4 block diagram – Premio Computer Apollo/Shadowhawk User Manual

Page 39

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Intel Desktop Board D845HV/D845WN Technical Product Specification

16

1.2.4

Block Diagram

Figure 3 is a block diagram of the major functional areas of the D845HV and D845WN boards.

D845WN

Only

845 Chipset

82801BA

I/O Controller Hub

(ICH2)

82845 Memory

Controller Hub

(MCH)

82802AB 4 Mbit

Firmware Hub

(FWH)

AHA

Bus

System Bus

(400 MHz)

mPGA478

Processor Socket

Primary/

Secondary IDE

Diskette Drive

Connector

LPC I/O

Controller

PS/2 Keyboard

PS/2 Mouse

Parallel Port

Serial Ports

UDMA 33 and

ATA-66/100

USB

LPC

Bus

Hardware

Monitor

(optional)

OM12274

Back Panel

USB Ports (2)

AD1885

Audio Codec

(optional)

Auxiliary Line In

Mic In

Line Out

CD-ROM

Line In

CNR

Connector

(optional)

LAN

Connector

(optional)

Physical

Layer

Interface

(optional)

PCI Slot 1

PCI Slot 2

PCI Slot 3

PCI Slot 4

PCI Slot 5

CSMA/CD

Unit Interface

DIMM Banks (3)

AGP

Interface

4X AGP

Connector

(1.5 V only)

= connector or socket

Telephony

PCI Bus

PCI Slot 6

SMBus

AC Link

USB

SDRAM

Bus

Back Panel

USB Ports (2)

Front Panel

USB Ports (2)

USB

USB

Infrared Port

Figure 3. Block Diagram

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