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Intel
D945PVS
Technical Product Specification
®
The Intel
Desktop Board D945PVS may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current
characterized errata are documented in the Intel Desktop Board D945PVS Specification Update.
®
Desktop Board
May 2005
Order Number: D14072-001US
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Table of Contents
Related Manuals for Intel BOXD945PVSLKR
Summary of Contents for Intel BOXD945PVSLKR
- Page 1 Order Number: D14072-001US ® The Intel Desktop Board D945PVS may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Board D945PVS Specification Update.
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Page 2: Revision History
Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from: Intel Corporation P.O. -
Page 3: Intended Audience
Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, ® power and environmental requirements, and the BIOS for the Intel Desktop Board D945PVS. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Board D945PVS and its components to the vendors, system integrators, and other engineers and technicians who need this level of information. - Page 4 Intel Desktop Board D945PVS Technical Product Specification Other Common Notation Used after a signal name to identify an active-low signal (such as USBP0#) (NxnX) When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Board D945PVS, and X is the instance of the particular part at that general location.
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Page 5: Table Of Contents
Block Diagram ....................14 Online Support ......................15 Processor ........................15 System Memory ......................16 1.4.1 Memory Configurations ................. 17 ® Intel 945P Chipset...................... 21 1.5.1 USB ....................... 21 1.5.2 IDE Support ....................21 1.5.3 Real-Time Clock, CMOS SRAM, and Battery..........23 PCI Express* Connectors .................... - Page 6 Intel Desktop Board D945PVS Technical Product Specification 2 Technical Reference Introduction ........................37 Memory Resources ...................... 37 2.2.1 Addressable Memory..................37 2.2.2 Memory Map....................39 DMA Channels ......................39 Fixed I/O Map....................... 40 PCI Configuration Space Map..................41 Interrupts ........................42 PCI Conventional Interrupt Routing Map ..............
- Page 7 Contents Adjusting Boot Speed....................74 3.8.1 Peripheral Selection and Configuration ............74 3.8.2 BIOS Boot Optimizations................74 BIOS Security Features ....................75 4 Error Messages and Beep Codes Speaker ........................77 BIOS Beep Codes......................77 BIOS Error Messages ....................77 Port 80h POST Codes ....................
- Page 8 Intel Desktop Board D945PVS Technical Product Specification Tables Feature Summary ......................10 Manufacturing Options ....................11 Board Components Shown in Figure 1 ................ 13 Supported Memory Configurations ................16 LAN Connector LED States ..................28 Effects of Pressing the Power Switch ................31 Power States and Targeted System Power ..............
- Page 9 What This Chapter Contains Overview ........................10 Online Support ......................15 Processor ........................15 System Memory ......................16 ® Intel 945P Chipset...................... 21 PCI Express* Connectors .................... 23 IEEE-1394a Connectors ....................24 Legacy I/O Controller ....................24 Audio Subsystem ......................26 1.10 LAN Subsystem ......................
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Page 10: Overview
• One diskette drive interface • PS/2 keyboard and mouse ports SATA RAID Intel 82801GR I/O Controller Hub (ICH7-R) for RAID support (levels 0,1, 0+1, and 5) on the SATA interface LAN Support Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the ®... -
Page 11: Manufacturing Options
• Fan speed control 1.1.2 Manufacturing Options Table 2 describes the manufacturing options. Not every manufacturing option is available in all marketing channels. Please contact your Intel representative to determine which manufacturing options are available to you. Table 2. Manufacturing Options... -
Page 12: Board Layout
Intel Desktop Board D945PVS Technical Product Specification 1.1.3 Board Layout Figure 1 shows the location of the major components. OM17821 Figure 1. Board Components Table 3 lists the components identified in Figure 1. -
Page 13: Board Components Shown In Figure 1
Auxiliary front panel power LED connector Front panel connector Front panel USB connectors [2] Chassis intrusion connector Intel 82801GR I/O Controller Hub (ICH7-R) SPI flash device IEEE-1394a controller Front panel IEEE-1394a connectors [2] PCI Conventional bus add-in card connectors [2]... -
Page 14: Block Diagram
Intel Desktop Board D945PVS Technical Product Specification 1.1.4 Block Diagram Figure 2 is a block diagram of the major functional areas. Gigabit Ethernet PCI Express x1 Interface Controller Connector PCI Express x1 Slot 1 Back Panel/Front Panel USB Ports PCI Express x1 Slot 2... -
Page 15: Online Support
1.3 Processor The board is designed to support Intel Pentium 4 processors in an LGA775 processor socket with a 1066, 800, or 533 MHz system bus. See the Intel web site listed below for the most up-to-date list of supported processors. -
Page 16: System Memory
Intel Desktop Board D945PVS Technical Product Specification 1.4 System Memory The board has four DIMM sockets and support the following memory features: • 1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organization are not supported. -
Page 17: Memory Configurations
Product Description 1.4.1 Memory Configurations The Intel 82945P MCH supports two types of memory organization: • Dual channel (Interleaved) mode. This mode offers the highest throughput for real world applications. Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal. -
Page 18: Dual Channel (Interleaved) Mode Configuration With Two Dimms
Intel Desktop Board D945PVS Technical Product Specification 1.4.1.1 Dual Channel (Interleaved) Mode Configurations Figure 4 shows a dual channel configuration using two DIMMs. In this example, the DIMM0 (blue) sockets of both channels are populated with identical DIMMs. Channel A, DIMM 0... -
Page 19: Dual Channel (Interleaved) Mode Configuration With Four Dimms
Product Description Figure 6 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B. Also, the DIMMs are matched between DIMM0 and DIMM1 of both channels. Channel A, DIMM 0 256 MB 512 MB... -
Page 20: Single Channel (Asymmetric) Mode Configuration With One Dimm
Intel Desktop Board D945PVS Technical Product Specification 1.4.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 7 shows a single channel configuration using one DIMM. In this example, only the DIMM0 (blue) socket of Channel A is populated. -
Page 21: Intel ® 945P Chipset
945P Chipset The Intel 945P chipset consists of the following devices: • Intel 82945P Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • Intel 82801GR I/O Controller Hub (ICH7-R) with DMI interconnect The MCH component provides interfaces to the CPU, memory, PCI Express, and the DMI interconnect. - Page 22 Intel Desktop Board D945PVS Technical Product Specification • ATA-66: DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 66 MB/sec. ATA-66 protocol is similar to Ultra DMA and is device driver compatible. •...
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Page 23: Real-Time Clock, Cmos Sram, And Battery
Product Description 1.5.2.3 Serial ATA RAID The ICH7-R supports the following RAID (Redundant Array of Independent Drives) levels: • RAID 0 - data striping. Multiple physical drives can be teamed together to create one logical drive. As data is written or retrieved from the logical drive, both drives operate in parallel, thus increasing the throughput. -
Page 24: Ieee-1394A Connectors
Intel Desktop Board D945PVS Technical Product Specification • Wake# signal supporting wake events from ACPI S1, S3, S4, or S5 • Software compatible with the PCI Power Management Event (PME) mechanism defined in the PCI Power Management Specification Rev. 1.1 1.7 IEEE-1394a Connectors... -
Page 25: Parallel Port
Product Description 1.8.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS Setup program to set the parallel port mode. For information about Refer to The location of the parallel port connector Figure 15, page 45 1.8.3 Diskette Drive Controller The legacy I/O controller supports one diskette drive. -
Page 26: Audio Subsystem
Line out and Mic in functions for front panel audio jacks • A signal-to-noise (S/N) ratio of 95 dB 1.9.1 Audio Subsystem Software Audio software and drivers are available from Intel’s World Wide Web site. For information about Refer to Obtaining audio software and drivers Section 1.2, page 15... -
Page 27: Front/Back Panel Audio Connector Options
Figure 9. Front/Back Panel Audio Connector Options Figure 10 is a block diagram of the 8-channel (7.1) audio subsystem. Line Out Front Panel Mic In Line In/Side Surround L-R/Retasking Jack 82801GR Intel Sigmatel Line Out/Retasking Jack I/O Controller High Definition 9223 Mic In/Retasking Jack Back... -
Page 28: Lan Subsystem
100 Mbits/sec data rate is selected. Yellow 1000 Mbits/sec data rate is selected. 1.10.3 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site. For information about Refer to Obtaining LAN software and drivers Section 1.2, page 15... -
Page 29: Hardware Management Subsystem
When the chassis cover is removed, the mechanical switch is in the closed position. 1.11.3 Fan Monitoring ® Fan monitoring can be implemented using Intel Desktop Utilities or third-party software. The level of monitoring and control is dependent on the hardware monitoring ASIC used with the board. -
Page 30: Thermal Monitoring
Intel Desktop Board D945PVS Technical Product Specification 1.11.4 Thermal Monitoring Figure 12 shows the location of the sensors and fan connectors. OM17826 Item Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC... -
Page 31: Power Management
Product Description 1.12 Power Management Power management is implemented at several levels, including: • Software support through Advanced Configuration and Power Interface (ACPI) • Hardware support: ⎯ Power connector ⎯ Fan connectors ⎯ LAN wake capabilities ⎯ Instantly Available PC technology ⎯... -
Page 32: Power States And Targeted System Power
Intel Desktop Board D945PVS Technical Product Specification 1.12.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transitions. The operating system puts devices in and out of low-power states based on user preferences and knowledge of how devices are being used by applications. -
Page 33: Hardware Support
Product Description 1.12.1.3 Wake-up Devices and Events Table 8 lists the devices or specific events that can wake the computer from specific states. Table 8. Wake-up Devices and Events These devices/events can wake up the computer… …from this state (Note) S1, S3, S4, S5 Modem (back panel Serial Port A) S1, S3... -
Page 34: Power Connector
Intel Desktop Board D945PVS Technical Product Specification Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal). NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support. - Page 35 Product Description Depending on the LAN implementation, the board supports LAN wake capabilities with ACPI in the following ways: • The PCI Express WAKE# signal • The PCI Conventional bus PME# signal for PCI 2.3 compliant LAN designs • The onboard LAN subsystem 1.12.2.4 Instantly Available PC Technology CAUTION...
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Page 36: Trusted Platform Module (Optional)
Intel Desktop Board D945PVS Technical Product Specification 1.12.2.9 WAKE# Signal Wake-up Support When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from an ACPI S1, S3, S4, or S5 state. 1.12.2.10 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the computer appears to be off. -
Page 37: Technical Reference
2 Technical Reference What This Chapter Contains Introduction ........................37 Memory Resources ...................... 37 DMA Channels ......................39 Fixed I/O Map....................... 40 PCI Configuration Space Map..................41 Interrupts ........................42 PCI Conventional Interrupt Routing Map ..............43 Connectors........................44 Jumper Block ....................... 55 2.10 Mechanical Considerations .................. -
Page 38: Detailed System Memory Address Map
Intel Desktop Board D945PVS Technical Product Specification • MCH base address registers, internal graphics ranges, PCI Express ports (up to 512 MB) • Memory-mapped I/O that is dynamically allocated for PCI Conventional and PCI Express add-in cards The amount of installed memory that can be used will vary based on add-in cards and BIOS settings. -
Page 39: Memory Map
Technical Reference 2.2.2 Memory Map Table 9 lists the system memory map. Table 9. System Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 4194304 K 100000 - FFFFFFFF 4095 MB Extended memory 960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS... -
Page 40: Fixed I/O Map
Intel Desktop Board D945PVS Technical Product Specification 2.4 Fixed I/O Map Table 11. I/O Map Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D945PVS. Refer to the ICH7-R data sheet for dynamic addressing information. -
Page 41: Pci Configuration Space Map
PCI Configuration Space Map Device Function Number (hex) Number (hex) Number (hex) Description Memory controller of Intel 82945P component (Note 1) PCI Express x16 graphics port Intel High Definition Audio Controller PCI Express port 1 PCI Express port 2 PCI Express port 3... -
Page 42: Interrupts
Intel Desktop Board D945PVS Technical Product Specification 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH7-R component. The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts. The APIC is supported in Windows 2000 and Windows XP and supports a total of 24 interrupts. -
Page 43: Pci Conventional Interrupt Routing Map
Technical Reference 2.7 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices. The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus. -
Page 44: Connectors
Intel Desktop Board D945PVS Technical Product Specification 2.8 Connectors CAUTION Only the following connectors have overcurrent protection: back panel USB, front panel USB, and PS/2. The other internal connectors are not overcurrent protected and should connect only to devices inside the computer’s chassis, such as fans and internal peripherals. Do not use these connectors to power devices external to the computer’s chassis. -
Page 45: Back Panel Connectors
Technical Reference 2.8.1 Back Panel Connectors Figure 15 shows the location of the back panel connectors. The back panel connectors are color-coded. The figure legend (Table 15) lists the colors used (when applicable). OM17828 Figure 15. Back Panel Connectors for 8-Channel (7.1) Audio Subsystem Table 15 lists the back panel connectors identified in Figure 15. -
Page 46: Component-Side Connectors
Intel Desktop Board D945PVS Technical Product Specification 2.8.2 Component-side Connectors Figure 16 shows the locations of the component-side connectors. OM17829 Figure 16. Component-side Connectors... -
Page 47: Component-Side Connectors Shown In Figure 16
Technical Reference Table 16 lists the component-side connectors identified in Figure 16. Table 16. Component-side Connectors Shown in Figure 16 Item/callout from Figure 16 Description PCI Conventional bus add-in card connector 4 Auxiliary fan connector (optional) PCI Conventional bus add-in card connector 3 PCI Express x1 bus add-in card connector 2 PCI Express x1 bus add-in card connector 1 Front panel audio connector... -
Page 48: Front Panel Audio Connector
Intel Desktop Board D945PVS Technical Product Specification Table 17. Front Panel Audio Connector Signal Name Signal Name Port E [Port 1] Left Channel Ground Port E [Port 1] Right Channel Presence# (dongle present) Port F [Port 2] Right Channel Port E [Port 1] Sense return... -
Page 49: Processor Fan Connector
Technical Reference Table 20. Processor Fan Connector Signal Name Ground +12 V FAN_TACH FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The board has two standard and one optional chassis fan connectors: • Front chassis fan • Rear chassis fan • Auxiliary fan connector (optional) Table 21 lists the signal names for the front and rear chassis fan connectors. -
Page 50: Main Power Connector
Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards. The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When using a power supply with a 2 x 10 main power cable, attach that cable on the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected. -
Page 51: Auxiliary Front Panel Power/Sleep Led Connector
⎯ The SMBus data line is connected to pin A41. NOTE The PCI Express x16 connector is configured to support only a PCI Express x1 link when the ® Intel GMA950 graphics controller is enabled. 2.8.2.4 Auxiliary Front Panel Power/Sleep LED Connector Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector. -
Page 52: Connection Diagram For Front Panel Connector
Intel Desktop Board D945PVS Technical Product Specification 2.8.2.5 Front Panel Connector This section describes the functions of the front panel connector. Table 26 lists the signal names of the front panel connector. Figure 17 is a connection diagram for the front panel connector. -
Page 53: States For A One-Color Power Led
Technical Reference 2.8.2.5.2 Reset Switch Connector [Purple] Pins 5 and 7 [Purple] can be connected to a momentary single pole, single throw (SPST) type switch that is normally open. When the switch is closed, the board resets and runs the POST. 2.8.2.5.3 Power/Sleep LED Connector [Green] Pins 2 and 4 [Green] can be connected to a one- or two-color LED. -
Page 54: Connection Diagram For Front Panel Usb Connectors
Intel Desktop Board D945PVS Technical Product Specification 2.8.2.6 Front Panel USB Connectors Figure 18 is a connection diagram for the front panel USB connectors. INTEGRATOR’S NOTES • The +5 V DC power on the USB connector is fused. • Pins 1, 3, 5, and 7 comprise one USB port. -
Page 55: Jumper Block
Technical Reference 2.9 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the board could be damaged. Figure 20 shows the location of the jumper block. The jumper block determines the BIOS Setup program’s mode. -
Page 56: Mechanical Considerations
Intel Desktop Board D945PVS Technical Product Specification 2.10 Mechanical Considerations 2.10.1 Form Factor The board is designed to fit into an ATX-form-factor chassis. Figure 21 illustrates the mechanical form factor of the board. Dimensions are given in inches [millimeters]. The outer dimensions are 12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters]. -
Page 57: I/O Shield
Additional design considerations for I/O shields relative to chassis requirements are described in the ATX specification. NOTE The I/O shield drawings in this document are for reference only. I/O shields compliant with the ATX chassis specification 2.03 are available from Intel. 162.3 REF [6.390] 1.6 ± 0.12 [0.063 ±... -
Page 58: Electrical Considerations
Intel Desktop Board D945PVS Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 30 lists the DC loading characteristics of the boards. This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems. The analysis does not include PCI add-in cards. -
Page 59: Fan Connector Current Capability
Technical Reference 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation. Table 31 lists the current capability of the fan connectors. -
Page 60: Thermal Considerations
All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. Intel makes no warranties or representations that merely following the instructions presented in this document will result in a system with adequate thermal performance. -
Page 61: Localized High Temperature Zones
(item A in Figure 24) can reach a temperature of up to 85 C in an open chassis. Figure 24 shows the locations of the localized high temperature zones. OM17833 Item Description Processor voltage regulator area Processor Intel 82945P MCH Intel 82801GR ICH7-R Figure 24. Localized High Temperature Zones... -
Page 62: Reliability
C (under bias, without heatsink) C (under bias, with heatsink) For information about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1.2, page 15 2.13 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. -
Page 63: Environmental
Technical Reference 2.14 Environmental Table 33 lists the environmental specifications for the board. Table 33. Environmental Specifications Parameter Specification Temperature -40 °C to +70 °C Non-Operating 0 °C to +55 °C Operating Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches/second Packaged Half sine 2 millisecond Product Weight (pounds) -
Page 64: Regulatory Compliance
Intel Desktop Board D945PVS Technical Product Specification 2.15 Regulatory Compliance This section describes the Desktop Boards’ compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 34 lists the safety regulations that the Desktop Board D945PVS complies with when correctly installed in a compatible host system. -
Page 65: European Union Declaration Of Conformity Statement
• Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the user’s authority to operate the equipment. Tested to comply with FCC standards for home or office use. -
Page 66: Recycling Considerations
Svenska Denna produkt har tillverkats i enlighet med EG-direktiv 89/336/EEC & 73/23/EEC. 2.15.4 Recycling Considerations Intel encourages its customers to recycle its products and their components (e.g., batteries, circuit boards, plastic enclosures, etc.) whenever possible. In the U.S., a list of recyclers in your area can be found at: http://www.eiae.org/... -
Page 67: Product Certification Markings (Board Level)
Description Marking UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel Desktop Boards: E210882 (component side). FCC Declaration of Conformity logo mark for Class B equipment; includes Intel name and D945PVS model designation (component side). CE mark. Declares compliance to European Union (EU) EMC directive (89/336/EEC) and Low Voltage directive (73/23/EEC) (component side). - Page 68 Intel Desktop Board D945PVS Technical Product Specification...
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Page 69: Overview Of Bios Features
BIOS Security Features ....................75 3.1 Introduction The boards use an Intel BIOS that is stored in the Serial Peripheral Interface Flash Memory (SPI Flash) and can be updated using a disk-based program. The SPI Flash contains the BIOS Setup program, POST, the PCI auto-configuration utility, and Plug and Play support. -
Page 70: Bios Flash Memory Organization
Intel Desktop Board D945PVS Technical Product Specification Table 37 lists the BIOS Setup program menu features. Table 37. BIOS Setup Program Menu Bar Maintenance Main Advanced Security Power Boot Exit Clears Displays Configures Sets Configures Selects boot Saves or passwords and... -
Page 71: System Management Bios (Smbios)
Overview of BIOS Features performance. To take advantage of the high capacities typically available today, hard drives are automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto-configuration options by specifying manual configuration in the BIOS Setup program. -
Page 72: Bios Updates
To install an operating system that supports USB, follow the operating system’s installation instructions. 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel World Wide Web site: • ®... -
Page 73: Boot Options
Overview of BIOS Features 3.7 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives, CD-ROM, or the network. The default setting is for the diskette drive to be the first boot device, the hard drive second, and the ATAPI CD-ROM third. -
Page 74: Adjusting Boot Speed
It is possible to optimize the boot process to the point where the system boots so quickly that the Intel logo screen (or a custom logo splash screen) will not be seen. Monitors and hard disk drives with minimum initialization times can also contribute to a boot time that might be so fast that necessary logo screens and POST messages cannot be seen. -
Page 75: Bios Security Features
Overview of BIOS Features 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer, with the following restrictions: •... - Page 76 Intel Desktop Board D945PVS Technical Product Specification...
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Page 77: Error Messages And Beep Codes
4 Error Messages and Beep Codes What This Chapter Contains Speaker ........................77 BIOS Beep Codes......................77 BIOS Error Messages ....................77 Port 80h POST Codes ....................78 4.1 Speaker The board-mounted speaker provides audible error code (beep code) information during POST. For information about Refer to The location of the onboard speaker... -
Page 78: Port 80H Post Codes
Intel Desktop Board D945PVS Technical Product Specification 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress codes (POST-codes) to I/O port 80h. If the POST fails, execution stops and the last POST code generated is left at port 80h. This code is useful for determining the point where an error occurred. -
Page 79: Port 80H Post Codes
Error Messages and Beep Codes Table 44. Port 80h POST Codes POST Code Description of POST Operation Host Processor Power-on initialization of the host processor (Boot Strap Processor) Host processor Cache initialization (including APs) Starting Application processor initialization SMM initialization Chipset Initializing a chipset component Memory... - Page 80 Intel Desktop Board D945PVS Technical Product Specification Table 44. Port 80h POST Codes (continued) POST Code Description of POST Operation Keyboard (PS2 or USB) Resetting keyboard Disabling keyboard Detecting presence of the keyboard Enabling the keyboard Clearing keyboard input buffer...
- Page 81 Error Messages and Beep Codes Table 44. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers Waiting for user input Checking password Entering BIOS setup TBD – Flash Update Calling Legacy Option ROMs TBD – Calling INT 19. One beep unless silent boot is enabled. TBD –...
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Page 82: Typical Port 80H Post Sequence
Intel Desktop Board D945PVS Technical Product Specification Table 45. Typical Port 80h POST Sequence POST Code Description Initializing a chipset component Reading SPD from memory DIMMs Detecting presence of memory DIMMs Configuring memory Testing memory Loading recovery capsule Entered DXE phase...
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