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ATA Bus Interface and ATA Commands
6-76 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
in Table 6-31. However, in the READ CONFIGURATION command, bytes 0
through 31 of the data field are
not
KEY information, as they are in the SET
CONFIGURATION command. The drive reads these bytes as
QUANTUM
CONFIGURATION
, followed by eleven spaces. Users can read the configuration
into a buffer, then alter the configuration parameter settings.
6.7.28.2
6.7.28.2
6.7.28.2
6.7.28.2
Set Configuration – FEh/FFh
Set Configuration – FEh/FFh
Set Configuration – FEh/FFh
Set Configuration – FEh/FFh
The SET CONFIGURATION command is secured to prevent accessing it
accidentally. To access the SET CONFIGURATION command, you must write the
pattern shown in Table 6-31 to the Command Block Registers. The first byte, FFh,
is a subcode to the extended command code F0h.
Table 6-31
Table 6-31
Table 6-31
Table 6-31
Accessing the SET CONFIGURATION Command
Note:
Note:
Note:
Note:
Registers 1F2h
through 1F5h must contain the exact values
shown above. These values function as a key. The drive issues
the message ILLEGAL COMMAND if the key is not entered
correctly.
To select the drive being reconfigured, register 1F6h should be
set. For execution of the command to begin, load register 1F7h
with F0h
.
6.7.28.3
6.7.28.3
6.7.28.3
6.7.28.3
Set Configuration Without Saving to Disk
Set Configuration Without Saving to Disk
Set Configuration Without Saving to Disk
Set Configuration Without Saving to Disk
The SET CONFIGURATION WITHOUT SAVING TO DISK command is secured
to prevent accidentally accessing it. To access this command, you must write the
pattern shown in Table 6-32 to the Command Block Registers. The first byte, FEh,
is a subcode to the extended command code F0h.
ADDRESS
ADDRESS
ADDRESS
ADDRESS
VALUE
VALUE
VALUE
VALUE
DEFINITION
DEFINITION
DEFINITION
DEFINITION
1F2h
FFh
Set Configuration Subcode
1F3h
FFh
Password
1F4h
FFh
Password
1F5h
3Fh
Password
1F6h
AXh
(Drive 0)
Drive Select
BXh
(Drive 1)
Drive Select
1F7h
F0h
Extended Command Code
Summary of Contents for FIREBALL PLUS AS 10.2
Page 12: ...About This Manual 1 4 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 16: ...General Description 2 8 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 61: ...Basic Principles of Operation Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT 5 16 ...
Page 62: ...Basic Principles of Operation 5 17 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 162: ...Index I 4 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...