
April 2009 Order Number: E62862-001US The Intel® Desktop Board D945GSEJT may contain design defects or errors known as errata that may cause th
Intel Desktop Board D945GSEJT Technical Product Specification 10 Table 1. Feature Summary (continued) BIOS • Intel® BIOS (resident in the SPI Flash
Product Description 11 1.1.2 Board Layout Figure 1-1 shows the location of the major components. Figure 1-1. Major Board Components Table 2 lists t
Intel Desktop Board D945GSEJT Technical Product Specification 12 Table 2. Board Components Shown in Figure 1-1 Item/callout from Figure 1-1 Descript
Product Description 13 1.1.3 Block Diagram Figure 1-2 is a block diagram of the major functional areas. Figure 1-2. Block Diagram
Intel Desktop Board D945GSEJT Technical Product Specification 14 1.2 Online Support To find information about… Visit this World Wide Web site: Int
Product Description 15 1.4 System Memory The board has one 200-pin DDR2 SO-DIMM socket and supports the following memory features: • DDR2 SDRAM SO-D
Intel Desktop Board D945GSEJT Technical Product Specification 16 1.5 Mobile Intel® 945GSE Chipset The Mobile Intel 945GSE chipset consists of the fol
Product Description 17 • 2D Graphics enhancements ⎯ 8, 16, and 32 bit color ⎯ Optimized 256-bit BLT engine ⎯ Color space conversion ⎯ Anti-aliase
Intel Desktop Board D945GSEJT Technical Product Specification 18 1.5.2 USB The board supports up to seven USB 2.0 ports, supports UHCI and EHCI, and
Product Description 19 NOTE ATA-66 and ATA-100 are faster timings and require a specialized cable to reduce reflections, noise, and inductive coupl
Revision History Revision Revision History Date -001 First release of the Intel® Desktop Board D945GSEJT Technical Product Specification. April 20
Intel Desktop Board D945GSEJT Technical Product Specification 20 1.6 Real-Time Clock Subsystem A coin-cell battery (CR2032) powers the real-time cloc
Product Description 21 1.7.2 Parallel Port The parallel port is implemented as a 26-pin header on the board. Use the BIOS Setup program to set the p
Intel Desktop Board D945GSEJT Technical Product Specification 22 1.8.1 Audio Subsystem Drivers Audio drivers are available from Intel’s World Wide We
Product Description 23 1.9 LAN Subsystem The LAN subsystem consists of the following: • Intel 82801GBM ICH7-M • Realtek 8111D Gigabit Ethernet Cont
Intel Desktop Board D945GSEJT Technical Product Specification 24 1.9.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN
Product Description 25 1.10.2 Thermal Monitoring Figure 1-4 shows the locations of the thermal sensors and fan headers. Item Description A Remote t
Intel Desktop Board D945GSEJT Technical Product Specification 26 1.11 Power Management Power management is implemented at several levels, including:
Product Description 27 1.11.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transitions
Intel Desktop Board D945GSEJT Technical Product Specification 28 1.11.1.2 Wake-up Devices and Events Table 8 lists the devices or specific events tha
Product Description 29 1.11.2 Hardware Support The board provides several power management hardware features, including: • Fan header • LAN wake ca
iii Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and
Intel Desktop Board D945GSEJT Technical Product Specification 30 1.11.2.3 Instantly Available PC Technology Instantly Available PC technology enables
Product Description 31 1.11.2.8 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the
Intel Desktop Board D945GSEJT Technical Product Specification 32 1.11.3 ENERGY STAR*, E-Standby, and EuP Compliance The US Department of Energy and t
33 2 Technical Reference 2.1 Memory Map 2.1.1 Addressable Memory The board utilizes 2 GB of addressable system memory. Typically the address spac
Intel Desktop Board D945GSEJT Technical Product Specification 34 The amount of installed memory that can be used will vary based on add-in cards and B
Technical Reference 35 Table 10 lists the system memory map. Table 10. System Memory Map Address Range (decimal) Address Range (hex) Size Descripti
Intel Desktop Board D945GSEJT Technical Product Specification 36 2.2 Connectors and Headers CAUTION Only the following connectors/headers have overc
Technical Reference 37 2.2.1 Back Panel 2.2.1.1 Back Panel Connectors Figure 2-2 shows the location of the back panel connectors. Item Descriptio
Intel Desktop Board D945GSEJT Technical Product Specification 38 2.2.1.2 I/O Shield The I/O shield provided with the board allows access to all back
Technical Reference 39 2.2.2 Component-side Connectors and Headers Figure 2-4 shows the locations of the component-side connectors and headers. Figu
Intel Desktop Board D945GSEJT Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal (
Intel Desktop Board D945GSEJT Technical Product Specification 40 Table 11 lists the component-side connectors and headers identified in Figure 2-4.
Technical Reference 41 2.2.2.1 Signal Tables for the Connectors and Headers Table 12. Serial Port Header (COM 1 and COM 2) Pin Signal Name Pin
Intel Desktop Board D945GSEJT Technical Product Specification 42 Table 15. Chassis Fan Header Pin Signal Name 1 Control 2 +12 V 3 Tach Table 16. C
Technical Reference 43 Table 19. Parallel Port Header Pin Standard Signal Name ECP Signal Name EPP Signal Name 1 STROBE# STROBE# WRITE# 2 AUTOFD#
Intel Desktop Board D945GSEJT Technical Product Specification 44 Table 22. Internal Mono Speaker Header Pin Signal Name 1 + 2 − Table 23. Front P
Technical Reference 45 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express Mini Card (rev 1.2 compliant
Intel Desktop Board D945GSEJT Technical Product Specification 46 2.2.2.4 Front Panel Header This section describes the functions of the front panel h
Technical Reference 47 2.2.2.4.1 Hard Drive Activity LED Header Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is be
Intel Desktop Board D945GSEJT Technical Product Specification 48 2.2.2.5 Front Panel USB Headers Figure 2-6 is a connection diagram for the front pan
Technical Reference 49 2.3 BIOS Configuration Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug t
v Contents 1 Product Description 1.1 Overview... 9 1.1.1 Fe
Intel Desktop Board D945GSEJT Technical Product Specification 50 Table 28. BIOS Configuration Jumper Settings Function/Mode Jumper Setting Configura
Technical Reference 51 2.4 Mechanical Considerations 2.4.1 Form Factor The board is designed to fit into a mini-ITX or microATX form-factor chassis.
Intel Desktop Board D945GSEJT Technical Product Specification 52 2.5 Electrical Considerations 2.5.1 Power Supply Considerations CAUTION The extern
Technical Reference 53 2.6 Thermal Considerations CAUTION Failure to ensure appropriate airflow may result in reduced performance of both the proces
Intel Desktop Board D945GSEJT Technical Product Specification 54 Figure 2-10 shows the locations of the localized high temperature zones. Item Descri
Technical Reference 55 Table 30. Thermal Considerations for Components Component Maximum Case Temperature Intel Atom processor N270 90 oC Processo
Intel Desktop Board D945GSEJT Technical Product Specification 56 • 2.5-inch PATA hard disk drive ⎯ Load: continuous read/write benchmark • Intel Z-
Technical Reference 57 2.9 Environmental Table 33 lists the environmental specifications for the board. Table 33. Intel Desktop Board D945GSEJT Envi
Intel Desktop Board D945GSEJT Technical Product Specification 58
59 3 Overview of BIOS Features 3.1 Introduction The board uses an Intel BIOS that is stored in the Serial Peripheral Interface Flash Memory (SPI Fl
Intel Desktop Board D945GSEJT Technical Product Specification vi 2.5 Electrical Considerations...
Intel Desktop Board D945GSEJT Technical Product Specification 60 Table 34 lists the BIOS Setup program menu features. Table 34. BIOS Setup Program Me
Overview of BIOS Features 61 3.4 System Management BIOS (SMBIOS) SMBIOS is a Desktop Management Interface (DMI) compliant method for managing compute
Intel Desktop Board D945GSEJT Technical Product Specification 62 3.5 Legacy USB Support Legacy USB support enables USB devices to be used even when t
Overview of BIOS Features 63 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel World
Intel Desktop Board D945GSEJT Technical Product Specification 64 3.6.2 Custom Splash Screen During POST, an Intel® splash screen is displayed by defa
Overview of BIOS Features 65 3.7.3 Booting Without Attached Devices For use in embedded applications, the BIOS has been designed so that after passin
Intel Desktop Board D945GSEJT Technical Product Specification 66 3.8 BIOS Security Features The BIOS includes security features that restrict access
67 4 Board Status and Error Messages 4.1 Front-panel Power LED Blink and Internal Speaker Beep Codes Basic error and status messages are provided t
Intel Desktop Board D945GSEJT Technical Product Specification 68 4.3 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress code
Board Status and Error Messages 69 Table 42. Port 80h POST Codes POST Code Description of POST Operation Host Processor 10 Power-on initialization
Contents vii Figures 1-1. Major Board Components ... 11 1-2. Block Diagram ...
Intel Desktop Board D945GSEJT Technical Product Specification 70 Table 42. Port 80h POST Codes (continued) POST Code Description of POST Operation
Board Status and Error Messages 71 Table 42. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for us
Intel Desktop Board D945GSEJT Technical Product Specification 72 Table 43. Typical Port 80h POST Sequence POST Code Description 21 Initializing a c
73 5 Regulatory Compliance and Battery Disposal Information 5.1 Regulatory Compliance This section contains the following regulatory compliance inf
Intel Desktop Board D945GSEJT Technical Product Specification 74 5.1.2 European Union Declaration of Conformity Statement We, Intel Corporation, decl
Regulatory Compliance and Battery Disposal Information 75 Español Este producto cumple con las normas del Directivo Europeo 2004/108/EC & 2006/95
Intel Desktop Board D945GSEJT Technical Product Specification 76 Español Como parte de su compromiso de responsabilidad medioambiental, Intel ha impla
Regulatory Compliance and Battery Disposal Information 77 Russian В качестве части своих обязательств к окружающей среде, в Intel создана программа ут
Intel Desktop Board D945GSEJT Technical Product Specification 78 Table 45. Lead-Free Board Markings Description Mark Lead-Free 2nd Level Interconnect
Regulatory Compliance and Battery Disposal Information 79 5.1.4 EMC Regulations Intel Desktop Board D945GSEJT complies with the EMC regulations state
Intel Desktop Board D945GSEJT Technical Product Specification viii 27. States for a One-Color Power LED...
Intel Desktop Board D945GSEJT Technical Product Specification 80 Korean Class B statement translation: this is household equipment that is certified
Regulatory Compliance and Battery Disposal Information 81 5.2 Battery Disposal Information CAUTION Risk of explosion if the battery is replaced with
Intel Desktop Board D945GSEJT Technical Product Specification 82 PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada.
Regulatory Compliance and Battery Disposal Information 83 AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri se
Intel Desktop Board D945GSEJT Technical Product Specification 84
9 1 Product Description 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of Intel Desktop Board D945GSEJT. Table 1. Featu
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