Intel D850MV - Desktop Board Motherboard Specification Download

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Intel

Desktop Board

D850MV

Specification Update

Release Date: November 2003

Order Number: A72587-012

The Intel



Desktop Board D850MV 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.

Summary of Contents for D850MV - Desktop Board Motherboard

Page 1: ...November 2003 Order Number A72587 012 The Intel Desktop Board D850MV 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 ...

Page 2: ...ntel 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 D850MV 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 offic...

Page 3: ...CONTENTS REVISION HISTORY v PREFACE vi Specification Update for the Intel Desktop Board D850MV GENERAL INFORMATION 3 SPECIFICATION CHANGES 5 ERRATA 13 SPECIFICATION CLARIFICATIONS 15 ...

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Page 5: ...bruary 2002 004 Added Erratum 1 Updated General Information March 2002 005 Added Specification Changes 1 2 April 2002 006 Added Specification Change 3 June 2002 007 Added Erratum 2 September 2002 008 Added Specification Change 4 Removed Printed Board Assembly PBA information from the document as this reference is no longer valid Updated the Legal Disclaimer Section October 2002 009 Added Specifica...

Page 6: ...hat stepping Refer to the Intel 82801BA I O Controller Hub 2 ICH2 and Intel 82801BAM I O Controller Hub 2 Mobile ICH2 M Specification Update Order Number 298242 for specification updates concerning the 82802BA I O Controller Hub and that may apply to the desktop board D850MV Unless otherwise noted in this document it should be assumed that any ICH 2 errata for a given stepping are applicable to th...

Page 7: ...Specification Update for the Intel Desktop Board D850MV ...

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Page 9: ... MV85010A 86A 0011 P05 1 5 A71906 302 MV85010A 86A 0011 P05 1 5 NOTES 1 The AA number is found on a small label on the component side of the board 2 The 82850 Chipset kit used on this AA revision consists of three components as follows Device Stepping S Spec Numbers KC82850 MCH A3 SL5HA 82801BA ICH B4 SL59Z 82802AB 4Mbit FWH A1 SB48 3 Refer to the Intel Pentium 4 Processor Specification Update Ord...

Page 10: ... modified from the previous version of the document NO PLANS SPECIFICATION CHANGES 1 Doc Support for faster Intel Pentium 4 processors 2 Doc Third paragraph in Section 1 14 2 2 will be removed 3 Doc Support for additional Intel Pentium 4 processors 4 Doc Support for faster Intel Pentium 4 processor 5 Doc Support for faster Intel Pentium 4 processors 6 Doc Support For Faster Intel Pentium 4 Process...

Page 11: ... D850MD and D850MV boards support a single Pentium 4 processor in a 478 pin socket with a system bus of 400 MHz The D850MD and D850MV boards support the processors listed in Table 5 All supported onboard memory can be cached up to the cachability limit of the processor See the processor s data sheet for cachability limits Table 5 Supported Processors Type Designation System Bus L2 Cache Size Penti...

Page 12: ...thermally monitored by separate temperature sensors that control voltage to the fan 1 and fan 2 connectors If the fans attached to these connectors provide a tachometer signal the sensor reports the fan speed to the hardware monitor component Table 12 summarizes the functions of the four fan connectors Table 12 Fan Connector Descriptions Feature Processor Fan Fan 1 Fan 2 Fan 3 Note 1 12 V DC conne...

Page 13: ...he processor See the processor s data sheet for cachability limits Table 5 Supported Processors Type Designation System Bus L2 Cache Size Pentium 4 processor Up to 2 0 GHz 400 MHz 256 KB 1 6 1 8 2 0 and 2 2 GHz 400 MHz 512 KB CAUTION Use only an ATX12V compliant power supply with the D850MD and D850MV boards ATX12V power supplies have two power leads that provide required supplemental power for th...

Page 14: ...d Processors Type Designation System Bus L2 Cache Size Pentium 4 processor 1 60A 1 70A 1 80A 2 0A 2 2 and 2 4 GHz 400 MHz 512 KB 1 4 1 5 1 6 1 7 1 8 1 9 and 2 0 GHz 400 MHz 256 KB The list of supported processors for the desktop boards D850EMD2 D850EMV2 is available from Intel s World Wide Web site All supported onboard memory can be cached See the processor s data sheet for cachability limits CAU...

Page 15: ...016 P07 or greater and board revisions A71904 300 A71906 300 A56420 300 A56423 300 A73829 300 or greater are required for the board to properly support 2 4 GHz Pentium 4 processors 5 Support For Faster Intel Pentium 4 Processors Section 1 6 Processor will change in its entirety as follows 1 6 Processor CAUTION Use of unsupported processors can damage the board the processor and the power supply Se...

Page 16: ...these desktop boards ATX12V power supplies have two power leads that provide required supplemental power for the Intel Pentium 4 processor and the Intel 850E chipset Always connect the 20 pin and 4 pin leads of the ATX12V power supply to the corresponding connectors on the board Otherwise the board and the processor could be damaged Do not use a standard ATX power supply Doing so could damage the ...

Page 17: ... A56420 300 A56423 300 A73829 300 or greater are required for the board to properly support 2 4 GHz Pentium 4 processors NOTE BIOS revision MV85010A 86A 0038 P15 or greater and board revisions A71904 300 A71906 300 A56420 300 A56423 300 A73829 300 or greater are required for the board to properly support 2 50 GHz or greater Pentium 4 processors ...

Page 18: ...Hz 512 KB P07 or greater 1 80A GHz 400 MHz 512 KB P07 or greater 1 70A GHz 400 MHz 512 KB P07 or greater 1 60A GHz 400 MHz 512 KB P07 or greater 2 0A GHz 400 MHz 512 KB P07 or greater The following board revisions AA numbers support these processors A71904 300 or later A71906 300 or later A56420 300 or later A56423 300 or later A73829 300 or later 2 0 GHz 400 MHz 256 KB P07 or greater 1 9 GHz 400 ...

Page 19: ...t system shut downs boot failures or system lock ups WORKAROUND Users with D850MV 2xx series desktop boards can utilize Intel Pentium 4 processors with 256KB cache in the µPGA 478 package STATUS This erratum was fixed in board revisions AA A56420 301 A56423 301 A71904 301 A71906 301 and later 3 Wake From an ACPI Sleep State Using Wake Methodologies May Fail PROBLEM The desktop board hardware leave...

Page 20: ... for as long as one minute during POST while the system is booting when ECC memory is utilized IMPLICATION When BIOS detects ECC memory during the system boot process BIOS will run memory scans multiple times resulting in a delayed POST up to one minute making the system seem unresponsive WORKAROUND None STATUS This erratum will not be fixed ...

Page 21: ...of the Intel ICH2 component The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts The APIC is supported in Windows 2000 and Windows XP and support a total of 24 interrupts Table 17 Interrupts IRQ System Resource NMI I O channel check 0 Reserved interval timer 1 Reserved keyboard buffer full 2 Reserved cascade interrupt from slave PIC 3 COM2 Note 1 4 COM1 Note 1 5 LP...

Page 22: ...ring does not affect the operation or throughput of the devices In some special cases where maximum performance is needed from a device a PCI device should not share an interrupt with other PCI devices Use the following information to avoid sharing an interrupt with a PCI add in card PCI devices are categorized as follows to specify their interrupt grouping INTA By default all add in cards that re...

Page 23: ... ICH2 LAN INTA to PIRQE OHCI controller 1 Note 1 INTD to PIRQA OHCI controller 2 Note 1 INTC to PIRQB EHCI controller Note 1 INTH to PIRQC PCI Bus Connector 1 INTA INTB INTC INTD PCI Bus Connector 2 INTD INTA INTB INTC PCI Bus Connector 3 INTC INTD INTA INTB PCI Bus Connector 4 Note 2 INTB INTC INTD INTA PCI Bus Connector 5 Note 2 INTA INTB INTC INTD Notes 1 USB 2 0 option only 2 D850MV board only...

Page 24: ...onnector optional shared with PCI bus connector 3 ATX expansion slot 1 on the D850MD board or with PCI bus connector 5 ATX expansion slot 1 on the D850MV board NOTE The SMBus routing to the PCI bus connectors does not conform to the PCI Engineering Change Notice ECN Addition of the SMBus to the PCI Connector ECN dated October 5th 2000 The ECN specifies that SMBus signals must be routed to all PCI ...

Page 25: ...h respect to the far edge of a full sized ATX chassis The ATX specification and the board s silkscreen are opposite and could cause confusion The ATX numbering convention is made without respect to slot type PCI vs AGP but refers to an actual slot location on a chassis Figure 15 on page 63 illustrates the D850MD board s PCI slot numbering Figure 16 on page 64 illustrates the D850MV board s PCI slo...

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