Manuel d'utilisation / d'entretien du produit D925XBC du fabricant Intel
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Intel ® Desktop Board D925XCV/D925XBC Technical Product Specification June 2004 Order Number: C68597-001 The Intel ® Desktop Board D925XCV/D925XBC may cont ain de sign defects or errors known as errata that may cause t he product to deviate from publis hed specificati ons.
Re vision History Revision Revision History Date -001 First release of the Intel ® Desktop Board D925XCV/D925XBC Technical Product Specification June 2004 This product specification applies to only standard Intel ® Desktop Boards D925XCV and D925XBC with BIOS identifier CV92510A.
Preface This Technical Product Specification (TPS) specifi es the board layout, components, connectors, power and environmental requirement s, and the BIOS for these Intel ® Desktop Boards: D925XCV and D925XBC. It describes the standard product and available manufacturing options.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification WARNING Warnings indicate conditions, which if not observed, can cause personal injury.
Contents 1 Product Description 1.1 PCI Bus Terminology Change ...................................................................................... 11 1.2 Board Differences .............................................................................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.15 Trusted Platform Module (Optional) ............................................................................. 47 1.15.1 System Requirements ...................................
Contents 3 Overview of BIOS Features 3.1 Introduction .................................................................................................................. 9 5 3.2 BIOS Flash Memory Organization ...........................................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Figures 1. Desktop Board D925XCV Components ....................................................................... 14 2. Desktop Board D925XBC Components ............................
Contents 14. PCI Configuration Space Map ...................................................................................... 59 15. Interrupts .........................................................................................................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification x.
1 Pr oduct Description What This Chapter Contains 1.1 PCI Bus Terminology Change ...................................................................................... 11 1.2 Board Differences ..........................................................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification ✏ NOTE Most of the illustrations in this document show only the Desktop Board D925XCV. When there are significant differences between the two Desktop B oards, illustrations of both boards are provided.
Product Description Table 2. Feature Summary (continued) LAN Support Gigabit (10/100/1000 Mbits/sec) LAN sub system using the Marvell* Yukon* 88E8050 PCI Express Gigabit Ethernet Controller Expansion .
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.3.3 Board Layouts Figure 1 shows the location of the major components on the Desktop Board D925XCV. OM16676 I J B D K L M M O P R S T U CC V W AA X Y Z BB KK LL JJ FF HH EE II E F G H A C Q DD MM GG Figure 1.
Product Description Table 4. D925XCV Components Shown in Figure 1. Item/callout from Figure 1 Description A Auxiliary rear fan connector B ATAPI CD-ROM connector C PCI Express x1 bus add-in card conne.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Figure 2 shows the location of the major components on the Desktop Board D925XBC. OM16686 F G A H I J K L M O P Q R S T X U V W Y EE FF HH DD AA Z BB CC B C D E N GG Figure 2. Desktop Board D925XBC Components Table 5 lists the D925XCV components identified in Figure 2.
Product Description Table 5. D925XBC Components Shown in Figure 2. Item/callout from Figure 2 Description A Audio codec B Front panel audio connector C PCI Conventional bus add-in card connectors D Ma.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.3.4 Block Diagram Figure 3 is a block diagram of the major functional areas of the boards.
Product Description 1.4 Online Support To find information about… Visit this World Wide Web site: Intel Desktop Boards D925XCV and D925XBC under “Desktop Board Products” or “Desktop Board Support” http://www.intel.com/design/motherbd http://support.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.6 System Memory The boards have four DIMM sockets and support the following memory features: • 1.8 V (only) DDR2 SDRAM DIMMs • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 or ganization are not supported.
Product Description 1.6.1 Memory Configurations The Intel 82925X MCH supports two t ypes 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.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.6.1.1 Dual Channel (Inte rleaved) Mode Configurations Figure 5 shows a dual channel configuration using two DIMMs. In this example, the DIMM0 (blue) sockets of both channels are populated with identical DIMMs.
Product Description Figure 7 shows a dual channel conf iguration 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.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.6.1.2 Single Channel (Asymmetric) Mode Configurations ✏ NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 8 shows a single channel configuration usi ng one DIMM.
Product Description 1.7 Intel ® 925X Chipset The Intel 925X chipset consists of the following devices: • Intel 82925X Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • .
Intel Desktop Board D925XCV/D925XBC Technical Product Specification • Ultra DMA: DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 33 MB/sec. • ATA-66: DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 66 MB/sec.
Product Description For information about Refer to The location of the Serial ATA IDE connec tors on the D925XCV board Figure 21, page 68 The location of the Serial ATA IDE connec tors on the D925XBC board Figure 22, page 70 1.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.7.3 Real-Time Clock, CMOS SRAM, and Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years.
Product Description # INTEGRATOR’S NOTES When using this connector, observe the following precautions: • Do not use a Y-adapter, power splitter, or SATA power adapter to attach storage devices (such as hard disk drives or CD/DVD drives) to th is connector.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification For information about Refer to The location of the parallel port connector Figure 20, page 66 1.10.3 Diskette Drive Controller The I/O controller supports one diskette drive. Use the BIOS Setup program to configure the diskette drive interface.
Product Description 1.11 Audio Subsystem The boards support the Intel High Definition audio subsystem based on the Realtek ALC880 or the Realtek ALC860 audio codec.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.11.3 8-Channel (7.1) Audio Subsystem The 8-channel (7.1) audio subsystem includes the following: • Intel 82801FR I/O Controller .
Product Description Figure 11 is a block diagram of the 8-channel (7.1) audio subsystem. 82801FR I/O Controller Hub (ICH6- R) OM16994 Intel High Definition Audio Link Realtek ALC880 Audio Codec Line O.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.11.4 6-Channel (5.1) Audio Subsystem The 6-channel (5.1) audio subsystem includes the following: • Intel 82801FB I/O Controller .
Product Description 1.12 LAN Subsystem The LAN subsystem includes the Marvell Yukon 88E50 Gigabit (10/100/1000 Mbits/sec) Ethernet Controller and an RJ-45 LAN connector with integrated status LEDs.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.12.3 Alert Standard Format (ASF) Support The boards provide the following ASF support for the onboard 10/100/1000 LAN subsystem, P.
Product Description 1.13 Hardware Management Subsystem The hardware management features enable the Desk top Boards to be compatible with the Wired for Management (WfM) specification.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.13.2 Thermal Monitoring Figure 15 shows the location of the sensors and fan connectors on the D925XCV board.
Product Description Figure 16 shows the location of the sensors and fan connectors on the D925XBC board. OM16689 B A C E F D 1 3 1 3 1 4 Item Description A Remote ambient temperature sensor B Thermal .
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.13.3 Fan Monitoring Fan monitoring can be implemen ted using Intel Desktop Utilities, LANDesk* software, or third- party software. The level of m onitoring and control is dependent on the hardware monitoring ASIC used with the Desktop Board.
Product Description Table 8. Effects of Pressing the Power Switch If the system is in this state… …and the power switch is pressed for …the system enters this state Off (ACPI G2/G5 – Soft off).
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 9 lists the power states supported by the Desktop Boards D925XCV and D925XBC along with the associated system power targets. See th e ACPI specification for a complete description of the various system and power states.
Product Description 1.14.1.2 Wake-up Devices and Events Table 10 lists the devices or specific events th at can wake the computer from specific states.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Resume on Ring enables telephony devices to access th e computer when it is in a power-managed state.
Product Description Depending on the LAN implementation, the De sktop Boards D925XCV and D925XBC support LAN wake capabilities with ACPI in the following ways: • The PCI Express WAKE# signal • The PCI Conventional bus PME# signal for PCI 2.2 compliant LAN designs • The onboard LAN subsystem 1.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.14.2.9 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.
Product Description 1.15 Trusted Platform Module (Optional) The optional Trusted Platform Module (TPM) is a component on the desktop board that is specifically designed to enhance platform s ecurity above-and-beyond the capabilities of today’s software by providing a protected space for key operati ons and other security critical tasks.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.15.3 Security Precautions Security, like any other aspect of computer main tenance requires planning. What is unique about security has to do with understanding who "frie nds" and adversaries are.
Product Description 1.15.3.2 Emergency Recovery File Back Up Procedures The Emergency Recovery Token ( SPEmRecToken.xml ) must be saved or moved to a removable media (floppy, USB drive, CDR, flash media, etc) . Once this is done, the removable media should be stored in a secure location.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 1.15.5 Enabling the Trusted Platform Module The Trusted Platform Module is disabled by defau lt when shipped to insure that the owner/end customer of the system initializes the TPM and c onfigures all security passwords.
Product Description 15. Follow the instructions and create and doc ument the locations for both the archive and restoration key files. The key archive should be located on a removable media and stored in a secure location when not in use. 16. Create and document the password to protect the key archive.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 4. Follow the instructions during the Security Platform Initialization, and append the Emergency Recovery Archive to the existing archive. 5. Provide all the necessary passwords, files, and f ile locations as requested .
Product Description 1.15.9 Software Support • For assistance with the Infineon Security Platform Software, visit the web at: http://www.infineon.com • For assistance with the Wave System EMBASSY Trust Suite, visit the web at: http://www.wave.com/support/ets.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 54.
2 T echnical Reference What This Chapter Contains 2.1 Introduction .................................................................................................................. 5 5 2.2 Memory Resources ............................................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification • Memory-mapped I/O that is dynamically allocat ed for PCI Conventional and PCI Express add- in cards The amount of installed memory that can be us ed will vary based on add-in cards and BIOS settings.
Technical Reference 2.2.2 Memory Map Table 11 lists the system memory map. Table 11. System Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 4194304 K 100000 - FFFFFFFF.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.4 Fixed I/O Map Table 13. I/O Map Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D925XCV/D925XBC. Refer to the ICH6-R data sheet for dy namic addressing information.
Technical Reference 2.5 PCI Configuration Space Map Table 14. PCI Configuration Space Map Bus Number (hex) Device Number (hex) Function Number (hex) Description 00 00 00 Memory controller of Intel 829.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (API C) portion of the ICH6-R component.
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 de vices.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 16. PCI Interrupt Routing Map ICH6-R PIRQ Signal Name PCI Interrupt Source PIRQA PIRQB PIRQC PIRQD PIRQE PIRQF PIRQG PIRQH IEE.
Technical Reference 2.8 Connectors CAUTION Only the following connectors have overcurrent pr otection: back panel USB, front panel USB, and PS/2. The other internal connectors are not overcurre nt protected and should connect only to devices inside the computer’s chassis, such as fans and internal peripherals.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.8.1.1 Back Panel Connectors For 8-Channel (7.1) Audio Subsystem Figure 19 shows the location of the back panel c onnectors for boards equipped with the 8-channel (7.1) audio subsystem.
Technical Reference Table 17. Back Panel Connectors Shown in Figure 19. Item/callout from Figure 19 Description A PS/2 mouse port [Green] B PS/2 keyboard port [Purple] C Serial port A [Teal] D Paralle.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.8.1.2 Back Panel Connectors For 6-Channel (5.1) Audio Subsystem Figure 20 shows the location of the back panel c onnectors for boards equipped with the 6-channel (5.1) audio subsystem.
Technical Reference Table 18. Back Panel Connectors Shown in Figure 20. Item/callout from Figure 20 Description A PS/2 mouse port [Green] B PS/2 keyboard port [Purple] C Serial port A [Teal] D Paralle.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.8.2 Component-side Connectors Figure 21 shows the locations of the compone nt-side connectors of the D925XCV board.
Technical Reference Table 19. D925XCV Component-side Connectors Shown in Figure 21. Item/callout from Figure 21 Description A PCI Conventional bus add-in card connector 4 B Auxiliary rear fan connecto.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Figure 22 shows the locations of the com ponent-side connectors of the D925XBC board. OM16691 K J L M N O P Q R S T B A C E D F G H I 14 1 13 4 12 91 0 3 1 4 1 2 39 40 23 24 2 1 2 33 34 1 1 2 10 1 2 10 1 2 10 1 X W V U 1 11 11 2 2 1 10 9 1 3 1 1 4 Y Figure 22.
Technical Reference Table 20. D925XBC Component-side Connectors Shown in Figure 22. Item/callout from Figure 22 Description A PCI Express x1 bus add-in card connector B Front panel audio connector C P.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 21. ATAPI CD-ROM Connector 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 Table 22.
Technical Reference Table 25. Chassis Intrusion Connector Pin Signal Name 1 Intruder 2 Ground Table 26. SCSI Hard Drive Activity LED Connector (Optional) Pin Signal Name 1 SCSI_ACT# 2 No connect Table 27. Serial ATA Connectors Pin Signal Name 1 Ground 2 TXP 3 TXN 4 Ground 5 RXN 6 RXP 7 Ground Table 28.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.8.2.1 Power Supply Connectors The board has three power supply connectors: • Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards.
Technical Reference Table 29. Main Power Connector Pin Signal Name Pin Signal Name 1 +3.3 V 13 +3.3 V 2 +3.3 V 14 -12 V 3 Ground 15 Ground 4 +5 V 16 PS-ON# (power supply remote on/off) 5 Ground 17 Gro.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Note the following considerations for the PC I Conventional bus connectors (for both Desktop Boards): • All of the PCI Conventional bus connectors are bus master capable. • SMBus signals are routed to PCI Conventional bus connector 2.
Technical Reference Purpl e OM17000 Hard Drive Activi ty LED Reset Switch +5 V DC N/C Power Switch 8 6 4 2 9 7 5 3 1 − + Single-colored Power LED − + Dual-colored Power LED + − Yellow Green Red Figure 23. Connection Diagram for Front Panel Connector 2.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification ✏ NOTE The colors listed in Table 34 and Table 35 are suggested colors only. Actual LED colors are product- or customer-specific. 2.8.2.4.4 Power Switch Connector [Red] Pins 6 and 8 [Red] can be connected to a front panel momentary-contact power switch.
Technical Reference 2.8.2.6 Front Panel IEEE 1394a Connectors (Optional) Figure 25 is a connection diagram for the IEEE 1394a connectors. OM16107 8 6 4 2 7 5 3 1 Key (no pin) 10 TPA+ +12 V DC TPA − Ground TPB+ TPB − Ground Ground +12 V DC Figure 25.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.9 Jumper Block CAUTION Do not move the jumper with the power on. Al ways turn off the power and unplug the power cord from the computer before changing a jumper se tting. Otherwise, the board could be damaged.
Technical Reference 2.10 Mechanical Considerations 2.10.1 D925XCV Form Factor The Desktop Board D925XCV is designed to fit into an ATX-form-factor chassis. Figure 27 illustrates the mechanical form factor for the De sktop Board D925XCV. Dimensions are given in inches [millimeters].
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.10.2 D925XBC Form Factor The Desktop Board D925XBC is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 28 illustrates the mechanical form factor for the Desktop Board D925XBC.
Technical Reference 2.10.3 I/O Shield The back panel I/O shield for the Desktop Bo ards D925XCV and D925XBC must meet specific dimension and material requirements. Systems ba sed on these Desktop Boards need the back panel I/O shield to pass certification testing.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification OM17165 Pictorial View 20. ± 0.254 TYP [0.787 ± 0.10] 162.3 REF [6.390] 159.2 ± 0.12 [6.268 ± 0.005] 1.6 ± 0.12 [0.063 ± 0.005] 1.55 REF [0.061] 12.00 [0.472] 7.012 [0.276] Ø 1.
Technical Reference 2.11 Electrical Considerations 2.11.1 DC Loading Table 37 lists the DC loading characteristics of the board. 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.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 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.
Technical Reference 2.12 Thermal Considerations CAUTION A chassis with a maximum internal ambient temperature of 38 o C at the processor fan inlet is a requirement. Use a processor heatsink that pr ovides omni-directional airflow (as shown in Figure 31) to maintain required airflow ac ross the processor voltage regulator area.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification CAUTION Ensure that the ambient temperature does not exceed the Desktop Board’s maximum operating temperature. Failure to do so could cause co mponents to exceed their maximum case temperature and malfunction.
Technical Reference Table 39 provides maximum case temperatures for the Desktop Board D925XCV/D925XBC components that are sensitive to thermal changes.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.14 Environmental Table 40 lists the environmental specifications for the Desktop Boards D925XCV and D925XBC.
Technical Reference 2.15 Regulatory Compliance This section describes the Desktop Boards’ comp liance with U.S. and international safety and electromagnetic compatibility (EMC) regulations.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.15.2.1 FCC Compli ance Statement (USA) Product Type: D925XCV Desktop Board and D925XBC Desktop Board This device complies with Part 15 of the FCC Ru les.
Technical Reference Suomi Tämä tuote noudattaa EU-direktiivin 89/336/EEC & 73/23/EEC määräyksiä. Français Ce produit est conforme aux exigences de la Directive Européenne 89/336/EEC & 73/23/EEC. Deutsch Dieses Produkt entspricht den Bestimmunge n der Europäischen Richtlinie 89/336/EEC & 73/23/EEC.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 2.15.5 Product Certification Markings (Board Level) Table 43 lists the board’s product certification markings. Table 43. Product Certification Markings Description Marking UL joint US/Canada Recognized Component mark.
3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction .................................................................................................................. 9 5 3.2 BIOS Flash Memory Organization .........................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 44 lists the BIOS Setup program menu features. Table 44. BIOS Setup Program Menu Bar Maintenance Main Advanced S ecurity Power.
Overview of BIOS Features to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto- configuration options by specifying manual c onfiguration in the BIOS Setup program.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 5. The operating system loads. While the opera ting system is loading, USB keyboards and mice are recognized and may be used to configure the operating system.
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.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 3.8 Fast Booting Systems with Intel ® Rapid BIOS Boot These factors affect system boot speed: • Selecting and configuri ng peripherals properly • Using an optimized BIOS, such as the Intel ® Rapid BIOS 3.
Overview of BIOS Features 3.9 BIOS Security Features The BIOS includes security features that restri ct access to the BIOS Setup program and who can boot the computer.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 102.
4 Err or Messa ges and Beep Codes What This Chapter Contains 4.1 BIOS Error Messages ................................................................................................ 103 4.2 Port 80h POST Codes .........................................
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 48. BIOS Error Messages (continued) Error Message Explanation Update OK! NVRAM was invalid and has been updated. Updated Failed NVRAM was invalid but was unable to be updated. Keyboard Error Error in the keyboard connection.
Error Messages and Beep Codes 4.2 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.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM Code Description of POST Operation 03 NMI is Disabled. To check soft reset/power-on. 05 BIOS stack set. Going to disable cache if any.
Error Messages and Beep Codes Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation 40 To prepare the descriptor tables. 42 To enter in virtual mode for memory test. 43 To enable interrupts for diagnostics mode.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation 84 Lock-key checking over. To check fo r memory size mismatch with CMOS. 85 Memory size check done.
Error Messages and Beep Codes Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation AE Uncompress SMBIOS module and init SMBI OS code and form the runtime SMBIOS image in shadow. B1 Going to copy any code to specific area.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification Table 54 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed.
Error Messages and Beep Codes If POST completes normally, the BIOS issues one short beep before passing control to the operating system. Table 55. Beep Codes Beep Description 1 CPU error 3 Memory erro.
Intel Desktop Board D925XCV/D925XBC Technical Product Specification 112.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Intel D925XBC c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Intel D925XBC - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Intel D925XBC, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Intel D925XBC va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Intel D925XBC, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Intel D925XBC.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Intel D925XBC. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Intel D925XBC ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
