Intel D845HV Product Specification

Intel D845HV Manual

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  • Intel D845HV | Product Specification - Page 1
    2001 Order Number: A65136-001 The Intel® Desktop Boards D845HV/D845WN 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 D845HV/D845WN Specification Update.
  • Intel D845HV | Product Specification - Page 2
    Board D845HV/D845WN Technical Product Specification. Date August 2001 This product specification applies to only standard D845HV and D845WN boards with BIOS identifier HV84510A.86A. Changes to this specification will be published in the Intel Desktop Board D845HV/D845WN Specification Update
  • Intel D845HV | Product Specification - Page 3
    Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and the BIOS for these Intel® Desktop Boards: D845HV and D845WN. It describes the standard product and available manufacturing options. Intended Audience The
  • Intel D845HV | Product Specification - Page 4
    Intel Desktop Board D845HV/D845WN Technical Product Specification Other Common Notation # (NxnX) GB GB/sec KB Kbit on the D845HV and D845WN boards, and X is the instance of the particular part at that general location. For example, J5J1 is a connector, located at 5J. It is the first connector in
  • Intel D845HV | Product Specification - Page 5
    12 1.2.1 Feature Summary 12 1.2.2 Manufacturing Options 13 1.2.3 Board Layouts 14 1.2.4 Block Diagram 16 1.3 Online Support ...17 1.4 Operating System Support 17 1.5 Design Specifications 18 1.6 Processor ...21 1.7 System Memory ...22 1.8 Intel® 845 Chipset...24 1.8.1 AGP ...25 1.8.2 USB...25
  • Intel D845HV | Product Specification - Page 6
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2 Technical Reference 2.1 Introduction...45 2.2 Memory Map ...45 2.3 I/O Map ...46 2.4 DMA Channels ...48 2.5 PCI Configuration Space Map 48 2.6 Interrupts ...49 2.7 PCI Interrupt Routing Map 49 2.8 Connectors ...51 2.8.1 Back Panel
  • Intel D845HV | Product Specification - Page 7
    Messages and Beep Codes 5.1 BIOS Error Messages 119 5.2 Port 80h POST Codes 121 5.3 Bus Initialization Checkpoints 125 5.4 Speaker (Optional 126 5.5 BIOS Beep Codes ...126 Figures 1. D845HV Board Components 14 2. D845WN Board Components 15 3. Block Diagram ...16 4. Intel 845 Chipset Block
  • Intel D845HV | Product Specification - Page 8
    Intel Desktop Board D845HV/D845WN Technical Product Specification 10. Back Panel Connectors 52 11. Audio Connectors ...56 12. Power and Hardware Control Connectors 58 13. D845HV Add-in Board and Peripheral Interface Connectors 61 14. D845WN Add-in Board and Peripheral Interface Connectors 62 15.
  • Intel D845HV | Product Specification - Page 9
    . Front Panel Audio Connector / Jumper Block 73 49. BIOS Setup Configuration Jumper Settings 73 50. Power Usage...78 51. Standby Current Requirements 79 52. Fan Connector Current Capability 80 53. Thermal Considerations for Components 82 54. D845HV/D845WN Board Environmental Specifications 83
  • Intel D845HV | Product Specification - Page 10
    Intel Desktop Board D845HV/D845WN Technical Product Specification 82. Uncompressed INIT Code Checkpoints 121 83. Boot Block Recovery Code Checkpoints 121 84. Runtime Code Uncompressed in F000 Shadow RAM 122 85. Bus Initialization Checkpoints 125 86. Upper Nibble High Byte Functions 125 87.
  • Intel D845HV | Product Specification - Page 11
    What This Chapter Contains 1.1 Board Differences...11 1.2 Overview ...12 1.3 Online Support ...17 1.4 Operating System Support 17 1.5 Design Specifications 18 1.6 Processor ...21 1.7 System Memory ...22 1.8 Intel® 845 Chipset...24 1.9 I/O Controller ...29 1.10 Audio Subsystem (Optional 32 1.11
  • Intel D845HV | Product Specification - Page 12
    the D845HV and D845WN boards' major features. Table 2. Feature Summary Form Factor Processor Memory (Refer also to Table 3, page 13) D845HV: microATX (9.60 inches by 9.60 inches) D845WN: ATX (12.00 inches by 9.60 inches) • Support for an Intel® Pentium® 4 processor in an mPGA478 socket • 400
  • Intel D845HV | Product Specification - Page 13
    Specification Revision 2.2 • Suspend to RAM support • Wake on PCI, CNR, RS-232, front panel, PS/2 devices, and USB ports For information about The board's compliance level with ACPI, Plug and Play, and SMBIOS. Refer to Section 1.4, page 17 1.2.2 Manufacturing Options Table 3 describes the D845HV
  • Intel D845HV | Product Specification - Page 14
    on the D845HV board. A B C D E S F R G Q H P I ONM L KJ OM11427 A Audio codec (optional) B Intel 82562ET PLC Device (optional) C AGP connector D Back panel connectors E +12V power connector (ATX12V) F Intel 82845 Memory Controller Hub (MCH) G mPGA478 processor socket H DIMM sockets
  • Intel D845HV | Product Specification - Page 15
    on the D845WN board. A B C D E S F R G Q H P I ONM L KJ OM11426 A Audio codec (optional) B Intel 82562ET PLC Device (optional) C AGP connector D Back panel connectors E +12V power connector (ATX12V) F Intel 82845 Memory Controller Hub (MCH) G mPGA478 processor socket H DIMM sockets
  • Intel D845HV | Product Specification - Page 16
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.2.4 Block Diagram Figure 3 is a block diagram of the major functional areas of the D845HV and D845WN boards. = connector or socket USB Primary/ Secondary IDE UDMA 33 and ATA-66/100 LPC I/O Controller mPGA478 Processor Socket
  • Intel D845HV | Product Specification - Page 17
    board Processor data sheets Proper date access in systems with Intel® desktop boards ICH2 addressing Custom splash screens Audio software and utilities LAN software and drivers Visit this World Wide Web site: http://www.intel.com/design/motherbd http://support.intel.com/support/motherboards/desktop
  • Intel D845HV | Product Specification - Page 18
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.5 Design Specifications Table 4 lists the specifications applicable to the D845HV and D845WN boards. Table 4. Specifications Reference Name Specification Title AC '97 Audio Codec '97 ACPI Advanced Configuration and Power
  • Intel D845HV | Product Specification - Page 19
    irda.org/ standards/ specifications.asp http://www.intel.com/ design/chipsets/industry/ lpc.htm http://www.formfactors.org/ developer/specs/microatx/ microatxspecs.htm http://www.pcisig.com/ http://www.pcisig.com/ http://www.microsoft.com/ hwdev/respec/ pnpspecs.htm ftp://download.intel.com/ial/ wfm
  • Intel D845HV | Product Specification - Page 20
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 4. Specifications (continued) Reference Name SDRAM SFX SMBIOS UHCI USB WfM Specification Title PC SDRAM Unbuffered DIMM Specification PC SDRAM Specification PC Serial Presence Detect (SPD) Specification SFX/SFX12V Power
  • Intel D845HV | Product Specification - Page 21
    Intel® Desktop Board D845HV/D845WN Specification Update for the most up-to-date list of supported processors for these boards. The D845HV and D845WN boards support a single Pentium 4 processor (in an mPGA478 socket) with a system bus of 400 MHz. The D845HV and D845WN boards support the processors
  • Intel D845HV | Product Specification - Page 22
    SPD memory is installed, the BIOS will attempt to correctly configure the memory settings, but performance and reliability may be impacted or the DIMMs may not function under the determined frequency. The D845HV and D845WN boards both have three DIMM sockets and support the following memory features
  • Intel D845HV | Product Specification - Page 23
    and SDRAM organization. 3. In the second column, "DS" refers to double-sided memory modules (containing two rows of SDRAM) and "SS" refers to single-sided memory modules (containing one row of SDRAM).  NOTE For D845HV boards with two DIMM sockets, the maximum total system memory is 2 GB. 23
  • Intel D845HV | Product Specification - Page 24
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.8 Intel® 845 Chipset The Intel 845 chipset consists of the following devices: • Intel 82845 Memory Controller Hub (MCH) with Accelerated Hub Architecture (AHA) bus • Intel 82801BA I/O Controller Hub (ICH2) with AHA bus • Intel
  • Intel D845HV | Product Specification - Page 25
    is described in Section 1.8.2.1 • The USB configuration for boards with the SMSC LPC47M132 I/O controller is described in Section 1.8.2.2 The D845HV and D845WN boards fully support UHCI and use UHCI-compatible software drivers.  NOTE Computer systems that have an unshielded cable attached
  • Intel D845HV | Product Specification - Page 26
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.8.2.1 USB Configuration for Boards with the SMSC LPC47M142 I/O Controller The D845HV/D845WN boards support up to seven USB ports, as shown in Figure 5. The ICH2 provides three external ports: two ports are implemented with stacked
  • Intel D845HV | Product Specification - Page 27
    for Boards with the SMSC LPC47M132 I/O Controller For information about The location of the USB connectors on the back panel The signal names of the back panel USB connectors The location of the front panel USB connector The signal names of the front panel USB connector The USB specification and
  • Intel D845HV | Product Specification - Page 28
    Intel Desktop Board D845HV/D845WN Technical Product Specification The D845HV and D845WN boards support Laser Servo (LS-120) diskette technology through the IDE interfaces. An LS-120 drive can be configured as a boot device by setting the BIOS Setup program's Boot menu to one of the following: •
  • Intel D845HV | Product Specification - Page 29
    The D845HV and D845WN boards have two serial port connectors. Serial port A is located on the back panel. Serial port B is accessible using a connector located near the main power connector. The serial ports' NS16C550-compatible UART supports data transfers at speeds up to 115.2 kbits/sec with BIOS
  • Intel D845HV | Product Specification - Page 30
    42, page 69 1.9.2 Infrared Support On the front panel connector, there are four pins that support devices compliant with the IrDA Serial Infrared Physical Layer Specification, version 1.3. In the BIOS Setup program, infrared support is disabled by default. The IR connection can be used to transfer
  • Intel D845HV | Product Specification - Page 31
    on the back panel. The +5 V lines to these connectors are protected with a PolySwitch† circuit that, like a self-healing fuse, reestablishes the connection after an overcurrent condition is removed.  NOTE The keyboard is supported in the bottom PS/2 connector and the mouse is supported in the top
  • Intel D845HV | Product Specification - Page 32
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.10 Audio Subsystem (Optional) The optional audio subsystem includes these features: • Split digital/analog architecture for improved S/N (signal-to-noise) ratio: ≥ 85 dB • Power management support for ACPI 1.0 (driver dependant) •
  • Intel D845HV | Product Specification - Page 33
    41, page 69  NOTE The front panel audio connector is alternately used as a jumper block for routing audio signals. Refer to Section 2.9.1 on page 72 for more information. 1.10.1.2 Telephony Connector A 1 x 4-pin ATAPI-style connector connects the monaural audio signals of an internal telephony
  • Intel D845HV | Product Specification - Page 34
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.11 LAN Subsystem (Optional) The Network Interface Controller 100 Ethernet LAN connectivity • Supports RJ-45 connector with status indicator LEDs on the back panel • Full device driver compatibility • ACPI support • Programmable
  • Intel D845HV | Product Specification - Page 35
    in multiple configurations from several different vendors supporting analog or S/P-DIF digital connections. A list of vendors supplying CNR audio upgrade cards compatible with the D845HV/D845WN boards' onboard audio subsystem, as well as an installation guide for these cards with SoundMAX with SPX
  • Intel D845HV | Product Specification - Page 36
    Intel Desktop Board D845HV/D845WN Technical Product Specification  NOTE If you install a CNR card that cannot support a multichannel audio upgrade, the D845HV and D845WN boards' integrated audio codec will be disabled. This only applies to D845HV and D845WN boards that have both the onboard audio
  • Intel D845HV | Product Specification - Page 37
    The use of ACPI with the D845HV and D845WN boards requires an operating system that provides full ACPI support. ACPI features include: • Plug system to power-off the computer • Support for multiple wake-up events (see Table 10 on page 40) • Support for a front panel power and sleep mode switch. Table
  • Intel D845HV | Product Specification - Page 38
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 8. Effects of Pressing the Power Switch If the system is in working state) Power-off (ACPI G2/G5 - Soft off) For information about The D845HV and D845WN boards' compliance level with ACPI Refer to Section 1.5, page 18 38
  • Intel D845HV | Product Specification - Page 39
    states supported by the D845HV and D845WN boards along with the associated system power targets. See the ACPI specification for a complete description of the various system and power states. Table 9. Power States and Targeted System Power Global States Sleeping States Processor States Device
  • Intel D845HV | Product Specification - Page 40
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.14.1.2 Wake-up Devices and Events Table 10 lists the devices or specific events that can wake the computer from specific states. Table 10. Wake-up Devices and Events These devices/events can wake up the computer... Power switch
  • Intel D845HV | Product Specification - Page 41
    ). The computer's response can be set using the After Power Failure feature in the BIOS Setup program's Boot menu. For information about The location of the power connector The signal names of the power connector The BIOS Setup program's Boot menu The ATX specification Refer to Figure 12, page 58
  • Intel D845HV | Product Specification - Page 42
    Intel Desktop Board D845HV/D845WN Technical Product Specification 1.14.2.2 Fan Connectors Table 11 summarizes the function/operation of the fan connectors. Table 11. Fan Connector Function/Operation Connector Description Processor fan Front chassis fan (optional) • +12 V DC connection for a
  • Intel D845HV | Product Specification - Page 43
    for additional information. Instantly Available PC technology enables the D845HV and D845WN boards to enter the ACPI S3 (Suspend-to-RAM) sleep-state. While in the S3 sleep-state, the computer will appear to be off (the power supply is off, and the front panel LED is amber if dual colored, or off if
  • Intel D845HV | Product Specification - Page 44
    Intel Desktop Board D845HV/D845WN Technical Product Specification CR3H1 OM11428 Figure 9. Location of the ACPI S1 or S3 state.  NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB. 1.14.2.7 Wake from PS/2 Devices PS/2 device activity wakes the computer from an
  • Intel D845HV | Product Specification - Page 45
    Reference What This Chapter Contains 2.1 Introduction...45 2.2 Memory Map ...45 2.3 I/O Map ...46 2.4 DMA Channels ...48 2.5 PCI Configuration Space Map 48 2.6 Interrupts ...49 2.7 PCI Interrupt Routing Map 49 2.8 Connectors ...51 2.9 Jumper Blocks...72 2.10 Mechanical Considerations 74 2.11
  • Intel D845HV | Product Specification - Page 46
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.3 I/O Map Table 13. I/O Map Address (hex) 0000 - 000F 0020 - System CMOS DMA controller Fast A20 and PIC PIC APM control DMA Numeric data processor Secondary IDE channel Primary IDE channel LPT3 LPT2 COM4 / video (8514A) COM2
  • Intel D845HV | Product Specification - Page 47
    starting on a 128-byte divisible boundary Description ICH2 (ACPI + TCO) D845HV/D845WN board resource Onboard audio controller ICH2 (USB controller #1) ICH2 (SMBus) Intel 82801BA PCI bridge ICH2 audio mixer ICH2 audio bus mixer ICH2 modem mixer ICH2 (USB controller #2) LPC47M142 * Default, but
  • Intel D845HV | Product Specification - Page 48
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.4 DMA Channels Table 14. DMA Channels DMA Channel Number 0 1 2 3 4 5 6 7 Data Width 8 or 16 bits 8 or 16 bits 8 or 16 bits 8 or 16-bits 8 or 16
  • Intel D845HV | Product Specification - Page 49
    COM2 (Note) 4 COM1 (Note) 5 LPT2 (Plug and Play option) / Audio / User available 6 Diskette drive 7 LPT1 (Note) 8 Real-time clock 9 how the interrupt signals are connected between the PCI bus connectors and onboard PCI devices. The PCI specification specifies how interrupts can be
  • Intel D845HV | Product Specification - Page 50
    Intel Desktop Board D845HV/D845WN Technical Product Specification The ICH2 has eight programmable interrupt request (PIRQ) input signals. All PCI interrupt sources either onboard or from a PCI add-in card connect to one of these PIRQ signals. Some PCI interrupt sources are electrically tied
  • Intel D845HV | Product Specification - Page 51
    Technical Reference 2.8 Connectors CAUTION Only the back panel, the front panel audio, and the front panel USB connectors of the D845HV and D845WN boards have overcurrent protection. The D845HV and D845WN boards' internal connectors are not overcurrent protected and should connect only to devices
  • Intel D845HV | Product Specification - Page 52
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.8.1 Back Panel Connectors Figure 10 shows the location of the back panel connectors. The back panel connectors are color-coded USB port J Mic in (optional) K Audio line out (optional) L Audio line in (optional) H I J KL
  • Intel D845HV | Product Specification - Page 53
    18. PS/2 Mouse/Keyboard Connector Pin Signal Name 1 Data 2 Not connected 3 Ground 4 +5 V (Fused) 5 Clock 6 Not connected Table 19. USB Connectors Pin Signal Name 1 +5 V (Fused) 2 USB# 3 USB 4 Ground Table 20. Parallel Port Connector Pin Standard Signal Name 1 STROBE
  • Intel D845HV | Product Specification - Page 54
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 21. Serial Port A Connector Pin Signal Name 1 DCD (Data Carrier Detect) 2 RXD# (Receive Data) 3 TXD# (Transmit Data) 4 DTR (Data Terminal Ready) 5 Ground 6 DSR (Data Set Ready) 7 RTS (Request to Send) 8 CTS (
  • Intel D845HV | Product Specification - Page 55
    CNR (optional), shared with PCI bus connector 3 (ATX expansion slot 1) on the D845HV board or with PCI bus connector 6 (ATX expansion slot 1) on the D845WN board.  NOTE This document references back-panel slot numbering with respect to processor location on the board. The AGP slot is not numbered
  • Intel D845HV | Product Specification - Page 56
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.8.2.2 Audio Connectors (Optional) Figure 11 shows the location of the audio connectors. AB C 4 1 4 1 Table 28 Figure 11. Audio Connectors  NOTE The front panel audio connector is described in Section 2.8.3, beginning on page 68.
  • Intel D845HV | Product Specification - Page 57
    1 Left auxiliary line in 2 Ground 3 Ground 4 Right auxiliary line in Table 28. ATAPI CD-ROM Connector (Optional) Pin Signal Name 1 Left audio input from CD-ROM 2 CD audio differential ground 3 CD audio differential ground 4 Right audio input from CD-ROM Technical Reference 57
  • Intel D845HV | Product Specification - Page 58
    Desktop Board D845HV/D845WN Technical Product Specification 2.8.2.3 Power and Hardware Control Connectors Figure 12 shows the location of the power and hardware control connectors. A 12 34 B 1 1 C 11 1 20 10 1 D 1 FE Item A B C D E F Description ATX12V power Rear chassis fan Processor
  • Intel D845HV | Product Specification - Page 59
    supplemental power for the Intel Pentium 4 processor. Always connect the 20-pin and 4-pin leads of ATX12V and SFX12V power supplies to the corresponding connectors on the D845HV and D845WN boards, otherwise the board will not boot. Do not use a standard ATX power supply. The board will not boot with
  • Intel D845HV | Product Specification - Page 60
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 32. Main Power Connector Pin Signal Name Pin 1 +3.3 V 11 2 +3.3 Connector Pin Signal Name 1 Intruder 2 Ground Table 34. Front Chassis Fan Connector (Optional) Pin Signal Name 1 Ground 2 +12 V 3 No connect
  • Intel D845HV | Product Specification - Page 61
    All of the PCI bus connectors are bus master capable. • PCI bus connector 1 has SMBus signals routed to it. This enables PCI bus add-in boards with SMBus support to access sensor data on the board. The specific SMBus signals are as follows:  The SMBus clock line is connected to pin A40  The SMBus
  • Intel D845HV | Product Specification - Page 62
    Intel Desktop Board D845HV/D845WN Technical Product Specification Figure 14 shows the location of the add-in board connector and peripheral connectors for the D845WN board. A B C D E F GH 40 2 1 39 40 1 2 1 2 34 1 33 39 L K J I Item A B C D E F G H I J K L Description
  • Intel D845HV | Product Specification - Page 63
    Table 35. CNR Connector Pin Signal Name A1 Reserved A2 Reserved A3 Ground A4 Reserved A5 Reserved A6 Ground A7 LAN_TXD2 A8 LAN_TXD0 A9 Ground A10 LAN_CLK A11 LAN_RXD1
  • Intel D845HV | Product Specification - Page 64
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 36. PCI Bus Connectors Pin Signal Name Pin Signal Name Pin Signal Name A1 Ground (TRST#)* B1 -12 V A32 AD16 A2 +12 V B2 Ground (TCK)* A33 +3.3 V A3 +5 V (TMS)* B3 Ground A34 FRAME# A4 +5 V (TDI)* B4 Not connected (
  • Intel D845HV | Product Specification - Page 65
    Technical Reference Table 37. AGP Connector Pin Signal Name Pin A1 +12 V B1 A2 TYPEDET# B2 A3 Reserved B3 A4 Not connected B4 A5 Ground B5 A6 INTA# B6 A7 RST# B7 A8 GNT1# B8 A9 Vcc3.3 B9 A10 ST1 B10 A11 Reserved B11 A12 PIPE# B12
  • Intel D845HV | Product Specification - Page 66
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 38. Diskette Drive Connector Pin Signal Name 1 Ground 3 Ground 5 Key 7 Ground 9 Ground 11 Ground 13 Ground 15 Ground 17 Not connected 19 Ground 21 Ground 23 Ground 25 Ground 27 Not connected 29
  • Intel D845HV | Product Specification - Page 67
    Technical Reference Table 39. PCI IDE Connectors Pin Signal Name Pin Signal Name 1 Reset IDE 2 Ground 3 Data 7 4 Data 8 5 Data 6 6 names in brackets ([ ]) are for the secondary IDE connector. Table 40. SCSI LED Connector (Optional) Pin Signal Name 1 SCSI_ACT# 2 No connect 67
  • Intel D845HV | Product Specification - Page 68
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.8.3 External I/O Connectors Figure 15 shows the locations of the external I/O connectors. A 12 9 10 7 10 15 2 1 1 16 21 12 8 9 Item A B C D E E DC Description Front panel audio Serial Port B (optional) Auxiliary front panel
  • Intel D845HV | Product Specification - Page 69
    41. Front Panel Audio Connector Pin Signal Name Pin 1 MIC_IN_FP 2 3 MIC_BIAS 4 5 R_FNTOUT 6 7 Not connected 8 9 L_FNT_OUT 10 Signal Name AUD_JACK_GND V_5P0_AUD_ANALOG R_RETIN Not connected L_RETIN  NOTE The front panel audio connector is alternately used as a jumper block for
  • Intel D845HV | Product Specification - Page 70
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.8.3.2 Front Panel Connector This section describes the functions of the front panel connector. Table 45 lists the signal names of the front panel connector. Table 45. Front Panel Connector Pin Signal In/Out Description Pin
  • Intel D845HV | Product Specification - Page 71
    Switch Connector Pins 6 and 8 can be connected to a front panel momentary-contact power switch. The switch must pull the SW_ON# pin to ground for at least 50 ms to signal the power supply to switch on or off. (The time requirement is due to internal debounce circuitry on the D845HV/D845WN board
  • Intel D845HV | Product Specification - Page 72
    changing a jumper setting. Otherwise, the board could be damaged. Figure 16 shows the location of the jumper blocks on the D845HV and D845WN boards. 1 2 3 4 A5 6 7 9 10 1 B 3 Item A B Description Front panel audio connector / jumper block BIOS Setup configuration jumper block OM11435
  • Intel D845HV | Product Specification - Page 73
    the board. Table 48. Front Panel Audio Connector / Jumper Block Jumper Setting 1 2 3 4 5 6 7 9 10 1 2 3 4 5 6 7 9 10 5 and 6 9 and 10 No jumpers installed Configuration Audio line out signals are routed to the back panel audio line out connector. The back panel audio line
  • Intel D845HV | Product Specification - Page 74
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.10 Mechanical Considerations 2.10.1 D845HV Form Factor The D845HV board is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 17 illustrates the mechanical form factor for the D845HV board. Dimensions are
  • Intel D845HV | Product Specification - Page 75
    factor for the D845WN board. Dimensions are given in inches [millimeters]. The outer dimensions are 12.00 inches by 9.60 inches [304.48 millimeters by 243.84 millimeters]. Location of the I/O connectors and mounting holes are in compliance with the ATX specification (see Section 1.4). 6.50 [165
  • Intel D845HV | Product Specification - Page 76
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.10.3 I/O Shield The back panel I/O shield for D845HV and D845WN boards must meet specific dimension and material requirements. Systems based on this board need the back panel I/O shield to pass certification testing. Figure 19
  • Intel D845HV | Product Specification - Page 77
    [11.345] 1.195 [30.360] 1.807 [45.892] 2.079 [52.804] 5.010 [127.250] 5.732 [145.584] Pictorial View OM12353 Figure 20. I/O Shield Dimensions (for boards without the LAN Subsystem) 77
  • Intel D845HV | Product Specification - Page 78
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.11 Electrical Considerations 2.11.1 Power Consumption Table 50 lists voltage and current measurements for a computer that contains the D845HV/D845WN board and the following: • 1.7 GHz Intel Pentium 4 processor with a 256 KB cache
  • Intel D845HV | Product Specification - Page 79
    Current Requirements CAUTION If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the D845HV and D845WN boards may lose register settings stored in memory, etc. Calculate the standby current requirements using the steps
  • Intel D845HV | Product Specification - Page 80
    Intel Desktop Board D845HV/D845WN Technical Product Specification  NOTE IBM PS/2 Port Specification connectors on the D845HV and D845WN boards. Table 52. Fan Connector Current Capability Fan Connector Maximum Available Current Processor fan 1.20 A Front wake devices supported and manufacturing
  • Intel D845HV | Product Specification - Page 81
    with the following recommendations found in the indicated sections of the ATX form factor specification. • The potential relation between 3.3 VDC and +5 VDC see the environmental specifications in Section 2.14. CAUTION Ensure that proper airflow is maintained in the processor voltage regulator
  • Intel D845HV | Product Specification - Page 82
    Intel Desktop Board D845HV/D845WN Technical Product Specification A B C D A Processor voltage regulator area B Processor C Intel 82845 MCH D Intel 82801BA ICH2 Figure 21. Localized High Temperature Zones OM11438 Table 53 provides maximum case temperatures for D845HV/D845WN board components that
  • Intel D845HV | Product Specification - Page 83
    54. D845HV/D845WN Board Environmental Specifications Parameter Specification Temperature Non-Operating -40 °C to +70 °C Operating 0 °C to +55 °C Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches/second Packaged Half sine 2 millisecond Product Weight (pounds) Free
  • Intel D845HV | Product Specification - Page 84
    Intel Desktop Board D845HV/D845WN Technical Product Specification 2.15 Regulatory Compliance This section describes the D845HV and D845WN boards' compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 55 lists the safety
  • Intel D845HV | Product Specification - Page 85
    for Intel desktop boards: E210882 (component side). • FCC Declaration of Conformity logo mark for Class B equipment; to include Intel name and D845HV and overlaid with a check (tick) mark (component side), followed by Intel supplier code number, N-232. The C-tick mark should also be on the shipping
  • Intel D845HV | Product Specification - Page 86
    Intel Desktop Board D845HV/D845WN Technical Product Specification 86
  • Intel D845HV | Product Specification - Page 87
    execute from 64-bit onboard write-protected system memory. The BIOS displays a message during POST identifying the type of BIOS and a revision code. The initial production BIOSs are identified as HV84510A.86A. When the D845HV or D845WN board's jumper is set to configuration mode and the computer is
  • Intel D845HV | Product Specification - Page 88
    Intel Desktop Board D845HV/D845WN Technical Product Specification 3.2 BIOS Flash Memory Organization The Intel 82802AB Firmware Hub (FWH) includes a 4 Mbit (512 KB) symmetrical flash memory device. Internally, the device is grouped into eight 64-KB blocks that are individually erasable, lockable,
  • Intel D845HV | Product Specification - Page 89
    Resource data, such as memory size, cache size, and processor speed • Dynamic data, such as event detection and error logging Non-Plug and Play operating systems, such as Windows NT, require an additional interface for obtaining the SMBIOS information. The BIOS supports an SMBIOS table interface for
  • Intel D845HV | Product Specification - Page 90
    automated updating while in the Windows environment. Using this utility, the BIOS can be updated from a file on a hard disk, a 1.44 MB diskette, or a CD-ROM, or from the file location on the Web. • Intel® Flash Memory Update Utility, which requires creation of a boot diskette and manual rebooting
  • Intel D845HV | Product Specification - Page 91
    series of continuous beeps indicates a failed BIOS recovery. To create a BIOS recovery diskette, a bootable diskette must be created and the BIOS update files copied to it. BIOS upgrades and the Intel Flash Memory Update Utility are available from Intel Customer Support through the Intel World Wide
  • Intel D845HV | Product Specification - Page 92
    Intel Desktop Board D845HV/D845WN Technical Product Specification 3.8 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
  • Intel D845HV | Product Specification - Page 93
    of BIOS Features 3.9.2 Intel Rapid BIOS Boot Use of the following BIOS Setup program settings reduces the POST execution time. In the Boot Menu: • Set the images and changing video modes. • Enabled Intel Rapid BIOS Boot. This feature bypasses memory count and the search for a diskette drive
  • Intel D845HV | Product Specification - Page 94
    Intel Desktop Board D845HV/D845WN Technical Product Specification 3.10 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
  • Intel D845HV | Product Specification - Page 95
    Boot Menu ...113 4.8 Exit Menu ...117 4.1 Introduction The BIOS Setup program can be used to view and change the BIOS settings for the computer. The BIOS Setup program is accessed by pressing the key after the Power-On Self-Test (POST) memory test begins and before the operating system boot
  • Intel D845HV | Product Specification - Page 96
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 59 lists the function keys available for menu screens. Table 59. BIOS Setup Program Function Keys BIOS Setup Program Function Key or or Description Selects a different menu screen (
  • Intel D845HV | Product Specification - Page 97
    . Cache lookups are not performed. Both the video driver and the application must support Write Combining. Selects UnCacheable (UC) video memory cache mode. This setting identifies the video memory range as uncacheable by the processor. Memory writes are performed in program order. Cache lookups are
  • Intel D845HV | Product Specification - Page 98
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.3 Main Menu To access this menu, select Main on the menu bar at the top of the screen. Maintenance Main Advanced Security Power Boot Exit Table 62 describes the Main menu. This menu reports processor and memory information and
  • Intel D845HV | Product Specification - Page 99
    BIOS Setup Program 4.4 Advanced Menu the Advanced Menu. This menu is used for setting advanced features that are available through the chipset. Table Configures peripheral ports and devices. Specifies type of connected IDE devices. Configures the diskette drive. Configures Event Logging. Configures
  • Intel D845HV | Product Specification - Page 100
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.4.1 PCI Configuration Submenu To access this No options Displays the IRQ for PCI bus connector 6. This IRQ will be the same as the setting selected for PCI bus connector 4. (PCI bus connectors 4 and 6 share the same interrupt.)
  • Intel D845HV | Product Specification - Page 101
    On (default) Description Specifies if manual configuration is desired. No lets the BIOS configure all devices. This setting is appropriate when using a Plug configuration data stored in flash memory on the next boot. Yes clears the PCI/PnP configuration data stored in flash memory on the next boot.
  • Intel D845HV | Product Specification - Page 102
    Intel Desktop Board D845HV/D845WN Technical Product Specification port B. • Enabled Auto assigns the first free COM port, normally COM 2, the • front panel connector (IrDA SIR-A or ASK_IR option). Base I/O address • 2F8 (default) (This feature is displayed • 3E8 only if Serial Port B is set
  • Intel D845HV | Product Specification - Page 103
    set to ECP) • 1 • 3 (default) Specifies the DMA channel. Audio Device • Disabled • Enabled (default) Enables or disables the onboard audio subsystem. For boards with no onboard audio only when a CNR card with a modem is installed. Legacy USB Support • Disabled Enables or disables Legacy USB
  • Intel D845HV | Product Specification - Page 104
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.4.4 IDE Configuration Submenu To access this drive BIOS INT13 reads and writes. Specifies the hard disk drive pre-delay. Reports type of connected IDE device. Reports type of connected IDE device. Reports type of connected IDE
  • Intel D845HV | Product Specification - Page 105
    BIOS Setup Program 4.4.4.1 Primary/Secondary IDE Master/Slave Submenus To access these submenus, select Advanced on the the drive. Specifies number of sectors per block for transfers from the hard disk drive to memory. Check the hard disk drive's specifications for optimum setting. continued 105
  • Intel D845HV | Product Specification - Page 106
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 68. Primary/Secondary IDE Master/Slave Submenus (continued) Feature PIO Mode Ultra DMA Cable Detected Options • Auto (default) • 0 • 1 • 2 • 3 • 4 • Disabled (default) • Mode 0 • Mode 1 • Mode 2 • Mode 3 •
  • Intel D845HV | Product Specification - Page 107
    BIOS Setup Program 4.4.5 Diskette Configuration Submenu To access this menu, select Advanced on the menu bar and then Diskette Configuration. Maintenance Main Advanced Security Power PCI
  • Intel D845HV | Product Specification - Page 108
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.4.6 Event Log Configuration Submenu To access this menu, select Advanced on the menu bar and then Event Log Configuration. Maintenance Main Advanced Security Power PCI
  • Intel D845HV | Product Specification - Page 109
    BIOS Setup Program 4.4.7 Video Configuration Submenu To access this menu, select Advanced on Primary Video Adapter Options • 64 MB (default) • 256 MB • AGP (default) • PCI Description Sets the aperture size for the AGP video controller. Selects primary video adapter to be used during boot. 109
  • Intel D845HV | Product Specification - Page 110
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.5 Security Menu To access this menu, select Security from the menu bar at the top of the screen. Maintenance Main Advanced Security Power Boot The menu represented by Table 72 is for setting passwords and security features.
  • Intel D845HV | Product Specification - Page 111
    BIOS Setup Program 4.6 Power Menu To access this menu, select Power from the menu bar at the top of the screen. Maintenance Main Advanced Security Power ACPI Boot Exit The menu represented in Table 73 is for setting the power management features. Table 73. Power Menu Feature ACPI After
  • Intel D845HV | Product Specification - Page 112
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.6.1 ACPI Submenu To access this menu, select Power from the menu bar at the top of the screen and then ACPI. Maintenance Main Advanced Security Power ACPI Boot Exit The submenu represented in Table 74 is for setting the ACPI
  • Intel D845HV | Product Specification - Page 113
    is used to set the boot features and the boot sequence. Table 75. Boot Menu Feature Quiet Boot Intel Rapid BIOS Boot Scan User Flash Area Boot Device computer to boot without running certain POST tests. Enables the BIOS to scan the flash memory for user binary files that are executed at boot time.
  • Intel D845HV | Product Specification - Page 114
    Intel Desktop Board D845HV/D845WN Technical Product Specification 4.7.1 Boot Device Priority Submenu To access this Removable Devices ATAPI CD-ROM Drives The submenu represented in Table 76 is for setting boot devices priority. Table 76. Boot Device Priority Submenu Feature 1st Boot Device
  • Intel D845HV | Product Specification - Page 115
    1. Select the boot device with or . 2. Press to set the selection as the intended boot device. Note: This boot device submenu appears hard disk drives, the maximum number of hard disk drives supported by the BIOS. 4.7.3 Removable Devices Submenu To access this menu, select Boot
  • Intel D845HV | Product Specification - Page 116
    Intel Desktop Board D845HV/D845WN Technical Product Specification Drives The submenu represented in Table 79 is for setting ATAPI CD-ROM drive priority. Table 79. ATAPI the boot device with or . 2. Press to set the selection as the intended boot device. Note: This boot device
  • Intel D845HV | Product Specification - Page 117
    Defaults Saves the current values as custom defaults. Normally, the BIOS reads the Setup values from flash memory. If this memory is corrupted, the BIOS reads the custom defaults. If no custom defaults are set, the BIOS reads the factory defaults. Discard Changes Discards changes without exiting
  • Intel D845HV | Product Specification - Page 118
    Intel Desktop Board D845HV/D845WN Technical Product Specification 118
  • Intel D845HV | Product Specification - Page 119
    5 Error Messages and Beep Codes What This Chapter Contains 5.1 BIOS Error Messages 119 5.2 Port 80h POST Codes 121 5.3 Bus Initialization Checkpoints 125 5.4 Speaker (Optional 126 5.5 BIOS Beep Codes ...126 5.1 BIOS Error Messages Table 81 lists the error messages and provides a brief
  • Intel D845HV | Product Specification - Page 120
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 81. BIOS Error Messages (continued) Error Message Checking NVRAM..... Update OK! Updated Failed Keyboard Error KB/Interface Error Memory Size Decreased Memory Size Increased Memory Size Changed No Boot Device Available
  • Intel D845HV | Product Specification - Page 121
    PCI bus connector 1. The tables below offer descriptions of the POST codes generated by the BIOS. Table 82 defines the uncompressed INIT code checkpoints, Table 83 describes the boot block recovery code checkpoints, and Table 84 lists the runtime code uncompressed in F000 shadow RAM. Some codes are
  • Intel D845HV | Product Specification - Page 122
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 84. Runtime Code Uncompressed in F000 Shadow RAM Code 03 05 06 07 08 0B 0C 0E 0F 10 11 12 13 14 19 Description of POST Operation NMI is Disabled. To check soft reset/power-on. BIOS stack set. Going to disable cache if any.
  • Intel D845HV | Product Specification - Page 123
    Error Messages and Beep Codes Table 84. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code 40 42 43 44 45 46 47 48 49 4B 4C 4D Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory test. To enable interrupts for diagnostics mode. To
  • Intel D845HV | Product Specification - Page 124
    Intel Desktop Board D845HV/D845WN Technical Product Specification Table 84. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code . Going to set keyboard typematic rate. Keyboard typematic rate set. To program memory wait states. multiprocessor support (if present). Put CGA INT10 module
  • Intel D845HV | Product Specification - Page 125
    Beep Codes Table 84. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code AE B1 00 Description of POST Operation Uncompress SMBIOS module and init SMBIOS code and form the runtime SMBIOS image in shadow. Going to copy any code to specific area. Copying of code to specific BIOS checkpoint
  • Intel D845HV | Product Specification - Page 126
    the D845HV board The location of the onboard speaker on the D845WN board Refer to Figure 1, page 14 Figure 2, page 15 5.5 BIOS Beep Codes Whenever a recoverable error occurs during POST, the BIOS displays an error message describing the problem (see Table 88). The BIOS also issues a beep code (one
  • Intel D845HV | Product Specification - Page 127
    Error Messages and Beep Codes If POST completes normally, the BIOS issues one short beep before passing control to the operating system. Table 88. Beep Codes Beep Description 1 Refresh failure 2 Parity cannot be reset 3 First 64 KB memory failure 4 Timer not operational 5 Not used 6
  • Intel D845HV | Product Specification - Page 128
    Intel Desktop Board D845HV/D845WN Technical Product Specification 128
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Intel
®
Desktop Board
D845HV/D845WN
Technical Product Specification
August 2001
Order Number:
A65136-001
The Intel
®
Desktop Boards D845HV/D845WN 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 D845HV/D845WN Specification Update.