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Architectural view – HP Vectra VL 5/xxx Series 5 User Manual

Page 21

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21

2 System Board

Architectural View

Architectural View

Level-

Two

Cache

Main

Memory

Hard

disk

Pentium

Processor

82371 SB

PCI/ISA Bridge (PIIX3)

Processor-Local Bus
(64 bit, 60/66 MHz)

PCI Bus

(32 bit, 30/33 MHz)

ISA Bus

(16 bit, 7.5/8.33 MHz)

2✕IDE

controller

Interrupt

controller

Graphics

Controller

System

ROM

Flexible

disk

Serial

EEPROM

Little Ben

(HP ASIC)

PCI bus

interface

DMA

controller

ISA bus

interface

2✕USB

controller

37C932

Super I/O

FDD

Controller

Keyboard

controller

Parallel

controller

Mouse

controller

ISA bus

interface

2✕serial

controller

82439 HX

PL/PCI Bridge (TXC)

Memory

controller

PL bus

interface

Data path

PCI bus

interface

Cache

controller