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The cPCI-MXS64 is not only a matter of computation power. The boards also provide a
high capability to interface with peripherals through three integrated chips:
Host-to-PCI bridge for. 443BX from Intel: interface with the processor (host),
system memory, video controller, and Primary PCI bus (3.3V / 33MHz).
PCI-to-PCI bridge - 21154 from Intel: manage the PCI bus signals on J1 and J2
cPCI connectors. When used with a CompactPCI backplane drives seven cPCI
slots.
PCI-to-ISA bridge - 82371AB PIIX4 from Intel: interface the ISA bus to the
Primary PCI bus.
3.2.2 Mobile Pentium
The cPCI-MXS64 system board supports the Intel's Low Power 500 & 700MHz Pentium
III processor (Higher clock speeds will be available when Intel will release the
corresponding parts).
®
It consists of a Pentium
III processor core with an integrated second level cache of 256KB
(on-die, full CPU speed, ECC capable) and a 64-bit high performance 100MHz front side
bus
The processor interfaces to the 440BX AGPset through the 64-bit low power GTL + data
bus interface.
3.2.3 North Bridge Chipset
This chipset consist of 443BX AGPset, 64/72-bit SDRAM data interface with ECC
support, Low Power GTL Bus, five PCI arbitration channels, PCI bus rev. 2.1, Accelerated
Graphics Port Interface (AGP). The bus is optimized for 100MHz operation.
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®
II / III Processor
3-9
Installing the Board
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