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Chapter 1: Introduction

1.1 An Overview of the WPCM 450 BMC

Controller

The Nuvoton WPCM450 Controller, a Baseboard Management Controller

(BMC),

supports2D/VGA‐compatibleGraphicCoreswithPCIinterface,creating

multi‐media

virtualizationviaKeyboard/Video/MouseRedirectio n(KVMR).TheWPCM450

Con

troller is

idealfornetworking

management.



The WPCM450 Controller interfaces with the host system via PCI connections

to

communicatewithGraph iccores.ItsupportsUSB2.0and1.1forremote

keyboard/

mouse/virtualmediaem ul ation.ItalsoprovidesLPCinterfacesupportto

control

Super IO

functions. The WPCM450 Controller is connected tothe network  via

an

external

Ethernet PHYmodule or shared NCSI

connections.



TheWPCM450communicateswithonboardcomponentsviasixSMBus

interfaces,

PECI

(PlatformEnvironmentContro lInterface)buses,andGeneralPurpose

I/Oports.



1.1.1 WPCM450 DDR2 Memory

Interface

TheWPCM450supports16‐bitDDR2memorywithaspeedofupto220MHz.

The

motherboardsupports128MBofsharedmemorybetweentheBMCand

onboard

graphicscard.Forbestsignalintegrity,theWPCM450providespoint‐to‐point

connections.



1.1.2 WPCM450 PCI System

Interface

TheWPCM450providesthe32‐bit,33MHz3.3VPCIinterface,whichis

compliant

with

thePCI Local Bus Specification Rev. 2.3.The  PCIsystem interface

connects

tothe

onboard PCI Bridge used by the  graphi cs 

controller.



1.1.3 Other Features Supported by the WPCM BMC

Controller

TheWPCM450 supports the following 

features:



o IPMI

2.0

o Serial over

LAN

o KVM over

LAN

o LAN Alerting-SNMP

Trap

o Event

Log

o X-Bus parallel interface for I/O

expansion

o Multiple ADC inputs, Analog and Digital Video

outputs

o Two serial ports

(optional)

o DDR2 SDRAM memory for frame-buffer, firmware support and data

storage

o SPI Flash Host BIOS and firmware bootstrap program

supported

o Reduced Media Independent Interface

(RMII)

o OS (Operating System)

Independency

o Provides remote Hardware Health Monitoring via IPMI. Key features

include

the

following:



Tem pe r a t ur e  monitoring



Fan speed monitoring

1 2 3 4 5 6 7 8 9 10 11 12 ... 58 59

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