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Motherboard Description SY-7IS2
8
l Upstream accelerated hub architecture interface for
access to the MCH
1-6.2 Intel® 815EP MCH Overview
The Intel® 815EP MCH functions and capabilities include:
l Support Uni-processor system
l 64-bit AGTL+ based System Bus Interface at
66/100/133 MHz
l 32-bit Host Address Support
l 64-bit System Memory Interface with optimized support
for SDRAM at 100/133 MHz
l AGP 1X/2X/4X Controller
1-6.3 Host Interface
The host interface of the Intel® 815EP MCH is optimized to support
the Intel® Pentium III processor and Intel® Celeron™ Processor in
the FC-PGA package. The Intel® 815EP MCH implements the host
address, control, and data bus interfaces within a single device. The
Intel® 815EP MCH supports a 4-deep in-order queue(i.e., supports
pipelining of up to 4 outstanding transaction requests on the host
bus). Host bus addresses are decoded by the Intel® 815EP MCH for
accesses to system memory, PCI memory and PCI I/O (via hub
interface), PCI configuration space and Graphics memory. The
Intel® 815EP MCH takes advantage of the pipelined addressing
capability of the pipelined addressing capability of the processor to
improve the overall system performance.
The Intel® 815EP MCH supports the 370-pin socket processor.
*370-pin socket (PGA370). The PGA370 is a zero insertion force
(ZIF) socket that a processor in the FC-PGA package will use to
interface with a system board.
1-6.4 System Memory Interface
The Intel® 815EP MCH integrates a system memory controller that
supports a 64-bit 100/133 MHz SDRAM array. The only DRAM
type supported is industry standard Synchronous DRAM (SDRAM).