Intel D946GZIS - Desktop Board Motherboard Technisches Handbuch

Intel® Desktop Board

D946GZIS

Specification Update

December 2007

Order Number D65904-005US

The Intel®Desktop Board D946GZIS 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.

2 Intel Desktop Board D946GZIS Specification Update

Revision History

Revision Revision History Date

-001 This document is the first Specification Update for the Intel®Desktop

Board D946GZIS.

July 13, 2006

-002 Added Specfication Change 1 and 2, corrected AA revisions in the

Gereral Information table, and added additional AA revisions.

September 2006

-003 Added Specification Change 3. November 2006

-004 Updated General Information table. February 2007

-005 Updated General Information table December 2007

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OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. INTEL PRODUCTS ARE NOT

INTENDED FOR USE IN MEDICAL, LIFE SAVING, LIFE SUSTAINING APPLICATIONS.

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.

The Intel®Desktop Board D946GZIS 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:

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* Other names and brands may be claimed as the property of others.

Intel Desktop Board D946GZIS Specification Update 3

Contents

Specfication Update for the Intel®Desktop Board D946GZIS

Terminology ............................................................................................ 5

General Information ................................................................................. 5

Summary of Changes ............................................................................... 6

Specification Changes ............................................................................... 7

4 Intel Desktop Board D946GZIS Specification Update

Specfication Update for the

Intel®Desktop Board D946GZIS

This document is an update to the specifications contained in the Intel®Desktop Board

D946GZIS Technical Product Specification (Order Number D56025). 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:

•Intel®Pentium®4 Processor 6x1∆Sequence Specification Update (Order

Number 310309)

•Intel®Pentium®4 Processor on 90 nm Process Specification Update (Order

Number 302352)

•Intel®Pentium®4 Processor Specification Update (Order Number 249199)

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

®946 Express Chipset Family Specification Update (Order

Number 313084) for specification updates concerning the 82946GZ GMCH Controller

and that may apply to the desktop board D946GZIS. 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®IO Controller Hub7 (ICH7) Family Specification Update (Order

Number 307014) for specification updates concerning the 82801GB I/O Controller Hub

and that may apply to the desktop board D946GZIS. Unless otherwise noted in this

document, it should be assumed that any ICH7 errata for a given stepping are

applicable to the Altered Assembly (AA) revision(s) associated with that stepping.

Intel Desktop Board D946GZIS Specification Update 5

Terminology

Specification Changes are modifications 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 D946GZIS Identification Information

AA Revision BIOS Revision Notes

D45436-305 TS94610J.86A.0025 1,2

D45436-306 TS94610J.86A.0025 1,2

D45436-307 TS94610J.86A.0047 1,2

D45436-401 TS94610J.86A.0047 1,2

D45436-402 TS94610J.86A.0047 1,2

D45436-403 TS94610J.86A.0047 1,2

D45436-500 TS94610J.86A.0047 1,2

D45436-501 TS94610J.86A.0047 1,2

D45436-502 TS94610J.86A.0080 1,2

D45436-503 TS94610J.86A.0087 1,2

D66165-300 TS94610J.86A.0025 1,2

D66165-301 TS94610J.86A.0025 1,2

D66165-302 TS94610J.86A.0047 1,2

D66165-401 TS94610J.86A.0047 1,2

D66165-402 TS94610J.86A.0047 1,2

D66165-501 TS94610J.86A.0047 1,2

D66165-502 TS94610J.86A.0080 1,2

D66165-503 TS94610J.86A.0087 1,2

D83227-401 TS94610J.86A.0047 1,2

6 Intel Desktop Board D946GZIS Specification Update

AA Revision BIOS Revision Notes

D83227-402 TS94610J.86A.0047 1,2

D83227-403 TS94610J.86A.0047 1,2

NOTES:

1. The AA number is found on a small label on the component side of the board.

2. The 946 Chipset kit used on this AA revision consists of two components as follows:

Device Stepping S-Spec Numbers

82946GZ C1

SL9NZ

SL9R4

82801GB A1 SL8FX

Summary of Changes

The following table indicates the Specification Changes, Errata, Specification

Clarifications, or Documentation Changes that apply to the Intel®Desktop Board

D946GZIS. 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.

Plan Fix: This erratum may be fixed in a future revision of the desktop board, driver, or BIOS.

Fixed: This erratum has been previously fixed.

No Fix: 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 Change Section 1.1.1 Feature Summary

2 Doc Change Section 1.4 System Memory

3 Doc Changes to Section 1.7.2 Audio Connectors

No. Plans Errata

There are no characterized erratum for this product

Intel Desktop Board D946GZIS Specification Update 7

Specification Changes

The Specification Changes listed in this section apply to the Intel®Desktop Board

D946GZIS Technical Product Specification (Order Number D56025). All Specification

Changes will be incorporated into a future version of that specification.

1. Change to Table 1, Section 1.1.1 Feature Summary

Table 1, Section 1.1.1, Feature Summary will change to remove support for DDR2

800 memory. The revised section of the table will change as follows:

Memory •Two 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM)

sockets

•Support for DDR2 667, or DDR2 533 MHz DIMMs

•Support for up to 4 GB of system memory

2. Change to Section 1.4 System Memory

Section 1.4, System Memory will change to remove support for DDR2 800

memory. The revised section will change as follows:

1.4 System Memory

The board has two DIMM sockets and support the following memory features:

•1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts

•Unbuffered, single-sided or double-sided DIMMs with the following restriction:

Double-sided DIMMS with x16 organization are not supported.

•4 GB maximum total system memory. Refer to Section 2.1.1 on page 43 for

information on the total amount of addressable memory.

•Minimum total system memory: 128 MB

•Non-ECC DIMMs

•Serial Presence Detect

•DDR2 667, or DDR2 533 MHz SDRAM DIMMs

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.

8 Intel Desktop Board D946GZIS Specification Update

Table 1 lists the supported DIMM configurations.

Table 1. Supported Memory Configurations

DIMM

Type

DRAM

Technology

Smallest

usable DIMM

(one x16

Single-sided

DIMM)

Largest usable

DIMM (one x8

Double-sided

DIMM)

Maximum

capacity with

two identical x8

Double-sided

DIMMs

DDR2 533 256 Mbit 128 MB 512 MB 1 GB

DDR2 533 512 Mbit 256 MB 1 GB 2 GB

DDR2 533 1 Gbit 512 MB 2 GB 4 GB

DDR2 667 256 Mbit 128 MB 512 MB 1 GB

DDR2 667 512 Mbit 256 MB 1 GB 2 GB

DDR2 667 1 Gbit 512 MB 2 GB 4 GB

NOTE

Regardless of the DIMM type used, the memory frequency will either be equal

to or less than the processor system bus frequency. For example, if DDR2 667

memory is used with a 533 MHz system bus frequency processor, the memory

will operate at 533 MHz. Table 2 lists the resulting operating memory

frequencies based on the combination of DIMMs and processors.

Table 2. Memory Operating Frequencies

DIMM Type Processor system bus

frequency Resulting memory

frequency

DDR2 533 533 MHz 533 MHz

DDR2 533 800 MHz 533 MHz

DDR2 533 1066 MHz 533 MHz

DDR2 667 533 MHz 533 MHz

DDR2 667 800 MHz 667 MHz

DDR2 667 1066 MHz 667 MHz

3. The following note will be added to the Technical Product Specification in

Section 1.7.2 Audio Connectors:

 INTEGRATOR’S NOTES

Electrostatic discharge (ESD) can damage desktop board components. Front-

panel connectors should provide sufficient protection to prevent ESD damage to

components inside the chassis enclosure.

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