Supermicro H8SCM-F User manual

H8SCM

H8SCM-F

USER’S MANUAL

Revision 1.1a

®

SUPER

The information in this User’s Manual has been carefully reviewed and is believed to be accurate.

The vendor assumes no responsibility for any inaccuracies that may be contained in this document,

makes no commitment to update or to keep current the information in this manual, or to notify any

person or organization of the updates. Please Note: For the most up-to-date version of this

manual, please see our web site at www.supermicro.com.

Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product

described in this manual at any time and without notice. This product, including software and

documentation, is the property of Supermicro and/or its licensors, and is supplied only under a

license. Any use or reproduction of this product is not allowed, except as expressly permitted by

the terms of said license.

IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,

SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO

USE THIS PRODUCT OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF

SUCH DAMAGES. IN PARTICULAR, SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY

HARDWARE, SOFTWARE, OR DATA STORED OR USED WITH THE PRODUCT, INCLUDING THE

COSTS OF REPAIRING, REPLACING, INTEGRATING, INSTALLING OR RECOVERING SUCH

HARDWARE, SOFTWARE, OR DATA.

Any disputes arising between manufacturer and customer shall be governed by the laws of Santa

Clara County in the State of California, USA. The State of California, County of Santa Clara shall

be the exclusive venue for the resolution of any such disputes. Super Micro's total liability for all

claims will not exceed the price paid for the hardware product.

FCC Statement: This equipment has been tested and found to comply with the limits for a Class

A digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio frequency energy and, if not

installed and used in accordance with the manufacturer’s instruction manual, may cause harmful

interference with radio communications. Operation of this equipment in a residential area is likely

to cause harmful interference, in which case you will be required to correct the interference at your

own expense.

California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate

warning applies only to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate

Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate”

WARNING: Handling of lead solder materials used in this

product may expose you to lead, a chemical known to

the State of California to cause birth defects and other

reproductive harm.

Manual Revision 1.1a

Release Date: March 28, 2012

Unless you request and receive written permission from SUPER MICRO COMPUTER, you may

not copy any part of this document.

Information in this document is subject to change without notice. Other products and companies

referred to herein are trademarks or registered trademarks of their respective companies or mark

holders.

Printed in the United States of America

Preface

iii

Preface

About This Manual

This manual is written for system integrators, PC technicians and

knowledgeable PC users. It provides information for the installation and use of the

H8SCM(-F) serverboard.

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

supports one AMD Socket C32 type processor with up to 32 GB of ECC/Non-ECC

UDIMM or up to 64 GB of ECC RDIMM SDRAM memory. The H8SCM serverboard

does not have IPMI capability, whereas the H8SCM-F serverboard does.

Please refer to the motherboard speciﬁ cations pages on our web site for updates on

supported processors (http://www.supermicro.com/aplus/). This product is intended

to be professionally installed.

Manual Organization

Chapter 1 includes a checklist of what should be included in your motherboard

box, describes the features, speciﬁ cations and performance of the motherboard

and provides detailed information about the chipset.

Chapter 2 begins with instructions on handling static-sensitive devices. Read this

chapter when installing the processor(s) and memory modules and when installing

the motherboard in a chassis. Also refer to this chapter to connect the hard disk

drives, the various ports, and the power and reset buttons and the system LEDs.

If you encounter any problems, see Chapter 3, which describes troubleshooting

procedures for the video, the memory and the setup conﬁ guration stored in CMOS.

For quick reference, a general FAQ (Frequently Asked Questions) section is

provided. Instructions are also included for contacting technical support. In addition,

you can visit our web site for more detailed information.

Chapter 4 includes an introduction to BIOS and provides detailed information on

running the CMOS Setup utility.

Appendix A provides BIOS Error Beep Code Messages.

Appendix B lists BIOS POST Checkpoint Codes.

iv

H8SCM(-F) Serverboard User’s Manual

Notes

v

Table of Contents

Chapter 1 Introduction

1-1 Overview .........................................................................................................1-1

Checklist ..........................................................................................................1-1

1-2 Contacting Supermicro ....................................................................................1-2

H8SCM(-F) Quick Reference .......................................................................... 1-5

1-3 Chipset Overview ............................................................................................1-9

AMD SR5650/SP5100 Chipset .......................................................................1-9

HyperTransport Technology ............................................................................1-9

1-4 PC Health Monitoring ......................................................................................1-9

1-5 Power Conﬁ guration Settings........................................................................ 1-10

1-6 Power Supply .................................................................................................1-11

1-7 Super I/O .......................................................................................................1-12

Chapter 2 Installation

2-1 Static-Sensitive Devices ..................................................................................2-1

Precautions ..................................................................................................... 2-1

Unpacking ....................................................................................................... 2-1

2-2 Processor and Heatsink Installation................................................................2-2

2-3 Mounting the Motherboard into a Chassis ......................................................2-4

2-4 Installing Memory ............................................................................................2-4

DIMM Module Population Conﬁ guration ....................................................2-6

2-5 PCI Expansion Cards ...................................................................................... 2-7

2-6 I/O Port and Control Panel Connections ........................................................ 2-8

Front Control Panel .........................................................................................2-8

2-7 Connector Deﬁ nitions .....................................................................................2-9

Power Connectors ..................................................................................... 2-9

PW_ON Connector ..................................................................................... 2-9

Reset Connector ........................................................................................ 2-9

Overheat/Fan Fail LED (OH)......................................................................2-9

NIC2 (LAN2) LED ..................................................................................... 2-10

NIC1 (LAN1) LED ..................................................................................... 2-10

HDD LED ..................................................................................................2-10

Power On LED ......................................................................................... 2-10

NMI Button ............................................................................................... 2-10

LAN1/2 (Ethernet Ports) ...........................................................................2-10

Universal Serial Bus Ports ........................................................................2-11

USB Headers ............................................................................................2-11

Table of Contents

vi

Fan Headers ..............................................................................................2-11

Serial Ports ................................................................................................2-11

SGPIO ......................................................................................................2-12

Chassis Intrusion .....................................................................................2-12

Overheat LED ...........................................................................................2-12

Wake-On-LAN .......................................................................................... 2-12

Power I2C .................................................................................................2-12

ATX PS/2 Keyboard and PS/2 Mouse Ports ............................................ 2-13

Power LED/Speaker .................................................................................2-13

JIPMB (H8SCM-F only) ............................................................................ 2-13

Compact Flash Card PWR Connector .....................................................2-13

Video Connector .......................................................................................2-14

2-8 Jumper Settings ............................................................................................2-14

Explanation of Jumpers ................................................................................2-14

CMOS Clear .............................................................................................2-14

LAN1/2 Enable/Disable ........................................................................... 2-15

VGA Enable/Disable ................................................................................. 2-15

Compact Flash Master/Slave Select ........................................................ 2-15

Watch Dog Enable/Disable ...................................................................... 2-15

Onboard Speaker Enable/Disable ............................................................ 2-16

I2C to PCI-Express Slot ........................................................................... 2-16

BMC Jumper ............................................................................................ 2-16

2-9 Onboard Indicators ........................................................................................2-17

LAN1/LAN2 LEDs ..................................................................................... 2-17

Dedicated IPMI LAN LEDs

(H8SCM-F only) ....................................................................................... 2-17

BMC Heartbeat LED ................................................................................2-17

Power LED ............................................................................................... 2-17

2-10 IDE and SATA Drive Connections .................................................................2-18

IDE Connector ..........................................................................................2-18

SATA Ports ............................................................................................... 2-18

2-11 Enabling SATA RAID ..................................................................................... 2-19

Serial ATA (SATA)..........................................................................................2-19

Installing the OS/SATA Driver .......................................................................2-19

Building a Driver Diskette ......................................................................... 2-19

Enabling SATA RAID in the BIOS .................................................................2-20

Using the Adaptec RAID Utility .....................................................................2-21

Installing the RAID Driver During OS Installation .........................................2-21

2-12 Installing Drivers ............................................................................................2-22

H8SCM(-F) Serverboard User’s Manual

Table of Contents

vii

Supero Doctor III ...........................................................................................2-23

Chapter 3 Troubleshooting

3-1 Troubleshooting Procedures ........................................................................... 3-1

Before Power On ............................................................................................ 3-1

No Power ........................................................................................................ 3-1

No Video ......................................................................................................... 3-2

Memory Errors ............................................................................................... 3-2

Losing the System’s Setup Conﬁ guration ....................................................... 3-2

3-2 Technical Support Procedures ........................................................................ 3-3

3-3 Frequently Asked Questions ........................................................................... 3-3

3-4 Returning Merchandise for Service.................................................................3-4

Chapter 4 BIOS

4-1 Introduction ......................................................................................................4-1

4-2 Main Menu ...................................................................................................... 4-2

4-3 Advanced Settings Menu ................................................................................ 4-2

4-3 Security Menu ...............................................................................................4-14

4-4 Boot Menu ..................................................................................................... 4-14

4-5 Exit Menu ......................................................................................................4-15

Appendix A BIOS Error Beep Codes

Appendix B BIOS POST Checkpoint Codes

B-1 Uncompressed Initialization Codes .................................................................B-1

B-2 Bootblock Recovery Codes .............................................................................B-2

B-3 Uncompressed Initialization Codes .................................................................B-3

Notes

viii

H8SCM(-F) Serverboard User’s Manual

Chapter 1: Introduction

1-1

Chapter 1

Introduction

1-1 Overview

Checklist

Congratulations on purchasing your computer motherboard from an acknowledged

leader in the industry. Supermicro boards are designed with the utmost attention to

detail to provide you with the highest standards in quality and performance.

Please check that the following items have all been included with your motherboard.

If anything listed here is damaged or missing, contact your retailer.

• One (1) H8SCM(-F) serverboard

• One (1) I/O shield (MCP-260-00027-0N)

• One (1) Retention bracket (BKT-0012L)

• One (1) 9-pin serial port cable (CBL-0010L)

• One (1) ATA 66/100 IDE LP cable (CBL-0036L-03)

• Six (6) 2ft. Amphenol, SATA cable (CBL-0044L)

• One (1) CD containing drivers and utilities

1-2

H8SCM(-F) Serverboard User’s Manual

1-2 Contacting Supermicro

Headquarters

Address: Super Micro Computer, Inc.

980 Rock Ave.

San Jose, CA 95131 U.S.A.

Tel: +1 (408) 503-8000

Fax: +1 (408) 503-8008

Email: [email protected] (General Information)

[email protected] (Technical Support)

Web Site: www.supermicro.com

Europe

Address: Super Micro Computer B.V.

Het Sterrenbeeld 28, 5215 ML

's-Hertogenbosch, The Netherlands

Tel: +31 (0) 73-6400390

Fax: +31 (0) 73-6416525

Email: [email protected] (General Information)

[email protected] (Technical Support)

[email protected] (Customer Support)

Asia-Paciﬁ c

Address: Super Micro Computer, Inc.

4F, No. 232-1, Liancheng Rd.

Chung-Ho 235, Taipei County

Taiwan, R.O.C.

Tel: +886-(2) 8226-3990

Fax: +886-(2) 8226-3991

Web Site: www.supermicro.com.tw

Technical Support:

Email: [email protected]

Tel: +886-(2) 8226-5990

Chapter 1: Introduction

1-3

Figure 1-1. H8SCM(-F) Image

1-4

H8SCM(-F) Serverboard User’s Manual

Notes:

Jumpers not indicated are for test purposes only.

Not all ports, jumpers or LED Indicators are available on all serverboards.

Figure 1-2. H8SCM(-F) Motherboard Layout

(not drawn to scale)

JD1

FAN4 FAN3

FAN2

FAN5

SATA0 SATA1

SATA2 SATA3

SATA4 SATA5

JWF1

JPW1

JF1

JPW2

JPI2C1

JIPMB

JWOL1

JCF1

JL1

JOH1

JWD1

JPG1

JPL2

JPL1

JBT1

DP2

DP1

IPMI_LAN

CPU

FAN1

DIMM2B

DIMM2A

DIMM1B

DIMM1A

T-SGPIO1

T-SGPIO2

IDE#1

CPU

USB6

SLOT7 PCI-E 2.0 X8 / X16 (IN X16)

SLOT6 PCI-E 2.0 X8

USB4/5

USB2/3

SLOT4 PCI 33MHz

LAN2

LAN1

COM2

BATTERY

COM1

VGA

USB0/1

KB/Mouse

SLOT5 PCI-E 2.0 X4 (in X8)

BMC

AMD

SR5650

AMD

SP5100

JI2C1

JI2C2

JPB1

Chapter 1: Introduction

1-5

H8SCM(-F) Quick Reference

Jumper Description Default Setting

JBT1 CMOS Clear (See Section 2-7)

JCF1 Compact Flash Master/Slave Closed (Master)

JI2C1/JI2C2 I2C to PCI-E Slot Enable/Disable Both Closed (Enabled)

JPB1 BMC Enable/Disable Pins 1-2 (Enabled)

JPG1 VGA Enable/Disable Pins 1-2 (Enabled)

JPL1 LAN 1 Enable/Disable Pins 1-2 (Enabled)

JPL2 LAN 2 Enable/Disable Pins 1-2 (Enabled)

JWD1 Watch Dog Pins 1-2 (Reset)

LED Description

LAN Ports LEDs for the LAN Ethernet ports

Dedicated IPMI LAN (H8SCM-F only) LEDs for the dedicated IPMI LAN Ethernet port (H8SCM-F only)

DP1 LED for BMC Heartbeat

DP2 LED for Serverboard Power-On

Connector Description

COM1/COM2 COM1 Serial Port/Header

FAN 1-5 Chassis/CPU Fan Headers

IDE#1 IDE Disk Drive Connector

IPMI LAN (H8SCM-F only) Dedicated IPMI LAN Port (H8SCM-F only)

JD1 Speaker Header

JF1 Front Panel Connector

JL1 Chassis Intrusion Header

JOH1 Overheat Warning Header

JIPMB (H8SCM-F only) System Management Bus Header for the IPMI Slot

JPI2C1 Power I

2

C Header

JPW1 24-pin Main ATX Power Connector

JPW2 +12V 8-pin CPU Power Connectors

JWF1 Compact Flash Card Power Connector

JWOL1 Wake-On-LAN Header

LAN1/2 Gigabit Ethernet (RJ45) Ports

PS2 Mouse/Keyboard PS2 Mouse/Keyboard connectors

SATA0 ~ SATA5 SATA Ports

T-SGPIO-1/TSGPIO-2 Serial General Purpose Input/Output Header for SATA

USB0/1, USB2/3, USB4/5, USB6 Universal Serial Bus (USB) Ports, Headers and Type-A Port

VGA VGA Connector

1-6

H8SCM(-F) Serverboard User’s Manual

Motherboard Features

CPU

• Single AMD Opteron 4000 series (AMD Socket C32 type) processor

Note: Refer to our web site for details on supported processors.

Memory

• Four (4) single and dual channel DIMM slots support up to 32 GB of ECC/

Non-ECC UDIMM or up to 64 GB of ECC RDIMM DDR3-1600/1333/1066 in

1 GB, 2 GB, 4 GB, 8 GB or 16 GB size of 1.5V or 1.35V voltages.

Note: Refer to Section 2-4 before installing memory and our web site for recommended DIMMs.

Chipset

• AMD SR5650 chipset and one SP5100 Southbridge chipset

Expansion Slots

• One (1) PCI-Express x8 (in x16 slot) Gen. 2

• One (1) PCI-Express x8 Gen. 2

• One (1) PCI-Express x4 (in x8 slot) Gen. 2

• One (1) PCI slot

BIOS

• 16 Mb AMIBIOS

®

SPI Flash ROM

• APM 1.2, DMI 2.3, PCI 2.2, ACPI 1.0 (ACPI 2.0 is BIOS supported), SMBIOS

2.3, Real Time Clock Wakeup, Plug and Play (PnP), BIOS resume hot keys,

Hardware BIOS Virus Protection

PC Health Monitoring

• Onboard voltage monitors

• Fan status monitor with ﬁ rmware/software on/off and speed control

• Watch Dog

• Environmental temperature monitoring via BIOS

• Power-up mode control for recovery from AC power loss

• System resource alert (via included utility program)

• Auto-switching voltage regulator for the CPU core

• CPU thermal trip support

• I

2

C temperature sensing logic

• Chipkill Support

Chapter 1: Introduction

1-7

ACPI Features

• Microsoft OnNow

• Slow blinking LED for suspend state indicator

• BIOS support for USB keyboard

• Wake-On-LAN (WOL)

Onboard I/O

• Six (6) SATA ports supported by an on-chip SATA controller (RAID 0, 1, 10

supported)

• Seven (7) USB (Universal Serial Bus 2.0) ports (2x rear, 4x header,

1x type A)

• Two (2) LAN ports supported by two onboard Intel® 82574L Ethernet controllers

for 10/100/1000Base-T

• One (1) dedicated IPMI LAN port (H8SCM-F only)

• One (1) VGA port supported by an onboard Matrox

®

G200 graphics controller

(with 16 MB DDR2 memory)

• One (1) UDMA IDE 133/100 connector

• Two COM Ports (one external serial port, one Fast UART 16550 port)

Other

• Onboard power LED

• Chassis intrusion detection

CD Utilities

• BIOS ﬂ ash upgrade utility

• Super Doctor III

• IPMI 1.5 / 2.0

Dimensions

• Micro-ATX form: 9.6" x 8.6" (244 x 218 mm)

1-8

H8SCM(-F) Serverboard User’s Manual

DIMM A0

DIMM A1

CPU1

HT3 Link

16/16-2.6 GHz

DIMM B0

DIMM B1

PCI-E GEN2 X8

Slot4 PCIE x8/x16

IDE (ATA/133)

SA

TA x6

PCI-E GEN2 X8

Slot3 x8

PCI-E GEN2 x1

INTEL

82574L

RJ45

A-Link

SP5100

BMC

VGA

WPCM450-R

PCI

LPC

SMBus

SIO

W83527HG

HWM

W83795G

SPI Flash

KB/MS

COM2

RMII

DDR2 SDRAM

64MB X16

PSU I2C

IPMB

FE PHY

RTL8201N

VGA

RJ45

Clock Gen

TPM

SR5650

COM1

RJ45

INTEL

82574L

PCI SLOT1

PCI-E GEN2 X4

Slot2

SWITCH

PCI-E GEN2 x1

7xUSB

Figure 1-3. AMD SR5650/SP5100 Chipset:

System Block Diagram

Note: This is a general block diagram and may not exactly represent

the features on your motherboard. See the previous pages for the

actual speciﬁ cations of your motherboard.

Chapter 1: Introduction

1-9

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 Chipset

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 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.

1-10

H8SCM(-F) Serverboard User’s Manual

CPU Overheat/Fan Fail LED and Control

This feature is available when the user enables the CPU overheat/Fan Fail warning

function in the BIOS. This allows the user to deﬁ ne an overheat temperature. When

this temperature is exceeded or when a fan failure occurs, the Overheat/Fan Fail

warning LED is triggered.

Auto-Switching Voltage Regulator for the CPU Core

The 5-phase-switching voltage regulator for the CPU core can support up to

AMD Opteron 4000 series processors and auto-sense voltage IDs ranging from 0.8

V to 1.55V. This will allow the regulator to run cooler and thus make the system

more stable.

1-5 Power Conﬁ guration Settings

This section describes the features of your motherboard that deal with power and

power settings.

Microsoft OnNow

The OnNow design initiative is a comprehensive, system-wide approach to system

and device power control. OnNow is a term for a PC that is always on but appears

to be off and responds immediately to user or other requests.

Slow Blinking LED for Suspend-State Indicator

When the CPU goes into a suspend state, the chassis power LED will start blinking

to indicate that the CPU is in suspend mode. When the user presses any key, the

CPU will wake-up and the LED will automatically stop blinking and remain on.

BIOS Support for USB Keyboard

If a USB keyboard is the only keyboard in the system, it will function like a normal

keyboard during system boot-up.

Note: To wake up the system from an S4 state by the USB keyboard/mouse, please

connect the keyboard/mouse to USB port 0/1 at the rear I/O side.

Chapter 1: Introduction

1-11

Main Switch Override Mechanism

The power button can function as a system suspend button. When the user

depresses the power button, the system will enter a SoftOff state. The monitor

will be suspended and the hard drive will spin down. Depressing the power button

again will cause the whole system to wake-up. During the SoftOff state, the power

supply provides power to keep the required circuitry in the system alive. In case the

system malfunctions and you want to turn off the power, just depress and hold the

power button for 4 seconds. The power will turn off and no power will be provided

to the motherboard.

Wake-On-LAN (WOL)

Wake-On-LAN is deﬁ ned as the ability of a management application to remotely

power up a computer that is powered off. Remote PC setup, up-dates and access

tracking can occur after hours and on weekends so that daily LAN trafﬁ c is kept

to a minimum and users are not interrupted. The motherboard has a 3-pin header

(WOL) to connect to the 3-pin header on a Network Interface Card (NIC) that has

WOL capability. Wake-On-LAN must be enabled in BIOS.

1-6 Power Supply

As with all computer products, a stable power source is necessary for proper and

reliable operation. It is even more important for processors that have high CPU

clock rates.

The H8SCM(-F) serverboard requires the use of proprietary power supplies. Please

refer to the pinout information for the power connectors in Section 7 of Chapter 2

for detailed information on power requirements.

In areas where noisy power transmission is present, you may choose to install a

line ﬁ lter to shield the computer from noise. It is recommended that you also install

a power surge protector to help avoid problems caused by power surges.

Warning: To prevent the possibility of explosion, do not use the wrong type of

onboard CMOS battery or install it upside down.

1-12

H8SCM(-F) Serverboard User’s Manual

1-7 Super I/O

The disk drive adapter functions of the Super I/O Winbond® BMC chip includes a

data separator, write pre-compensation circuitry, decode logic, data rate selection,

a clock generator, drive interface control logic and interrupt and DMA logic. The

wide range of functions integrated onto the Super I/O greatly reduces the number

of components required for interfacing with ﬂ oppy disk drives.

The Super I/O provides two high-speed, 16550 compatible serial communication

ports (UARTs), one of which supports serial infrared communication. Each UART

includes a 16-byte send/receive FIFO, a programmable baud rate generator,

complete modem control capability and a processor interrupt system. Both UARTs

provide legacy speed with baud rate of up to 115.2 Kbps as well as an advanced

speed with baud rates of 250 K, 500 K, or 1 Mb/s, which support higher speed

modems.

The Super I/O provides functions that comply with ACPI (Advanced Conﬁ guration

and Power Interface), which includes support of legacy and ACPI power management

through a SMI or SCI function pin. It also features auto power management to reduce

power consumption.

The IRQs, DMAs and I/O space resources of the Super I/O can be ﬂ exibly adjusted

to meet ISA PnP requirements, which support ACPI and APM (Advanced Power

Management).

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