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Intel E8870DH DDR Memory Hub



Intel Corporation 로고
Intel Corporation
E8870DH 데이터시트, 핀배열, 회로
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Intel® 82870DH DDR Memory Hub (DMH)
Datasheet
Product Features
s Two independent DDR DIMM channels
per DMH.
— 4 DIMMs per DDR Channel.
— Registered PC1600 DDR DIMMs.
s Write Buffers to minimize large turnaround
times.
s Pass through architecture for Read and
Write accesses.
s Supports 128 Mb, 256 Mb, 512 Mb and
1 Gb DDR SDRAM technologies.
s Each DMH supports a wide range of
memory size.
— Up to 4 GB using 128 Mb device.
— Up to 8 GB using 256 Mb device.
— Up to 16 GB using 512 Mb device.
— Up to 32 GB using 1 Gb device.
s Support of RDRAM CMOS signals to
facilitate initialization and read/write of
registers.
s DMH internal registers accessed through
CMOS signal interface.
s Tunnels DDR SDRAM protocol over RSL.
s Integrated System Management Bus (SMB)
controller to read and write data from/to
SPD EEPROM on the DIMMs.
s 1.6 GB/s data rates in either 16-byte or
32-byte DDR DIMM transfer mode.
s 567 pin OLGA package.
Document Number: 251113-001
August 2002


E8870DH 데이터시트, 핀배열, 회로
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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, or 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 reservedor undefined.Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The 82870DH DDR Memory Hub 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 and before placing your product order.
Copies of documents which have an order number and are referenced in this document, or other Intel literature, may be obtained by calling1-800-548-
4725, or by visiting Intel's website at http://www.intel.com.
Intel and Itanium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
Copyright © 2002, Intel Corporation. All rights reserved.
*Other names and brands may be claimed as the property of others.
I2C is a two-wire communication bus /protocol developed by Phillips. SMBus is a subset of the I2C bus/protocol developed by Intel. Implementation of
the I2C bus/protocol or the SMBus bus/protocol may require licenses from various entities, including Phillips Electronics, N.V. and North American
Phillips Corporation.
ii Intel® E8870DH DDR Memory Hub (DMH) Datasheet




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