Intel D850EMV2 Specification
Desktop board
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Intel
Desktop Board
D850EMV2
Specification Update
Release Date: November 2003
Order Number: A96647-008
The Intel
Desktop Board D850EMV2 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.
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Summary of Contents for Intel D850EMV2
- Page 1 Release Date: November 2003 Order Number: A96647-008 The Intel Desktop Board D850EMV2 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 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.
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Page 3: Table Of Contents
CONTENTS REVISION HISTORY ...........................v PREFACE ..............................vi Specification Update for the Intel Desktop Board D850EMV2 GENERAL INFORMATION ..........................3 SPECIFICATION CHANGES ........................5 ERRATA...............................8 SPECIFICATION CLARIFICATIONS......................9... -
Page 5: Revision History
Intel Desktop Board D850EMV2 Specification Update REVISION HISTORY Date of Revision Version Description June 2002 -001 This document is the first Specification Update for the Intel Desktop Board D850EMV2. August 2002 -002 Added Specification Change 1. Removed Printed Board Assembly (PBA) information from the document, as this reference is no longer valid. -
Page 6: Preface
(Order Number 298247) for specification updates concerning the 82850/82850E MCH Controller and that may apply to the desktop board D850EMV2. 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. -
Page 7: Specification Update For The Intel Desktop Board D850Emv2
Specification Update for the ® Intel Desktop Board D850EMV2... -
Page 9: General Information
Refer to the Intel 82850 Chipset Family: 82850/82850E Memory Controller Hub (MCH) Specification Update (Order Number 298247) for errata related to the 82850/82850E MCH that may apply to the desktop board D850EMV2. Refer to the Intel 82801BA I/O Controller Hub Specification Update (Order Number 298242) for errata related to the... - Page 10 The following table indicates the Specification Changes, Errata, Specification Clarifications, or Documentation Changes that apply to the desktop board D850EMV2. 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.
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Page 11: Specification Changes
Fan is off in the ACPI S3, S4, and S5 states Notes: 1. This fan is present on the desktop board D850EMV2 only. 2. Fan 3 uses the same controls as fan 2. If fan 2 is switched off, fan 3 is also off. - Page 12 533 MHz 512 KB 2.80 GHz 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. ✏ NOTE BIOS revision MV85010A.86A.0038.P15 or greater is required for the board to...
- Page 13 Intel Desktop Board D850EMV2 Specification Update Support For Faster Intel Pentium 4 Processors to Table 5 of Section 1.6 Processor Table 5 in section 1.6, Processor will change in its entirety as follows: Table 5. Supported Processors...
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Page 14: Errata
(VccSus3_3 and VccSus1_8) is valid, instead of asserting ® ® it for 10 ms after valid power, which is required by the Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile (ICH2-M) Datasheet (order number 290687). The result is that LAN wake attempts may fail. -
Page 15: Specification Clarifications
Intel Desktop Board D850EMV2 Specification Update SPECIFICATION CLARIFICATIONS The Specification Clarifications listed in this section apply to the Desktop Board D850MV2 Technical Product Specification (Order Number A94395). All Specification Clarifications will be incorporated into a future version of that specification. - Page 16 1.13.1.4 Intel Precision Cooling Technology for Advanced Fan Speed Control Intel Precision Cooling Technology automatically adjusts the chassis fan speeds depending on the system’s temperature. This feature reduces system fan noise by lowering the speed of the chassis fans connected to the front, rear, and RIMM chassis fan connectors.
- Page 17 Intel Desktop Board D850EMV2 Specification Update • Power supply monitoring of five voltages (+5 V, +12 V, +3.3 V, +1.5 V, and +VCCP1) to detect levels above or below acceptable values • Fan monitoring for all fans (four fans on the Desktop Board D50EMVR) •...
- Page 18 Intel Desktop Board D850EMV2 Specification Update • Front panel audio connector, including pins for: o Line out o Mic in • Back panel audio connectors: o Line out o Line in o Mic in o 1/8” stereo microphone back panel jack Figure 8 is a block diagram of the audio subsystem.
- Page 19 • PCI 2.2–compliant local bus slots (three on the desktop board D850EMD2; five on the desktop board D850EMV2). The SMBus is routed to PCI bus connector 2 only (ATX expansion slot 4). PCI add-in cards with SMBus support can access sensor data and other information residing on the board.
- Page 20 (PCI vs. AGP) but refers to an actual slot location on a chassis. Figure 15 on page 63 illustrates the desktop board D850EMD2’s PCI slot numbering. Figure 16 on page 64 illustrates the desktop board D850EMV2’s PCI slot numbering.