cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 322

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

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Floppy Port Register Descriptions
5.7.1.3
MSR Address
Type
Reset Value
5.7.1.4
MSR Address
Type
Reset Value
Bit
7:0
Bit
7:0
7
7
Floppy Port 372h Shadow (FLPY_3F2_SHDW)
Floppy Port 377h Shadow (FLPY_377_SHDW)
Name
FLPY_PORT_372
_VAL
Name
FLPY_PORT_377
_VAL
51400032h
RO
xxh
51400033h
RO
xxh
6
6
Description
Floppy Port Shadow Register Value Last Written to I/O Port 372h. Required for
support of FDC power ON/OFF and Zero Volt Suspend/Resume coherency.
This register is a copy of an I/O register that cannot safely be directly read. Value in reg-
ister is not deterministic of when the register is being read. It is provided here to assist
in a Save-to-Disk operation.
Description
Floppy Port Shadow Register Value Last Written to I/O Port 377h. Required for
support of FDC power ON/OFF and Zero Volt Suspend/Resume coherency.
This register is a copy of an I/O register that cannot safely be directly read. Value in reg-
ister is not deterministic of when the register is being read. It is provided here to assist
in a Save-to-Disk operation.
5
5
FLPY_3F2_SHDW Bit Descriptions
FLPY_377_SHDW Bit Descriptions
FLPY_3F2_SHDW Register Map
FLPY_377_SHDW Register Map
(Continued)
FLPY_PORT_372_VAL
FLPY_PORT_377_VAL
4
4
322
3
3
2
2
1
1
Revision 0.8
0
0