Intel BLKD946GZABL Datasheet Page 1

October 2006 Order Number: D56027-001US The Intel® Desktop Board D946GZAB may contain design defects or errors known as errata that may cause t

Intel Desktop Board D946GZAB Technical Product Specification 10 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the De

Product Description 11 Table 1. Feature Summary (continued) Expansion Capabilities • One PCI Express x16 bus add-in card connector • One PCI Expre

Intel Desktop Board D946GZAB Technical Product Specification 12 1.1.2 Board Layout Figure 1 shows the location of the major components. OM18377MNPQ

Product Description 13 Table 2. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A Front panel audio header B PCI Expres

Intel Desktop Board D946GZAB Technical Product Specification 14 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas. In

Product Description 15 1.2 Online Support To find information about… Visit this World Wide Web site: Intel® Desktop Board D946GZAB under “Desktop

Intel Desktop Board D946GZAB Technical Product Specification 16 1.4 System Memory The board has two DIMM sockets and support the following memory f

Product Description 17  NOTE Regardless of the DIMM type used, the memory frequency will either be equal to or less than the processor system bus fr

Intel Desktop Board D946GZAB Technical Product Specification 18 1.4.1 Memory Configurations The Intel 82946GZ GMCH supports two types of memory org

Product Description 19 1.4.1.1 Dual Channel (Interleaved) Mode Configuration Figure 4 shows a dual channel configuration using two DIMMs. In this e

Revision History Revision Revision History Date -001 First release of the Intel® Desktop Board D946GZAB Technical Product Specification. October 20

Intel Desktop Board D946GZAB Technical Product Specification 20 1.4.1.2 Single Channel (Asymmetric) Mode Configurations  NOTE Dual channel (Interl

Product Description 21 1.5 Intel® 946GZ Express Chipset The Intel 946GZ Express chipset consists of the following devices: • Intel 82946GZ Graphics

Intel Desktop Board D946GZAB Technical Product Specification 22 • 2D Graphics enhancements ⎯ 8, 16, and 32 bit color ⎯ Optimized 256-bit BLT engi

Product Description 23 1.5.1.3 Configuration Modes A list of supported modes for the Intel GMA 3000 graphics controller is available as a downloadab

Intel Desktop Board D946GZAB Technical Product Specification 24 1.5.3 Serial ATA Interfaces The board provides four Serial ATA (SATA) connectors, w

Product Description 25 1.5.4 Parallel IDE Interface The Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE interface. The Parallel

Intel Desktop Board D946GZAB Technical Product Specification 26 1.6 Legacy I/O Controller The I/O controller provides the following features: • On

Product Description 27 1.7 Audio Subsystem The onboard audio subsystem consists of the following: • Intel 82801GB ICH7 • Sigmatel STAC9227 (or Ana

Intel Desktop Board D946GZAB Technical Product Specification 28 1.7.1 Audio Subsystem Software Audio software and drivers are available from Intel’

Product Description 29 1.8 LAN Subsystem The LAN subsystem consists of the following: • Intel 82562GX Platform LAN Connect (PLC) device for 10/100

iii Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, an

Intel Desktop Board D946GZAB Technical Product Specification 30 Table 5. LAN Connector LED States LED LED Color LED State Condition Off LAN lin

Product Description 31 1.9.4 Thermal Monitoring Figure 10 shows the locations of the thermal sensors and fan headers. OM18382FEBDAC Item Descriptio

Intel Desktop Board D946GZAB Technical Product Specification 32 1.10 Power Management Power management is implemented at several levels, including:

Product Description 33 1.10.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transition

Intel Desktop Board D946GZAB Technical Product Specification 34 1.10.1.3 Wake-up Devices and Events Table 8 lists the devices or specific events th

Product Description 35 Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends

Intel Desktop Board D946GZAB Technical Product Specification 36 1.10.2.3 LAN Wake Capabilities CAUTION For LAN wake capabilities, the +5 V standby

Product Description 37 1.10.2.6 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states.  NOTE Wake from USB requires the use o

Intel Desktop Board D946GZAB Technical Product Specification 38

39 2 Technical Reference What This Chapter Contains 2.1 Memory Map...

Intel Desktop Board D946GZAB Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal

Intel Desktop Board D946GZAB Technical Product Specification 40 The amount of installed memory that can be used will vary based on add-in cards and

Technical Reference 41 Table 9 lists the system memory map. Table 9. System Memory Map Address Range (decimal) Address Range (hex) Size Descriptio

Intel Desktop Board D946GZAB Technical Product Specification 42 2.3 Fixed I/O Map Table 11. I/O Map Address (hex) Size Description 0000 - 00FF 2

Technical Reference 43 2.4 PCI Configuration Space Map Table 12. PCI Configuration Space Map Bus Number (hex) Device Number (hex) Function Number (h

Intel Desktop Board D946GZAB Technical Product Specification 44 2.5 Interrupts The interrupts can be routed through either the Programmable Interru

Technical Reference 45 2.6 PCI Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between th

Intel Desktop Board D946GZAB Technical Product Specification 46 2.7 Connectors and Headers CAUTION Only the following connectors have overcurrent

Technical Reference 47 2.7.1 Back Panel Connectors Figure 13 shows the location of the back panel connectors. ABHJIKCD EFGOM18523 Item Description

Intel Desktop Board D946GZAB Technical Product Specification 48 2.7.2 Component-side Connectors and Headers Figure 14 shows the locations of the co

Technical Reference 49 Table 15 lists the component-side connectors and headers identified in Figure 14. Table 15. Component-side Connectors and He

v Contents 1 Product Description 1.1 Overview... 10 1.1.1 Fe

Intel Desktop Board D946GZAB Technical Product Specification 50 Table 18. Processor Fan Header Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CON

Technical Reference 51 2.7.2.1 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express x16: one connector support

Intel Desktop Board D946GZAB Technical Product Specification 52 2.7.2.2 Power Supply Connectors The board has the following power supply connectors

Technical Reference 53 2.7.2.3 Front Panel Header This section describes the functions of the front panel header. Table 24 lists the signal names o

Intel Desktop Board D946GZAB Technical Product Specification 54 2.7.2.3.2 Reset Switch Header Pins 5 and 7 can be connected to a momentary single p

Technical Reference 55 2.7.2.4 Front Panel USB Headers Figure 16 is a connection diagram for the front panel USB headers. # INTEGRATOR’S NOTES •

Intel Desktop Board D946GZAB Technical Product Specification 56 2.8 Jumper Block CAUTION Do not move the jumper with the power on. Always turn of

Technical Reference 57 2.9 Mechanical Considerations 2.9.1 Form Factor The board is designed to fit into an ATX- or microATX-form-factor chassis.

Intel Desktop Board D946GZAB Technical Product Specification 58 2.9.2 I/O Shield The back panel I/O shield for the board must meet specific dimensi

Technical Reference 59 2.10 Electrical Considerations 2.10.1 DC Loading Table 28 lists the DC loading characteristics of the board. This data is b

Intel Desktop Board D946GZAB Technical Product Specification vi 2.6 PCI Interrupt Routing Map ...

Intel Desktop Board D946GZAB Technical Product Specification 60 2.10.3 Add-in Board Considerations The board is designed to provide 2 A (average) o

Technical Reference 61 2.11 Thermal Considerations CAUTION A chassis with a maximum internal ambient temperature of 38 oC at the processor fan inle

Intel Desktop Board D946GZAB Technical Product Specification 62 Figure 20 shows the locations of the localized high temperature zones. OM18386DBCA I

Technical Reference 63 Table 30. Thermal Considerations for Components Component Maximum Case Temperature Processor For processor case temperature

Intel Desktop Board D946GZAB Technical Product Specification 64

65 3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction ...

Intel Desktop Board D946GZAB Technical Product Specification 66 Table 32 lists the BIOS Setup program menu features. Table 32. BIOS Setup Program Me

Overview of BIOS Features 67 3.3.2 PCI IDE Support If you select Auto in the BIOS Setup program, the BIOS automatically sets up the PCI IDE connecto

Intel Desktop Board D946GZAB Technical Product Specification 68 3.5 Legacy USB Support Legacy USB support enables USB devices to be used even when

Overview of BIOS Features 69 3.6.1 Language Support The BIOS Setup program and help messages are supported in US English. Additional languages are

Contents vii 5 Regulatory Compliance and Battery Disposal Information 5.1 Regulatory Compliance...

Intel Desktop Board D946GZAB Technical Product Specification 70 3.8 Boot Options In the BIOS Setup program, the user can choose to boot from a disk

Overview of BIOS Features 71 3.9 Adjusting Boot Speed These factors affect system boot speed: • Selecting and configuring peripherals properly •

Intel Desktop Board D946GZAB Technical Product Specification 72 3.10 BIOS Security Features The BIOS includes security features that restrict acces

73 4 Error Messages and Beep Codes What This Chapter Contains 4.1 Speaker ...

Intel Desktop Board D946GZAB Technical Product Specification 74 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress cod

Error Messages and Beep Codes 75 Table 40. Port 80h POST Codes POST Code Description of POST Operation Host Processor 10 Power-on initialization

Intel Desktop Board D946GZAB Technical Product Specification 76 Table 40. Port 80h POST Codes (continued) POST Code Description of POST Operation

Error Messages and Beep Codes 77 Table 40. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for use

Intel Desktop Board D946GZAB Technical Product Specification 78 Table 41. Typical Port 80h POST Sequence POST Code Description 21 Initializing a c

79 5 Regulatory Compliance and Battery Disposal Information What This Chapter Contains 5.1 Regulatory Compliance...

Intel Desktop Board D946GZAB Technical Product Specification viii 14. PCI Interrupt Routing Map ...

Intel Desktop Board D946GZAB Technical Product Specification 80 The product is properly CE marked demonstrating this conformity and is for distribut

Regulatory Compliance and Battery Disposal Information 81 Portuguese Este produto cumpre com as normas da Diretiva Européia 89/336/EEC & 73/23/

Intel Desktop Board D946GZAB Technical Product Specification 82 5.1.3 Product Ecology Statements The following information is provided to address w

Regulatory Compliance and Battery Disposal Information 83 Français Dans le cadre de son engagement pour la protection de l'environnement, Intel

Intel Desktop Board D946GZAB Technical Product Specification 84 Türkçe Intel, çevre sorumluluğuna bağımlılığının bir parçası olarak, perakende tük

Regulatory Compliance and Battery Disposal Information 85 5.1.4 EMC Regulations Desktop Board D946GZAB complies with the EMC regulations stated in T

Intel Desktop Board D946GZAB Technical Product Specification 86 Korean Class B statement translation: this is household equipment that is certified

Regulatory Compliance and Battery Disposal Information 87 5.2 Battery Disposal Information CAUTION Risk of explosion if the battery is replaced wit

Intel Desktop Board D946GZAB Technical Product Specification 88 PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada.

Regulatory Compliance and Battery Disposal Information 89 AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri s

9 1 Product Description What This Chapter Contains 1.1 Overview......

Intel Desktop Board D946GZAB Technical Product Specification 90