QG5000XSL9TH datasheet(49/458 Pages) INTEL

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Intel® 5000X Chipset Memory Controller Hub (MCH) Datasheet

3.4.1

Device Identification for Intel 5000P Chipset, Intel 5000Z

Chipset, and Intel 5000V Chipset Components

All devices in the Intel® 5000X chipset MCH reside on Bus 0. The following table

describes the root device ID for different MCH versions.

Table 3-1.

Configuration Address Bit Mapping

Source/

Destination

Bus

Device

Function

Dword

Offset

Byte in

Dword

Type

[11:8]

[5:0]

PCI Express Config

Txns (including

ESI)

Destination

Bus[7:0]

Device[4:0] Function[2:0

]

Extended

Addr[3:0]

[5:0]

1st DW

BE[3:0]

Fmt,

Type

PCI Express

MMCFG

on FSB

Source

A[27:20]

A[19:15]

A[14:12]

A[11:8]

A[7:3]

BE[7:4]

BE[7:0]

n/a

PCI Express

MMCFG

from ESI or PCI

Express

Not permitted to access MCH or FB-DIMM regs and will be master aborted.

CPU/Inbound

CB_BAR MMIO

Access

Source

A[11:8]

A[7:3]

BE[7:4]

BE[7:0]

n/a

CFGADR Register

Source

Bus Number

[7:0]

DeviceID

[4:0]

Function

Number[2:0]

not present

Address

[5:0]

Not present

n/a

CFC on

FSB

Source

CFGADR Register, see row above

BE[7:4]

n/a

JTAG Config Access Source

Bus Number

[7:0]

DeviceID

[4:0]

Function

Number[2:0]

Extended

Addr[3:0]

Address[7:2

]

Address

[1:0]

n/a

SMBus Config

Access

Source

Bus Number

[7:0]

Dev[4:0]

Func[2:0]

Reg

Number

[11:8]

Reg[7:2]

command,

Number

n/a

Fixed MCH Memory

Mapped on FSB

Source

cannot

access

A[15:10]

All accesses

are 4 byte

n/a

MCH Register

Decoding

Destination

00000000

See Table

14-4

Function[2:0

]

Dword

Offset[9:6]

Dword

Offset[5:0]

Byte[3:0]

n/a

FB-DIMM Config

Cmds

Destination

A[23:15]

always 0

See Note1

Notes:

1. These accesses are used to select channel/DIMM based on the AMBASE register.

Cannot

access

A[7:3]

BE[7:4]

BE[7:0]

n/a

Table 3-2.

Memory Control Hub ESI Device Identification

Component

DID

Device

Functio

Intel 5000P Chipset

Enterprise South Bridge Interface

25C8h

Intel 5000Z Chipset

Enterprise South Bridge Interface

25D0h

Intel 5000V Chipset

Enterprise South Bridge Interface

25D4h

QG5000XSL9TH Datasheet(PDF) 49 Page - Intel Corporation

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