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When installing a CPU heatsink and
Caution!
cooling fan make sure that you DO
NOT scratch the motherboard or any of
the surface-mount resistors with the clip
of the cooling fan. If the clip of the
cooling fan scrapes across the main-
board, you may cause serious damage
to both the mainboard and the proces-
sor.
On most mainboards, there are small
surface-mount resistors near the proces-
sor socket, which may be damaged if
the cooling fan is carelessly installed.
Avoid using cooling fans with sharp
edges on the fan casing and the clips.
Also, install the cooling fan in a well-lit
work area so that you can clearly see
the mainboard and processor socket.

Important Information

Copyright
This publication, including all photographs, illustrations and
software, is protected under international copyright laws, with all
rights reserved. Neither this manual, nor any of the material
contained herein, may be reproduced without the express writ-
ten consent of the manufacturer.
Version 1.0
Disclaimer
The information in this document is subject to change without
notice. The manufacturer makes no representations or warranti-
es with respect to the contents hereof and specifically disclaims
any implied warranties of merchantability or fitness for any par-
ticular purpose. Further, the manufacturer reserves the right to
revise this publication and to make changes from time to time in
the content hereof without obligation of the manufacturer to no-
tify any person of such revision or changes.
C ooling fan and
heat sink
C PU socket
i

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Summary of Contents for MATSONIC MS7127C

  • Page 1: Important Information

    When installing a CPU heatsink and Caution! cooling fan make sure that you DO NOT scratch the motherboard or any of the surface-mount resistors with the clip of the cooling fan. If the clip of the C ooling fan and cooling fan scrapes across the main- board, you may cause serious damage heat sink...
  • Page 2: Trademark Recognition

    Trademark Recognition Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corp. MMX, Pentium, Pentium-II, Pentium-III, Celeron are registered trademarks of Intel Corporation. Other product names used in this manual are the properties of their respective owners and are acknowledged. Federal Communications Commission (FCC) 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...
  • Page 3: Declaration Of Conformity

    Declaration of Conformity This device complies with part 15 of the FCC rules. Operation is subject to the following conditions: ! This device may not cause harmful interference, and ! This device must accept any interference received, in- cluding interference that may cause undesired operation. Canadian Department of Communications This class B digital apparatus meets all requirements of the Ca- nadian Interference-causing Equipment Regulations.
  • Page 4: About The Manual

    About the Manual The manual consists of the following chapters: Introduction Use the Introduction Chapter to learn about the features of the mainboard, and verify the checklist of items that are shipped with the package. Installation Use the Installation Chapter to learn how to install the main- board and get your system up and running.
  • Page 5: Table Of Contents

    Contents Important Information Copyright Disclaimer Trademark Recognition Federal Communications Commission (FCC) Declaration of Conformity Canadian Department of Communications About the Manual CHAPTER 1: INTRODUCTION Welcome Checklist Recommendations Features CHAPTER 2: INSTALLATION Quick Installation Table Before You Begin Static Electricity Choosing a Case Preparing the Mainboard Mainboard Guide I/O Ports Side View...
  • Page 6 Load Optimized Defaults Option Set Supervisor and User Passwords Options Save & Exit Setup Option Exit Without Saving Option CHAPTER 4: SOFTWARE Folders for this Mainboard Utility Folder Installation Notes Mainboard (MS7127C) Installation Notes APPENDIX: JUMPER SETTING REFERENCE Quick Jumper Setting Reference...
  • Page 7: Chapter 1: Introduction

    The mainboard accommodates PC 100 SDRAM (Synchronous DRAM) up to 1.5 GB using three 3.3V unbuffered DIMM modules. The MS7127C also has a full set of I/O ports, such as dual channel IDE interfaces, a floppy controller, two FIFO serial port connectors,...
  • Page 8: Checklist

    This chapter contains the following information: ! Checklist comprises a list of the standard and optional components that are shipped with this mainboard ! Recommendations lists some Do’s and Don’ts from the manufacturer to help ensure reliability and performance from this product ! Features highlights the functions and components that make this one of the best value mainboards on the market Checklist...
  • Page 9: Features

    Value-class Processors Functioning as a platform for a value PC, the MS7127C features a Socket 370 that accommodates PPGA Celeron, Pentium III, and Cyrix III processors. The MS7127C supports 66/100/133 MHz FSB speeds.
  • Page 10 DMA, timer, and interrupt controllers. The VIA VT82C686A chipset supports UDMA33/66. As an option you can get the MS7127C with the VIA VT82C686B SB chipset, which supports UDMA100. The Real Time Clock features extended 256 byte CMOS RAM and a day and month alarm for the ACPI (Advanced Configura- tion and Power Interface).
  • Page 11 3.3V non-buffered DIMM memory modules. The DIMM memory modules can be SDRAM or VCM memory chips. AGP Graphics Adapter Slot The MS7127C includes a 2xAGP slot that provides twice the bandwidth of the original AGP specification. AGP technology provides a direct connection between the graphics sub-system and the processor so that the graphics do not have to compete for processor time with other devices on the PCI bus.
  • Page 12 Keyboard Power on Feature Using the system BIOS setup program, you can configure the system to turn on by pressing any key. A green keyboard is not required. Programmable Firmware The mainboard includes Award BIOS that allows BIOS setting of CPU parameters.
  • Page 13: Chapter 2: Installation

    Quick Installation Table This chapter explains how to successfully install the mainboard into a computer case and build a working system. The installation procedure is as follows: Before you Provides advice on choosing a case, Begin avoiding static electricity damage, and set- ting jumpers.
  • Page 14: Before You Begin

    Before You Begin Before you begin to install your mainboard, take care not to damage the product from static electricity. Ensure too that you are installing the mainboard into a suitable case. Static Electricity In adverse conditions, static electricity can accumulate and dis- charge through the integrated circuits and silicon chips on this product.
  • Page 15: Choosing A Case

    Choosing a Case The mainboard complies with the specifications for the Micro ATX system case. Some features on the mainboard are imple- mented by cabling connectors on the mainboard to indicators and switches on the system case. Ensure that your case sup- ports all the features required.
  • Page 16: Preparing The Mainboard

    Preparing the Mainboard Mainboard Guide Use the following illustration and key to identify the components on your mainboard. DIMM 2 DIMM 1 DIMM 3 CPUFAN1 C PUFA N 1 Socket 370 IDE1 IDE2 ATX1 C D1 C D2 D IM M 1 D IM M 2 D IM M 3 A G P1...
  • Page 17 Key to Mainboard Components Component Description Keyboard wake up jumper PPGA1 PGA 370 CPU socket DIMM 1, 2, 3 Three slots for 168-pin DRAM memory module CPUFAN1 Power connector for CPU1 cooling fan JP6, 7 CPU frequency select jumpers ATX1 Power connector for case cooling fan IDE1, IDE2 Primary and secondary IDE channels...
  • Page 18: I/O Ports Side View

    I/O Ports Side View Parallel port (LPT1) PS/2 Gam e port m ouse PS/2 Serial port Serial port M icrophone keyboard ports COM 1 COM 2 Line-in Line-out Key to I/O Ports Component Description PS/2 mouse PS/2 port for pointing device (upper port) PS/2 keyboard PS/2 port for keyboard (lower port) USB ports...
  • Page 19: Check The Jumper Settings

    Check the Jumper Settings Check the mainboard jumpers to ensure that the board is con- figured correctly. How to Set Jumpers A jumper consists of two or more pins mounted on the main- board. Some jumpers might be arranged in a series with each pair of pins numbered differently.
  • Page 20 JP 2 C P U FA N 1 JP 7 JP 6 C D 1 C D 2 D IMM 1 D IMM 2 D IMM 3 A G P 1 P C I1 P C I2 P C I3 P C I4 B T 1 PA N E L1...
  • Page 21 Return the jumper cap to the Normal operation setting. Reconnect the power cables and start the system. When the POST starts, press the delete key to start the BIOS Setup Utility and reload BIOS optimal settings. Refer to Chapter 3 for information on BIOS. Function Jumper Setting Normal operation...
  • Page 22 JP6: CPU frequency select jumper This jumper enables you to force the CPU to clock at a higher frequency than it is rated. Short pins 2 and 3 to force the CPU to run at a 100 MHz FSB instead of a 66 MHz FSB. We recom- mend that you leave the jumper on the normal operation setting.
  • Page 23: Installing The Mainboard In A Case

    Installing the Mainboard in a Case Most system cases have mounting brackets installed in the case, which correspond to the holes in the mainboard. Place the mainboard over the mounting brackets and secure the main- board into the mounting brackets with screws. Most cases have a choice of I/O templates in the rear panel.
  • Page 24: Connecting Internal Components

    Connecting Internal Components After you have installed the mainboard into the system case, connect the power cable from the case power supply unit to the mainboard power connector ATX1. Your case and CPU might have cooling fans attached to provide adequate ventilation to the system.
  • Page 25: Panel Connector

    Panel Connector The mainboard PANEL connector has a standard set of switch and indicator connectors that are commonly found on ATX sys- tem cases. Use the illustration below to make the correct connections to the case switches and indicators. Panel connectors for switches and indicators Function Pins PANEL1...
  • Page 26: Installing Other Hardware

    Installing Other Hardware Installing the Processor This mainboard has a Socket 370 processor socket. To choose a processor, you need to consider the performance require- ments of the system and the price of the processor. Performance is based on the processor design, the clock speed and system bus frequency of the processor, and the quantity of internal cache memory and external cache memory.
  • Page 27 3. Identify the pin-1 corner on the CPU socket and the pin-1 corner on the processor. The socket pin-1 corner is adjacent to the handle of the locking lever. The processor pin-1 cor- ner is beveled. 4. Matching the pin-1 corners, drop the processor into the socket.
  • Page 28: Install The Memory Modules

    Install the Memory Modules For this mainboard, you must use 168-pin 3.3V non-buffered Dual In-line Memory Modules (DIMMs). The memory chips must be standard or registered SDRAM and VCM SDRAM memory chips. The memory bus can run at 66 MHz, 100 MHz, or 133 MHz.
  • Page 29: Installation Procedure

    Installation Procedure There are three slots for memory modules. You must install at least one module, and it makes no difference which slot you use to install the module. Each module can be populated with from 32 MB to 512 MB of memory; total memory capacity is 1.5 GB. 1.
  • Page 30: Installing A Hard Disk Drive And Cd-Rom

    IDE devices that support UDMA, and use IDE cables that support UDMA. Note: The MS7127C supports two VIA South Bridge chipsets— the VIA VT82C686A and the VIA VT82C686B. The VIA VT82C686A is standard and supports UDMA33/66. The VIA...
  • Page 31: Installing A Hard Disk Drive

    Installing a Hard Disk Drive 1. Install the hard disk drive into the drive cage in your system case. 2. Plug the IDE cable into the primary IDE channel on the mainboard IDE1. 3. Plug one of the connectors on the IDE cable into the IDE connector on the back edge of the hard disk drive.
  • Page 32 Installing a CD-ROM/DVD Drive 1. Install the CD-ROM/DVD drive into the drive cage in your system case. Plug the IDE cable into the primary IDE chan- nel on the mainboard IDE1. 2. Plug one of the connectors on the IDE cable into the IDE connector on the back edge of the CD-ROM/DVD drive.
  • Page 33: Installing A Floppy Diskette Drive

    Installing a Floppy Diskette Drive The mainboard has a floppy diskette drive interface and it ships with a diskette drive ribbon cable that supports one or two floppy diskette drives. You can install a 5.25-inch drive and a 3.5-inch drive with various capacities. The floppy diskette drive cable has one type of connector for a 5.25-inch drive and another type of connector for a 5.25-inch drive 1.
  • Page 34: Using The Expansion Slots

    Using the Expansion Slots This mainboard has four 32-bit PCI expansion slots, one 2xAGP slot, and an AMR slot. PCI Slots: The PCI slots can be used to install add-in cards that have the 32-bit PCI (Peripheral Components Interconnect) in- terface.
  • Page 35 PCI slot ISA slot add-in card M etal add-in card bracket Edge Connector 2. Remove the blanking plate from the slot in the system case that corresponds to the expansion slot that you are going to use. 3. Install the edge connector of the add-in card into the expan- sion slot.
  • Page 36: Add-In Card Options

    Add-in Card Options CPUFAN1 W OL1 W OM1 DIM M1 DIM M2 DIM M3 AG P1 PCI1 PCI2 PCI3 PCI4 BT 1 PANE L1 AMR1 W OL 1 W OM 1 F DD1 USB2 IS A1 IS A2 SIR1 IR 1 WOL1: Wake On LAN If you have installed a network adapter (LAN adapter), you can use the cable provided with the card to plug into the WOL con-...
  • Page 37: Making External Connections

    SIR1: Infrared Port This mainboard can support a Serial Infrared (SIR) data port. Infra- red ports allow the wireless exchange of information between your computer and similarly equipped devices such as printers, laptops, Personal Digital Assistants (PDA), and other desktop computers. Making External Connections After you have installed the mainboard, make the connections to the external ports.
  • Page 38: External Connector Color Coding

    External Connector Color Coding To help identify the external connectors, many connectors now use standard colors as shown in the table below. Connector Color Analog VGA Blue Audio line in Light blue Audio line out Lime Digital monitor / flat panel White IEEE 1394 Grey...
  • Page 39: Chapter 3: Setup

    About the Setup Utility The computer employs the latest Award BIOS CMOS chip with support for Windows Plug and Play. This CMOS chip contains the ROM setup instructions for configuring the mainboard’s BIOS. The BIOS (Basic Input and Output System) Setup Utility is a ROM-based configuration utility that displays the system’s configuration status and provides you with a tool to set system parameters.
  • Page 40: Entering The Setup Utility

    A standard configuration has already been set in the Setup Util- ity, so you will very likely have little to worry about for now. However, we recommend that you read this chapter just in case you need to make any changes in the future. This program should be executed under the following conditions: When changing the system configuration When a configuration error is detected by the system and...
  • Page 41: Bios Navigation Keys

    After the POST routines are completed, the following message appears: Press DEL to enter SETUP To access the Award BIOS Setup Utility, press the delete key to display the “CMOS Setup Utility” screen: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Standard CMOS Features Frequency/Voltage Control Advanced BIOS Features...
  • Page 42: Using Bios

    Using BIOS When you start the Setup Utility, the main menu appears. The main menu of the Setup Utility shows a list of the options that are available. A highlight indicates which option is currently se- lected. You can use the cursor arrow keys to move the highlight to other options.
  • Page 43: How To Flash A New Bios

    How to Flash a New BIOS You can install updated BIOS for this mainboard that you can download from the manufacturer’s web site. New BIOS may provide support for new peripherals, improvements in performance or fixes for known bugs. Install new BIOS as follows: 1.
  • Page 44: Standard Cmos Setup Option

    8. In the “File Name to Program” dialog box, type in the file- name of the new BIOS and follow the onscreen directions to flash the new BIOS to the mainboard. 9. When the installation is complete, remove the floppy diskette from the diskette drive and restart your computer.
  • Page 45 CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software IDE Primary Master IDE HDD Auto-Detection Press Enter Item Help IDE Primary Master Auto Menu Level Access Mode Auto To auto-detect the Capacity 8448 MB HDD’s size, head . . . on Cylinder 16368 this channel...
  • Page 46 Access Mode This items defines some special ways that can be used to access IDE hard disks such as LBA (Large Block Addressing). Leave this value at Auto and the system will automatically decide the fastest way to access the hard disk drive. Press <Esc>...
  • Page 47: Advanced Cmos Setup Option

    Advanced CMOS Setup Option This option displays a table of items that define advanced infor- mation about your system. You can make modifications to most of these items without introducing fatal errors to your system. Use the arrow keys to scroll down to the items past “Boot to OS/2.”...
  • Page 48 CPU Internal Cache CPU Internal Cache Default: Enabled All the processors that can be installed in this mainboard use internal level 1 (L1) cache memory to improve performance. Leave this item at the default value for better performance. External Cache Default: Enabled Most processors that can be installed in this system use external level 2 (L2) cache memory to improve performance.
  • Page 49 Boot Up Floppy Seek Default: Enabled If this item is enabled, it checks the geometry of the floppy disk drives at start-up time. You don’t need to enable this item unless you have a legacy diskette drive with 360K capacity. Boot Up NumLock Status Default: On This item defines if the keyboard Num Lock key is active when your...
  • Page 50 HDD S.M.A.R.T Capability Default: Disabled The S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) system is a diagnostics technology that monitors and predicts device performance. S.M.A.R.T. software resides on both the disk drive and the host computer. The disk drive software monitors the internal per- formance of the motors, media, heads, and electronics of the drive.
  • Page 51: Advanced Chipset Features Option

    Advanced Chipset Features Option This option displays a table of items that define critical timing parameters of the mainboard components including the memory, and the system logic. Generally, you should leave the items on this page at their default values unless you are very familiar with the technical specifications of your system hardware.
  • Page 52 DRAM Clock Default: Host CLK This item sets the DRAM Clock. We recommend that you leave this item at the default value. Memory Hole Default: Disabled This item can be used to reserve memory space for some ISA expan- sion cards that require it. Read Around Write Default Disabled This item optimizes DRAM.
  • Page 53 CPU to PCI Write Buffer Default: Enabled When enabled, up to four words of data can be written to the PCI bus without interrupting the CPU. When disabled, a write buffer is not used and the CPU read cycle will not be completed until the PCI bus signals that it is ready to receive the data.
  • Page 54: Integrated Peripherals Option

    OnChip Modem Default: Auto When set to Disabled, the onboard modem chip is turned off. Memory Parity/ECC Check Default: Disabled Enable this item to allow BIOS to perform a parity check to the POST memory tests. Select Enabled only if the system DRAM supports parity checking.
  • Page 55 IDE Primary/Secondary Master/Slave PIO Default: Auto Each IDE channel supports a master device and a slave device. These four items let you assign which kind of PIO (Programmed Input/Output) is used by IDE devices. You can choose Auto, to let the system auto detect which PIO mode is best, or you can install a PIO mode from 0-4.
  • Page 56 UART 2 Mode Default: Standard This field is available if the Onboard Serial Port 2 field is set to any op- tion but Disabled. UART Mode Select enables you to select the infrared communication protocol—Standard (default), HPSIR or ASKIR. HPSIR is Hewlett Packard’s infrared communication protocol with a maximum baud rate up to 115.2K bps.
  • Page 57 ECP Mode Use DMA Default: 3 When the onboard parallel port is set to ECP mode, the parallel port has the option to use DMA 3 (default) or DMA 1. Parallel Port EPP Type Default: EPP1.7 Sets the EPP specification. There are two options, EPP1.9 and EPP1.7. If you make any changes to the onboard FDD controller, serial ports or parallel ports in this setup, save the changes and turn off the system.
  • Page 58: Power Management Setup Option

    Power Management Setup Option This option displays items that let you control the system power management. Modern operating systems take care of much of the power management. This mainboard supports ACPI (Ad- vanced Configuration and Power Interface). The system has various power saving modes including powering down the hard disk, turning off the video, suspending to RAM, and a software power down that allows the system to be automatically resumed...
  • Page 59 ACPI Function Default: Enabled This mainboard supports ACPI (Advanced Configuration and Power management Interface). Use this item to enable or disable the ACPI feature. Note: ACPI is a power management specification that makes hardware status information available to the operating system. ACPI enables a PC to turn its peripherals on and off for improved power management.
  • Page 60 HDD Power Down Default: Disabled The IDE hard drive will spin down if it is not accessed within a specified length of time. Options are from 1 Min to 15 Min and Disable. Doze Mode Default: Disabled The system speed will change from turbo to slow if no Power Manage- ment events occur for a specified length of time.
  • Page 61 Soft-Off by PWRBTN Default: Instant-Off Under ACPI (Advanced Configuration and Power management Inter- face) you can create a software power down. In a software power down, the system can be resumed by Wake Up Alarms. This item lets you in- stall a software power down that is controlled by the normal power button on your system.
  • Page 62 LPT & COM Default: LPT/COM When this item is enabled, the system will restart the power-saving timeout counters when any activity is detected on the serial ports, or the parallel port. HDD & FDD Default: ON When this item is enabled, the system will restart the power-saving timeout counters when any activity is detected on the hard disk drive or the floppy diskette drive.
  • Page 63 CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software IRQs Activity Monitoring IRQ 3 (COM2) Enabled Item Help IRQ 4 (COM1) Enabled IRQ 5 (LPT2) Enabled Menu Level IRQ 6 (Floppy Disk) Enabled IRQ 7 (LPT1) Enabled IRQ 8 (RTC Alarm) Disabled IRQ 9...
  • Page 64: Pnp/Pci Configuration Option

    PNP/PCI Configuration Option This option displays a table of items that configures how PnP (Plug and Play) and PCI expansion cards operate in your system. Both the ISA and PCI buses on the Mainboard use system IRQs (Inter- rupt ReQuests) and DMAs (Direct Memory Access). You must set up the IRQ and DMA assignments correctly through the PnP/PCI Configurations Setup utility;...
  • Page 65 If you cannot get a legacy ISA (Industry Standard Architecture) expan- sion card to work properly, you might be able to solve the problem by changing this item to Manual, and then opening up the IRQ Resources and Memory Resources sub-menus. In the IRQ Resources sub-menu, if you change any of the IRQ assigna- tions to Legacy ISA, then that Interrupt Request Line is reserved for a legacy ISA expansion card.
  • Page 66: Pci Health Status Option

    PCI Health Status Option On mainboards that support hardware monitoring, this item lets you monitor the parameters for critical voltages, critical tem- peratures, and fan speeds. You cannot make any changes to these fields. They are display only: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software PC Health Status Shutdown Temperature Disabled...
  • Page 67: Frequency Control Option

    Frequency Control Option This item enables you to set the clock speed and system bus for your system. The clock speed and system bus are determined by the kind of processor you have installed in your system. CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Frequency Control Auto Detect DIMM/PCI Clk Enabled...
  • Page 68: Load Fail-Safe Defaults Option

    For example, if you have a processor that is rated to run at 450 MHz and the system is running a frontside bus frequency of 100 MHz, you should select a multiplier of 4.5 so that: 4.5 (Multiplier) x 100 MHz (frontside bus) = 450 MHz (CPU clock) CPU Clock failed reset Default: Disabled When this item is enabled and the system crashes three times because...
  • Page 69: Set Supervisor And User Passwords Options

    Set Supervisor and User Passwords Options These items can be used to install a password. A Supervisor password takes precedence over a User password, and the Su- pervisor can limit the activities of a User. To install a password, follow these steps: 1.
  • Page 70: Save & Exit Setup Option

    Save & Exit Setup Option Highlight this item and press <Enter> to save the changes that you have made in the Setup Utility and exit the Setup Utility. When the Save and Exit dialog box appears, press <Y> to save and exit, or press <N>...
  • Page 71: Chapter 4: Software

    The software for this mainboard is stored in the MS7127C folder. Note: Never try to install software from a folder that is not speci- fied for use with your mainboard.
  • Page 72: Utility Folder Installation Notes

    MS7127C Folder You can use the software in the following sub-folders: " AUDIO and IDE: Most of the sub-folders in this folder are empty, with a short README file giving directions to alternate folders for the appropriate software. Running the Support CD-ROM 1.
  • Page 73: Mediaring Talk

    PC-cillin Software The PC-cillin software program provides anti-virus protection for your system. This program is available for: ! DOS – \UTILITY\PC-CILLIN\DOS\PCSCAN.EXE ! Win98 – \UTILITY\PC-CILLIN\WIN98\SETUP.EXE Anti-virus software is provided for DOS and WIN95/98. Browse to the appropriate directory for your operating system. For DOS, copy all the files in the DOS folder to your hard disk drive and run PSCAN to scan your system.
  • Page 74: Mainboard (Ms7127C) Installation Notes

    Refer to your operating system handbook for instructions on in- stalling Linux drivers. Mainboard (MS7127C) Installation Notes Most of the sub-folders in this folder are empty, with a short RE- ADME file giving directions to alternate folders for the appropriate...
  • Page 75: Appendix: Jumper Setting Reference

    Quick Jumper Setting Reference JP1: Clear CMOS jumper Use this jumper to clear the contents of the CMOS memory. You may need to clear the CMOS memory if the settings in the BIOS Setup Utility are incorrect and are preventing your mainboard from operating.
  • Page 76 JP4: Onboard/AMR slot codec select jumper Use this jumper to disable the onboard codec, or to enable the onboard codec to work with an AMR card in slave mode. When pins 2 and 3 are short, the onboard codec is disabled. Function Jumper Setting Onboard codec enabled...
  • Page 77 Note: The CPU speed is determined by the CPU Host/PCI Clock speed multiplied by the CPU Clock Ratio. Refer to the Frequency Control Option in Chapter 3 for more information. Forcing the CPU to run at a higher clock speed then it was rated for is called overclocking and is not recommended.

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