System Overview

2.3.3 Support Components

Input/output functions not provided by the chipset are handled by other support components. Some of these components also provide “housekeeping” and various other functions as well. Table 2-3 shows the functions provided by the support components.

Table 2-3

Support Component Functions

Component Name

Function

 

 

WPCD376H SIO Controller

Keyboard and pointing device I/F

 

Serial I/F (COM1and COM2) [1]

 

Parallel I/F (LPT1, LPT2, or LPT3) [2]

 

PCI reset generation

 

Interrupt (IRQ) serializer

 

Power button and front panel LED logic

 

GPIO ports

 

Processor over temperature monitoring

 

Fan control and monitoring

 

Power supply voltage monitoring

 

SMBus and Low Pin Count (LPC) bus I/F

 

 

Intel 82578LM Network Interface

10/100/1000 Fast Ethernet network interface controller.

Controller

 

 

 

ALC261 HD Audio Codec

Audio mixer

 

Two digital-to-analog stereo converters

 

Two analog-to-digital stereo converters

 

Analog I/O

 

Supports stereo (two-channel) audio streams

NOTE:

[1]COM2 requires external bracket/cable assembly.

[2]Requires external bracket/cable assembly.

2.3.4System Memory

These systems implement a dual-channel Double Data Rate (DDR3) memory architecture. All models support DDR3 1333-, 1066, and 800-MHz memory modules and provide four UDIMM sockets and support a total of 16 gigabytes of memory.

 

Technical Reference Guide

www.hp.com

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HP 8100 manual Support Components, System Memory, Support Component Functions, Component Name Function

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