Intel DQ45CB
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1. Configure After the POST runs Setup runs automatically The maintenance menu is displayed 4 Recovery The BIOS attempts to recover the BIOS configuration See Section 3 7 for more information on BIOS recovery 23 3 Updated Section 3 6 1 Language Support in the Technical Product Specification 3 6 1 Language Support The BIOS Setup program and help messages are supported in US English French Spanish and German Intel Desktop Board DQ45CB Specification Update 4 Support for up to 8 GB system memory has been changed to support for up to 16 GB system memory Partial section of table 1 shown below Table 1 Feature Summary Form Factor Processor Memory Micro ATX 9 60 inches by 9 60 inches 243 84 millimeters by 243 84 millimeters Support for the following e Intel Core 2 Quad processor in an LGA775 socket e Intel Core 2 Duo processor in an LGA775 socket e Intel Pentium Dual Core processor in an LGA775 socket e Intel Celeron Dual Core processor in an LGA775 socket e Intel Celeron processor 400 Sequence in an LGA775 socket e Four 240 pin DDR2 SDRAM Dual Inline Memory Module DIMM sockets e Support for DDR2 800 MHz or DDR2 667 MHz DIMMs e Support for up to 16 GB of system memory using DDR2 800 MHz or DDR2 667 MHz DIMMs 1 5 System Memory The board has four DIMM sockets and support the following memory features 1 8 V DDR2 SDRAM DIMMs with gold plated contacts with the option t2. Intel Desktop Board DQ45CB Specification Update May 2010 Order Number E53961 006US The Intel Desktop Board DQ45CB may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characterized errata are documented in this Specification Update Revision History Revision Revision History Date 001 This document is the first Specification Update for the September 2008 Intel Desktop Board DQ45CB 002 Updated the Specification Changes Section October 2008 003 Update to the General Information Section January 2009 004 Updated the Specification Changes Section April 2009 005 Updated the Specification Changes Section July 2009 006 Updated the General Information Section May 2010 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 LIFE SUSTAINING APPLICATIONS Intel
3. al Informatio N seieren a Maced n Gir EAEE E Ee E LERE Summary of Changes Specification Changes Intel Desktop Board DQ45CB Specification Update Specification Update for the Intel Desktop Board DQ45CB This document is an update to the specifications contained in the Intel Desktop Board DQ45CB Technical Product Specification Order Number E42785 It is intended for hardware system manufacturers and software developers of applications operating systems or tools It will contain Specification Changes Errata Specification Clarifications and Documentation Changes For specification updates concerning the Intel processor that may apply to this desktop board refer to the following e Intel Core 2 Extreme Processor QX9650 and Intel Core 2 Quad Processor Q9000 Series Specification Update Order Number 318727 e Intel Core 2 Extreme Quad Core Processor QX6000 Sequence and Intel Core 2 Quad Processor Q6000 Sequence Specification Update Order Number 315593 e Intel Core 2 Duo Processor E8000 and E7000 Series Datasheet Order Number 318733 e Intel Core 2 Extreme Processor X6800 and Intel Core 2 Duo Desktop Processor E6000 and E4000 Sequence Specification Update Order Number 313279 e Intel Pentium Dual Core Desktop Processor E2000 Sequence Specification Update Order Number 316982 e Intel Celeron Dual Core Processor E1000 Series Specification Update Order Number 318925 e Intel Celeron Process
4. cludes a new Caution statement changes to the Thermal Considerations for Components table as well as lead in text and a new table Tcontrol Values for Components 2 6 Thermal Considerations A CAUTION A chassis with a maximum internal ambient temperature of 38 C at the processor fan inlet is a requirement Intel recommends the use of a Thermally Advantaged Chassis TAC for this desktop board Use a processor heat sink that provides omni directional airflow to maintain required airflow across the processor voltage regulator area For a list of Thermally Advantaged Chassis TAC please refer to the following website http www intel com go chassis Table 29 provides maximum case temperatures for the board components that are sensitive to thermal changes The operating temperature current load or operating frequency could affect case temperatures Maximum case temperatures are important when considering proper airflow to cool the board Table 29 Thermal Considerations for Components Component Maximum Case Temperature Processor For processor case temperature see processor datasheets and processor specification updates Intel Q45 Express Chipset 105 C Intel 82801 DO ICH10DO 106 C To ensure functionality and reliability the component is specified for proper operation when Case Temperature is maintained at or below the maximum temperature listed in Table 29 This is a requirement for sustained power dissipation equal to T
5. hermal Design Power TDP is specified as the maximum sustainable power to be dissipated by the components When the component is dissipating less than TDP the case temperature should be below the Maximum Case Temperature The surface temperature at the geometric center of the component corresponds to Case Temperature Intel Desktop Board DQ45CB Specification Update 7 It is important to note that the temperature measurement in the system BIOS is a value reported by embedded thermal sensors in the components and does not directly correspond to the Maximum Case Temperature Intel Quiet System Technology Intel QST monitors the embedded thermal sensor for system fan speed control The upper operating limit when monitoring this thermal sensor is Tcontrol Table 30 Tcontrol Values for Components Component Tcontrol Processor For processor Tcontrol see processor datasheets and processor specification updates Intel Q45 Express Chipset 99 C Intel 82801 DO ICH10DO 111 C For more information regarding Thermal Design Guidelines please refer to http developer intel com Products Desktop Chipsets Q45 Q45 techdocs htm 2 Update to the BIOS Setup Configuration J umper Settings table in Section 2 6 of the Technical Product Specification Table 26 BIOS Setup Configuration Jumper Settings Function Mode Jumper Setting Configuration Normal 1 2 The BIOS uses current configuration information and A passwords for booting LA ta
6. 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 The Intel Desktop Board DQ45CB 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 the Intel logo and Intel Core are trademarks of Intel Corporation in the U S and other countries Other names and brands may be claimed as the property of others Copyright 2008 2010 Intel Corporation 2 Intel Desktop Board DQ45CB Specification Update Contents Specification Update for the Intel Desktop Board DQ45CB Terminology aei E es aden hur Mee eee ated leet eee Gener
7. ns to the current published specifications These changes will be incorporated in the next release of the specifications Errata are design defects or errors Characterized errata may cause the desktop board behavior to deviate from published specifications Hardware and software designed to be used with any given Altered Assembly AA and BIOS revision level must assume that all errata documented for that AA and BIOS revision level are present on all desktop boards Specification Clarifications describe a specification in greater detail or further highlight a specification s impact to a complex design situation These clarifications will be incorporated in the next release of the specifications Documentation Changes include typos errors or omissions from the current published specifications These changes will be incorporated in the next release of the specifications General Information Basic Desktop Board DQ45CB Identification Information AA Revision Notes E3014 204 12 E0148 205 12 E5014 206 12 E5018 301 12 E0148 300 E Notes 1 The AA number is found on a small label on the component side of the board 2 The Q45 Chipset kit used on this AA revision consists of two components as follows Device Stepping S Spec Numbers 82045 SBBA 82801 DO Intel Desktop Board DQ45CB Specification Update Summary of Changes The following table indicates the Specification Changes Errata Specification Clarifications or Doc
8. o raise the voltage to support higher performance DDR2 SDRAM DIMMs Dual channel interleaved mode support Unbuffered single sided or double sided DIMMs with the following restriction Double sided DIMMs with x16 organization are not supported 16 GB maximum total system memory using DDR2 800 MHz or DDR2 667 MHz DIMMs refer to Section 2 1 1 on page 45 for information on the total amount of addressable memory Minimum recommended total system memory 512 MB Non ECC DIMMs Serial Presence Detect DDR2 800 MHz or DDR2 667 MHz SDRAM DIMMs DDR2 667 MHz DIMMs with SPD timings of only 5 5 5 tCL tRCD tRP DDR2 800 MHz DIMMs with SPD timings of only 5 5 5 or 6 6 6 tCL tRCD tRP lt 3 NOTE To be fully compliant with all applicable DDR SDRAM memory specifications the board should be populated with DIMMs that support the Serial Presence Detect SPD data structure This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings for optimum performance If non 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 Intel Desktop Board DQ45CB Specification Update Table 3 Supported Memory Configurations DIMM Type DDR2 667 DDR2 667 DDR2 667 DDR2 800 DDR2 800 DDR2 800 Smallest usable Largest usable Maximum capacity DIMM one x16 DIMM one x8 with fo
9. or 400 Sequence Specification Update Order Number 316964 e Intel Xeon Desktop Processor 3300 Series Datasheet Order Number 319007 e Intel Xeon Desktop Processor 3200 Series Datasheet Order Number 316134 e Intel Xeon Desktop Processor E3110 Series Datasheet Order Number 319006 e Intel Xeon Desktop Processor 3000 Series Datasheet Order Number 314916 Unless otherwise noted in this document it should be assumed that any processor errata for a given stepping are applicable to the Altered Assembly AA revision s associated with that stepping Refer to the Intel 4 Series Chipset Family Specification Update Order Number 319971 for specification updates concerning the 82Q45 GMCH Controller and that may apply to the desktop board DQ45CB Unless otherwise noted in this document it should be assumed that any MCH errata for a given stepping are applicable to the Altered Assembly AA revision s associated with that stepping Refer to the Intel 1 O Controller Hub 10 1CH10 Family Specification Update Order Number 319974 for specification updates concerning the I O Controller Hub and that may apply to the desktop board DQ45CB Unless otherwise noted in this document it should be assumed that any ICH10DO errata for a given stepping are applicable to the Altered Assembly AA revision s associated with that stepping 4 Intel Desktop Board DQ45CB Specification Update Terminology Specification Changes are modificatio
10. resses PCI Memory Range contains PCI chipsets Direct Media Interface lt DMI and ICH ranges 16 GB Top of system address space a APIC Reserved FLASH approximately 750 MB ae DRAM Range DOS Compatibility Memory Upper N 12 GB of address space N gt 20MB Top of usable DRAM memory visible to the operating system 1 MB 640 KB OFFFFFH OFOOOOH OEFFFFH OE0000H ODFFFFH OCOOO0H OBFFFFH OAO000H OSFFFFH 00000 H 1 MB Upper BIOS area 64 KB m 960 KB Lower BIOS area 64 KB 16 KB x 4 ro 896 KB Add in Card BIOS and Buffer area 128 KB 16 KB x 8 t 768 KB Standard PCI ISA Video Memory SMM Memory 128 KB 640 KB DOS area 640 KB 0 KB OM21563 Figure 8 Detailed System Memory Address Map Intel Desktop Board DQ45CB Specification Update 11 12 Table 10 lists the system memory map Table 10 System Memory Map Address Range decimal Address Range hex Size Description 1024 K 16777216 K Extended memory 960 K 1024 K Runtime BIOS 896 K 960 K Reserved 800 K 896 K C8000 DFFFF 96 KB Potential available high DOS memory open to the PCI Conventional bus Dependent on video adapter used 640 K 800 K A0000 C7FFF 160 KB Video memory and BIOS 639 K 640 K 9FCOO 9FFFF 1 KB Extended BIOS data movable by memory manager software 512 K 639 K 80000 9FBFF 127 KB E
11. umentation Changes that apply to the Intel Desktop Board DQ45CB Intel intends to fix some of the errata in a future revision of the desktop board and to account for the other outstanding issues through documentation or specification changes as noted The following notations are used in the table Doc Document change or update that will be implemented PlanFix This erratum may be fixed in a future revision of the desktop board driver or BIOS Fixed This erratum has been previously fixed NoFix There are no plans to fix this erratum Shaded This erratum is either new or modified from the previous version of the document No Plans Specification Changes 1 Doc Information was added to Section 2 6 Thermal Considerations of the Technical Product Specification 2 Doc Update to the BIOS Setup Configuration Jumper Settings table in the Technical Product Specification Doc Updated Section 3 6 1 Language Support in the Technical Product Specification 4 Doc Support for up to 8 GB system memory has been changed to support for up to 16 GB system memory oo There is no characterized erratum for this product 6 Intel Desktop Board DQ45CB Specification Update Specification Changes The Specification Changes listed in this section apply to the Intel Desktop Board DQ45CB Technical Product Specification Order Number E42785 1 Information was added to Section 2 6 Thermal Considerations of the Technical Product Specification This in
12. ur identical SDRAM Single sided Double sided x8 Double sided Technology DIMM DIMM DIMMs 2 Gbit 1 GB 4 GB 16 GB 2 1 1 Addressable Memory The board utilizes 16 GB of addressable system memory Typically the address space that is allocated for PCI Conventional bus add in cards PCI Express configuration space BIOS SPI Flash and chipset overhead resides above the top of DRAM total system memory On a system that has 16 GB of system memory installed it is not possible to use all of the installed memory due to system address space being allocated for other system critical functions These functions include the following e BIOS SPI Flash 32 Mbits e Local APIC 19 MB e Direct Media Interface 40 MB e Front side bus interrupts 17 MB e PCI Express configuration space 256 MB e GMCH base address registers internal graphics ranges PCI Express ports up to 512 MB e Memory mapped I O that is dynamically allocated for PCI Conventional and PCI Express add in cards e Base graphics memory support 1 MB or 8 MB e Intel Management Engine Interface Intel MEI single channel 8 MB or dual channel 16 MB 10 Intel Desktop Board DQ45CB Specification Update The amount of installed memory that can be used will vary based on add in cards BIOS settings and operating system installed Figure 8 shows a schematic of the system memory map All installed system memory can be used when there is no overlap of system add
13. xtended conventional memory OK 512K 00000 7FFFF 512 KB Conventional memory Intel Desktop Board DQ45CB Specification Update
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