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Intel BOXD955XCSLKR Product Specification - Page 14

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Intel Desktop Board D955XCS Technical Product Specification 1.1.4 Block Diagram Figure 2 is a block diagram of the major functional areas of the board. PCI Express Interface PCI Express x1 Slot Secondary PCI Express x16/x4 Slot SMBus Parallel ATA IDE Connector Parallel ATA IDE Interface LGA775 Processor Socket System Bus (1066/800 MHz) Gigabit Ethernet Controller LAN Connector USB Back Panel/Front Panel USB Ports LPC Bus I/O Controller LPC Bus Serial Port Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector PCI Express x16 Interface PCI Express x16 Connector Intel 955X Chipset Intel 82955X Memory Controller Hub (MCH) DMI Interconnect Intel 82801GR I/O Controller Hub (ICH7-R) Firmware Hub (FWH) -- or -- SPI Flash Device LPC Bus SMBus Channel A DIMMs (2) Dual-Channel Memory Bus SMBus Channel B DIMMs (2) IEEE-1394a/b Connectors (Optional) IEEE-1394a/b Controller (Optional) PCI Bus SATA RAID Connectors (4) (Optional) PCI Slot 1 PCI Slot 2 PCI Slot 3 PCI Slot 4 Discrete SATA RAID Controller (Optional) PCI Bus PCI Bus SMBus Hardware Monitoring and Fan Control ASIC High Definition Audio Link SATA IDE Interface TPM Component (Optional) SATA IDE Connectors (4) Front Panel Mic In Front Panel Line Out Audio Codec Mic In/Retasking Jack Line In/Retasking Jack Line Out/Retasking Jack CD-ROM (Optional) S/PDIF Center and LFE/Retasking Jack Surround Left-Right/Retasking Jack Figure 2. Block Diagram OM17986 14

Section	Page
Intel® Desktop Board D955XCS Technical Product Specification	1
Revision History / Disclaimer	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Contents	5
1 Product Description	9
1.1 Overview	10
1.1.1 Feature Summary	10
1.1.2 Manufacturing Options	11
1.1.3 Board Layout	12
1.1.4 Block Diagram	14
1.2 Online Support	15
1.3 Processor	15
1.4 System Memory	16
1.4.1 Memory Configurations	17
1.5 Intel® 955X Chipset	21
1.5.1 USB	21
1.5.2 IDE Support	21
1.5.3 Real-Time Clock, CMOS SRAM, and Battery	23
1.6 Discrete Serial ATA Interface (Optional)	24
1.7 PCI Express* Connectors	24
1.8 Auxiliary Power (AUX PWR) Connector (Optional)	25
1.9 IEEE-1394a/b Connectors (Optional)	25
1.10 Legacy I/O Controller	26
1.10.1 Serial Port	26
1.10.2 Parallel Port	26
1.10.3 Diskette Drive Controller	26
1.10.4 Keyboard and Mouse Interface	26
1.11 Audio Subsystem	27
1.11.1 Audio Subsystem Software	27
1.11.2 Audio Connectors	27
1.11.3 8-Channel (7.1) Audio Subsystem	28
1.11.4 6-Channel (5.1) Audio Subsystem	30
1.12 LAN Subsystem	31
1.12.1 Intel® 82573E/82573V Gigabit Ethernet Controller	31
1.12.2 RJ-45 LAN Connector with Integrated LEDs	31
1.12.3 Alert Standard Format (ASF) Support (Optional)	32
1.12.4 Intel® Active Management Technology (AMT) (Optional)	32
1.12.5 LAN Subsystem Software	34
1.13 Hardware Management Subsystem	34
1.13.1 Hardware Monitoring and Fan Control ASIC	34
1.13.2 Thermal Monitoring	35
1.13.3 Fan Monitoring	36
1.13.4 Chassis Intrusion and Detection	36
1.14 Power Management	36
1.14.1 ACPI	36
1.14.2 Hardware Support	39
1.15 Trusted Platform Module (Optional)	42
2 Technical Reference	43
2.1 Memory Resources	43
2.1.1 Addressable Memory	43
2.1.2 Memory Map	45
2.2 DMA Channels	45
2.3 Fixed I/O Map	46
2.4 PCI Configuration Space Map	47
2.5 Interrupts	48
2.6 PCI Conventional Interrupt Routing Map	49
2.7 Connectors	51
2.7.1 Back Panel Connectors	51
2.7.2 Component-side Connectors	54
2.8 Jumper Block	65
2.9 Mechanical Considerations	66
2.9.1 Form Factor	66
2.9.2 I/O Shield	67
2.10 Electrical Considerations	69
2.10.1 DC Loading	69
2.10.2 Add-in Board Considerations	69
2.10.3 Fan Connector Current Capability	70
2.10.4 Power Supply Considerations	70
2.11 Thermal Considerations	71
2.12 Reliability	73
2.13 Environmental	74
2.14 Regulatory Compliance	75
2.14.1 Safety Regulations	75
2.14.2 EMC Regulations	75
2.14.3 European Union Declaration of Conformity Statement	76
2.14.4 Recycling Considerations	77
2.14.5 Product Certification Markings (Board Level)	78
3 Overview of BIOS Features	79
3.1 Introduction	79
3.2 Resource Configuration	80
3.2.1 PCI Autoconfiguration	80
3.2.2 PCI IDE Support	80
3.3 System Management BIOS (SMBIOS)	81
3.4 Legacy USB Support	81
3.5 BIOS Updates	82
3.5.1 Language Support	82
3.5.2 Custom Splash Screen	82
3.6 Boot Options	83
3.6.1 CD-ROM Boot	83
3.6.2 Network Boot	83
3.6.3 Booting Without Attached Devices	83
3.6.4 Changing the Default Boot Device During POST	83
3.7 Fast Booting Systems with Intel® Rapid BIOS Boot	84
3.7.1 Peripheral Selection and Configuration	84
3.7.2 Intel Rapid BIOS Boot	84
3.8 BIOS Security Features	85
4 Error Messages and Beep Codes	87
4.1 Speaker	87
4.2 BIOS Beep Codes	87
4.3 BIOS Error Messages	87

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Intel Desktop Board D955XCS Technical Product Specification

1.1.4

Block Diagram

Figure 2 is a block diagram of the major functional areas of the board.

Intel 955X Chipset

Intel 82801GR

I/O Controller Hub

(ICH7-R)

Intel 82955X Memory

Controller Hub (MCH)

Firmware

Hub (FWH)

System Bus

(1066/800 MHz)

LGA775

Processor Socket

Parallel ATA

IDE Connector

Diskette Drive

Connector

LPC Bus

I/O

Controller

PS/2 Keyboard

PS/2 Mouse

Parallel Port

Serial Port

Parallel ATA

IDE Interface

LPC Bus

Hardware Monitoring

and Fan Control ASIC

OM17986

Audio

Codec

Line Out/Retasking Jack

CD-ROM (Optional)

PCI Express

x16 Interface

PCI Express

x16

Connector

PCI Bus

SMBus

High Definition Audio Link

USB

Dual-Channel

Memory Bus

SMBus

PCI Slot 1

PCI Slot 2

PCI Slot 3

Mic In/Retasking Jack

Line In/Retasking Jack

S/PDIF

SATA IDE

Connectors (4)

SATA IDE

Interface

Channel A

DIMMs (2)

Channel B

DIMMs (2)

Back Panel/Front Panel

USB Ports

Surround Left-Right/Retasking Jack

Center and LFE/Retasking Jack

Front Panel Mic In

Front Panel Line Out

DMI Interconnect

PCI

Bus

TPM Component

(Optional)

LPC Bus

PCI Express x1 Slot

Secondary PCI

Express x16/x4 Slot

LAN

Connector

Gigabit Ethernet

Controller

PCI Express Interface

SPI Flash

Device

-- or --

SMBus

SATA RAID

Connectors (4)

(Optional)

PCI

Bus

Discrete SATA RAID

Controller

(Optional)

IEEE-1394a/b Connectors

(Optional)

IEEE-1394a/b

Controller

(Optional)

PCI Slot 4

Figure 2.

Block Diagram