MSI ATX BX1 Specifications

CHAPTER 1 INTRODUCTION1-1The ATX BX1 mainboard is a high-performance personal computermainboard based on the Pentium® II processor. The Pentium® II

CHAPTER 2 HARDWARE INSTALLATION2-5Step 3: Install the Heat Sink Support Base.Look for the Two holes across Slot 1, and match it with the Two legsof th

CHAPTER 2 HARDWARE INSTALLATION2-6S.E.C. Cartridge - Thermal PIsometric ViewStep 5: Install the Heat Sink with Fan to the Processor.Push down the met

CHAPTER 2 HARDWARE INSTALLATION2-7Step 6: Install the Processor.Unlock the Processor by pushing in the Processor Locks.Insert the Processor like inse

CHAPTER 2 HARDWARE INSTALLATION2-8Step 8: Install the Heat Sink Support Top Bar.Push the Heat Sink Support Top Bar to the Heat Sink Support Base,Unti

CHAPTER 2 HARDWARE INSTALLATION2-9B. Boxed Pentium® II Processor Installation ProceduresThe Boxed Pentium® II Processor has a built- in Fan and Heat

CHAPTER 2 HARDWARE INSTALLATION2-10Step 3: Install the Heat Sink Support Base.Look for the 2 holes across Slot 1, and match it with the 2 Heat SinkSup

CHAPTER 2 HARDWARE INSTALLATION2-11PC-3743Heat SinkSupport LockIntel® BoxedPentium® IIProcessorStep 4: Install the Heat Sink Support.Attach the 2 Hea

CHAPTER 2 HARDWARE INSTALLATION2-12PC-3744ProcessorLockHeatsinkSupportLockStep 5: Unlock the Processor Locks and Heat Sink Support Locks.Push in the

CHAPTER 2 HARDWARE INSTALLATION2-13PC-3745Step 7: Lock the Processor Locks and Heat Sink Support LocksSecure the CPU by pushing out the Processor Loc

CHAPTER 2 HARDWARE INSTALLATION2-14SLOT1RetentionMechanismêêKeyêêRetentionMechanismAttach MountNotchKeyStep 1: Insert the Retention Mechanism Attach

CHAPTER 1 INTRODUCTION1.1 Mainboard FeaturesCPUl Slot 1 for Pentium® II processor.l Supports 233MHz, 266MHz, 300MHz, 333MHz, 400MHz, and faster.l Cor

CHAPTER 2 HARDWARE INSTALLATION2-15Step 3: Install the Heat Sink to the Processor.Push down the plastic clips, so that they are in line with the hole

CHAPTER 2 HARDWARE INSTALLATION2-161 2 3 4 Core/Bus RatioON OFF ON ON 2.5ON ON OFF ON 3ON OFF OFF ON 3.5ON ON ON OF F 4ON OFF ON OFF 4.5ON ON OFF OFF

CHAPTER 2 HARDWARE INSTALLATION2-172.1-3 CPU Speed SettingTo adjust the speed of the CPU, you must know the specification of yourCPU (always ask the

CHAPTER 2 HARDWARE INSTALLATION2-182.1-4 Fan Power Connectors: CPUFAN1/PSFAN1/SYSFAN1These connectors support system cooling fan with +12V. It suppo

CHAPTER 2 HARDWARE INSTALLATION2-192.2 Clear CMOS Jumper: JBAT1A battery must be used to retain the mainboard configuration in CMOSRAM. If you use

CHAPTER 2 HARDWARE INSTALLATION2-202.3 Memory Installation2.3-1 Memory Bank ConfigurationThe mainboard supports a maximum of 512MB (8M x 8) or 1GB

CHAPTER 2 HARDWARE INSTALLATION2-21A. How to install a DIMM Module1. The DIMM slot has a two Notch Key “VOLT and DRAM”, so theDIMM memory module can

CHAPTER 2 HARDWARE INSTALLATION2-221. Supports SDRAM DIMM.2. To operate properly, at least one 168-pin DIMM module must beinstalled.3. This mainboa

CHAPTER 2 HARDWARE INSTALLATION2-232.4 Case Connector: JFP1The Power Switch, Reset Switch, Key Lock, Power LED, Speaker and HDDLED are all connected

CHAPTER 2 HARDWARE INSTALLATION2-242.4-1 Power SwitchConnect to a 2-pin push button switch. This switch had the same featurewith JRMS1.2.4-2 Reset Sw

CHAPTER 1 INTRODUCTION1-3On-Board IDEl An IDE controller on the Intel® 82371EB PCI chipset provides IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA/

CHAPTER 2 HARDWARE INSTALLATION2-252.5 Floppy Disk Connector: FDDThe mainboard also provides a standard floppy disk connector FDC thatsupports 360K,

CHAPTER 2 HARDWARE INSTALLATION2-262.6 Hard Disk Connectors: IDE1 & IDE2The mainboard has a 32-bit Enhanced PCI IDE Controller that provides PIOm

CHAPTER 2 HARDWARE INSTALLATION2-272.7 Power Supply2.7-1 ATX 20-pin Power Connector: JPW1This connector supports the power button on-board. Using t

CHAPTER 2 HARDWARE INSTALLATION2-282.7-2 Remote Power On/Off Switch: JRMS1Connect to a 2-pin push button switch. During OFF state, press once andth

CHAPTER 2 HARDWARE INSTALLATION2-292.8 IrDA Infrared Module Connector: IR1The mainboard provides one 5-pin infrared (IR1) connector for IR modules.T

CHAPTER 2 HARDWARE INSTALLATION2-302.9 Serial Port Connectors: COM A & COM BThe mainboard has two 9-pin male DIN connectors for serial ports COM

CHAPTER 2 HARDWARE INSTALLATION2-312.10 Parallel Port Connector: LPTThe mainboard provides a 25 pin female centronic connector for LPT. Aparallel po

CHAPTER 2 HARDWARE INSTALLATION2-322.11 Mouse Connector: JKBMS1The mainboard provides a standard PS/2® mouse mini DIN connector forattaching a PS/2®

CHAPTER 2 HARDWARE INSTALLATION2-332.13 USB Connector: USBThe mainboard provides a UHCI(Universal Host Controller Interface)Universal Serial Bus roo

CHAPTER 2 HARDWARE INSTALLATION2-342.14 Power Saving Switch Connector: JGS1Attach a power saving switch to JGS1. When the switch is pressed, thesyst

CHAPTER 1 INTRODUCTION1-4Keyboard Connectorl PS/2® keyboard interface and PS/2® mouse interface.Dimensionl ATX Form Factor: 30cm(L) x 22.5cm(W) x 4 l

CHAPTER 2 HARDWARE INSTALLATION2-352.15 Power Saving LED Connector: JGL1 JGL1 can be connected with LED. This will lit while the system is in suspend

CHAPTER 2 HARDWARE INSTALLATION2-362.16 Power On Mode Jumper: JP2The mainboard supports two kinds of system boot up: the Boot-Up byswitch and the Imm

CHAPTER 2 HARDWARE INSTALLATION2-372.17 SB_LinkTM Card Sound Connector: SB_LINKThe mainboard provides a distributed DMA connector for PCI sound cardw

CHAPTER 2 HARDWARE INSTALLATION2-38JMDM12.18 Modem Wake Up Connector: JMDM1The JMDM1 connector is for used with Modem add-on card that supportsthe Mo

CHAPTER 2 HARDWARE INSTALLATION2-392.19 Wake-Up on LAN Connector: JWOL1The JWOL1 connector is for use with LAN add-on cards that supportsWake Up on L

CHAPTER 2 HARDWARE INSTALLATION2-402.20 CPU Temperature Sensor: JSOR1This is used to check the CPU temperature. The JSOR1 is a sensor that isplaced

CHAPTER 2 HARDWARE INSTALLATION2-412.21 Chassis Intrusion Connector: JP3This connector is connected to 2-pin connector chassis switch. If theChassi

CHAPTER 2 HARDWARE INSTALLATION2-422.22 Keyboard Power-On Enabled: JVSB(reserved)This is used to enable the keyboard power on feature. This mainboa

CHAPTER 3 AWARD® BIOS SETUP3-1Chapter 3AWARD® BIOS SETUPAward® BIOS ROM has a built-in Setup program that allows users to modifythe basic system confi

CHAPTER 3 AWARD® BIOS SETUP3-23.1 Entering SetupPower on the computer and press <Del> immediately to allow youto enter Setup. The other way to

CHAPTER 1 INTRODUCTION1.2 Mainboard Layout1-5DIMM 1Top: mouseBottom:keyboardTop: Port 1USBTop: LPTBottom:COM ACOM BDIMM 2DIMM 3DIMM 4ISA SLOTISA SLO

CHAPTER 3 AWARD® BIOS SETUP3-33.3 The Main MenuOnce you enter Award® BIOS CMOS Setup Utility, the Main Menu (Figure 1)will appear on the screen. The

CHAPTER 3 AWARD® BIOS SETUP3-4Chipset Features SetupThis setup page includes all the items of chipset special features.Power Management SetupThis cate

CHAPTER 3 AWARD® BIOS SETUP3-53.4 Standard CMOS SetupThe items in Standard CMOS Setup Menu are divided into 10categories. Each category includes no,

CHAPTER 3 AWARD® BIOS SETUP3-6DateThe date format is <day><month> <date> <year>.Day Day of the week, from Sun to Sat, determin

CHAPTER 3 AWARD® BIOS SETUP3-7If the controller of HDD interface is ESDI, the selection shall be“Type 1”.If the controller of HDD interface is SCSI, t

CHAPTER 3 AWARD® BIOS SETUP3-83.5 BIOS Features SetupROM PCI/ISA BIOS (2A59IM4A)BIOS FEATURES SETUPAWARD SOFTWARE, INC.Virus Protection ByDuring and a

CHAPTER 3 AWARD® BIOS SETUP3-9AwardNone (default) No warning message to appear when anythingattempts to access the boot sector or hard diskpartition t

CHAPTER 3 AWARD® BIOS SETUP3-10Boot From LAN FirstDuring Enabled, If there’s a LAN card onboard the priority frombooting will be from the LAN.Boot Seq

CHAPTER 3 AWARD® BIOS SETUP3-11Security OptionThis category allows you to limit access to the system and Setup,or just to Setup.System The system will

CHAPTER 3 AWARD® BIOS SETUP3-12Report No FDD For WIN 95This function is only use when you are testing SCT for Windows®95 Logo.Video BIOS ShadowDetermi

CHAPTER 2 HARDWARE INSTALLATION2-1Chapter 2HARDWARE INSTALLATION2.1 Central Processing Unit: CPUThe mainboard operates with Intel® Pentium® II proces

CHAPTER 3 AWARD® BIOS SETUP3-13Auto Configuration :EnabledSDRAM CAS Latency Time :3DRAM Data Integrity Mode :Non-ECCSystem BIOS Cacheable :DisabledVid

CHAPTER 3 AWARD® BIOS SETUP3-14Auto ConfigurationChoosing Enabled (default) will automatically configure chipsetfeatures using default settings. Choo

CHAPTER 3 AWARD® BIOS SETUP3-158 Bit I/O Recovery TimeThe recovery time is the length of time, measured in CPU clocks,which the system will delay afte

CHAPTER 3 AWARD® BIOS SETUP3-163.7 Power Management SetupThe Power Management Setup will appear on your screen like this:ROM PCI/ISA BIOS (2A59IM4A)PO

CHAPTER 3 AWARD® BIOS SETUP3-17ACPI FunctionDuring Enabled, this will support ACPI function.Power ManagementDisable Global Power Management will bedis

CHAPTER 3 AWARD® BIOS SETUP3-18Doze ModeDisable System will never enter DOZE mode.1 Min/2 Min/4 Min/6 Min/8 Min/10 Min/20 Min/30 Min/40 Min/1

CHAPTER 3 AWARD® BIOS SETUP3-19HDD Power DownDisable HDD’s motor will not shut off.1 Min/2 Min/3 Min/4 Min/5 Min/6 Min/7 Min/8 Min/ 9 Min/10

CHAPTER 3 AWARD® BIOS SETUP3-20Throttle Duty CycleThis option will determine how much power will be used by theCPU , if the system goes into suspend m

CHAPTER 3 AWARD® BIOS SETUP3-21Resume by AlarmThis function is for setting date and time for your computer to bootup. During Disabled, you cannot use

CHAPTER 3 AWARD® BIOS SETUP3-22IRQ 8 Clock EventIRQ[3-7,9-15], NMI : EnabledPrimary IDE 0 : EnabledPrimary IDE 1 : DisabledSecondary IDE 0 : DisabledS

CHAPTER 2 HARDWARE INSTALLATION2-22.1-1 CPU Installation ProceduresA. OEM Pentium® II Processor Installation ProceduresDifferent kinds of Pentium® I

CHAPTER 3 AWARD® BIOS SETUP3-233.8 PNP/PCI Configuration SetupYou can manually configure the PCI Device’s IRQ. The followingpages tell you the options

CHAPTER 3 AWARD® BIOS SETUP3-24Resources Controlled ByBy Choosing “Auto”, the system BIOS will detect the systemresource and automatically assign the

CHAPTER 3 AWARD® BIOS SETUP3-25IRQ-15 assigned to : PCI/ISA PnPDMA-0 assigned to : PCI/ISA PnPDMA-1 assigned to : PCI/ISA PnPDMA-3 assig

CHAPTER 3 AWARD® BIOS SETUP3-263.9 Load BIOS/Setup DefaultsThis Main Menu item loads the default system values. If the CMOSis corrupted the defaults a

CHAPTER 3 AWARD® BIOS SETUP3-273.10 Special Features Setup (optional)This Special Features Setup are use by System Hardware Monitor chipset.You can ma

CHAPTER 3 AWARD® BIOS SETUP3-28Chassis Intrusion DetectSet this option to Enabled, Reset, or Disabled the chassis intrusiondetector. During Enabled,

CHAPTER 3 AWARD® BIOS SETUP3-293.11 Integrated PeripheralsROM PCI/ISA BIOS (2A69HM4D)INTEGRATED PERIPHERALSAWARD SOFTWARE, INC.IDE HDD Block ModeEnabl

CHAPTER 3 AWARD® BIOS SETUP3-30IDE Secondary Slave PIOAuto/Mode0/Mode1-4For these 4 IDE options, choose “Auto” to have the system BIOSauto detect the

CHAPTER 3 AWARD® BIOS SETUP3-31USB Keyboard SupportEnabled/Disabled Choosing Enabled will allow the systemto use USB keyboard without a devicedriver.O

CHAPTER 3 AWARD® BIOS SETUP3-32UART Mode SelectThis item allow you to determine which Infra Red (IR) function ofonboard I/O chip.Onboard Parallel Port

CHAPTER 2 HARDWARE INSTALLATION2-3*Heat Sink Support Pin (HSSPIN) - Plastic pins inserted through theHSSBASE to secure it to the mainboard (2required

CHAPTER 3 AWARD® BIOS SETUP3-33channels 3 or 1. The onboard parallelport is EPP Spec. compliant, so after theuser chooses the onboard parallel portwi

CHAPTER 3 AWARD® BIOS SETUP3-343.12 Supervisor/User Password SettingThis Main Menu item lets you configure the system so that apassword is required ea

CHAPTER 3 AWARD® BIOS SETUP3-35 HARD DISKS TYPE SIZE CYLS HEADS PRECOMP LANDZONE SECTOR MODEPrimary Master: Auto 0 0 0 0 0 0 AUTOPrimary Slave : Aut

CHAPTER 2 HARDWARE INSTALLATION2-4SLOT1RetentionMechanismêêKeyêêRetentionMechanismAttach MountNotchKeyStep 1: Insert the Retention Mechanism Attach M