1 Introduction
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
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Introduction
1.1 An Overview of the WPCM450 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 Redirection (KVMR). The WPCM450 Controller is ideal for
networking management.
The WPCM450 Controller interfaces with the host system via PCI connections to
communicate with Graphic cores. It supports USB 2.0 and 1.1 for remote keyboard/
mouse/virtual media emulation. 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 Control Interface) buses, and General Purpose I/O ports.
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.
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 graphics controller.
Other Features Supported by the WPCM BMC Controller
The WPCM450 supports the following features:
IPMI 2.0
Serial over LAN
KVM over LAN
LAN Alerting-SNMP Trap
Event Log
X-Bus parallel interface for I/O expansion
User Guide
Issue 04 (2014-09-15)
RH2488 V2 BMC
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