pc87317vul National Semiconductor Corporation, pc87317vul Datasheet - Page 111

• Manufacturer Part Number: pc87317vul
• Description: Pc87317vul/pc97317vul Superi/o Plug And Play Compatible With Acpi Compliant Controller/extender
• Manufacturer: National Semiconductor Corporation

5.6.2
0
7
0
7
7
DSKCHG
0
1
6
0
6
6
Result Phase Status
Interrupt Code
0
1
5
5
0
5
Read Operations, PS/2 Drive Mode
SEEK End
0
1
0
4
4
4
Reserved
Equipment Check
0
Reserved
1
0
3
3
3
Not Used
Write Operations
0
0
2
2
2
Head Selected (Execution Phase)
DRATE1 Status
0
1
1
1
1
DRATE0 Status
0
DRATE1
1
0
0
0
0
The Digital Floppy Disk Controller (FDC) (Logical Device 3)
Reset
Required
Reset
Required
Reset
Required
DRATE0
High Density
Logical Drive Selected
(Execution Phase)
Configuration Control
Result Phase Status
Register 0 (ST0)
Register (CCR)
Register (DIR)
Digital Input
Offset 07h
Offset 07h
111
0
7
0
0
7
7
0
6
Not Used
0
0
6
End of Track
6
Not Used
Drive Write Protected
Not Used
Control Mark
0
5
0
0
5
5
Not Used
CRC Error
CRC Error in Data Field
0
4
0
0
4
4
Track 0
0
3
Overrun or Underrun
Wrong Track
0
0
3
3
Not Used
0
Not Used
Scan Equal Hit
2
0
0
2
2
Head Selected (Command Phase)
0
1
0
0
Missing Data
Scan Not Satisfied
1
1
0
0
0
0
Drive Write Protected
Bad Track
0
0
Reset
Required
Reset
Required
Reset
Required
Missing Address Mark
Missing Address
Mark Location
(Command Phase)
Logical Drive Selected
Result Phase Status
Result Phase Status
Result Phase Status
Register 3 (ST3)
Register 1 (ST1)
Register 2 (ST2)
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