FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 32
![no-image](/images/no-image-200.jpg)
FDC37B72X_07
Manufacturer Part Number
FDC37B72X_07
Description
128 Pin Enhanced Super I/O Controller with ACPI Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37B72X_07.pdf
(238 pages)
- Current page: 32 of 238
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BIT NO.
7
6
5
4
3
2
1
0
EN
DE
OR
ND
NW
MA
SYMBOL
End of
Cylinder
Data Error
Overrun/
Underrun
No Data
Not Writeable
Missing
Address Mark
TABLE 17 - STATUS REGISTER 1
NAME
The FDC tried to access a sector beyond the final sector
of the track (255D). Will be set if TC is not issued after
Read or Write Data command.
Unused. This bit is always "0".
The FDC detected a CRC error in either the ID field or
the data field of a sector.
Becomes set if the FDC does not receive CPU or DMA
service within the required time interval, resulting in data
overrun or underrun.
Unused. This bit is always "0".
Any one of the following:
1. Read Data, Read Deleted Data command - the FDC
did not find the specified sector.
2. Read ID command - the FDC cannot read the ID field
without an error.
3. Read A Track command - the FDC cannot find the
proper sector sequence.
WP pin became a "1" while the FDC is executing a Write
Data, Write Deleted Data, or Format A Track command.
Any one of the following:
1. The FDC did not detect an ID address mark at the
specified track after encountering the index pulse from
the IDX pin twice.
2.
deleted data address mark on the specified track.
32
The FDC cannot detect a data address mark or a
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