Supermicro H8SCM-F User Manual download pdf (Page 17)

Chapter 1: Introduction

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1-3 Chipset Overview

The H8SCM(-F) serverboard is based on the AMD SR5650/SP5100 chipset. This

chipset functions as a Media and Communications Processor (MCP). Controllers for

the system memory are integrated directly into AMD Opteron processors.

AMD SR5650/SP5100 Processor

The AMDSR5650/SP5100 are each a single-chip, high-performance HyperTransport

peripheral controller. It includes a 22-lane PCI Express interface, an AMD Opteron

16-bit Hyper Transport interface link, a six-port Serial ATA interface, a dual-port Gb

Ethernet interface and a seven-port USB 2.0 interface. This hub connects directly

to the CPU.

HyperTransport Technology

HyperTransport technology is a high-speed, low latency point to point link that was

designed to increase the communication speed by a factor of up to 48x between

integrated circuits. This is done partly by reducing the number of buses in the

chipset to reduce bottlenecks and by enabling a more efﬁ cient use of memory

in multi-processor systems. The end result is a signiﬁ cant increase in bandwidth

within the chipset.

1-4 PC Health Monitoring

This section describes the PC health monitoring features of the H8SCM(-F)

serverboard. The serverboard has an onboard System Hardware Monitor chip that

supports PC health monitoring.

Onboard Voltage Monitors

The onboard voltage monitor will continuously scan crucial voltage levels. Once

a voltage becomes unstable, it will give a warning or send an error message to

the screen. Users can adjust the voltage thresholds to deﬁ ne the sensitivity of the

voltage monitor. Real time readings of these voltage levels are all displayed in

BIOS.

Fan Status Monitor with Firmware/Software Speed Control

The PC health monitor can check the RPM status of the cooling fans. The onboard

fans are controlled by thermal management via BIOS.

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Supermicro H8SCM-F User Manual Page 17