ATA REGISTERS

SSD-PXXX(I)-3100 DATA SHEET

ATA REGISTERS

DATA REGISTER

The Data register is a 16-bit register used to transfer data blocks between the host and drive buffers. The register may set to 8-bit mode by using the Set Features Command defined in "Seek — 7Xh" on page 78.

ERROR REGISTER

The Error register contains the error status, if any, generated from the last executed ATA command. The contents are qualified by the ERR bit being set in "Status Register" on page 54.

 

 

Table 34:

Error Register

 

 

 

 

 

 

 

 

 

 

 

 

Operation

D7

D6

D5

D4

D3

D2

D1

D0

Read

BBK

UNC

MC

IDNF

MCR

ABRT

TKNOF AMNF

 

 

 

 

 

 

 

 

 

Default

0

0

0

0

0

0

0

0

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit(s) Description

7 Bad Block Detected (BBK). Set when a bad block is detected.

6Uncorrectable Data Error (UNC). Set when an uncorrectable error is encountered.

5Media Changed (MC). Set to 0.

4ID Not Found (IDNF). Set when the sector ID is not found.

3MCR (Media Change Request). Set to 0.

2Aborted Command (ABRT). Set when a command is aborted due to a drive error.

1

Track 0 Not Found (TKONF). Set when the execute drive

 

diagnostic command is executed.

0Address Mark Not Found (AMNF). Set in the case of a general error.

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3100P-06DSR

PAGE 47

FEBRUARY 2, 2009

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Silicon Image SSD-P16G(I)-3100 ATA Registers, Error Register, Media Changed MC. Set to, MCR Media Change Request. Set to