FDC37B77X SMSC Corporation, FDC37B77X Datasheet - Page 31

• Manufacturer Part Number: FDC37B77X
• Description: ENHANCED SUPER I/O CONTROLLER WITH WAKE UP FEATURES
• Manufacturer: SMSC Corporation

BIT NO.
7
6
5
4
3
2
1
0
CM
DD
WC
BC
MD
SYMBOL
Control Mark
Data Error in
Data Field
Wrong
Cylinder
Bad Cylinder
Missing Data
Address Mark
NAME
Table 15 - Status Register 2
Unused. This bit is always "0".
Any one of the following:
1.
2.
The FDC detected a CRC error in the data field.
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".
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.
The FDC cannot detect a data address mark or a
deleted data address mark.
31
Read Data command - the FDC encountered a
deleted data address mark.
Read Deleted Data command - the FDC
encountered a data address mark.
DESCRIPTION