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Chapter 1 - System Introduction
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1.1.2 System Architecture
The system bus, PCI buses, EISA bus, PCI bridge (PB), memory controller (MC),
PCI/EISA Bridge (PCEB), and EISA system controller (ESC) comprise the basic
system architecture.
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Pentium Pro CPU 1
256 Cache
Pentium Pro CPU 2
256 Cache
64-bit Pentium Pro MP Bus
PCI Bridge
(PB)
PCI Bridge
(PB)
DC/DP/MIC
PCI Bus 1 132MB/s PCI Bus 2 132MB/s
PCI/EISA Bridge
(PCEB/ESC)
1 2 3 4 5 6
PCI Slots
APIC Bus
1 2 3
EISA Slots
EISA Bus 32MB/s
4-way Interleave ECC Memory
SIMM * 16
7 6 5 4
3 2 1 0
Figure 1-2 System Architecture