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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.
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Summary of Contents for Intel D850MVSE
- Page 1 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.
- 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 D850MV GENERAL INFORMATION ..........................3 SPECIFICATION CHANGES ........................5 ERRATA..............................13 SPECIFICATION CLARIFICATIONS......................15... -
Page 5: Revision History
Intel Desktop Board D850MV Specification Update REVISION HISTORY Date of Revision Version Description September 2001 -001 This document is the first Specification Update for the Intel Desktop Board D850MV. November 2001 -002 Updated General Information Section. January 2002 -003 Updated General Information Section. -
Page 6: Preface
4 Processor Specification Update (Order number 249199) for specification updates concerning the Intel Pentium 4 processor and that may apply to the desktop board D850MV. 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. -
Page 7: Specification Update For The Intel Desktop Board D850Mv
Specification Update for the ® Intel Desktop Board D850MV... -
Page 9: General Information
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 errata related to the ICH 2 Controller Hub that may apply to the desktop... - Page 10 The following table indicates the Specification Changes, Errata, Specification Clarifications, or Documentation Changes that apply to the desktop board D850MV. 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
CAUTION Use only the processors listed below. Use of unsupported processors can ® damage the board, the processor, and the power supply. See the Intel Desktop Board D850MD/D850MV Specification Update for the most up-to-date list of supported processors for these boards. -
Page 12: Fan Connectors
Intel Desktop Board D850MV Specification Update Do not use a standard ATX power supply. Doing so could damage the board and the processor. For information about Refer to Processor support Section 1.3, page 18 Processor usage Section 1.3, page 18 Power supply connectors Section 2.8.2.3, page 60... - Page 13 CAUTION Use only the processors listed below. Use of unsupported processors can ® damage the board, the processor, and the power supply. See the Intel Desktop Board D850MD/D850MV Specification Update for the most up-to-date list of supported processors for these boards.
- Page 14 256 KB and 2.0 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. CAUTION Use only an ATX12V-compliant power supply with these desktop boards.
- Page 15 1.6 Processor CAUTION Use of unsupported processors can damage the board, the processor, and the ® power supply. See the Intel Desktop Board D850EMD2/D850EMV2 Specification Update for the most up-to-date list of supported processors for these boards. The desktop boards D850EMD2/D850EMV2 support a single Pentium 4 processor (in a µPGA478 socket) with a system bus of 400/533 MHz.
- Page 16 2 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. CAUTION Use only an ATX12V-compliant power supply with these desktop boards.
- Page 17 Intel Desktop Board D850MV Specification Update ✏ NOTE BIOS revision MV85010A.86A.0016.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. ✏ NOTE BIOS revision MV85010A.86A.0038.P15 or greater and board revisions...
- Page 18 Intel Desktop Board D850MV Specification Update Support For Faster Intel Pentium 4 Processors to Table 1 of Section 1.6 Processor Table 1 in section 1.6, Processor will change in its entirety as follows: Table 1. Supported Processors...
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Page 19: 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 20 Intel Desktop Board D850MV Specification Update System Boot Time May be Excessive When Using ECC Memory A blank screen may occur for as long as one minute during POST while the system is booting, ROBLEM when ECC memory is utilized.
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Page 21: Specification Clarifications
The Interrupts can go through either the Programmable Interrupt Controller (PIC) or the Advanced ® Programmable Interrupt Controller (APIC) portion 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. - Page 22 INTC and a fourth interrupt is classified as INTD. The Intel ICH2 has eight programmable interrupt request (PIRQ) input signals. All PCI interrupt sources either onboard or from a PCI add-in card connect to one of these PIRQ signals. Some PCI interrupt sources are electrically tied together on the D850MD and D850MV boards and therefore share the same interrupt.
- Page 23 ✏ NOTE In PIC mode, the Intel ICH2 can connect each PIRQ line internally to one of the IRQ signals (3, 4, 5, 6, 7, 9, 10, 11, 12,14, and 15). Typically, a device that does not share a PIRQ line will have a unique interrupt. However, in certain interrupt-constrained situations, it is possible for two or more of the PIRQ lines to be connected to the same IRQ signal.
- Page 24 Intel Desktop Board D850MV Specification Update Clarification of SMBus Routing Section 2.8.2.1 will change in its entirety as follows: 2.8.2.1 Expansion Slots The board has the following expansion slots: • One AGP connector (ATX expansion slot 6). The AGP connector is keyed for 1.5 V AGP cards only.
- Page 25 Intel Desktop Board D850MV Specification Update PCI slot #x, starting with the slot closest to the processor. The CNR slot shares PCI slot 5. The ATX/microATX specifications identify expansion slot locations with 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.