MSI MS-98L2 User Manual

MS-98L2

(v1.x) Industrial Computer Board

i

Preface MS-98L2

Copyright Notice

Copyright © Micro-Star Int’l Co., Ltd. All rights reserved. The MSI logo used is
a registered trademark of Micro-Star Int’l Co., Ltd. All other marks and names
mentioned may be trademarks of their respective owners. No warranty as to ac­curacy or completeness is expressed or implied. MSI reserves the right to make
changes to this document without prior notice.

Trademarks

All trademarks are the properties of their respective owners.

Revision History

Revision Date

V1.0 2019/03

Technical Support

If a problem arises with your system and no solution can be obtained from the
user’s manual, please contact your place of purchase or local distributor. Alter­natively, please visit the MSI website for technical guide, BIOS updates, driver
updates and other information, or contact our technical staff via http://www.msi.
com/support/

ii

Safety Instructions

• Always read the safety instructions carefully.

• Keep this User’s Manual for future reference.

• Keep this equipment away from humidity.

• Lay this equipment on a reliable flat surface before setting it up.

• The openings on the enclosure are for air convection hence protects the equip­ment from overheating. DO NOT COVER THE OPENINGS.

• Make sure the voltage of the power source and adjust properly 110/220V before
connecting the equipment to the power inlet.

• Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.

• Always Unplug the Power Cord before inserting any add-on card or module.

• All cautions and warnings on the equipment should be noted.

• Never pour any liquid into the opening that could damage or cause electrical
shock.

• If any of the following situations arises, get the equipment checked by service
personnel:

» The power cord or plug is damaged.

» Liquid has penetrated into the equipment.

» The equipment has been exposed to moisture.

» The equipment does not work well or you can not get it work according to

User’s Manual.

» The equipment has dropped and damaged.

» The equipment has obvious sign of breakage.

• DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT UNCONDITIONED,
STORAGE TEMPERATURE ABOVE 60
MENT.

o

C (140oF), IT MAY DAMAGE THE EQUIP-

iii

Preface MS-98L2

Chemical Substances Information

In compliance with chemical substances regulations, such as the EU REACH Reg­ulation (Regulation EC No. 1907/2006 of the European Parliament and the Coun­cil), MSI provides the information of chemical substances in products at:

http://www.msi.com/html/popup/csr/evmtprtt_pcm.html

Battery Information

European Union:
Batteries, battery packs, and accumulators should not be

disposed of as unsorted household waste. Please use the
public collection system to return, recycle, or treat them in
compliance with the local regulations.

Taiwan:
For better environmental protection, waste batteries should

be collected separately for recycling or special disposal.

廢電池請回收

California, USA:
The button cell battery may contain perchlorate material

and requires special handling when recycled or disposed of
in California.

For further information please visit:
http://www.dtsc.ca.gov/hazardouswaste/perchlorate/

Danger of explosion if battery is incorrectly replaced. Replace only with the
same or equivalent type recommended by the manufacturer.

WEEE Statement

Under the European Union (“EU”) Directive on Waste Electrical and
Electronic Equipment, Directive 2002/96/EC, which takes effect on
August 13, 2005, products of “electrical and electronic equipment”
cannot be discarded as municipal waste anymore and manufacturers
of covered electronic equipment will be obligated to take back such
products at the end of their useful life.

iv

CE Conformity

Hereby, Micro-Star International CO., LTD declares that this device
is in compliance with the essential safety requirements and other
relevant provisions set out in the European Directive.

FCC-B Radio Frequency Interference Statement

This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reason­able protection against harmful interference in a residential
installation. This equipment generates, uses and can radi­ate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or tele­vision reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the
measures listed below:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.

• Consult the dealer or an experienced radio/television technician for

Notice 1

The changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

Notice 2

Shielded interface cables and AC power cord, if any, must be used in order to
comply with the emission limits.

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:

1. this device may not cause harmful interference, and

2. this device must accept any interference received, including interference that

help.

may cause undesired operation.

v

Preface MS-98L2

CONTENTS

Copyright Notice ............................................................................................... ii

Trademarks ......................................................................................................ii

Revision History ................................................................................................ii

Technical Support .............................................................................................ii

Safety Instructions ..........................................................................................iii

Chemical Substances Information ..................................................................iv

Battery Information ......................................................................................... iv

WEEE Statement ............................................................................................. iv

CE Conformity .................................................................................................. v

FCC-B Radio Frequency Interference Statement ............................................v

1 Overview �������������������������������������������������������������������������������������1-1

Motherboard Specifications ......................................................................... 1-2

Motherboard Layout ..................................................................................... 1-5

2 Hardware Setup ��������������������������������������������������������������������������2-1

CPU (Central Processing Unit) ..................................................................... 2-4

Memory ......................................................................................................... 2-7

Power Supply ................................................................................................ 2-8

Rear Panel I/O .............................................................................................. 2-9

Connector ................................................................................................... 2-12

Jumper ....................................................................................................... 2-19

Slot .............................................................................................................. 2-21

3 BIOS Setup ����������������������������������������������������������������������������������3-1

Entering Setup.............................................................................................. 3-2

The Menu Bar ............................................................................................... 3-4

Main .............................................................................................................. 3-5

Advanced ...................................................................................................... 3-6

Boot ............................................................................................................ 3-11

Security ....................................................................................................... 3-12

Chipset ........................................................................................................ 3-18

Power .......................................................................................................... 3-19

Save & Exit.................................................................................................. 3-20

Appendix GPIO WDT Programming ������������������������������������������������ A-1

General Purposed IO – GPIO/DIO ................................................................. A-2

Set output value of GPO ...............................................................................A-2

Watchdog Timer – WDT ................................................................................A-3

SMBus Access .............................................................................................. A-4

vi

1 Overview

Thank you for choosing the MS-98L2, an excellent industrial
computer board.

Based on the innovative Intel
system efficiency, the MS-98L2 accommodates the Intel® Desk­top Coffee Lake-S processor and supports up to 4 DDR4 2666MHz
U-DIMM slots to provide the maximum of 64 GB memory capacity.

Designed to withstand harsh industrial conditions, the MS-98L2
is engineered to provide reliable performance for a wide variety of
industrial applications.

®

C246 / Q370 chipset for optimal

Overview MS-98L2

Motherboard Specifications

Processor

• 8th Gen Intel® Desktop Coffee Lake-S Core™ /Pentium® /Celeron® Series
Processor, Max 95W

Chipset

• SKU1: Intel® C246

• SKU2 & SKU3: Intel® Q370

Memory

• Dual channel DDR4, up to 2666MHz

• 4 x U-DIMM slots, up to 64GB

• SKU1: ECC, Non ECC supported

• SKU2 & SKU3: Non ECC supported

Network

• SKU1 & SKU2: 4 x LAN ports

» 1 x Intel® I219-LM GbE LAN PHY
» 3 x Intel® I210-AT GbE LAN (Co-lay I211-AT)

• SKU3: 2 x LAN ports

» 1 x Intel
» 1 x Intel® I210-AT GbE LAN (Co-lay I211-AT)

®

I219-LM GbE LAN PHY

Storage

• 4 x SATA 6Gb/s ports

• 1 x M.2 M Key slot

» Supports up to PCIe 3.0 x4 and SATA 6Gb/s
» PCIe x4 signal switchable with PCIe x4 slot2 (Either PCIe x4 (PCIE2)

signal or M.2 M Key (SATA & PCIe) signal is supported when both slots
are occupied.

» Supports 2242/ 2260 /22800 modules

• Supports SATA RAID 0, 1, 5, 10

Expansion Slot

• 1 x PCIe 3.0 x16 slot

• 3 x PCIe x4 slots

» PCIE2 slot signal switchable with M.2 M Key slot
» Only PCIE2 & PCIE4 support NVMe

• 1 x full-size Mini-PCIe slot

» Supports PCIe x1, USB2.0
» Supports Wi-Fi/Bluetooth modules

1-2

Internal I/O

• 1 x 8-pin power connector

• 1 x 24-pin power connector

• 3 x 4-pin System fan connectors

• 1 x 4-pin CPU fan connector

• 2 x USB 2.0 box headers (4 ports)

• 1 x USB 2.0 Vertical Type-A port

• 5 x RS-232 COM port connectors (COM2~COM6)

» SKU1 & SKU2: COM2 supports RS-232/422/485 with 0V/5V/12V Auto-flow

Control, COM3~6 RS-232, 0V/5V/12V
» SKU3: COM2~6 RS-232, 0V/5V/12V
» RS-485 support TR 1000 Meter

• 6 x COM port power jumpers

• 1 x Parallel port header

• 2 x GPIO headers

• 1 x Front panel header

• 1 x S/PDIF box header

• 1 x TPM header

• 1 x Front audio box header

• 1 x Keyboard/Mouse box header

• 1 x Chassis intrusion header

• 1 x Clear CMOS jumper

• 1 x AT/ATX select jumper

• 1 x PCIe option jumper

• 1 x ME jumper

• 1 x SMBus box header

• 1 x I2C box header

Rear I/O

• 1 x COM port (COM1)
» Supports RS-232/422/485 with Ring/0V/5V/12V Auto-flow Control
» RS-485 support TR 1000 Meter

• 1 x VGA port

• 1 x DisplayPort port

• 1 x HDMI port

• 4 or 2 x RJ45 LAN ports (SKU1 & SKU2: 4 x LAN ports, SKU3: 2 x LAN ports)

• 4 x USB 3.1 Gen2 Type-A ports

• 4 x USB 3.1 Gen1 Type-A ports

• 3 x Audio jacks (Line-In, Line-Out, Mic-In)

1-3

Overview MS-98L2

Graphics

• Integrated Intel® HD Graphics
» 1 x VGA (Max resolution 1920 x 1200 @ 60Hz)
» 1 x DisplayPort (Max resolution 4096 x 2304 @ 60Hz)
» 1 x HDMI (Max resolution 4096 x 2160 @ 24Hz)

Audio

• Realtek® ALC887/888S HD Audio Codec
» 1 x Front audio header
» 1 x S/PDIF connector
» 3 x Audio jacks (Line-In, Line-Out, Mic-In)

Environment

• Operating Temperature: -10 ~ 60oC

• Storage Temperature: -20 ~ 80oC

• Humidity: 10 ~ 90%, non-condensing

• RoHS: Compliant

Form Factor

• Micro-ATX: 244mmx244mm

Certification

• CE, FCC Class B, BSMI, RCM, VCCI

SKU Comparison

Features

PCH C246 Q370

LAN3 I210-AT N/A

LAN4 I210-AT N/A

COM

Memory ECC non-ECC

1-4

SKU1 SKU2 SKU3

2 x RS-232/422/485

4 x RS-232

1 x RS-232/422/485

5 x RS-232

Motherboard Layout

Rear I/O

Clear CMOS

Jumper

PCIe Slot

M�2 M KEY slot

Chassis Intrusion

Header

AT/ATX

Jumper

ME

Jumper

COM1

Jumper

S/PDIF

Connector

Front Audio
Box Header

Power

Connector

GPIO Box

Headers

System Fan

Connector

Box Header

USB 2�0

Box Headers

COM2

CPU Fan

Connector

COM 2~6
Jumpers

U-DIMM

Slots

COM3~6

Connector

System Fan

Connector

LPT

Connector

2

I

C Box

Header
SMBus Box

Header

Power
Connector

SPI
Connector

TPM box
header

USB 2�0
Connector

SATA
Ports

Front Panel
Box Header

Mini-PCIe
Slot

System Fan
Connector

1-5

Overview MS-98L2

SKU1 & SKU2 Rear I/O

COM Port

VGA Port

DisplayPort

HDMI Port

SKU3 Rear I/O

COM Port

VGA Port

DisplayPort

HDMI Port

RJ45 GbE LAN Ports

USB 3�1 Gen 2 Ports

RJ45 GbE LAN Ports

USB 3�1 Gen 2 Ports

Line-In

Line-Out

Mic-In

USB 3�1 Gen 1 Ports

Line-In

Line-Out

Mic-In

USB 3�1 Gen 1 Ports

1-6

2 Hardware Setup

This chapter provides you with the information about hardware
setup procedures. While doing the installation, be careful in
holding the components and follow the installation procedures.
For some components, if you install in the wrong orientation, the
components will not work properly.

Use a grounded wrist strap before handling computer compo­nents. Static electricity may damage the components.

2-2-1

Hardware Setup MS-98L2

Components Reference Guide

CPU (Central Processing Unit) ���������������������������������������������������������2-4

Introduction to LGA 115x CPU ...................................................................... 2-4

CPU Installation ........................................................................................... 2-5

Memory �������������������������������������������������������������������������������������������2-7

Dual-Channel Mode ..................................................................................... 2-7

Recommended Memory Population ............................................................. 2-7

Installing Memory Modules ......................................................................... 2-7

Power Supply �����������������������������������������������������������������������������������2-8

System Power Connector: JPWR1 ............................................................... 2-8

CPU Power Connector: JPWR2 .................................................................... 2-8

Rear Panel I/O ���������������������������������������������������������������������������������2-9
Connector ��������������������������������������������������������������������������������������2-12

Fan Power Connector: CPUFAN1, SYSFAN1~3 .......................................... 2-12

Dual Stacked SATA Connector: SATA1_2, SATA3_4 ................................... 2-12

Chassis Intrusion Header: JCASE4 ............................................................ 2-13

GPI Box Header: JGPIO1 ............................................................................ 2-13

GPO Box Header: JGPIO2 ........................................................................... 2-13

Front Panel Box Header: JFP1 ................................................................... 2-14

SMBus Box Header: JSMB1 ....................................................................... 2-14

2

I

C Box Header: JI2C1 ................................................................................ 2-14

RS232/422/485 COM Port Box Header: JCOM2 ......................................... 2-15

RS232 COM Port Header: JCOM3 (COM3~COM6 ) ..................................... 2-16

Parallel Port Box Header: JLPT1 ............................................................... 2-16

TPM Box Header: JTPM1............................................................................ 2-17

Front Audio Box Header: JAUD1 ................................................................ 2-17

S/PDIF Box Header: JSPDI1 ....................................................................... 2-17

USB 2.0 Box Header: JUSB1, JUSB2, ....................................................... 2-18

USB 2.0 Port: USB1 .................................................................................... 2-18

PS/2 Keyboard/Mouse Connector: JKBMS1 .............................................. 2-18

Jumper ������������������������������������������������������������������������������������������2-19

COM1 Power Jumper: JCOMP1 .................................................................. 2-19

JCOM2~JCOM6 Power Jumper: JCOMP2 ~ JCOMP6 ................................ 2-19

Clear CMOS Jumper: JCMOS1 ................................................................... 2-19

AT/ATX Jumper: JAT1 ................................................................................. 2-20

PCIe Option Jumper: J_CFG1 ..................................................................... 2-20

ME Jumper: ME_DIS1 ................................................................................ 2-20

2-2

Slot ������������������������������������������������������������������������������������������������2-21

PCIe (Peripheral Component Interconnect Express) Slot ......................... 2-21

M2_M1: M.2 Slot (Key M, 2280) for SSD ..................................................... 2-21

MINIPCIE1: Mini-PCIe Slot ......................................................................... 2-22

2-3

Hardware Setup MS-98L2

CPU (Central Processing Unit)

When installing the CPU, make sure that you install the cooler to prevent over­heating. If you do not have the CPU cooler, consult your dealer before turning on
the computer.

Important

Overheating

Overheating will seriously damage the CPU and system. Always make sure the cool­ing fan can work properly to protect the CPU from overheating. Make sure that you
apply an even layer of thermal paste (or thermal tape) between the CPU and the heat­sink to enhance heat dissipation.

Replacing the CPU

While replacing the CPU, always turn off the power supply or unplug the power sup­ply’s power cord from the grounded outlet first to ensure the safety of CPU.

Introduction to LGA 115x CPU

The surface of LGA 115x CPU. Remember to apply some thermal paste on
it for better heat dispersion.

2-4

Alignment Key

Yellow triangle is the
Pin 1 indicator

Alignment Key

CPU Installation

When you are installing the CPU, make sure the CPU has a cooler attached on
the top to prevent overheating. Meanwhile, do not forget to apply some thermal
paste on CPU before installing the heat sink/cooler fan for better heat dispersion.

1. Open the load lever and remove
the plastic cap.

3. After confirming the CPU direc­tion for correct mating, put down
the CPU in the socket housing
frame. Be sure to grasp on the
edge of the CPU base. Note that
the alignment keys are matched.

2. Lift the load lever up to fully open
position.

4. Engage the load lever while pressing
down lightly onto the load plate.

Alignment Key

Important

Visually inspect if the CPU is seated well into the socket. If not, take out the CPU with
pure vertical motion and reinstall.

2-5

Hardware Setup MS-98L2

5. Secure the load lever with the hook
under the retention tab.

7. Press the four hooks down to
fasten the cooler. Turn over the
motherboard to confirm that the
clip-ends are correctly inserted.

6. Make sure the four hooks are in
proper position before you install
the cooler. Align the holes on the
motherboard with the cooler.
Push down the cooler until its
four clips get wedged into the
holes of the motherboard.

8. Finally, attach the CPU Fan cable
to the CPU fan connector on the
motherboard.

Important

• Confirm if your CPU cooler is firmly installed before turning on your system.

• Do not touch the CPU socket pins to avoid damage.

• Whenever CPU is not installed, always protect your CPU socket pins with the
plastic cap covered.

• Please refer to the documentation in the CPU cooler package for more details
about the CPU cooler installation.

• Read the CPU status in BIOS.

2-6

Memory

Dual-Channel Mode

In Dual-Channel mode, make sure that you install memory modules of the same
type and density in different channel slots.

Recommended Memory Population

Number of U-DIMMs installed 1 2 3 4

DIMM1 (ch A) V V V V

DIMM2 (ch A) V V

DIMM3 (ch B) V V V

DIMM4 (ch B) V

Important

• "V" indicates a populated DIMM slot.

• Paired memory installation for Max performance.

• Populate the same DIMM type in each channel, specifically: 1. Use the same DIMM
size; 2. Use the same number of ranks per DIMM.

Installing Memory Modules

1. Unlock the DIMM slot by flipping open its side clips.

2. Vertically insert the DIMM into the slot. The DIMM has an off-center notch at
the bottom that will only allow it to fit one way into the slot. Push the DIMM
deeply into the slot. The side clips of the slot will automatically close when the
DIMM is properly seated and an audible click should be heard.

3. Manually check if the DIMM has been locked in place by the slot’s side clips.

Important

You can barely see the golden finger if the DIMM is properly inserted in the DIMM slot.

2-7

Hardware Setup MS-98L2

1.

4

Power Supply

System Power Connector: JPWR1

This connector allows you to connect a power supply. To connect to the power
supply, make sure the plug of the power supply is inserted in the proper orien­tation and the pins are aligned. Then push down the power supply firmly into the
connector.

CPU Power Connector: JPWR2

This connector is used to provide power to the CPU.

.G ro un d

3.

Gr ou nd

2. Gr ou nd
Gr ou nd

8. +1 2V

7. +1 2V

6. +1 2V

5. +1 2V

Important

• Make sure that all power connectors are connected to the power supply to ensure
stable operation of the motherboard.

• To avoid some issues like system instability, reset and shutdown caused by en-
ergy-insufficient power supply, we suggest you should follow Intel Power Supply
Design Guide Rev 1.4 list and Intel Document Number 595284 to choose your power
supply unit.

2-8

Rear Panel I/O

SKU1 & SKU2 Rear I/O

COM Port

DisplayPort

VGA Port HDMI Port

RJ45 GbE LAN Ports

USB 3�1 Gen 2 Ports USB 3�1 Gen 1 Ports

SKU3 Rear I/O

COM Port

DisplayPort

VGA Port HDMI Port

RJ45 GbE LAN Ports

USB 3�1 Gen 2 Ports USB 3�1 Gen 1 Ports

» VGA Port

The DB15-pin female connector is provided for monitor.

Line-In

Line-Out

Mic-In

Line-In

Line-Out

Mic-In

» DisplayPort

DisplayPort is a digital display interface standard. This connector is used to con­nect a monitor with DisplayPort inputs.

» HDMI Port

The High-Definition Multimedia Interface (HDMI) is an all-digital audio/video in­terface capable of transmitting uncompressed streams. HDMI supports all TV
format, including standard, enhanced, or high-definition video, plus multi-chan-

nel digital audio on a single cable.

2-9

Hardware Setup MS-98L2

» RS-232/422/485 Serial Port

The serial port is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. With Auto-Flow Control and RI Function Support, it supports bar­code scanners, barcode printers, bill printers, credit card machine, etc.

1 5

6 9

RS-232

PIN SIGNAL DESCRIPTION

1

NDCD

2

NSIN

3

NSOUT

4

NDTR

5

GND

6

NDSR

7

NRTS

8

NCTS

9

VCC

PIN SIGNAL DESCRIPTION

1

422 TXD-

2

422 TXD+

3

422 RXD+

4

422 RXD-

5

GND

6

NC

7

NC

8

NC

9

NC

Data Carrier Detect
Signal In
Signal Out
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
5V or 12V selected by jumper

RS-422

Transmit Data, Negative
Transmit Data, Positive
Receive Data, Positive
Receive Data, Negative
Signal Ground
No Connection
No Connection
No Connection
No Connection

2-10

RS-485

PIN SIGNAL DESCRIPTION

1

485 TXD-

2

485 TXD+

3

NC

4

NC

5

GND

6

NC

7

NC

8

NC

9

NC

Transmit Data, Negative
Transmit Data, Positive
No Connection
No Connection
Signal Ground
No Connection
No Connection
No Connection
No Connection

» RJ45 GbE LAN Port

The standard single RJ45 LAN jack is provided for connection to the Local Area
Network (LAN). You can connect a network cable to it.

LED LED Status Description

O󰀨 No link

Active

Yellow Linked

Active LED Speed

LED

LED

Blinking Data activity

O󰀨 10 Mbps connection

Speed

Green 100 Mbps connection

LED

Orange 1 Gbps connection

» USB3�1 Gen 2, USB3�1 Gen 1 Port

USB 3.1 Gen 2 (SuperSpeed USB 10Gbps) , USB 3.1 Gen 1 (SuperSpeed USB) de­livers high-speed data transfer for various devices, such as storage devices, hard
drives, video cameras, etc.

» Line-In Jack

For external CD player, tapeplayer or other audio devices.

» Line-Out Jack

For speakers or headphones.

» Mic-In Jack

For microphones.

2-11

Hardware Setup MS-98L2

Connector

Fan Power Connector: CPUFAN1, SYSFAN1~3

The fan power connectors support system cooling fan with +12V. When connect­ing the wire to the connectors, always note that the red wire is the positive and
should be connected to the +12V; the black wire is Ground and should be connect­ed to GND. If the motherboard has a System Hardware Monitor chipset onboard,
you must use a specially designed fan with speed sensor to take advantage of the
CPU fan control.

Important

• Please refer to the recommended CPU fans at processor’s official website or con-
sult the vendors for proper CPU cooling fan.

• Fan cooler sets with 3- or 4-pin power connector are both available.

Dual Stacked SATA Connector: SATA1_2, SATA3_4

This connector is a high-speed Serial ATA interface port. Each connector can con­nect to two SATA devices.

Important

Please do not fold the SATA cable into a 90-degree angle. Otherwise, data loss may
occur during transmission.

2-12

Chassis Intrusion Header: JCASE1

Case o pen

This connector connects to the chassis intrusion switch cable. If the computer
case is opened, the chassis intrusion mechanism will be activated. The system
will record this intrusion and a warning message will flash on screen. To clear the
warning, you must enter the BIOS utility and clear the record.

2

.

1

GND

.

GPI Box Header: JGPIO1

This connector is provided for the General-Purpose Input peripheral module.

GPO Box Header: JGPIO2

This connector is provided for the General-Purpose Output peripheral module.

2-13

Hardware Setup MS-98L2

1 3 5 79

Front Panel Box Header: JFP1

This front panel connector is provided for electrical connection to the front panel
switches & LEDs and is compliant with Intel Front Panel I/O Connectivity Design
Guide.

PW LED (+) PW LED (-) PW SW (+) PW SW (-) Key

2 4 6 8 10

HDD LED (+) HDD LED (-) Reser SW (-) Reset SW(+) NC

SMBus Box Header: JSMB1

This connector is provided for users to connect System Management Bus (SM­Bus) interface.

I2C Box Header: JI2C1

This connector is provided for users to connect I²C (Inter-Integrated Circuit) in­terface.

2-14

RS232/422/485 COM Port Box Header: JCOM2

This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach a serial device to it.

RS232

PIN SIGNAL DESCRIPTION

1
2
3
4
5
6
7
8
9

DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
VCC_COM

Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Voltage select setting by
COM jumper

RS485

PIN SIGNAL DESCRIPTION

1
2
3
4
5
6
7
8
9

485 TXD­485 TXD+
NC
NC
GND
NC
NC
NC
NC

Transmit Data, Negative
Transmit Data, Positive
No Connection
No Connection
Signal Ground
No Connection
No Connection
No Connection
No Connection

RS422

PIN SIGNAL DESCRIPTION

1
2
3
4
5
6
7
8
9

422 TXD­422 RXD+
422 TXD+
422 RXD­GND
NC
NC
NC
NC

Transmit Data, Negative
Receive Data, Positive
Transmit Data, Positive
Receive Data, Negative
Signal Ground
No Connection
No Connection
No Connection
No Connection

2-15

Hardware Setup MS-98L2

RS232 COM Port Header: JCOM3 (COM3~COM6 )

This connector is a 16550A high speed communications port that sends/receives 16 bytes
FIFOs. You can attach a serial device to it.

Parallel Port Box Header: JLPT1

The mainboard provides a 26-pin header for connection to an optional parallel
port bracket. The parallel port is a standard printer port that supports Enhanced
Parallel Port (EPP) and Extended Capabilities Parallel Port (ECP) mode.

2-16

TPM Box Header: JTPM1

This connector works as LPC debug port and supports TPM modules.

Front Audio Box Header: JAUD1

This connector allows you to connect the front panel audio and is compliant with
Intel Front Panel I/O Connectivity Design Guide.

S/PDIF Box Header: JSPDI1

This pinheader is used to connect S/PDIF (Sony & Philips Digital Interconnect
Format) interface for digital audio transmission.

1

.

V

2

C

.

S

3

C

P

.

G

D

r

I

o

F

u

n

d

2-17

Hardware Setup MS-98L2

USB 2�0 Box Header: JUSB1, JUSB2,

USB 2�0 Port: USB1

This connector is ideal for connecting USB devices such as keyboard, mouse, or
other USB-compatible devices.

Important

• Note that the pins of VCC and GND must be connected correctly to avoid possible
damage.

• Do not pick the motherboard up by grabbing the USB Box Headers to avoid dam-
age.

PS/2 Keyboard/Mouse Connector: JKBMS1

This connector is provided to connect a keyboard and a mouse.

2-18

Jumper

Important

Avoid adjusting jumpers when the system is on; it will damage the motherboard.

COM1 Power Jumper: JCOMP1

These jumpers specify the operation voltage of the COM1 port.

5
6

1

5

2

6

RI

+12V

1

5

2

6

1
2

+5V

JCOM2~JCOM6 Power Jumper: JCOMP2 ~ JCOMP6

These jumpers specify the operation voltage of the JCOM2~JCOM6 serial ports.

11

+5V +12V

Clear CMOS Jumper: JCMOS1

There is a CMOS RAM onboard that has a power supply from an external battery
to keep the data of system configuration. With the CMOS RAM, the system can
automatically boot OS every time it is turned on. If you want to clear the system
configuration, set the jumper to clear data.

11

Normal Clear CMOS

Important

You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 1-2 pin
position. Avoid clearing the CMOS while the system is on; it will damage the moth­erboard.

2-19

Hardware Setup MS-98L2

AT/ATX Jumper: JAT1

This jumper allows users to select between AT and ATX power.

11

ATX AT

2-20

Slot

PCIe (Peripheral Component Interconnect Express) Slot

The PCI Express slot supports PCIe interface expansion cards (signal shared with
M.2 Key M, auto switch by switch IC and PCIe x4 as top priority).

PCIe x16 slot

PCIe x4 slot

M2_M1: M�2 Slot (Key M, 2242/2260/2280) for SSD

Please install the M.2 solid-state drive (SSD) into the M.2 slot as shown below.

Important

Intel® RST only supports PCIe M.2 SSD with UEFI ROM and does not support Legacy
ROM.

2-21

Hardware Setup MS-98L2

MINIPCIE1: Mini-PCIe Slot

The Mini-PCIe slot is provided for Wi-Fi/Bluetooth Mini-PCIe cards.

2-22

3 BIOS Setup

This chapter provides information on the BIOS Setup program and
allows users to configure the system for optimal use.

Users may need to run the Setup program when:

• An error message appears on the screen at system startup and
requests users to run SETUP.

• Users want to change the default settings for customized features.

Important

• Please note that BIOS update assumes technician-level experience.

• As the system BIOS is under continuous update for better system

performance, the illustrations in this chapter should be held for ref­erence only.

BIOS Setup MS-98L2

Entering Setup

Power on the computer and the system will start POST (Power On Self Test) pro­cess. When the message below appears on the screen, press <DEL> or <F2> key
to enter Setup.

Press <DEL> or <F2> to enter SETUP

If the message disappears before you respond and you still wish to enter Setup,
restart the system by turning it OFF and On or pressing the RESET button. You
may also restart the system by simultaneously pressing <Ctrl>, <Alt>, and <De­lete> keys.

Important

The items under each BIOS category described in this chapter are under continuous
update for better system performance. Therefore, the description may be slightly
different from the latest BIOS and should be held for reference only.

3-2

Control Keys

← → Select Screen

↑ ↓ Select Item

Enter Select

+ - Change Option

F1 General Help

F7 Previous Values

F9 Optimized Defaults

F10 Save & Reset

Esc Exit

Getting Help

After entering the Setup menu, the first menu you will see is the Main Menu.

Main Menu

The main menu lists the setup functions you can make changes to. You can use
the arrow keys ( ↑↓ ) to select the item. The on-line description of the highlight­ed setup function is displayed at the bottom of the screen.

Sub-Menu

If you find a right pointer symbol appears to the left of certain fields that means
a sub-menu can be launched from this field. A sub-menu contains additional op­tions for a field parameter. You can use arrow keys ( ↑↓ ) to highlight the field
and press <Enter> to call up the sub-menu. Then you can use the control keys to
enter values and move from field to field within a sub-menu. If you want to return
to the main menu, just press the <Esc >.

General Help <F1>

The BIOS setup program provides a General Help screen. You can call up this
screen from any menu by simply pressing <F1>. The Help screen lists the ap­propriate keys to use and the possible selections for the highlighted item. Press
<Esc> to exit the Help screen.

3-3

BIOS Setup MS-98L2

The Menu Bar

► Main

Use this menu for basic system configurations, such as time, date, etc.

► Advanced

Use this menu to set up the items of special enhanced features.

► Boot

Use this menu to specify the priority of boot devices.

► Security

Use this menu to set supervisor and user passwords.

► Chipset

This menu controls the advanced features of the onboard chipsets.

► Power

Use this menu to specify your settings for power management.

► Save & Exit

This menu allows you to load the BIOS default values or factory default settings
into the BIOS and exit the BIOS setup utility with or without changes.

3-4

Main

► System Date

This setting allows you to set the system date. The date format is <Day>, <Month>
<Date> <Year>.

► System Time

This setting allows you to set the system time. The time format is <Hour> <Min­ute> <Second>.

► SATA Mode Selection

This setting specifies the SATA controller mode.

3-5

BIOS Setup MS-98L2

Advanced

► Full Screen Logo Display

This BIOS feature determines if the BIOS should hide the normal POST messages
with the motherboard or system manufacturer’s full-screen logo.

When it is enabled, the BIOS will display the full-screen logo during the boot-up
sequence, hiding normal POST messages.

When it is disabled, the BIOS will display the normal POST messages, instead of
the full-screen logo.

Please note that enabling this BIOS feature often adds 2-3 seconds of delay to the
booting sequence. This delay ensures that the logo is displayed for a sufficient
amount of time. Therefore, it is recommended that you disable this BIOS feature
for a faster boot-up time.

► Bootup NumLock State

This setting is to set the Num Lock status when the system is powered on. Setting
to [On] will turn on the Num Lock key when the system is powered on. Setting to
[Off] will allow users to use the arrow keys on the numeric keypad.

► Option ROM Messages

This item is used to determine the display mode when an optional ROM is initial­ized during POST. When set to [Force BIOS], the display mode used by AMI BIOS is
used. Select [Keep Current] if you want to use the display mode of optional ROM.

► CPU Configuration

3-6

► Intel Virtualization Technology

Virtualization enhanced by Intel Virtualization Technology will allow a platform
to run multiple operating systems and applications in independent partitions.
With Virtualization, one computer system can function as multiple “Virtual”
systems.

► Active Processor Cores

This setting specifies the number of active processor cores.

► Execute Disable Bit

Intel’s Execute Disable Bit functionality can prevent certain classes of mali­cious “buffer overflow” attacks when combined with a supporting operating
system. This functionality allows the processor to classify areas in memory
by where application code can execute and where it cannot. When a malicious
worm attempts to insert code in the buffer, the processor disables code exe­cution, preventing damage or worm propagation.

► Intel(R) SpeedStep(TM)

EIST (Enhanced Intel SpeedStep Technology) allows the system to dynamically
adjust processor voltage and core frequency, which can result in decreased
average power consumption and decreased average heat production. When
disabled, the processor will return the actual maximum CPUID input value of
the processor when queried.

► C States

This setting controls the C-States (CPU Power states).

3-7

BIOS Setup MS-98L2

► Super IO Configuration

► Serial Port 1/ 2/ 3/ 4/ 5 /6

This setting enables/disables the specified serial port.

► Change Settings

This setting is used to change the address & IRQ settings of the specied

serial port.

► Mode Select

Select an operation mode for Serial Port 1.

► Parallel Port

This setting enables/disables the parallel port.

► Change Settings

This setting is used to change the address & IRQ settings of the parallel
port.

► Device Mode

Select an operation mode for the parallel port.

► Watch Dog Timer

You can enable the system watch-dog timer, a hardware timer that generates
a reset when the software that it monitors does not respond as expected each
time the watch dog polls it.

► FIFO Mode

This setting controls the FIFO data transfer mode.

► Shared IRQ Mode

This setting provides the system with the ability to share interrupts among its
serial ports.

3-8

► H/W Monitor

These items display the current status of all monitored hardware devices/
components such as voltages, temperatures and all fans’ speeds.

► Smart Fan Configuration

► CPUFAN1, SYSFAN1 ~ SYSFAN3

This setting enables/disables the Smart Fan function. Smart Fan is an excel­lent feature which will adjust the CPU/system fan speed automatically de­pending on the current CPU/system temperature, avoiding the overheating to
damage your system.

► Network Stack Configuration

This menu provides Network Stack settings for users to enable network boot
(PXE) from BIOS.

3-9

BIOS Setup MS-98L2

► PCI/PCIE Device Configuration

► Legacy USB Support

Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating
system that does not support or have any USB 1.1/2.0 driver installed, such
as DOS and SCO Unix.

► Audio Controller

This setting enables/disables the onboard audio controller.

► Launch OnBoard LAN OpROM

These settings enable/disable the initialization of the onboard/onchip LAN
Boot ROM during bootup. Selecting [Disabled] will speed up the boot process.

► GPIO Group Configuration

► GPO0 ~ GPO7

These settings control the operation mode of the specified GPIO.

3-10

Boot

► CSM Support

This setting enables/disables the support for Compatibility Support Module, a
part of the Intel Platform Innovation Framework for EFI providing the capability
to support legacy BIOS interfaces.

► Boot Option Priorities

This setting allows users to set the sequence of boot devices where BIOS at­tempts to load the disk operating system.

3-11

BIOS Setup MS-98L2

Security

► Administrator Password

Administrator Password controls access to the BIOS Setup utility.

► User Password

User Password controls access to the system at boot and to the BIOS Setup utility.

► Chassis Intrusion

The field enables or disables the feature of recording the chassis intrusion status
and issuing a warning message if the chassis is once opened.

► Intel Trusted Execution Technology

Intel Trusted Execution Technology provides highly scalable platform security in
physical and virtual infrastructures.

► Intel BIOS Guard Support

Intel BIOS Guard Support ensures that updates to system BIOS ash are secure.

3-12

► PCH-FW Configuration

► ME Firmware Version, ME Firmware Mode, ME Firmware SKU, System

Integrity Value, ME Firmware Status 1, ME Firmware Status 2

These settings show the firmware information of the Intel ME (Management
Engine).

► ME State

This setting specifies the Intel Management Engine state.

► Manageability Features State

This setting specifies the Intel ME Manageability Features.

► AMT BIOS Features

This setting specifies the AMT BIOS Features.

► AMT Configuration

Intel Active Management Technology (AMT) is hardware-based technology for
remotely managing and securing PCs out-of-band.

► ME Unconfig on RTC Clear

This setting enables/disables ME firmware unconfigure on RTC clear.

► Comms Hub Support

This setting enables/disables Communications Hub Support.

► JHI Support

This setting enables/disables support for Intel Dynamic Application Loader
Host Interface (JHI).

3-13

BIOS Setup MS-98L2

► Core BIOS Done Message

This setting enables/disables Core BIOS Done Message sent to ME.

► Firmware Update Configuration

► ME FW Image Re-Flash

This setting enables/disables the ME FW image reash.

► PTT Configuration

Intel Platform Trust Technology (PTT) is a platform functionality for credential
storage and key management used by Microsoft Windows.

► ME Debug Configuration

► Trusted Computing

3-14

► Security Device Support

This setting enables/disables BIOS support for security device. When set to
[Disable], the OS will not show security device. TCG EFI protocol and INT1A
interface will not be available.

► SHA-1 PCR Bank, SHA256 PCR Bank

These settings enable/disable the SHA-1 PCR Bank and SHA256 PCR Bank.

► Pending Operation

When Security Device Support is set to [Enable], Pending Operation will ap­pear. Set this item to [TPM Clear] to clear all data secured by TPM or [None]
to discard the selection. It is advised that users should routinely back up their
TPM secured data.

► Platform Hierarchy, Storage Hierarchy, Endorsement Hierarchy

These settings enable/disable the Platform Hierarchy, Storage Hierarchy and
Endorsement Hierarchy.

► TPM2�0 UEFI Spec Version, Physical Presence Spec Version

This settings show the TPM2.0 UEFI Spec Version and Physical Presence Spec
Version.

► TPM2�0 Interface Type

This setting shows the TPM2.0 Interface Type.

► Serial Port Console Redirection

COM1

► Console Redirection

Console Redirection operates in host systems that do not have a monitor and
keyboard attached. This setting enables/disables the operation of console re­direction. When set to [Enabled], BIOS redirects and sends all contents that
should be displayed on the screen to the serial COM port for display on the
terminal screen. Besides, all data received from the serial port is interpreted
as keystrokes from a local keyboard.

3-15

BIOS Setup MS-98L2

► Console Redirection Settings

► Terminal Type

To operate the system’s console redirection, you need a terminal supporting
ANSI terminal protocol and a RS-232 null modem cable connected between

the host system and terminal(s). This setting species the type of terminal

device for console redirection.

► Bits per second, Data Bits, Parity, Stop Bits

This setting species the transfer rate (bits per second, data bits, parity,

stop bits) of Console Redirection.

► Flow Control

Flow control is the process of managing the rate of data transmission

between two nodes. It’s the process of adjusting the ow of data from one

device to another to ensure that the receiving device can handle all of the
incoming data. This is particularly important where the sending device is
capable of sending data much faster than the receiving device can receive
it.

Legacy Console Redirection

► Legacy Console Redirection Settings

3-16

► Redirection COM Port

This setting species the COM port for redirection.

► Resolution

This setting species the redirection resolution of legacy OS.

► Redirect After POST

This setting determines whether or not to keep terminals’ console redirection
running after the POST has booted.

Serial Port for Out-of-Band Management/ Windows Emergency Manage­ment Services (EMS)

► Console Redirection

Console Redirection operates in host systems that do not have a monitor and
keyboard attached. This setting enables/disables the operation of console re­direction. When set to [Enabled], BIOS redirects and sends all contents that
should be displayed on the screen to the serial COM port for display on the
terminal screen. Besides, all data received from the serial port is interpreted
as keystrokes from a local keyboard.

► Console Redirection Settings

► Out-of-Band Mgmt Port

This setting species the Out-of-Band Management Port.

► Terminal Type

To operate the system’s console redirection, you need a terminal supporting
ANSI terminal protocol and a RS-232 null modem cable connected between

the host system and terminal(s). This setting species the type of terminal

device for console redirection.

► Bits per second, Data Bits, Parity, Stop Bits

This setting species the transfer rate (bits per second, data bits, parity,

stop bits) of Console Redirection.

► Flow Control

Flow control is the process of managing the rate of data transmission

between two nodes. It’s the process of adjusting the ow of data from one

device to another to ensure that the receiving device can handle all of the

incoming data. This is particularly important where the sending device is

capable of sending data much faster than the receiving device can receive it.

3-17

BIOS Setup MS-98L2

Chipset

► Primary Display

This setting specifies which is your primary graphics adapter.

► DVMT Total Gfx Mem

This setting specifies the memory size for DVMT.

► Primary IGFX Boot Display

Use the field to select the type of device you want to use as the display(s)
of the system.

3-18

Power

► Restore AC Power Loss

This setting specifies whether your system will reboot after a power failure or
interrupt occurs. Available settings are:

[Power Off] Leaves the computer in the power off state.

[Power On] Leaves the computer in the power on state.

[Last State] Restores the system to the previous status

before power failure or interrupt occurred.

► Deep Sleep Mode

The setting enables/disables the Deep S5 power saving mode. S5 is almost

the same as G3 Mechanical O󰀨, except that the PSU still supplies power, at

a minimum, to the power button to allow return to S0. A full reboot is required.
No previous content is retained. Other components may remain powered so the
computer can “wake” on input from the keyboard, clock, modem, LAN, or USB
device.

** Advanced Resume Events Control **

► OnChip GbE/USB

The item allows the activity of the OnChip GbE/USB device to wake up the system
from S3/S4 sleep state.

► PCIE PME/Ring

This field specifies whether the system will be awakened from power saving
modes when activity or input signal of onboard PCIE PME/Ring is detected.

► RTC

When [Enabled], your can set the date and time at which the RTC (real-time clock)
alarm awakens the system from suspend mode.

3-19

BIOS Setup MS-98L2

Save & Exit

► Save Changes and Reset

Save changes to CMOS and reset the system.

► Discard Changes and Exit

Abandon all changes and exit the Setup Utility.

► Discard Changes

Abandon all changes.

► Load Optimized Defaults

Use this menu to load the default values set by the motherboard manufacturer
specifically for optimal performance of the motherboard.

► Save as User Defaults

Save changes as the user’s default profile.

► Restore User Defaults

Restore the user’s default profile.

► Launch EFI Shell from filesystem device

This setting helps to launch the EFI Shell application from one of the available file
system devices.

3-20

Appendix

GPIO WDT Programming

This appendix provides code examples based on C programming
language for customer interest. Inportb, Outportb, Inportl and Out-
portl are basic functions used for access IO ports and defined as
following.

Inportb: Read a single 8-bit I/O port.
Outportb: Write a single byte to an 8-bit port.
Inportl: Reads a single 32-bit I/O port.
Outportl: Write a single long to a 32-bit port.

Appendix MS-98L2

General Purposed IO – GPIO/DIO

The GPIO port configuration addresses are listed in the following table:

Name IO Port IO address Name IO Port IO address

N_GPI0 0x12 Bit 0 N_GPO0 0x21 Bit 0

N_GPI1 0x12 Bit 1 N_GPO1 0x21 Bit 1

N_GPI2 0x12 Bit 2 N_GPO2 0x21 Bit 2

N_GPI3 0x42 Bit 3 N_GPO3 0x21 Bit 3

N_GPI4 0x12 Bit 4 N_GPO4 0x21 Bit 4

N_GPI5 0x12 Bit 5 N_GPO5 0x21 Bit 5

N_GPI6 0x12 Bit 6 N_GPO6 0x21 Bit 6

N_GPI7 0x12 Bit 7 N_GPO7 0x21 Bit 7

Note

GPIO should be accessed through controller device 0x6E on SMBus.

Set output value of GPO

1. Read the value from GPO port.

2. Set the value of GPO address.

3. Write the value back to GPO port.

Example: Set N_GPO0 output “high”

val =SMBus_ReadByte (0x6E, 0x21); // Read value from N_GPO0 port through SMBus.

val = val | (1<<0); // Set N_GPO0 address (bit 0) to 1 (output “high”).

SMBus_WriteByte (0x6E, 0x21, val); // Write back to N_GPO0 port through SMBus.

Example: Set N_GPO1 output “low”

val = SMBus_ReadByte (0x6E, 0x21); // Read value from N_GPO1 port through SMBus.

val = val & (~(1<<1)); // Set N_GPO1 address (bit 1) to 0 (output “low”).

SMBus_WriteByte (0x6E, 0x21, val); // Write back to N_GPO1 port through SMBus.

Read input value from GPI:

1. Read the value from GPI port.

2. Get the value of GPI address.

A-2

Example: Get N_GPI2 input value.

val = SMBus_ReadByte (0x6E, 0x12); // Read value from N_GPI2 port through SMBus.

val = val & (1<<2); // Read N_GPI2 address (bit 2).

if (val) printf (“Input of N_GPI2 is High”);

else printf (“Input of N_GPI2 is Low”);

Example: Get N_GPI6 input value.

val = SMBus_ReadByte (0x6E, 0x12); // Read value from N_GPI6 port through SMBus.

val = val & (1<<6); // Read N_GPI6 address (bit 6).

if (val) printf (“Input of N_GPI6 is High”);

else printf (“Input of N_GPI6 is Low”);

Watchdog Timer – WDT

The base address (WDT_BASE) of WDT configuration registers is 0xA10.

Set WDT Time Unit

val = Inportb (WDT_BASE + 0x05); // Read current WDT setting

val = val | 0x08; // minute mode. val = val & 0xF7 if second mode

Outportb (WDT_BASE + 0x05, val); // Write back WDT setting

Set WDT Time

Outportb (WDT_BASE + 0x06, Time); // Write WDT time, value 1 to 255.

Enable WDT

val = Inportb (WDT_BASE + 0x0A); // Read current WDT_PME setting

val = val | 0x01; // Enable WDT OUT: WDOUT_EN (bit 0) set to 1.

Outportb (WDT_BASE + 0x0A, val); // Write back WDT setting.

val = Inportb (WDT_BASE + 0x05); // Read current WDT setting

val = val | 0x20; // Enable WDT by set WD_EN (bit 5) to 1.

Outportb (WDT_BASE + 0x05, val); // Write back WDT setting.

Disable WDT

val = Inportb (WDT_BASE + 0x05); // Read current WDT setting

val = val & 0xDF; // Disable WDT by set WD_EN (bit 5) to 0.

Outportb (WDT_BASE + 0x05, val); // Write back WDT setting.

Check WDT Reset Flag

If the system has been reset by WDT function, this flag will set to 1.

val = Inportb (WDT_BASE + 0x05); // Read current WDT setting.

val = val & 0x40; // Check WDTMOUT_STS (bit 6).

if (val) printf (“timeout event occurred”);

else printf (“timeout event not occurred”);

A-3

Appendix MS-98L2

Clear WDT Reset Flag

val = Inportb (WDT_BASE + 0x05); // Read current WDT setting

val = val | 0x40; // Set 1 to WDTMOUT_STS (bit 6);

Outportb (WDT_BASE + 0x05, val); // Write back WDT setting

SMBus Access

The base address of SMBus must be known before access. The relevant bus and
device information are as following.

#define IO_SC 0xCF8

#define IO_DA 0xCFC

#define PCIBASEADDRESS 0x80000000

#define PCI_BUS_NUM 0

#define PCI_DEV_NUM 31

#define PCI_FUN_NUM 4

Get SMBus Base Address

int SMBUS_BASE;

int DATA_ADDR = PCIBASEADDRESS + (PCI_BUS_NUM<<16) +

(PCI_DEV_NUM<<11) +

(PCI_FUN_NUM<<8);

Outportl (DATA_ADDR + 0x20, IO_SC);

SMBUS_BASE = Inportl (IO_DA) & 0xfffffff0;

SMBus_ReadByte (char DEVID, char offset)

Read the value of OFFSET from SMBus device DEVID.

Outportb (LOWORD (SMBUS_BASE), 0xFE);

Outportb (LOWORD (SMBUS_BASE) + 0x04, DEVID + 1); //out Base + 04, (DEVID + 1)

Outportb (LOWORD (SMBUS_BASE) + 0x03, OFFSET); //out Base + 03, OFFSET

Outportb (LOWORD (SMBUS_BASE) + 0x02, 0x48); //out Base + 02, 48H

mdelay (20); //delay 20ms to let data ready

while ((Inportl (SMBUS_BASE) & 0x01) != 0); //wait SMBus ready

SMB_DATA = Inportb (LOWORD (SMBUS_BASE) + 0x05); //input Base + 05

SMBus_WriteByte (char DEVID, char offset, char DATA)

Write DATA to OFFSET on SMBus device DEVID.

Outportb (LOWORD (SMBUS_BASE), 0xFE);

Outportb (LOWORD (SMBUS_BASE) + 0x04, DEVID); //out Base + 04, (DEVID)

Outportb (LOWORD (SMBUS_BASE) + 0x03, OFFSET); //out Base + 03, OFFSET

Outportb (LOWORD (SMBUS_BASE) + 0x05, DATA); //out Base + 05, DATA

Outportb (LOWORD (SMBUS_BASE) + 0x02, 0x48); //out Base + 02, 48H

mdelay (20); //wait 20ms

A-4