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Processor Board (MSMT329)
This section provides a functional diagram, memory subsystem description, address resources, and
board layout for the processor board. The MSMT329 provides the following functionality:
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Processors - two or four Pentium Pro 200 MHz, each with 512 kB L2 cache (InterServe) or 256 kB
L2 cache (StudioZ RAX)
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Intel Orion chipset - two PCI Bridge chips, Memory Controller, four Memory Interface chips.
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Memory - up to 4 GB using 32Mx36 SIMMs
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Flash EEPROM - contains Basic Input/Output System (BIOS)
Functional Diagram
OPB
82454
CPU
CPU
P6 Processor External Bus
PCI
Local Bus
CPU
GTL Bus
Term
GTL Bus
Term
VRM VRM
CPU
OPB
82454
MIC
Memory
OMC-DC
82453
OMC-DP
82452
VRM (Voltage Regulator Module)
CPU (Central Processing Unit, Pentium Pro)
OPB (Orion PCI Bridge)
OMC (Orion Memory Controller)
MIC (Memory Interface Chip)
VRM VRM
PCI
Local Bus