Toshiba MK6017MAP manual Security commands, Error Register, Operational Mode

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10.7.1.6 Security commands

Password information is transferred during the execution of following four commands.

1)Disable password

2)Erase Unit

3)Set Password

4)Unlock

Data in the register and on the media correspond to each other as follows:

transfer 1 transfer 2

:

:

transfer 256 transfer 257

:

:

transfer 260

A15 - A8	A7 - A0
D2	D1
D4	D3
:	:
:	:
D512	D511
	E1
	E2
	:
	E4

DATA REGISTER

D1 ---D2 D512 ---E1 E4

DATA FLOW ON THE MEDIA

10.7.2 Error Register

- CS0

DA2-DA0 : 1

Read ONLY

10.7.2.1 Operational Mode

The following descriptions are bit definitions for the operational mode including the error information from the last command. This command is valid only when the ERROR BIT (bit 0) is set.

ICRC

UNC

MC

IDNF

MCR

ABRT

TK0NF

AMNF

Bit 7	Interface CRC error was found during the transfer of Ultra DMA. 2
Bit 6	UNC (Uncorrectable Data Error) -- This bit indicates that an uncorrectable error has been encountered in the
	data field during a read command.
Bit 5	MC (Media Changed) -- This bit is reserved for use by removable media devices and indicates that new
	media is available to the operating system.
Bit 4	IDNF (ID Not Found) --The requested sector could not be found.
Bit 3	MCR (Media Change Requested) is reserved for use by removable media devices and indicates that a
	request for media removal has been detected by the device.
Bit 2	ABRT (Aborted Command) -- This bit Indicates that the requested command has been aborted due to the
	reason reported in the drive status register (Write Fault, Not Seek Complete, Drive Not Ready, or an invalid
	command). The status registers and the error registers may be decoded to identify the cause.
Bit 1	TK0NF (Track 0 Not Found) -- This bit is set to indicate that the track 000 has not been found during a
	Recalibrate command.
Bit 0	AMNF (AM Not Found) -- This bit is set to indicate that the required Data AM pattern on read operation has
	not been found.

2ATA-2 Notes: Prior to the development of ATA-2 standard, this bit was defined as BBK (Bad Block Detected) -- This bit was used to indicate that the block mark was detected in the target’s ID field. The mark does not exist when shipping from the factory.The Mark will be written by FORMAT command. Read or Write commands will not be executed in any data fields marked bad. The drive does not support this bit.

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