NH82801DB S L8DE Intel, NH82801DB S L8DE Datasheet - Page 291
NH82801DB S L8DE
Manufacturer Part Number
NH82801DB S L8DE
Description
Manufacturer
Intel
Datasheet
1.NH82801DB_S_L8DE.pdf
(587 pages)
Specifications of NH82801DB S L8DE
Lead Free Status / RoHS Status
Compliant
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LPC Interface Bridge Registers
(D31:F0)
9.1
.
Intel
®
Table 9-1. LPC I/F PCI Configuration Register Address Map (LPC I/F—D31:F0) (Sheet 1 of 2)
82801DB ICH4 Datasheet
Note: Registers that are not shown should be treated as Reserved (See
The LPC Bridge function of the ICH4 resides in PCI Device 31:Function 0. This function contains
many other functional units, such as DMA and Interrupt controllers, Timers, Power Management,
System Management, GPIO, RTC, and LPC Configuration Registers.
Registers and functions associated with other functional units (USB UHCI, USB EHCI, IDE, etc.)
are described in their respective sections.
PCI Configuration Registers (D31:F0)
4E–4Fh
58–5Bh
68–6Bh
00–01h
02–03h
04–05h
06–07h
40–43h
60–63h
90–91h
Offset
5Ch
08h
09h
0Ah
0Bh
0Eh
44h
54h
64h
88h
8Ah
D31_ERR_CFG
D31_ERR_STS
PIRQ[ n ]_ROUT
PIRQ[ n ]_ROUT
GPIO_BASE
PCI_DMA_C
BIOS_CNTL
GPIO_CNTL
SIRQ_CNTL
ACPI_CNTL
TCO_CNTL
Mnemonic
PMBASE
PCICMD
PCISTA
HEADT
SCC
BCC
DID
VID
RID
PI
Vendor ID
Device ID
PCI Command
PCI Device Status
Revision ID
Programming Interface
Sub Class Code
Base Class Code
Header Type
ACPI Base Address
ACPI Control
BIOS Control
TCO Control
GPIO Base Address
GPIO Control Register
PIRQ[A–D] Routing Control
Serial IRQ Control
PIRQ[E–H] Routing Control
Device 31 Error Configuration
Device 31 Error Status
PCI DMA Configuration Registers
Register Name
LPC Interface Bridge Registers (D31:F0)
Section 6.2
00000001h
00000001h
80808080h
80808080h
See Note
Default
24C0h
8086h
000Fh
0280h
0000h
0000h
00h
01h
06h
80h
00h
00h
00h
10h
00h
00h
for details).
R/WC, RO
R/W, RO
R/W, RO
R/W, RO
R/WC
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
9
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