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307013-003 Datasheet, PDF (257/848 Pages) Intel Corporation – Intel I/O Controller Hub 7 | |||
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Register and Memory Mapping
Table 6-2.
Fixed I/O Ranges Decoded by Intel® ICH7 (Sheet 2 of 2)
I/O
Address
84hâ86h
87h
88h
89hâ8Bh
8Châ8Eh
08Fh
90hâ91h
92h
93hâ9Fh
A0hâA1h
A4hâA5h
A8hâA9h
AChâADh
B0hâB1h
Read Target
DMA Controller
DMA Controller
DMA Controller
DMA Controller
DMA Controller
DMA Controller
DMA Controller
Reset Generator
DMA Controller
Interrupt Controller
Interrupt Controller
Interrupt Controller
Interrupt Controller
Interrupt Controller
Write Target
DMA Controller and LPC or
PCI
DMA Controller
DMA Controller and LPC or
PCI
DMA Controller
DMA Controller and LPC or
PCI
DMA Controller
DMA Controller
Reset Generator
DMA Controller
Interrupt Controller
Interrupt Controller
Interrupt Controller
Interrupt Controller
Interrupt Controller
B2hâB3h
Power Management
Power Management
B4hâB5h
B8hâB9h
BChâBDh
C0hâD1h
D2hâDDh
DEhâDFh
F0h
170hâ177h
1F0hâ1F7h
376h
3F6h
4D0hâ4D1h
CF9h
Interrupt Controller
Interrupt Controller
Interrupt Controller
DMA Controller
RESERVED
DMA Controller
FERR#/IGNNE# / Interrupt
Controller
IDE Controller, SATA
Controller, or PCI
IDE Controller, SATA
Controller, or PCI 1
IDE Controller, SATA
Controller, or PCI
IDE Controller, SATA
Controller, or PCI 1
Interrupt Controller
Reset Generator
Interrupt Controller
Interrupt Controller
Interrupt Controller
DMA Controller
DMA Controller
DMA Controller
FERR#/IGNNE# / Interrupt
Controller
IDE Controller, SATA
Controller, or PCI
IDE Controller, SATA
Controller, or PCI
IDE Controller, SATA
Controller, or PCI
IDE Controller, SATA
Controller, or PCI
Interrupt Controller
Reset Generator
Internal Unit
DMA
DMA
DMA
DMA
DMA
DMA
DMA
Processor I/F
DMA
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Power
Management
Interrupt
Interrupt
Interrupt
DMA
DMA
DMA
Processor I/F
Forwarded to IDE
or SATA
Forwarded to IDE
or SATA
Forwarded to IDE
or SATA
Forwarded IDE or
SATA
Interrupt
Processor I/F
NOTES:
1.
Only if IDE I/O space is enabled (D31:F1:40 bit 15) and the IDE controller is in legacy
mode. Otherwise, the target is PCI.
Intel ® ICH7 Family Datasheet
257
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