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Technical Product Specification 
for Intel

®

 Desktop Boards  

using the Intel

®

 845G Chipset 

April 2002 

Order Number:  A81229-001

 

Intel

®

 Desktop Boards using the Intel

® 

 845G Chipset 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 Specification Update for Intel Desktop Boards using the Intel 845G Chipset.

 

Summary of Contents for D845GBV

Page 1: ...r A81229 001 Intel Desktop Boards using the Intel 845G Chipset 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 Specification Update for Intel Desktop Boards using the Intel 845G Chipset ...

Page 2: ...ny license express or implied by estoppel or otherwise to any such patents trademarks copyrights or other intellectual property rights Intel products are not intended for use in medical life saving or life sustaining applications or for any other application in which the failure of the Intel product could create a situation where personal injury or death may occur Intel may make changes to specifi...

Page 3: ...escription 1 A description of the hardware used on these Intel Desktop boards 2 A description of the resources of the Desktop Boards 3 An overview of the BIOS Setup program 4 The contents of the BIOS Setup program s menus and submenus 5 A description of the BIOS error messages beep codes and POST codes Typographical Conventions This section contains information about the conventions used in this s...

Page 4: ...onent type xn are the relative coordinates of its location on the Desktop 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 the 5J area GB Gigabyte 1 073 741 824 bytes GB sec Gigabytes per second KB Kilobyte 1024 bytes Kbit Kilobit 1024 bits kbits sec 1000 bits per second MB Megabyte 1 048 576 byt...

Page 5: ...use Interface 28 1 9 Audio Subsystem 28 1 9 1 Audio Connectors 29 1 9 2 Audio Subsystem Software 29 1 10 LAN Subsystem 30 1 10 1 Intel 82562ET Platform LAN Connect Device 30 1 10 2 RJ 45 LAN Connector with Integrated LEDs 30 1 10 3 LAN Subsystem Software 31 1 11 CNR 31 1 12 Hardware Management Subsystem 32 1 12 1 Hardware Monitoring ASICs 32 1 12 2 Fan Monitoring 33 1 12 3 Chassis Intrusion and De...

Page 6: ... Rapid BIOS Boot 54 3 9 1 Peripheral Selection and Configuration 54 3 9 2 Intel Rapid BIOS Boot 55 3 10 BIOS Security Features 55 4 BIOS Setup Program 4 1 Introduction 57 4 2 Maintenance Menu 58 4 3 Main Menu 59 4 4 Advanced Menu 60 4 4 1 PCI Configuration Submenu 61 4 4 2 Boot Configuration Submenu 63 4 4 3 Peripheral Configuration Submenu 64 4 4 4 IDE Configuration Submenu 66 4 4 5 Diskette Conf...

Page 7: ...ake up Devices and Events 36 13 Fan Connector Function Operation for Desktop Boards with a Hardware Monitoring ASIC 37 14 Fan Connector Function Operation for Desktop Boards with a Hardware Monitoring and Fan Control ASIC 38 15 System Memory Map 41 16 Fixed I O Map 42 17 DMA Channels 43 18 PCI Configuration Space Map 43 19 Interrupts 44 20 PCI Interrupt Routing Map 46 21 Desktop Board Environmenta...

Page 8: ...0 Power Menu 76 41 ACPI Submenu 76 42 Boot Menu 77 43 Boot Device Priority Submenu 78 44 Hard Disk Drives Submenu 79 45 Removable Devices Submenu 79 46 ATAPI CD ROM Drives Submenu 80 47 Exit Menu 80 48 BIOS Error Messages 81 49 Uncompressed INIT Code Checkpoints 83 50 Boot Block Recovery Code Checkpoints 83 51 Runtime Code Uncompressed in F000 Shadow RAM 84 52 Bus Initialization Checkpoints 87 53 ...

Page 9: ...oards using the Intel 845G Chipset have been designed to support DIMMs based on 512 Mbit technology for a maximum onboard capacity of up to 2 GB but this technology has not been validated Chipset Intel 845G Chipset consisting of Intel 82845G Graphics and Memory Controller Hub GMCH Intel 82801DB I O Controller Hub ICH4 4 Mbit Firmware Hub FWH Audio 3 Audio subsystem for AC 97 processing using the A...

Page 10: ...ivity Fan speed control Chassis intrusion detection Hardware management ASIC CNR 5 One Communication and Networking Riser CNR connector LAN5 Intel 82562ET 10 100 Mbit sec Platform LAN Connect PLC device Instantly Available PC Technology Support for PCI Local Bus 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 Ref...

Page 11: ... Mouse Parallel Port Serial Port UDMA 33 and ATA 66 100 LPC Bus Hardware Management ASIC OM13570 AD1981A Audio Codec Auxiliary Line In Mic In Line Out CD ROM Line In CNR Connector LAN Connector Physical Layer Interface CSMA CD Unit Interface DIMM Banks 2 AGP Interface 4X AGP Connector 1 5 V only connector or socket PCI Bus SMBus AC Link Back Panel Front Panel USB Ports USB VGA Port Display Interfa...

Page 12: ...sh screens http intel com design motherbd gen_indx htm Audio software and utilities http www intel com design motherbd LAN software and drivers http www intel com design motherbd 1 3 Operating System Support The Desktop Boards described in this document support drivers for all of the onboard hardware and subsystems under the following operating systems Microsoft Windows 98 SE Windows ME Windows NT...

Page 13: ...ends Inc http www ami com support doc amibiosdesktop pdf ATA ATAPI 5 Information Technology AT Attachment with Packet Interface 5 ATA ATAPI 5 Revision 3 February 29 2000 Contact T13 Chair Seagate Technology http www t13 org ATX ATX Specification Version 2 03 December 1998 Intel Corporation http www formfactors org developer specs atx atxspecs htm ATX12V Power Supply ATX ATX12V Power Supply Design ...

Page 14: ... 2002 Intel Corporation http developer intel com technology usb download ehci r10 pdf EPP IEEE Std 1284 1 1997 Enhanced Parallel Port Version 1 7 1997 Institute of Electrical and Electronic Engineers http standards ieee org reading ieee std_public description busarch 1284 1 1997_desc html El Torito Bootable CD ROM Format Specification Version 1 0 January 25 1995 Phoenix Technologies Limited and In...

Page 15: ...1 0 February 1998 Intel Corporation http www intel com technology memory PC SDRAM Specification Revision 1 7 November 1999 Intel Corporation http www intel com technology memory SDRAM 8 PC Serial Presence Detect SPD Specification Revision 1 2B November 1999 Intel Corporation http www intel com technology memory SFX12V Power Supply SFX SFX12V Power Supply Design Guide Revision 2 0 May 2001 Intel Co...

Page 16: ... Revision 1 1 September 23 1998 Compaq Computer Corporation Intel Corporation Microsoft Corporation and NEC Corporation http www usb org developers docs html USB Universal Serial Bus Specification Revision 2 0 April 27 2000 Compaq Computer Corporation Hewlett Packard Company Lucent Technologies Inc Intel Corporation Microsoft Corporation NEC Corporation and Koninklijke Philips Electronics N V http...

Page 17: ...ata sheet for cachability limits INTEGRATOR S NOTES Use only ATX12V or SFX12V compliant power supplies with these Desktop Boards ATX12V and SFX12V power supplies have an additional power lead that provides required supplemental power for the processor Always connect the 20 pin and 4 pin leads of ATX12V and SFX12V power supplies to the corresponding connectors on the Desktop Boards otherwise the bo...

Page 18: ...e AGP video card before installing or upgrading memory to avoid interference with the memory retention mechanism These Desktop Boards have been designed to support DIMMs based on 512 Mbit technology for a maximum onboard capacity of up to 2 GB but this technology has not been validated on this board NOTE To be fully compliant with all applicable DDR SDRAM and PC133 SDRAM memory specifications the ...

Page 19: ...modules containing DDR SDRAM devices on only one side Table 4 lists the supported SDR DIMM configurations Table 4 Supported SDR DIMM Configurations DIMM Capacity Configuration Note SDR SDRAM Density SDR SDRAM Organization Front side Back side Number of SDR SDRAM devices 32 MB SS 64 Mbit 4 M x 16 empty 4 64 MB DS 64 Mbit 4 M x 16 4 M x 16 8 64 MB SS 64 Mbit 8 M x 8 empty 8 64 MB SS 128 Mbit 8 M x 1...

Page 20: ...s two separate mutually exclusive graphics options Either the Intel Extreme Graphics controller contained within the 82845G GMCH is used or an AGP add in card can be used When an AGP add in card is installed the Intel Extreme Graphics controller is disabled 1 7 1 1 Intel Extreme Graphics Controller The Intel Extreme Graphics controller features the following Integrated graphics controller 32 bpp B...

Page 21: ... available resolutions are tested using the highest available color depth and monitor refresh rate Table 5 lists the Direct Draw supported modes Table 5 Direct Draw Supported Modes Resolution Color Palette Refresh Frequency Hz Notes 256 colors 70 Y 64 K colors 70 3 320 x 200 16 M colors 70 3 256 colors 70 Y 64 K colors 70 3 320 x 240 16 M colors 70 3 256 colors 70 Y 64 K colors 70 3 352 x 480 16 M...

Page 22: ...B L 64 K colors 60 75 85 G B L 640 x 480 16 M colors 60 75 85 G B L 720 x 400 16 colors 70 T B 256 colors 60 75 85 G B L 64 K colors 60 75 85 G B L 800 x 600 16 M colors 60 75 85 G B L 256 colors 60 75 85 G B L 64 K colors 60 75 85 G B L 1024 x 768 16 M colors 60 75 85 G B L 1056 x 350 16 colors 70 T B 1056 x 400 16 colors 70 T B 1056 x 480 16 colors 70 T B 256 colors 60 75 85 G B L 64 K colors 60...

Page 23: ... 85 100 120 6 1024 x 768 60 70 75 85 100 6 1024 x 768 120 5 1152 x 864 60 75 85 6 1152 x 864 100 5 1280 x 720 60 75 85 6 1280 x 720 100 5 1280 x 768 Reduced blanking 6 1280 x 960 60 75 6 1280 x 960 85 5 1280 x 1024 60 6 1280 x 1024 75 5 1280 x 1024 85 100 4 1280 x 1024 120 3 1400 x 1050 60 6 1600 x 900 60 6 1600 x 900 75 85 4 1600 x 900 100 3 1600 x 1200 60 4 1600 x 1200 75 85 100 3 1856 x 1392 60...

Page 24: ...emory performance through Direct AGP and highly efficient memory utilization DVMT ensures the most efficient use of available system memory up to 64 MB for maximum 2 D 3 D graphics performance DVMT uses a portion of system physical memory as set in the BIOS Setup program for compatibility with legacy applications An example of this would be when using VGA graphics under DOS Once loaded the operati...

Page 25: ...nically compatible with legacy 3 3 V AGP cards 1 7 1 5 AGP Digital Display ADD Card Support The GMCH routes two 12 bit multiplexed DVO ports that are each capable of driving a 165 MHz pixel clock to the AGP connector The DVO ports can be paired for dual channel mode In dual channel mode the GMCH is capable of driving a 24 bit 330 MHz pixel clock When an AGP add in card is used the Intel Extreme Gr...

Page 26: ...operating system 1 7 3 IDE Support 1 7 3 1 IDE Interfaces The ICH4 s IDE controller has two independent bus mastering IDE interfaces that can be independently enabled The IDE interfaces support the following modes Programmed I O PIO processor controls data transfer 8237 style DMA DMA offloads the processor supporting transfer rates of up to 16 MB sec Ultra DMA DMA protocol on IDE bus supporting ho...

Page 27: ...he battery has an estimated life of three years When the computer is plugged in the standby current from the power supply extends the life of the battery The clock is accurate to 13 minutes year at 25 ºC with 3 3 VSB applied INTEGRATOR S NOTE If the battery and AC power fail custom defaults if previously saved will be loaded into CMOS RAM at power on 1 8 I O Controller The I O controller SMSC LPC4...

Page 28: ...on the back panel INTEGRATOR S NOTE The keyboard is supported in the bottom PS 2 connector and the mouse is supported in the top PS 2 connector Power to the computer should be turned off before a keyboard or mouse is connected or disconnected 1 9 Audio Subsystem The audio subsystem consists of the following devices Intel 82801DB I O Controller Hub ICH4 Analog Devices AD1981A audio codec The audio ...

Page 29: ... 1 9 1 2 Auxiliary Line In Connector A 1 x 4 pin ATAPI style connector connects the left and right channel signals of an internal audio device to the audio subsystem 1 9 1 3 ATAPI CD ROM Audio Connector A 1 x 4 pin ATAPI style connector connects an internal ATAPI CD ROM drive to the audio mixer 1 9 2 Audio Subsystem Software Audio software and drivers are available from Intel s World Wide Web site...

Page 30: ... 82562ET provides the following functions Basic 10 100 Ethernet LAN connectivity Supports RJ 45 connector with status indicator LEDs on the back panel Full device driver compatibility ACPI support Programmable transit threshold EEPROM that contains the MAC address 1 10 2 RJ 45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ 45 LAN connector Table 9 describes the LED states when t...

Page 31: ...ng a CNR audio upgrade card in a slave configuration CNR audio upgrade cards are available in multiple configurations from several vendors supporting analog or S P DIF digital connections For information about Refer to CNR audio upgrade cards http developer intel com technology cnr INTEGRATOR S NOTES If you install a CNR card that cannot support a multichannel audio upgrade the Desktop Boards inte...

Page 32: ...lowing 15 A hardware monitoring ASIC A hardware monitoring and fan control ASIC The features of these components are described in this section 1 12 1 1 Hardware Monitoring ASIC The features of the hardware monitoring ASIC Analog Devices ADM1025 Philips Semiconductor NE1619 or equivalent include Internal ambient temperature sensor Remote thermal diode sensor for direct monitoring of processor tempe...

Page 33: ...rd Microsystems SMSC EMC6D101 http www smsc com 1 12 2 Fan Monitoring Fan monitoring can be implemented using Intel Active Monitor Intel LANDesk Client Manager or third party software The level of fan monitoring and control is dependent on the hardware monitoring ASIC used 16 with the Desktop Board For information about Refer to The functions of the fan connectors Section 1 13 2 2 page 37 1 12 3 C...

Page 34: ...ves Methods for achieving less than 15 watt system operation in the power on standby sleeping state A Soft off feature that enables the operating system to power off the computer Support for multiple wake up events see Table 12 on page 36 Support for a front panel power and sleep mode switch Table 10 lists the system states based on how long the power switch is pressed depending on how ACPI is con...

Page 35: ... Note 1 G0 working state S0 working C0 working D0 working state Full power 30 W G1 sleeping state S1 Processor stopped C1 stop grant D1 D2 D3 device specification specific 5 W power 52 5 W G1 sleeping state S3 Suspend to RAM Context saved to RAM No power D3 no power except for wake up logic Power 5 W Note 2 G1 sleeping state S4 Suspend to disk Context saved to disk No power D3 no power except for ...

Page 36: ...TE The use of these wake up events from an ACPI state requires an operating system that provides full ACPI support In addition software drivers and peripherals must fully support ACPI wake events 1 13 2 Hardware Support CAUTION Ensure that the power supply provides adequate 5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used Failure to do so can dam...

Page 37: ...e set using the Last Power State feature in the BIOS Setup program s Boot menu For information about Refer to The ATX specification Section 1 4 page 13 1 13 2 2 Fan Connectors Table 13 summarizes the function operation of the fan connectors for boards with a hardware monitoring ASIC 18 Table 13 Fan Connector Function Operation for Desktop Boards with a Hardware Monitoring ASIC Connector Descriptio...

Page 38: ... system or chassis fan Fan is on in the S0 or S1 state Fan is off when the system is off or in the S3 S4 or S5 state Wired to a fan tachometer input of the hardware monitoring and fan control ASIC Closed loop fan control that can adjust the fan speed or switch the fans on or off as needed 1 13 2 3 LAN Wake Capabilities CAUTION For LAN wake capabilities the 5 V standby line for the power supply mus...

Page 39: ...cation can participate in power management and can be used to wake the computer The use of Instantly Available PC technology requires operating system support and PCI 2 2 compliant add in cards and drivers 1 13 2 5 5 V Standby Power Indicator LED The 5 V standby power indicator LED 21 shows that power is still present even when the computer appears to be off CAUTION If AC power has been switched o...

Page 40: ... or S3 states NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB 1 13 2 8 Wake from PS 2 Devices PS 2 device activity wakes the computer from ACPI S1 or S3 states 1 13 2 9 PME Signal Wake up Support When the PME signal on the PCI bus is asserted the computer wakes from ACPI S1 S3 S4 or S5 states with Wake on PME enabled in BIOS ...

Page 41: ... section headings 2 2 Memory Map Table 15 System Memory Map Address Range decimal Address Range hex Size Description 1024 K 2097152 K 100000 7FFFFFFF 2047 MB Extended memory 960 K 1024 K F0000 FFFFF 64 KB Runtime BIOS 896 K 960 K E0000 EFFFF 64 KB Reserved 800 K 896 K C8000 DFFFF 96 KB Available high DOS memory open to the PCI bus 640 K 800 K A0000 C7FFF 160 KB Video memory and BIOS 639 K 640 K 9F...

Page 42: ...CH 03E8 03EF 8 bytes COM3 03F0 03F5 6 bytes Diskette channel 1 03F6 1 byte Primary IDE channel command port 03F8 03FF 8 bytes COM1 04D0 04D1 2 bytes Edge level triggered PIC LPTn 400 8 bytes ECP port LPTn base address 400h 0CF8 0CFB Note 2 4 bytes PCI configuration address register 0CF9 Note 3 1 byte Turbo and reset control register 0CFC 0CFF 4 bytes PCI configuration data register FFA0 FFA7 8 byt...

Page 43: ...ller 00 1E 00 Hub link to PCI bridge 00 1F 00 Intel 82801DB ICH4 PCI to LPC bridge 00 1F 01 IDE controller 00 1F 03 SMBus controller 00 1F 05 AC 97 audio controller 00 1F 06 AC 97 modem controller optional 00 1D 00 USB UHCI controller 1 00 1D 01 USB UHCI controller 2 00 1D 02 USB UHCI controller 3 00 1D 07 EHCI controller 01 1D 00 AGP add in card Note 1 08 00 LAN controller optional Note 1 00 00 P...

Page 44: ...te 1 4 COM1 Note 1 5 LPT2 Plug and Play option User available 6 Diskette drive 7 LPT1 Note 1 8 Real time clock 9 Reserved for ICH4 system management bus 10 User available 11 User available 12 Onboard mouse port if present else user available 13 Reserved math coprocessor 14 Primary IDE if present else user available 15 Secondary IDE if present else user available 16 Note 2 USB UHCI controller 1 thr...

Page 45: ...equire more than one interrupt the first interrupt on the card is also classified as INTA INTB Generally the second interrupt on add in cards that require two or more interrupts is classified as INTB This is not an absolute requirement INTC and INTD Generally a third interrupt on add in cards is classified as INTC and a fourth interrupt is classified as INTD The ICH4 has eight Programmable Interru...

Page 46: ...s connector 2 INTC INTB INTA INTD PCI bus connector 3 INTD INTC INTA INTB PCI bus connector 4 Note INTB INTA INTC INTD PCI bus connector 5 Note INTC INTA INTD INTB PCI bus connector 6 Note INTA INTB INTD INTC Note For Desktop Boards with six PCI bus connectors NOTE In PIC mode the ICH4 can connect each PIRQ line internally to one of the IRQ signals 3 4 5 6 7 9 10 11 12 14 and 15 Typically a device...

Page 47: ... 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 Fall inches Velocity Change inches sec 20 36 167 21 40 30 152 41 80 24 136 81 100 18 118 Vibration Unpackaged 5 Hz to 20 Hz 0 01 g Hz sloping up to 0 02 g Hz 20 Hz to 500 Hz 0 02 g Hz flat Packaged 10 Hz to 40 Hz 0 015 g Hz flat 40 Hz to 500 Hz 0 ...

Page 48: ...Technical Product Specification for Intel Desktop Boards using the Intel 845G Chipset 48 ...

Page 49: ...irmware 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 and unlockable 3 3 Resource Configuration 3 3 1 PCI Autoconfiguration The BIOS can automatically configure PCI devices PCI devices may be onboard or add in cards Autoconfiguration lets a user insert or remove PCI cards without hav...

Page 50: ...rives using slower IDE transfer protocols If an ATA 66 100 disk drive and a disk drive using any other IDE transfer protocol are attached to the same cable the maximum transfer rate between the drives is reduced to that of the slowest device NOTE Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master device For example do not connect an ATA hard drive as a slave to an ATA...

Page 51: ... follows 1 When you apply power to the computer legacy support is disabled 2 POST begins 3 Legacy USB support is enabled by the BIOS allowing you to use a USB keyboard to enter and configure the BIOS Setup program and the maintenance menu 4 POST completes 5 The operating system loads While the operating system is loading USB keyboards and mice are recognized and may be used to configure the operat...

Page 52: ...ss is fault tolerant to prevent boot block corruption Updating the BIOS boot block separately Changing the language section of the BIOS Updating replaceable BIOS modules such as the video BIOS module Inserting a custom splash screen NOTE Review the instructions distributed with the upgrade utility before attempting a BIOS update For information about Refer to The Intel World Wide Web site Section ...

Page 53: ...ble from Intel Customer Support through the Intel World Wide Web site NOTE Even if the computer is configured to boot from an LS 120 diskette in the Setup program s Removable Devices submenu the BIOS recovery diskette must be a standard 1 44 MB diskette not a 120 MB diskette For information about Refer to The Boot menu in the BIOS Setup program Section 4 7 page 77 Contacting Intel customer support...

Page 54: ...ce menu options Table 22 Boot Device Menu Options Boot Device Menu Function Keys Description or Selects a default boot device Enter Exits the menu saves changes and boots from the selected device Esc Exits the menu without saving changes 3 9 Fast Booting Systems with Intel Rapid BIOS Boot These factors affect system boot speed Selecting and configuring peripherals properly Using an optimized BIOS ...

Page 55: ...ur it is possible to introduce a programmable delay ranging from three to 30 seconds using the Hard Disk Pre Delay feature of the Advanced Menu in the IDE Configuration Submenu of the BIOS Setup program For information about Refer to IDE Configuration Submenu in the BIOS Setup program Section 4 4 4 page 66 3 10 BIOS Security Features The BIOS includes security features that restrict access to the ...

Page 56: ...Password Set Supervisor Mode User Mode Setup Options Password to Enter Setup Password During Boot Neither Can change all options Note Can change all options Note None None None Supervisor only Can change all options Can change a limited number of options Supervisor Password Supervisor None User only N A Can change all options Enter Password Clear User Password User User Supervisor and user set Can...

Page 57: ...ecurity features Configures power management features Selects boot options and power supply controls Saves or discards changes to Setup program options For information about Refer to Boot Integrity Services BIS Section 1 4 page 13 NOTE In this chapter all examples of the BIOS Setup program menu bar include the maintenance menu however the maintenance menu is displayed only when the Desktop Board i...

Page 58: ...sswords and enabling extended configuration mode Setup only displays this menu in configuration mode Table 26 Maintenance Menu Feature Options Description Clear All Passwords Ok default Cancel Clears the user and supervisor passwords Clear BIS Credentials Ok default Cancel Clears the Wired for Management Boot Integrity Service BIS credentials CPU Stepping Signature No options Displays CPU s Steppi...

Page 59: ...ns Displays processor type Processor Speed No options Displays processor speed System Bus Speed No options Displays the system bus speed System Memory Speed No options Displays the system memory speed Cache RAM No options Displays the size of second level cache Total Memory No options Displays the total amount of RAM Memory Bank 0 Memory Bank 1 No options Displays the amount and type of RAM in the...

Page 60: ...tions Description PCI Configuration Select to display submenu Configures individual PCI slot s IRQ priority Boot Configuration Select to display submenu Configures Plug and Play and the Numlock key and resets configuration data Peripheral Configuration Select to display submenu Configures peripheral ports and devices IDE Configuration Select to display submenu Specifies type of connected IDE devic...

Page 61: ...n Table 29 is used to configure the IRQ priority of PCI slots individually Table 29 PCI Configuration Submenu Feature Options Description PCI Slot1 IRQ Priority Note 1 Auto default 5 9 10 11 Allows selection of IRQ priority for PCI bus connector 1 PCI Slot2 IRQ Priority Note 1 Auto default 5 9 10 11 Allows selection of IRQ priority for PCI bus connector 2 PCI Slot3 IRQ Priority Note 1 Auto default...

Page 62: ...ote 2 Auto default 5 9 10 11 Allows selection of IRQ priority for PCI bus connector 5 PCI Slot6 IRQ Priority Note 1 Note 2 Auto default 5 9 10 11 Allows selection of IRQ priority for PCI bus connector 6 Notes 1 Additional interrupts may be available if certain onboard devices such as the serial and parallel ports are disabled 2 Not present on Desktop Boards with only three PCI bus connectors ...

Page 63: ...s for setting Plug and Play options resetting configuration data and the power on state of the Numlock key Table 30 Boot Configuration Submenu Feature Options Description Plug Play O S No default Yes Specifies if manual configuration is desired No lets the BIOS configure all devices This setting is appropriate when using a Plug and Play operating system Yes lets the operating system configure Plug...

Page 64: ... to an address indicates a conflict with another device Base I O address This feature is present only when Serial Port A is set to Enabled 3F8 default 2F8 3E8 2E8 Specifies the base I O address for serial port A if serial port A is Enabled Interrupt This feature is present only when Serial Port A is set to Enabled IRQ 3 IRQ 4 default Specifies the interrupt for serial port A if serial port A is En...

Page 65: ...rallel Port is set to Enabled IRQ 5 IRQ 7 default Specifies the interrupt for the parallel port DMA This feature is present only when Parallel Port Mode is set to ECP 1 3 default Specifies the DMA channel Audio Enabled default Disabled Enables or disables the onboard audio subsystem For boards with no onboard audio subsystem this option does not appear LAN Device Disabled Enabled default Enables o...

Page 66: ...mary Secondary Both default Specifies the integrated IDE controller Primary enables only the primary IDE controller Secondary enables only the secondary IDE controller Both enables both IDE controllers PCI IDE Bus Master Disabled Enabled default Enables disables the use of DMA for hard drive BIOS INT13 reads and writes Hard Disk Pre Delay Disabled default 3 Seconds 6 Seconds 9 Seconds 12 Seconds 1...

Page 67: ...and secondary slave Table 33 shows the format of the IDE submenus For brevity only one example is shown Table 33 Primary Secondary IDE Master Slave Submenus Feature Options Description Drive Installed No options Displays the type of drive installed Type Auto default User Specifies the IDE configuration mode for IDE devices User allows capabilities to be changed Auto fills in capabilities from ATA ...

Page 68: ... UDMA3 UDMA4 UDMA5 Specifies the DMA mode for the drive Auto Auto detected SWDMAn Single Word DMAn SWDMAn Multi Word DMAn UDMAn Ultra DMAn Cable Detected No options Displays the type of cable connected to the IDE interface 40 conductor or 80 conductor for ATA 100 peripherals Note If an LS 120 drive is attached to the system a row entitled ARMD Emulation Type will be displayed in the above table Th...

Page 69: ...n USB Configuration Chipset Configuration The submenu represented by Table 34 is used for configuring the diskette drive Table 34 Diskette Configuration Submenu Feature Options Description Diskette Controller Disabled Enabled default Disables or enables the integrated diskette controller Floppy A Not Installed 360 KB 5 1 2 MB 5 720 KB 3 1 44 1 25 MB 3 default 2 88 MB 3 Specifies the capacity and p...

Page 70: ...ation Event Log Configuration Video Configuration USB Configuration Chipset Configuration The submenu represented by Table 35 is used to configure the event logging features Table 35 Event Log Configuration Submenu Feature Options Description Event Log No options Indicates if there is space available in the event log View Event Log Enter Displays the event log Clear Event Log Ok default Cancel Cle...

Page 71: ...nt Log Configuration Video Configuration USB Configuration Chipset Configuration The submenu represented in Table 36 is for configuring the video features Table 36 Video Configuration Submenu Feature Options Description AGP Aperture Size 4 MB 8 MB 16 MB 32 MB 64 MB default 128 MB 256 MB Sets the aperture size for the video controller Primary Video Adapter AGP default PCI Selects primary video adap...

Page 72: ... Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration The submenu represented in Table 37 is for configuring the USB features Table 37 USB Configuration Submenu Feature Options Description High Speed USB Disabled Enabled default Set to Disabled when a USB 2 0 driver is not available Legac...

Page 73: ...dresses that do not alias to an ISA range within the bridge s assigned I O range PCI Latency Timer 32 default 64 96 128 160 192 224 248 Allows you to control the time in PCI bus clock cycles that an agent on the PC bus can hold the bus when another agent has requested the bus Extended Configuration Default default User Defined Allows the setting of extended configuration options SDRAM Frequency Fo...

Page 74: ...Aggressive Selects most aggressive user defined timings Manual User Defined Allows manual override of detected SDRAM settings SDRAM RAS Active to Precharge 7 6 5 default Corresponds to tRAS SDRAM CAS Latency 2 0 default 2 5 Selects the number of clock cycles required to address a column in memory SDRAM RAS to CAS Delay 3 2 default Selects the number of clock cycles between addressing a row and add...

Page 75: ...ssword No options Reports if there is a user password set Set Supervisor Password Password can be up to seven alphanumeric characters Specifies the supervisor password User Access Level Note 1 No Access View Only Limited Full default Sets BIOS Setup Utility access rights for user level Set User Password Password can be up to seven alphanumeric characters Specifies the user password Clear User Pass...

Page 76: ...urred Power On restores power to the computer Wake on PCI PME Stay Off default Power On Specifies how the computer responds to a PCI power management event Wake on Modem Ring Stay Off default Power On Specifies how the computer responds to an incoming call on an installed modem when the power is off 4 6 1 ACPI Submenu To access this menu select Power from the menu bar at the top of the screen and ...

Page 77: ...ea Disabled Enabled default Enables the BIOS to scan the flash memory for user binary files that are executed at boot time PXE Boot to LAN Disabled default Enabled Disables enables PXE boot to LAN Note When set to Enabled you must reboot for the Intel Boot Agent device to be available in the Boot Device menu USB Boot Disabled Enabled default Disables enables booting to USB boot devices Boot Device...

Page 78: ...st Boot Device 2 nd Boot Device 3 rd Boot Device 4 th Boot Device Removable Dev Hard Drive ATAPI CD ROM Intel Boot Agent Note Disabled Specifies the boot sequence according to the device type The computer will attempt to boot from up to five devices as specified here Only one of the devices can be an IDE hard disk drive To specify boot sequence 1 Select the boot device with or 2 Press Enter to set...

Page 79: ...ist will display up to twelve 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 on the menu bar then Removable Devices Maintenance Main Advanced Security Power Boot Exit Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD ROM Drives The submenu represented in Table 45 is for setting removable d...

Page 80: ...ur ATAPI CD ROM drives the maximum number of ATAPI CD ROM drives supported by the BIOS 4 8 Exit Menu To access this menu select Exit from the menu bar at the top of the screen Maintenance Main Advanced Security Power Boot Exit The menu represented in Table 47 is for exiting the BIOS Setup program saving changes and loading and saving defaults Table 47 Exit Menu Feature Description Exit Saving Chan...

Page 81: ... power Replace the battery soon CMOS Display Type Wrong The display type is different than what has been stored in CMOS Check Setup to make sure type is correct CMOS Checksum Bad The CMOS checksum is incorrect CMOS memory may have been corrupted Run Setup to reset values CMOS Settings Wrong CMOS values are not the same as the last boot These values have either been corrupted or the battery has fai...

Page 82: ...anged since the last boot If no memory was added or removed then memory may be bad No Boot Device Available System did not find a device to boot Off Board Parity Error A parity error occurred on an off board card This error is followed by an address On Board Parity Error A parity error occurred in onboard memory This error is followed by an address Parity Error A parity error occurred in onboard m...

Page 83: ... initialization start memory refresh and do memory sizing D4 Verify base memory D5 Init code to be copied to segment 0 and control to be transferred to segment 0 D6 Control is in segment 0 To check recovery mode and verify main BIOS checksum If either it is recovery mode or main BIOS checksum is bad go to check point E0 for recovery else go to check point D7 for giving control to main BIOS D7 Find...

Page 84: ...ode segment writeable 24 To do any setup before Int vector init 25 Interrupt vector initialization to begin To clear password if necessary 27 Any initialization before setting video mode to be done 28 Going for monochrome mode and color mode setting 2A Different buses init system static output devices to start if present See Section 5 3 for details of different buses 2B To give control for any set...

Page 85: ...ing for sequential and random memory test 50 Memory testing initialization below 1M complete Going to adjust displayed memory size for relocation shadow 51 Memory size display adjusted due to relocation shadow Memory test above 1M to follow 52 Memory testing initialization above 1M complete Going to save memory size information 53 Memory size information is saved CPU registers are saved Going to e...

Page 86: ...8 Optional ROM control is done About to give control to do any required processing after optional ROM returns control and enable external cache 99 Any initialization required after optional ROM test over Going to setup timer data area and printer base address 9A Return after setting timer and printer base address Going to set the RS 232 base address 9B Returned after RS 232 base address Going to d...

Page 87: ...es 95 Init of different buses optional ROMs from C800 to start While control is inside the different bus routines additional checkpoints are output to port 80h as WORD to identify the routines under execution In these WORD checkpoints the low byte of the checkpoint is the system BIOS checkpoint from which the control is passed to the different bus routines The high byte of the checkpoint is the in...

Page 88: ...m see Table 55 The BIOS also issues a beep code one long tone followed by two short tones during POST if the video configuration fails a faulty video card or no card installed or if an external ROM module does not properly checksum to zero An external ROM module for example a video BIOS can also issue audible errors usually consisting of one long tone followed by a series of short tones For more i...

Page 89: ...system Table 55 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 8042 GateA20 cannot be toggled 7 Exception interrupt error 8 Display memory R W error 9 Not used 10 CMOS Shutdown register test error 11 Invalid BIOS e g POST module not found etc ...

Page 90: ...Technical Product Specification for Intel Desktop Boards using the Intel 845G Chipset 90 ...

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