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Intel Desktop Board DQ965CO Technical Product Specification 1.1.4 Block Diagram Figure 2 is a block diagram of the major functional areas. PCI Express x1 Interface PCI Express x1 Slot 1 Parallel ATA IDE Connector LGA775 Processor Socket Parallel ATA IDE Controller System Bus (1066/800/533 MHz) PCI Express x16 Connector PCI Express x16 Interface Display Interface VGA Port Intel Q965 Express Chipset Intel 82Q965 Graphics and Memory Controller Hub (GMCH) DVI Port Channel A DIMMs (2) Channel B DIMMs (2) Dual-Channel Memory Bus SMBus DMI Interconnect Gigabit Ethernet Controller LAN Connector USB Back Panel/Front Panel USB Ports Legacy I/O Controller Serial Port Parallel Port PS/2 Mouse* PS/2 Keyboard* LPC Bus Diskette Drive Connector Intel 82801HO I/O Controller Hub (ICH8DO) Serial Peripheral Interface (SPI) Flash Device LPC Bus TPM Component Serial ATA IDE Interface Serial ATA IDE Connectors (6) High Definition Audio Link IEEE-1394a Connector/Header PCI Slot 1 PCI Slot 2 IEEE-1394a PCI Controller Bus PCI Bus Audio Codec Mic In Line Out Line In/Retasking Jack Line Out/Retasking Jack Mic In/Retasking Jack SMBus * = Optional Figure 2. Block Diagram High Definition Audio Link Header OM18482 16

Section	Page
Intel® Desktop Board DQ965CO 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	11
1.1 Overview	12
1.1.1 Feature Summary	12
1.1.2 Manufacturing Options	13
1.1.3 Board Layout	14
1.1.4 Block Diagram	16
1.2 Online Support	17
1.3 Processor	17
1.4 System Memory	18
1.4.1 Memory Configurations	20
1.5 Intel® Virtualization Technology (Intel® VT)	25
1.6 Intel® vPro™ Technology Support	26
1.7 Intel® Q965 Express Chipset	27
1.7.1 Intel Q965 Graphics Subsystem	27
1.7.2 USB	30
1.7.3 Serial ATA Interfaces	30
1.7.4 Parallel IDE Interface	31
1.7.5 Real-Time Clock, CMOS SRAM, and Battery	32
1.8 Legacy I/O Controller	32
1.8.1 Serial Port Interface	32
1.8.2 Parallel Port Interface	33
1.8.3 Diskette Drive Interface	33
1.8.4 PS/2 Keyboard and Mouse Interface (Optional)	33
1.9 Audio Subsystem	34
1.9.1 Audio Subsystem Software	34
1.9.2 Audio Connectors and Headers	35
1.10 LAN Subsystem	36
1.10.1 Intel® 82566DM Gigabit Ethernet Controller	36
1.10.2 LAN Subsystem Software	36
1.10.3 RJ-45 LAN Connector with Integrated LEDs	37
1.10.4 Intel® Active Management Technology (Intel® AMT) with System Defense Feature	37
1.10.5 Alert Standard Format (ASF) 2.0 Support	38
1.11 Hardware Management Subsystem	39
1.11.1 Hardware Monitoring and Fan Control	39
1.11.2 Fan Monitoring	39
1.11.3 Chassis Intrusion and Detection	39
1.11.4 Thermal Monitoring	40
1.12 Power Management	41
1.12.1 ACPI	41
1.12.2 Hardware Support	43
1.13 Trusted Platform Module (TPM)	48
2 Technical Reference	49
2.1 Memory Map	49
2.1.1 Addressable Memory	49
2.2 DMA Channels	51
2.3 Fixed I/O Map	52
2.4 PCI Configuration Space Map	53
2.5 Interrupts	54
2.6 PCI Interrupt Routing Map	55
2.7 Connectors and Headers	56
2.7.1 Back Panel Connectors	57
2.7.2 Component-side Connectors and Headers	58
2.8 Jumper Block	67
2.9 Mechanical Considerations	68
2.9.1 Form Factor	68
2.9.2 I/O Shield	69
2.10 Electrical Considerations	71
2.10.1 DC Loading	71
2.10.2 Fan Header Current Capability	71
2.10.3 Add-in Board Considerations	72
2.10.4 Power Supply Considerations	72
2.11 Thermal Considerations	73
2.12 Reliability	75
2.13 Environmental	76
3 Overview of BIOS Features	77
3.1 Introduction	77
3.2 BIOS Flash Memory Organization	78
3.3 Resource Configuration	78
3.3.1 PCI Autoconfiguration	78
3.3.2 PCI IDE Support	79
3.4 System Management BIOS (SMBIOS)	79
3.5 Legacy USB Support	80
3.6 BIOS Updates	80
3.6.1 Language Support	81
3.6.2 Custom Splash Screen	81
3.7 BIOS Recovery	81
3.8 Boot Options	82
3.8.1 CD-ROM Boot	82
3.8.2 Network Boot	82
3.8.3 Booting Without Attached Devices	82
3.8.4 Changing the Default Boot Device During POST	82
3.9 Adjusting Boot Speed	83
3.9.1 Peripheral Selection and Configuration	83
3.9.2 BIOS Boot Optimizations	83
3.10 BIOS Security Features	84
4 Error Messages and Beep Codes	85
4.1 Speaker	85
4.2 BIOS Beep Codes	85
4.3 BIOS Error Messages	85
4.4 Port 80h POST Codes	86
5 Regulatory Compliance and Battery Disposal Information	91
5.1 Regulatory Compliance	91
5.1.1 Safety Regulations	91
5.1.2 European Union Declaration of Conformity Statement	92
5.1.3 Product Ecology Statements	94
5.1.4 EMC Regulations	97
5.1.5 Product Certification Markings (Board Level)	98

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Intel Desktop Board DQ965CO Technical Product Specification

1.1.4

Block Diagram

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

Intel Q965 Express Chipset

Intel 82801HO

I/O Controller Hub

(ICH8DO)

Intel 82Q965

Graphics and

Memory

Controller Hub

(GMCH)

Serial

Peripheral

Interface (SPI)

Flash Device

System Bus

(1066/800/533

MHz)

LGA775

Processor

Socket

Parallel ATA

IDE

Connector

Diskette Drive

Connector

Legacy

I/O

Controller

PS/2 Keyboard*

PS/2 Mouse*

Parallel Port

OM18482

Audio

Codec

PCI Bus

SMBus

High Definition Audio Link

USB

Dual-Channel

Memory Bus

SMBus

PCI Slot 1

PCI Slot 2

Serial ATA IDE

Connectors (6)

Serial ATA

IDE Interface

Channel A

DIMMs (2)

Channel B

DIMMs (2)

Back Panel/Front

Panel

USB Ports

DMI Interconnect

PCI Express x1 Slot 1

PCI Express x1 Interface

LAN

Connector

Gigabit Ethernet

Controller

Line Out/Retasking Jack

Line Out

Line In/Retasking Jack

Mic In/Retasking Jack

Mic In

PCI

Bus

IEEE-1394a

Connector/Header

IEEE-1394a

Controller

Serial Port

Parallel ATA

IDE

Controller

High Definition

Audio Link

Header

PCI Express

x16 Interface

VGA

Port

Display

Interface

LPC

Bus

* = Optional

PCI Express

x16 Connector

DVI

Port

TPM

Component

LPC Bus

Figure 2.

Block Diagram