FDC37B78X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

FDC37B78X

Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

SMSC -> Microchip 

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BIT NO.

7

6

5

4

3

2

1

0

SYMBOL

CM

DD

WC

BC

MD

TABLE 18 - STATUS REGISTER 2

NAME

DESCRIPTION

Unused. This bit is always "0".

Control Mark

Any one of the following:

1. Read Data command - the FDC encountered a

deleted data address mark.

2. Read Deleted Data command - the FDC

encountered a data address mark.

Data Error in The FDC detected a CRC error in the data field.

Data Field

Wrong

Cylinder

The track address from the sector ID field is different

from the track address maintained inside the FDC.

Unused. This bit is always "0".

Unused. This bit is always "0".

Bad Cylinder

The track address from the sector ID field is different

from the track address maintained inside the FDC and

is equal to FF hex, which indicates a bad track with a

hard error according to the IBM soft-sectored format.

Missing Data The FDC cannot detect a data address mark or a

Address Mark deleted data address mark.

36

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