Intel® Desktop Board D955XBK Technical Product Specification April 2005 Order Number: D14065-001 The Intel® Desktop Board D955XBK 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 D955XBK Specification Update. Revision History Revision -001 Revision History First release of the Specification Intel® Desktop Board D955XBK Technical Product Date April 2005 This product specification applies to only the standard Intel® Desktop Board D955XBK with BIOS identifier BK95510J.86A. Changes to this specification will be published in the Intel Desktop Board D955XBK Specification Update before being incorporated into a revision of this document. INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL® PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. INTEL PRODUCTS ARE NOT INTENDED FOR USE IN MEDICAL, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS. All Intel desktop boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal computers (PC) for installation in homes, offices, schools, computer rooms, and similar locations. The suitability of this product for other PC or embedded non-PC applications or other environments, such as medical, industrial, alarm systems, test equipment, etc. may not be supported without further evaluation by Intel. Intel Corporation may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the presented subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights. Intel may make changes to specifications and product descriptions at any time, without notice. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. Intel® desktop boards may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request. Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from: Intel Corporation P.O. Box 5937 Denver, CO 80217-9808 or call in North America 1-800-548-4725, Europe 44-0-1793-431-155, France 44-0-1793-421-777, Germany 44-0-1793-421-333, other Countries 708-296-9333. Intel, Pentium, and Celeron are registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. * Other names and brands may be claimed as the property of others. Copyright © 2005, Intel Corporation. All rights reserved. Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and the BIOS for the Intel® Desktop Board D955XBK. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Intel Desktop Board D955XBK and its components to the vendors, system integrators, and other engineers and technicians who need this level of information. It is specifically not intended for general audiences. What This Document Contains Chapter 1 2 3 4 Description A description of the hardware used on the Desktop Board D955XBK A map of the resources of the Desktop Board The features supported by the BIOS Setup program A description of the BIOS error messages, beep codes, and POST codes Typographical Conventions This section contains information about the conventions used in this specification. Not all of these symbols and abbreviations appear in all specifications of this type. Notes, Cautions, and Warnings NOTE Notes call attention to important information. INTEGRATOR'S NOTES Integrator's notes are used to call attention to information that may be useful to system integrators. CAUTION Cautions are included to help you avoid damaging hardware or losing data. WARNING Warnings indicate conditions, which if not observed, can cause personal injury. iii Intel Desktop Board D955XBK Technical Product Specification Other Common Notation # (NxnX) Used after a signal name to identify an active-low signal (such as USBP0#) When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Board D955XBK, 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. Gigabyte (1,073,741,824 bytes) Gigabytes per second Gigabits per second Kilobyte (1024 bytes) Kilobit (1024 bits) 1000 bits per second Megabyte (1,048,576 bytes) Megabytes per second Megabit (1,048,576 bits) Megabits per second An address or data value ending with a lowercase h indicates a hexadecimal value. Volts. Voltages are DC unless otherwise specified. This symbol is used to indicate third-party brands and names that are the property of their respective owners. GB GB/sec Gbits/sec KB Kbit kbits/sec MB MB/sec Mbit Mbits/sec xxh x.x V * iv Contents 1 Product Description 1.1 Overview ...................................................................................................................... 10 1.1.1 Feature Summary.......................................................................................... 10 1.1.2 Manufacturing Options .................................................................................. 11 1.1.3 Board Layout ................................................................................................. 12 1.1.4 Block Diagram ............................................................................................... 14 Online Support ............................................................................................................. 15 Processor ..................................................................................................................... 15 System Memory ........................................................................................................... 16 1.4.1 Memory Configurations ................................................................................. 17 Intel® 955X Chipset...................................................................................................... 21 1.5.1 USB ............................................................................................................... 21 1.5.2 IDE Support ................................................................................................... 21 1.5.3 Real-Time Clock, CMOS SRAM, and Battery................................................ 23 Discrete Serial ATA Interface (Optional) ...................................................................... 24 PCI Express Connectors.............................................................................................. 24 Auxiliary Power (AUX PWR) Output Connector (Optional) .......................................... 25 IEEE-1394a/b Connectors (Optional)........................................................................... 25 I/O Controller................................................................................................................ 26 1.10.1 Serial Port...................................................................................................... 26 1.10.2 Parallel Port ................................................................................................... 26 1.10.3 Diskette Drive Controller................................................................................ 26 1.10.4 Keyboard and Mouse Interface ..................................................................... 26 Audio Subsystem ......................................................................................................... 27 1.11.1 Audio Subsystem Software ........................................................................... 27 1.11.2 Audio Connectors .......................................................................................... 27 1.11.3 8-Channel (7.1) Audio Subsystem................................................................. 28 1.11.4 6-Channel (5.1) Audio Subsystem................................................................. 30 LAN Subsystem ........................................................................................................... 31 1.12.1 Intel® 82573E/82573V/82574V Gigabit Ethernet Controller .......................... 31 1.12.2 RJ-45 LAN Connector with Integrated LEDs ................................................. 31 1.12.3 Alert Standard Format (ASF) Support ........................................................... 32 1.12.4 Intel® Active Management Technology (AMT) (Optional).............................. 32 1.12.5 LAN Subsystem Software.............................................................................. 34 Hardware Management Subsystem............................................................................. 34 1.13.1 Hardware Monitoring and Fan Control ASIC ................................................. 34 1.13.2 Thermal Monitoring........................................................................................ 35 1.13.3 Fan Monitoring............................................................................................... 36 1.13.4 Chassis Intrusion and Detection.................................................................... 36 Power Management ..................................................................................................... 36 1.14.1 ACPI .............................................................................................................. 36 1.14.2 Hardware Support ......................................................................................... 39 Trusted Platform Module (Optional) ............................................................................. 43 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 v Intel Desktop Board D955XBK Technical Product Specification 2 Technical Reference 2.1 Memory Resources ...................................................................................................... 45 2.1.1 Addressable Memory..................................................................................... 45 2.1.2 Memory Map.................................................................................................. 47 DMA Channels ............................................................................................................. 47 Fixed I/O Map............................................................................................................... 48 PCI Configuration Space Map...................................................................................... 49 Interrupts ...................................................................................................................... 50 PCI Conventional Interrupt Routing Map ..................................................................... 51 Connectors................................................................................................................... 53 2.7.1 Back Panel Connectors ................................................................................. 53 2.7.2 Component-side Connectors......................................................................... 56 Jumper Block ............................................................................................................... 67 Mechanical Considerations .......................................................................................... 68 2.9.1 Form Factor ................................................................................................... 68 2.9.2 I/O Shield....................................................................................................... 69 Electrical Considerations.............................. ...