Maxtor D540X-4K manual 0QVG

ATA Bus Interface and ATA Commands

￿￿￿￿￿￿￿￿5'6The￿%10(+)74#6+10SET CONFIGURATION command is secured to prevent accessing it accidentally. To access the SET CONFIGURATION command, you must write the pattern shown in Table 6-8to the Command Block Registers. The first byte, FFh, is a subcode to the extended command code F0h.

Accessing the SET CONFIGURATION Command

1F2h#&&4'558#FFh .7'		Set Configuration&'(+0+6+10Subcode
1F3h	FFh	Password
1F4h	FFh	Password
1F5h	3Fh	Password
1F6h	AXh	Drive Select
	(Drive 0)
	BXh	Drive Select
	(Drive 1)
1F7h	F0h	Extended Command Code

6CDNG￿￿￿￿￿￿Registers 1F2h through 1F5h must contain the exact values shown above. These values function as a key. The drive responds by setting the ABRT bit in the Error register 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.

￿￿￿￿￿￿￿￿5'6The￿%10(+)74#6+10SET CONFIGURATION￿9+6*176WITHOUT￿5#8+0)￿61SAVING￿&+5-TO DISK command is secured to prevent accidentally accessing it. To access this command, you must write the pattern shown in Table -9to the Command Block Registers. The first byte, FEh, is a subcode to the extended command code F0h.

6CDNG￿￿￿￿￿￿	Accessing the SET CONFIGURATION WITHOUT SAVING TO DISK Command
		1F2h#&&4'55	FEh8#.7'		&'(+0+6+10
				Set Configuration Subcode
		1F3h	FFh	Password
		0QVG￿
		1F4h	FFh	Password
		1F5h	3Fh	Password
		1F6h	AXh	Drive Select
			(Drive 0)
			BXh	Drive Select
			Drive 1)
		1F7h	F0h	Extended Command Code

Maxtor D540X-4K 20.4/40.0/60.0/80. GB AT 6-13