Micronics PCI/ISA System Board D6-IN Technical Information

Twister LX Pentium IISystem Board ManualDocument Number: 06-00338-01, Rev. 1BMarch 199845365 Northport Loop West, Fremont, CA. 94538-6417

Twister LX System Board Manual8Before You BeginThis manual will familiarize you with the features, installa-tion and use of your Twister LX. There are

Twister LX System Board ManualChapter 1: Quick Installation91ChapterQuick InstallationWe know that many experienced people prefer to read aslittle of

Twister LX System Board Manual10Figure 1.1: Power-Up ScreenChapter 1: Quick Installation11. After you have configured the Main Setup menu,make any des

Twister LX System Board ManualConfiguring the Twister LXAlthough the Twister LX system board is packaged inmaterials that are designed to protect it f

Twister LX System Board ManualTwister LX System BoardChapter 2: Configuring the Twister LX12Figure 2-1: Twister LX System Board Diagram

Twister LX System Board ManualChapter 2: Configuring the Twister LX13Jumper SettingsThis section provides the jumper settings for the Twister LX syste

Twister LX System Board ManualChapter 2: Configuring the Twister LX14Table 2-3 lists the connector and peripheral connections.Table 2-3: Connector and

Twister LX System Board ManualChapter 2: Configuring the Twister LX15Table 2-3a: Connector and Peripheral ConnectionsrotcennoCnoitcnuFsetoN82JnaFUPC;r

Twister LX System Board ManualChapter 2: Configuring the Twister LX16

Twister LX System Board ManualChapter 3: Installing the Twister LX3ChapterInstalling the Twister LXIntroductionThis chapter explains how to install th

Twister LX System Board Manual2Copyright NoticesCopyright  1998 Micronics Computers, Inc. The information con-tained in the Twister LX PCI/ISA/AGP Pe

Twister LX System Board ManualInstalling the Twister LXInstallation of the Twister LX system board depends on thetype of case you use. The Twister LX

Twister LX System Board ManualChapter 3: Installing the Twister LX19System MemorySystem memory is necessary to operate the Twister LXsystem board. The

Twister LX System Board ManualChapter 3: Installing the Twister LX20Memory ConfigurationsDIMM memory configuration is auto-banking and there-fore does

Twister LX System Board ManualChapter 3: Installing the Twister LX21Table 3-1a: Memory ConfigurationsyromeM0knaB1knaB2knaBBM6946xM446xM446xM4BM21146xM

Twister LX System Board ManualChapter 3: Installing the Twister LX22Support Bridgewith StudsRetentionBaseCPU InstallationThe Twister LX is designed to

Twister LX System Board ManualChapter 3: Installing the Twister LX232. Place the Retention Base over the Slot 1 connectorand insert it down into the S

Twister LX System Board Manual4. The Heatsink components consist of a top bar, baseand two pins. Gently insert the Heatsink base intothe holes next to

Twister LX System Board ManualChapter 3: Installing the Twister LX25CPU InstallationOverview1. Mount the RetentionMechanism for theCPU.2. Mount the (o

Twister LX System Board ManualChapter 3: Installing the Twister LX26Figure 3-2: Installing a CPU (Boxed version)12343Install tosystem boardCPU Install

Twister LX System Board ManualChapter 3: Installing the Twister LX27Installing DIMMsTo install the DIMMs, locate the memory banks on thesystem board a

Twister LX System Board Manual1Table of ContentsIntroduction 5Features 6Software Compatibility 7Before You Begin 8Chapter 1 - Quick Installation 9Inst

Twister LX System Board ManualChapter 3: Installing the Twister LX28Installing a PCI Peripheral CardMicronics PCI slots accommodate all PCI peripheral

Twister LX System Board ManualInstalling an ISA Peripheral CardMicronics ISA slots accommodate all standard ISAperipherals. Follow the steps below to

Twister LX System Board ManualChapter 3: Installing the Twister LX30Installing an AGP Peripheral CardMicronics AGP slot can accommodate all AGP periph

Twister LX System Board Manual31The BIOS Setup UtilityConfigurationAfter the Twister LX system board and all hardware isinstalled, the system is ready

Twister LX System Board Manual32When the system is turned on, it performs a memory test,and a BIOS identification and system information screenis disp

Twister LX System Board ManualChapter 4: The BIOS Setup Utility33Running the Setup ProgramThe Twister LX system board has six primary CMOSconfiguratio

Twister LX System Board ManualChapter 4: The BIOS Setup Utility34Standard CMOS SetupThe STANDARD CMOS SETUP allows checking ormodification of general

Twister LX System Board ManualChapter 4: The BIOS Setup Utility35ing zone (LANDZ), number of sectors per track (SEC-TOR), and HDD mode (MODE). NOTE: W

Twister LX System Board ManualChapter 4: The BIOS Setup UtilityBIOS Features SetupThis feature allows you to set the Award enhanced BIOSoptions of you

Twister LX System Board ManualChapter 4: The BIOS Setup Utility37Quick Power-On Self-TestWhen enabled, this selection will reduce the amount oftime re

Twister LX System Board ManualInstalling a PCI Peripheral Card 28Installing an ISA Peripheral Card 29Installing an AGP Peripheral Card 30Chapter 4 - T

Twister LX System Board ManualChapter 4: The BIOS Setup Utility38Gate A20 OptionGate A20 refers to the way the system addresses memoryabove 1MB (exten

Twister LX System Board ManualOS Select for DRAM>64MBThis selection allows you to select the amount of memoryinstalled for your operating system. T

Twister LX System Board ManualChapter 4: The BIOS Setup Utility40Chipset Features SetupThe Chipset Features Setup allows you to program theIntel 430TX

Twister LX System Board ManualChapter 4: The BIOS Setup Utility41MA Wait StateSelect the wait state before the beginning of a memoryread. The default

Twister LX System Board ManualChapter 4: The BIOS Setup Utility42CPU-To-PCI IDE PostingSelect Enabled to post write cycles from the CPU to thePCI IDE

Twister LX System Board ManualChapter 4: The BIOS Setup Utility43Passive ReleaseWhen enabled, CPU to PCI bus accesses are allowedduring passive releas

Twister LX System Board ManualPower Management SetupThe Power Management Setup option controls the powermanagement functions of the system. To access

Twister LX System Board ManualPM Control By APMWhen enabled, power management is controlled by theAdvanced Power Management (APM) feature, whichgives

Twister LX System Board Manual46Standby ModeAfter the selected period of system inactivity (1 minuteto 1 hour), the fixed disk drive and the video shu

Twister LX System Board ManualChapter 4: The BIOS Setup UtilityIRQ 8 Clock EventSets the monitoring of IRQ8 (Real Time Clock) so thatit does not awake

Twister LX System Board ManualAppendix A - Technical Information 61Specifications 61Environmental Specifications 63Temperature Range 63Relative Humidi

Twister LX System Board ManualChapter 4: The BIOS Setup Utility48PnP/PCI Configuration SetupThe PnP/PCI Configuration Setup option sets the vari-ous s

Twister LX System Board Manualdevices. If you select Auto all the interrupt request (IRQ)and DMA assignment fields disappear, as the BIOSautomatically

Twister LX System Board ManualChapter 4: The BIOS Setup Utility50PCI IDE Map ToSelect PCI IDE IRQ mapping or PC AT (ISA) interrupts.Used Memory Base A

Twister LX System Board ManualChapter 4: The BIOS Setup Utility51Integrated PeripheralsThis option sets the addresses of I/O subsystems thatdepend on

Twister LX System Board Manual52devices that the onboard IDE interface supports. Modes0 through 4 provide successively increased performance.In Auto (

Twister LX System Board Manual53Onboard Serial Port 1 and Serial Port 2Select a logical COM port name and matching addressfor the first and second ser

Twister LX System Board Manual54Supervisor PasswordThe Supervisor Password utility allows you to setup,change or disable the password stored in the BI

Twister LX System Board Manual55IDE HDD Auto DetectionThe IDE HDD Auto Detection option provides autoconfiguration of the hard drive installed in your

Twister LX System Board ManualHDD Low Level FormatMicronics recommends that only trained technicians use thisutility. This selection allows you to per

Twister LX System Board ManualSave and Exit SetupThis selection saves the changes you have made in thesetup program, then exits and reboots the system

Twister LX System Board Manual4List of FiguresFigure 1.1: Power-Up Screen 10Figure 2.1: Twister LX System Board 12Figure 3.1: Installing a 168-Pin DIM

Twister LX System Board ManualChapter 4: The BIOS Setup Utility58

Twister LX System Board ManualChapter 5: Special Features59Special FeaturesThe Twister LX achieves high reliability and high perfor-mance with numerou

Twister LX System Board ManualChapter 5: Special Features60Ultra DMA/33 IDEA hard drive interface protocol thatincreases the burst data transfer ratet

Twister LX System Board ManualAppendix A: Technical Information61AAppendixSpecificationsPart Number: 09-00338-xxProcessor: Single Intel Slot 1 forInt

Twister LX System Board ManualAppendix A: Technical InformationKeyboard/Mouse: AT keyboard connectorPS/2 mouse 8-pin header via cable connectorMemory

Twister LX System Board ManualAppendix A: Technical Information63Environmental SpecificationsThe environment in which the Twister LX is located is cri

Twister LX System Board ManualAppendix A: Technical InformationBattery DisposalWARNING:Please do not open battery, dispose of in fire, recharge, put i

Twister LX System Board ManualAppendix A: Technical Information65Support and Information ServicesMicronics offers a variety of support and information

Twister LX System Board ManualAppendix A: Technical Information66Table A-1: Support and Information ServicesecivreSsruoHyrtnuoCrebmuNenohpeleTplehenoh

Twister LX System Board ManualAppendix B: POST Messages67AppendixBPOST MessagesThe following table lists the Power On Self Test (POST)messages, possib

Twister LX System Board ManualIntroductionThank you for choosing the Twister LX system board.The Twister LX is an advanced single processor solutionfo

Twister LX System Board ManualAppendix B: POST Messages68Message Possible Cause SolutionMONITOR TYPEDOES NOT MATCHCMOSMonitor type notcorrectly identi

Twister LX System Board ManualAppendix C: Beep and POST Codes69Beep and POST CodesBeep codes are a series of beeps sent through the speakerwhich indic

Twister LX System Board ManualAppendix C: Beep and POST Codes70Code Beeps POST Routine Description02 Verify Real Mode.04 Get CPU type.06 Initialize sy

Twister LX System Board ManualAppendix C: Beep and POST CodesCode Beeps POST Routine Description4A Initialize all video adapters in system.4C Shadow v

Twister LX System Board ManualCode Beeps POST Routine Description9C Set up Power Management.9E Enable hardware interrupts.A0 Set time of day.A2 Check

Twister LX System Board ManualAppendix D: Updating the System BIOS73Updating the System BIOSThe Micronics system boards are designed so that theBIOS c

Twister LX System Board ManualAppendix D: Updating the System BIOS74

Twister LX System Board ManualAppendix E: Warranties and Notices75Limited WarrantyExcept as described below, Micronics warrants the prod-ucts to be fr

Twister LX System Board ManualAppendix E: Warranties and Notices76but if for any reason that remedy should fail of its essentialpurpose, the exclusive

Twister LX System Board ManualAppendix E: Warranties and Notices77FCC StatementThis equipment has been tested and found to complywithin the limits for

Twister LX System Board Manual6FeaturesThe Twister LX includes the following features:▲ Single Intel Slot 1 for:Intel Pentium II chip 233/266/300/33

Twister LX System Board Manual16550 UART - A high speed chip forcontrolling serial ports. Although un-necessary for a mouse, it is required formodems

Twister LX System Board ManualCPU - An acronym for Central Pro-cessing Unit. A CPU performs arith-metic calculations, makes logicaldecisions, and dire

Twister LX System Board ManualLM75 - The LM75 is a temperaturesensor. The host can query the LM75at any time to read the temperature.Its 3.0V to 5.5V

Twister LX System Board ManualSerial Port - A communications portused to connect peripherals such asmodems and mice.Serial Presence Detect - SomeSDRAM

Twister LX System Board ManualIndexBBattery Disposal - 60POST Messages - 63BIOSConfiguration - 37Setup - 37Bulletin Board System (BBS) - 62CConfigurin

Twister LX System Board ManualIInstallationCPU - 24Installing the Twister LX - 20AGP Peripheral Card - 33ISA Peripheral Card - 32PCI Peripheral Card -

Twister LX System Board ManualTTechnical Specifications - 57Technical Support - 61Troubleshooting - 63, 65UUpdating the System BIOS - 71Utility Progra

Twister LX System Board Manual7Software CompatibilityThe Twister LX system board has been thoroughly testedfor compatibility with a variety of operati