0,
MAX LBA/CYL—which is set by Set Max ADDRESS command—will be lost by
POR and HARD RESET. B = 1 is not valid when the device is in Address Offset
mode and the command is aborted.
Sector Number
In LBA mode this register contains LBA bits 0–7 which are 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) and bits 16–23 (High)
which are to be set. (L = 1)
In CHS mode this register contains the cylinder number which is to be input.
(L = 0)
H
In LBA mode this register contains LBA bits 24–27 which are to be input. (L = 1)
In CHS mode this register is ignored. (L = 0)
L
This indicates the LBA addressing mode. L = 0 specifies the CHS mode and L = 1
specifies the LBA addressing mode.
D
This indicates the device number bit. The device number bit of the Device/Head
should be specified. D = 0 selects the master device and D = 1 selects the slave
device.
V
This indicates
Valid. The bit is part of an output parameter and should be
specified.
-
This indicates that the bit is not used.
Input Parameters From The Device
Sector Number
In LBA mode this register contains the Adjusted max. LBA bits 0–7.(L = 1)
In CHS mode this register contains the maximum sector number (= 63). (L = 0)
Cylinder High/Low
In LBA mode this register contains the Adjusted max. LBA bits 8–15 (Low) and
bits 16–23 (High). (L = 1)
In CHS mode this register contains the max. cylinder number which is set. (L = 0)
H
In LBA mode this register contains the Adjusted max. LBA bits 24–27. (L = 1)
In CHS mode this register contains the maximum head number (= 15). (L = 0)
V
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 32GH/30GT/20GN hard disk drive specifications
156