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Summary of Contents for Micronics Helios Dual Pentium II
- Page 1 Helios Dual Pentium II System Board Manual Document Number: 06-00329-01, Rev. 2A April 1998 45365 Northport Loop West, Fremont, CA. 94538-6417...
- Page 2 Helios PCI/ISA/AGP Dual Pentium II system board manual has been carefully checked and is believed to be accurate. Micronics assumes no responsibility for any inaccuracies that may be contained in this document. Micronics makes no commitments to update or to keep the information in this manual at a current level when changes are made to the product.
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Page 3: Table Of Contents
Table of Contents Introduction Features Software Compatibility Before You Begin Chapter 1 - Quick Installation Installing the Helios Chapter 2 - Configuring the Helios Static Electricity Environment Considerations Helios System Board Helios Back Panel Connections Jumper and Connector Settings Chapter 3 - Installing the Helios Introduction System Memory Support Installing the Helios... - Page 4 Installing a PCI Peripheral Card Installing an ISA Peripheral Card Installing an AGP Peripheral Card Installing a CD-ROM Drive Helios Sound Option Chapter 4 - The BIOS Setup Utility Configuration Initial Bootup Setup Running the Setup Procedure Info Screen Setting the CPU Speed Setting the Main Screen Setting the Advanced Screen Setting the Chipset Screen...
- Page 5 Appendix A - Technical Information Specifications Environmental Specifications Temperature Range Relative Humidity Battery Disposal Support and Information Services Technical Support Appendix B - Post Messages Appendix C - Beep and POST Codes Appendix D - Updating the System BIOS Appendix E - Warranties and Notices Limited Warranty Non-Warranty Service FCC Statement...
- Page 6 List of Figures Figure 1.1: Power-Up Screen Figure 2.1: Helios System Board Figure 2.2: Helios Back Panel Connections Figure 3.1: Installing a 168-Pin DIMM Figure 3.2: Installing a CPU Figure 3.3: Installing a CPU (Boxed version) Figure 3.4: Installing a PCI Card Figure 3.5: Installing an ISA Peripheral Card Figure 3.6: Installing an AGP Peripheral Card Figure 3.7: Connecting External Sound Devices...
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Page 7: Introduction
PC audio features. Helios is the ideal choice for excellent performance and sustained network reliability. Micronics builds all products to exacting standards, using the highest quality components available. We are proud to provide this system board and believe you will be pleased with your purchase. -
Page 8: Features
Introduction Features The Helios includes the following features: ® Dual Intel Slot 1 for: ® Intel Pentium II processors - 233/266/300/333MHz (66MHz FSB) ® Intel Pentium II processors - 350/400MHz (100MHz FSB) Integrated Voltage Regulator Modules Jumperless CPU configuration via BIOS Intel 440BX AGPset Intel PIIX 4e National PC87309 Enhanced Super I/O chip... -
Page 9: Software Compatibility
Introduction Software Compatibility The Helios system board has been thoroughly tested for compatibil- ity with a variety of operating systems and environments, including: Microsoft - DOS 6.2x Windows 95 Windows NT 3.5x Windows NT 4.0 IBM - OS/2 Warp 3.0 OS/2 Warp 4.0 SCO - UNIXWare 2.1.1... -
Page 10: Before You Begin
Introduction Before You Begin This manual will familiarize you with the features, installation and use of your Helios. There are several symbols and conven- tions used throughout this manual to help draw your attention to a feature or to focus on important information: When you see the Magnifying Glass, it refers to something you should take a closer look at before proceeding further. -
Page 11: Chapter 1 - Quick Installation
Chapter 1: Quick Installation Chapter Quick Installation We know that many experienced people prefer to read as little of the documentation as possible. If this sounds like you, here’s the short form to get up and running quickly. Installing the Helios 1. -
Page 12: Figure 1.1: Power-Up Screen
Chapter 1: Quick Installation Figure 1.1: Power-Up Screen 12. From the Main Menu screen, set the time and date. Adjust the BIOS settings to match your configuration. If installing an IDE drive, select the IDE device you wish to configure. Press ENTER with Type selected and the BIOS will automatically configure the drive for you (refer to Chapter 4). -
Page 13: Chapter 2 - Configuring The Helios
Chapter 2: Configuring the Helios Configuring the Helios Chapter Although the Helios system board is packaged in materials that are designed to protect it from physical damage and static electricity, it is important to use care while unpack- ing the board and setting it up. Static Electricity The Helios is shipped from the factory in an anti-static bag. -
Page 14: Helios System Board
Chapter 2: Configuring the Helios Helios System Board Figure 2-1: Helios System Board Diagram Back Panel Connections Figure 2-2: Helios Back Panel Helios System Board Manual... -
Page 15: Jumper And Connector Settings
Chapter 2: Configuring the Helios Jumper Settings This section provides jumper settings for the Helios system board that may or may not need to be changed. Other configurations can be changed through the BIOS Setup, such as the CPU speed. NOTE: For details on how to configure the CPU speed, see “Setting the CPU Speed”... -
Page 16: Table 2.3: Soft Power On/Off Setting
Chapter 2: Configuring the Helios Table 2-3 lists the setting for the system power-on setting. When set for Normal operation the power supply is turned On/Off using a momentary push-button switch connected to J28. i t c n i t ) t l Table 2-3: Soft Power On/Off Setting Table 2-4 lists the settings to enable or disable the optional onboard sound. -
Page 17: Figure 2.1: Helios System Board
Chapter 2: Configuring the Helios Table 2-7 lists the connectors and their functions. i t c i s n t o l r o t t l o r e f ) s t ) s ' c i v t r o e v i r o t... - Page 18 Chapter 2: Configuring the Helios *NOTE: If your system board comes with onboard audio, PCI slot location J20 becomes a non-bus-mastering slot, regardless of whether the onboard audio is enabled or disabled. Bus-mastering PCI cards (i.e., most LAN cards and SCSI host adapters) will not work when inserted into slot J20. They can, however, be used in slots J16-J19.
- Page 19 Chapter 2: Configuring the Helios r o t i t c ; d n ; r e l o o g n i r o t r o t i s i s l o o g n i ; d n ;...
- Page 20 Chapter 2: Configuring the Helios Helios System Board Manual...
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Page 21: Chapter 3: Installing The Helios
Chapter 1. Micronics recommends that only experienced tech- nicians install and configure the system board. Damage which occurs to the board while adding or removing peripherals or components may void the warranty. -
Page 22: Installing The Helios
NOTE: If you are unfamiliar with installing a system board, Micronics highly recommends that you read the computer user’s manual or contact your dealer’s technical support department. Tools Required... -
Page 23: System Memory
Adding Memory The following is a list of rules to follow when installing For long term reliability, DIMMs. If you follow these rules, your upgrade should be Micronics trouble-free: recommends using Use 8ns or faster PC100 SDRAM DIMMs when using... -
Page 24: Memory Configurations
Chapter 3: Installing the Helios Memory Configurations DIMM memory configuration is auto-banking and there- fore does not need to be installed in any particular order. The following table lists the most common memory configurations. Memory Bank 1 Bank 2 Bank 3 Bank 4 1Mx64 16MB... - Page 25 Chapter 3: Installing the Helios Memory Bank 1 Bank 2 Bank 3 Bank 4 64MB 4Mx64 4Mx64 64MB 8Mx64 80MB 4Mx64 2Mx64 2Mx64 2Mx64 80MB 4Mx64 4Mx64 1Mx64 1Mx64 80MB 8Mx64 2Mx64 80MB 8Mx64 1Mx64 1Mx64 96MB 4Mx64 4Mx64 2Mx64 2Mx64 96MB 4Mx64...
- Page 26 Chapter 3: Installing the Helios Memory Bank 1 Bank 2 Bank 3 Bank 4 192MB 16Mx64 4Mx64 4Mx64 192MB 8Mx64 8Mx64 4Mx64 4Mx64 192MB 8Mx64 8Mx64 8Mx64 224MB 16Mx64 8Mx64 2Mx64 2Mx64 224MB 16Mx64 8Mx64 4Mx64 256MB 16Mx64 16Mx64 256MB 16Mx64 8Mx64 4Mx64...
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Page 27: Installing Dimms
Chapter 3: Installing the Helios Installing DIMMs DIMM modules may be added one bank at a time. To install the DIMMs, locate the memory banks on the system board and perform the following steps: 1. Hold the DIMM so that the notched edge is aligned with the notch on the DIMM socket (Figure 3-1). -
Page 28: Cpu Installation
Chapter 3: Installing the Helios CPU Installation The Helios is designed to support single or dual Pentium II processors. The Pentium II processor comes installed in a Single Edge Contact (SEC) cartridge that connects into "Slot 1" on the system board. A Retention Mechanism is supplied to anchor the proces- sor to the system board. - Page 29 Chapter 3: Installing the Helios 2. Place the Retention Base over the Slot 1 connector and insert it down into the Support Bridges with studs. Note the “Keyed” location of both Slot 1 and the Retention Base. Keyed Retention Base 3.
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Page 30: Installing A Cpu
Chapter 3: Installing the Helios Installing a CPU If you are installing a single CPU, the Primary CPU slot (U1) must be used. You must also install a terminator card in the Secondary slot. If you are installing two CPU’s, we recommend that you follow the guidelines below: Use CPU’s of the same family type Use CPU’s of the same revision stepping (i.e., A0, A1, B0) - Page 31 Chapter 3: Installing the Helios 4. The Heatsink components consist of a top bar, base and two pins. Gently insert the Heatsink base into the holes next to the Slot 1 socket. Push down until the base snaps into place. Top Bar Base 5.
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Page 32: Cpu Installation Overview
Chapter 3: Installing the Helios CPU Installation Overview CPU Installation Overview 1. Mount the Retention Mechanism for the CPU. 2. Mount the (optional) heatsink support base onto the system board. 3. Slide the CPU into the Retention Mecha- nism. 4. Lock the CPU into the Retention mechanism using the tabs. -
Page 33: Cpu Installation (Box Version)
Chapter 3: Installing the Helios CPU Installation (Boxed version) A boxed version of the CPU is offered through Intel. This packaging uses an active cooling fan. The mounting hardware is described below. For detailed instructions, please refer to the documentation that is supplied with your CPU. -
Page 34: Installing A Pci Peripheral Card
Chapter 3: Installing the Helios Installing a PCI Peripheral Card Micronics PCI slots accommodate all PCI peripherals that meet the PCI 2.1 specifications. Follow the steps below to install a PCI card: 1. Turn the computer system off and remove its cover. -
Page 35: Installing An Isa Peripheral Card
Chapter 3: Installing the Helios Installing an ISA Peripheral Card Micronics ISA slots accommodate all standard ISA pe- ripherals. Follow the steps below to install an ISA card: 1. Turn the computer system off and remove its cover. 2. Choose an unused ISA slot and remove the slot cover. -
Page 36: Installing An Agp Peripheral Card
Chapter 3: Installing the Helios Installing an AGP Peripheral Card Micronics AGP slot can accommodate all AGP peripher- als that meet the Intel AGP bus specifications. Follow the steps below to install an AGP card: 1. Turn the computer system off and remove its cover. -
Page 37: Installing A Cd-Rom Drive
Chapter 3: Installing the Helios Installing a CD-ROM Drive The instructions below will help you with a CD-ROM drive installation, but also refer to the documentation that accompa- nied your CD-ROM drive. Before starting the setup and installation, make sure your computer is off and the power cord is disconnected from the wall outlet. -
Page 38: Helios Sound Option
Chapter 3: Installing the Helios Helios Sound Option You can connect external sound devices to your Helios system board to take advantage of the optional sound support (refer to Figure 2.2). The sound option includes 16-bit stereo sound and a game and MIDI port. See Chapter 5 for information on installing sound device drivers. - Page 39 Chapter 3: Installing the Helios Game Port You can use the Game Port connector to connect an IBM PC compatible joystick or MIDI instrument. Line Out The Line Out jack allows you to connect the audio output of the audio controller to your home stereo, VCR, or amplified speakers.
- Page 40 Chapter 3: Installing the Helios Helios System Board Manual...
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Page 41: Chapter 4 - The Bios Setup Utility
Chapter 4: The BIOS Setup Utility Chapter The BIOS Setup Utility Configuration After the Helios system board and all hardware is installed, the system is ready for configuration. Before turning on the computer, make sure all cables are correctly connected and all jumpers are correctly set. -
Page 42: Running The Setup Procedure
Chapter 4: The BIOS Setup Utility When the system is turned on, it performs a memory test, and a BIOS identification and system information screen is displayed on your monitor, as shown in Figure 4-1. Figure 4-1: Power-Up Screen When “Press <F2> to enter Setup” appears at the bottom of the screen, press the <F2>... -
Page 43: Info Screen
Chapter 4: The BIOS Setup Utility Info Screen The Info screen lists your system configuration information. This information is determined by your system configura- tion and cannot be manually changed. Figure 4-2: Info Screen Setting the CPU Speed These instructions will assist you when installing a new CPU or changing the CPU speed. - Page 44 Chapter 4: The BIOS Setup Utility 2. Turn on your system. When the system is powered up it will go into Setup automatically. 3. The first selection on the Main screen will be CPU Speed. Select the correct speed and press F10 (Save and Exit) to save your setting.
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Page 45: Setting The Main Screen
Chapter 4: The BIOS Setup Utility Setting the Main Screen The CMOS Main screen is used to set the time and date, to set the floppy drive types, to configure IDE hard disks and other categories. This chapter explains how to config- ure each of these categories. - Page 46 Chapter 4: The BIOS Setup Utility Diskette A or B To configure a floppy drive added to or removed from your computer, use the up and down arrow keys <↑/↓> to select the desired drive. Use the <+/-> keys to change the setting until it matches the floppy drive you installed.
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Page 47: Figure 4.4: Ide Device Submenu
Chapter 4: The BIOS Setup Utility Figure 4-4: IDE Device Submenu Type This category selects the drive type installed in the system. The options are Auto (default), User and None. If Autotype Fixed Disk does not find your drive’s parameters, fill this information in manually under the User category. - Page 48 Chapter 4: The BIOS Setup Utility LBA Mode Control Enabling this selection causes LBA (Logical Block Ad- dressing) to be used in place of Cylinders, Heads and Sectors. LBA Mode Control support drives larger than 500MB. The default setting is Enabled. 32-Bit I/O This category allows you to enable the 32-bit I/O function of the PCI IDE controller.
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Page 49: Setting The Advanced Screen
Chapter 4: The BIOS Setup Utility Setting the Advanced Screen The Advanced screen is used to configure the system devices. To move to the Advanced screen, use the left and right arrow keys <←/→> keys until you see the screen below. -
Page 50: Pci Configuration
Chapter 4: The BIOS Setup Utility PCI Configuration Use this selection for additional setup menus to configure IRQ’s for legacy ISA devices. PS/2 Mouse When disabled, this selection prevents the PS/2 mouse from functioning and frees up IRQ12. Selecting Autodetect (default) allows the operating system to determine whether to enable or disable the mouse. - Page 51 Chapter 4: The BIOS Setup Utility Integrated Sound Enables or disables the integrated sound interface. The default setting is Enabled. Keyboard Detection Setting this to Enabled (default) activates the keyboard detection upon boot. When disabled, it allows the system to boot without a keyboard attached. Helios System Board Manual...
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Page 52: Setting The Chipset Screen
Chapter 4: The BIOS Setup Utility Setting the Chipset Screen The Chipset screen allows you to program the Intel 440BX AGP chipset features. To access the Chipset setup screen, highlight this option on the main menu screen and press <Enter>. Figure 4-6: Chipset Setup Screen Graphics Aperture Select the size of the Graphics Aperture for the AGP video... -
Page 53: Setting The Features Screen
Chapter 4: The BIOS Setup Utility Setting the Features Screen The Features Screen allows you to configure the boot configuration, power management functions and the se- curity of the system. To move to the Features Screen, use the left and right arrow <←/→> keys until it appears. Figure 4-7: Features Setup Screen QuickBoot This selection allows the system to skip certain tests while... -
Page 54: Dmi Event Logging
Chapter 4: The BIOS Setup Utility Multiboot Use this selection for additional setup menus to configure your boot devices. Press <Enter> and a submenu appears. DMI Event Logging Use this selection for additional setup menus to control the DMI (Desktop Management Interface) Event Logging func- tions of the system. -
Page 55: Dmi Event Logging Submenu
Chapter 4: The BIOS Setup Utility Figure 4-8: DMI Event Logging Submenu Event Logging When Enabled (default), this selection allows logging of DMI (Desktop Management Interface) events. ECC Event Logging When Enabled (default), this selection allows logging of ECC (Error Checking and Correction) events. View DMI Event Log Press <Enter>... -
Page 56: Power Management Submenu
Chapter 4: The BIOS Setup Utility Figure 4-9: Power Management Submenu Power Savings This selection allows you to change the system power management settings. Maximum Power Savings conserves the greatest amount of system power. Maximum Perfor- mance conserves power but allows greatest system perfor- mance. - Page 57 Chapter 4: The BIOS Setup Utility options are Off (default), 5 min., 10 min., 15 min., 20 min., 30 min., 40 min. or 60 min. Before making changes, “Cus- tomized” must be selected in the Power Management Mode selection. Resume On Time When this feature is turned On, the system counts down to zero and awakes from Standby or Suspend mode.
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Page 58: Security Submenu
Chapter 4: The BIOS Setup Utility Figure 4-10: Security Submenu Set Supervisor Password This selection controls access to the Setup utility. Press the ENTER key to enter the Supervisor Password submenu. Type the password and press the ENTER key. Retype the password and press the ENTER key again. - Page 59 Chapter 4: The BIOS Setup Utility Password on Boot When enabled, the system requires a password upon power up. Either the Supervisor or User Password may be entered. The default setting is Disabled. Fixed Disk Boot Sector This selection allows the boot sector of the fixed disk to be write protected.
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Page 60: Exit Screen
Chapter 4: The BIOS Setup Utility Exit Screen After you complete configuring the BIOS, select the Exit screen. To move to the Exit Screen, use the left and right arrow <←/→> keys until it appears. To move between the categories, use the up and down arrow keys <↑/↓>. Figure 4-11: Exit Screen Choose “Save Changes and Exit”... -
Page 61: Chapter 5 - Installing Device Drivers
Chapter 5: Installing Device Drivers Chapter Installing Device Drivers This chapter explains how to install the software device drivers and utilities necessary to utilize the optional sound support. Other drivers and utilities are available through our online services. About Device Drivers Device drivers are necessary for the computer system to communicate with devices such as CD-ROM drives, sound controllers, graphics adapters or devices that are not na-... - Page 62 Chapter 5: Installing Device Drivers 5. If you are using Windows 95, refer to the Windows 95 user’s manual for instructions on how to install sound drivers. 6. If you are using Windows NT, refer to the Windows NT user’s manual for instructions on how to install sound drivers.
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Page 63: Chapter 6 - Special Features
Chapter 6: Special Features Chapter Special Features The Helios achieves high reliability, performance and scalability with numerous features. Intel’s 440BX AGPset In the competitive world of system board chipsets, Intel’s new 440BX places at the top with its support for the 100MHz Front Side Bus (FSB) tech- nology. -
Page 64: Sdram (Synchronous Dram)
Chapter 6: Special Features SDRAM (Synchronous DRAM) SDRAM is memory that can synchronize itself with the computer’s clock. This synchronization reduces time delays and allows for fast consecutive read and write c a p a b i l i t y . SDRAM can add as much as 10% to the... -
Page 65: Ultra Dma/33 Ide
Chapter 6: Special Features Ultra DMA/33 IDE A hard drive interface protocol that increases the burst data transfer rate to 33MBytes per second. Prior to this protocol, Mode-4 protocol has been the fastest at 16.6MB per second. This new protocol is supported by Intel’s 440LX and 440BX AGPsets. - Page 66 Chapter 6: Special Features Helios System Board Manual...
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Page 67: Appendix A: Technical Information
Appendix A: Technical Information Appendix Specifications Part Number: 09-00329-xx ® Processor: Dual Intel Slot 1 for: ® Intel Pentium II processors - 233/266/300/333MHz (66MHz FSB). ® Intel Pentium II processors - 350/400MHz (100MHz). Integrated VRMs CPU Clock: Support for 66 and 100MHz CPU bus Chipset: Intel 440BX AGPset Intel PIIX 4e... -
Page 68: Helios System Board Manual
Appendix A: Technical Information Keyboard/Mouse: PS/2 style keyboard and mouse Memory Capacity: Four 3.3V unbuffered 64/72-bit DIMM sockets (PC100 100MHz SDRAM memory supported). Maximum memory - 1GB SDRAM ECC supported via chipset when using 62/72-bit DIMMs. Onboard Sound: ESS Maestro-2 PCI audio Sound Blaster ™... -
Page 69: Environmental Specifications
Appendix A: Technical Information Environmental Specifications The environment in which the Helios is located is critical. Micronics recommends the following environmental specifications: Temperature Range Operating: 50 to 104 degrees Fahrenheit (10 to 40 degrees Celsius). Non -Operating: 50 to 140 degrees Fahrenheit (10 to 60 degrees Celsius). -
Page 70: Battery Disposal
Appendix A: Technical Information Battery Disposal WARNING: Please do not open battery, dispose of in fire, recharge, put in backwards or mix with used or other battery types. The battery may explode or leak and cause personal injury. Helios System Board Manual... -
Page 71: Support And Information Services
Appendix A: Technical Information Support and Information Services Micronics offers a variety of support and information ser- vices to help you get the most from your product. The following services are available: Technical Support Electronic Bulletin Board Service (BBS) Return Materials Authorization (RMA) -
Page 72: Table A.1: Support And Information Services
Appendix A: Technical Information i v r y r t l a c t r o e v i o r f l a c t r o c e l o r t c i n e l l n i t e c i i t a... -
Page 73: Appendix B - Post Messages
Appendix B: POST Messages Appendix POST Messages The following table lists the Power On Self Test (POST) messages, possible causes and solutions. Message Possible Cause Solution DISKETTE DRIVE A Drive A failed or is Check Setup and cable FAILURE missing. connections. - Page 74 Appendix B: POST Messages Message Possible Cause Solution MONITOR TYPE Monitor type not Run Setup and enter DOES NOT MATCH correctly identified in correct monitor type. CMOS Setup. OPERATING Operating system Check Setup to see if SYSTEM NOT cannot be located on Drive A: and C: are FOUND Drive C: or Drive A:...
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Page 75: Appendix C - Beep And Post Codes
Appendix C: Beep and POST Codes Appendix Beep and POST Codes Beep codes are a series of beeps sent through the speaker which indicate a problem during the Power On Self Test (POST). If text appears on the video screen, the Helios has completed POST;... - Page 76 Appendix C: Beep and POST Codes Code Beeps POST Routine Description Verify Real Mode. Get CPU type. Initialize system hardware. Initialize chipset registers with initial POST values. Get in POST Reg. Initialize CPU registers. Initialize cache initial POST values. Initialize I/O. Initialize the localbus IDE.
- Page 77 Appendix C: Beep and POST Codes Code Beeps POST Routine Description Initialize all video adapters in system. Shadow video BIOS ROM. Display copyright notice. Display CPU type and speed. Initialize EISA board. Test keyboard. Set key click if enabled. Enable keyboard. 2-2-3-1 Test for unexpected interrupts.
- Page 78 Appendix C: Beep and POST Codes Code Beeps POST Routine Description Set up Power Management. Enable hardware interrupts. Set time of day. Check key lock. Initialize typematic rate. Erase F2 prompt. Scan for F2 keystroke. Enter SETUP. Clear in-POST flag. Check for errors.
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Page 79: Appendix D - Updating The System Bios
Appendix D: Updating the System BIOS Appendix Updating the System BIOS The Micronics system boards are designed so that the BIOS can be reprogrammed using a BIOS file. You can easily FLASH a BIOS by following the steps below: 1. After downloading the appropriate BIOS file from our BBS or Website, extract it to a bootable MS-DOS 6.X... - Page 80 Appendix D: Updating the System BIOS Helios System Board Manual...
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Page 81: Appendix E: Warranties And Notices
Micronics, will pay inbound shipping charges. The exclusive remedy of the purchaser under this warranty above will be repair or replace at Micronics’ option, but if for Helios System Board Manual... -
Page 82: Non-Warranty Service
Micronics will not be liable for any lost profits or any indirect, special incidental or consequential damages in connection with the product, even if Micronics has been advised of the possibility of such damages. -
Page 83: Fcc Statement
Consult your dealer or an experienced radio/TV technician for help. To meet FCC requirements, shielded cables are required. NOTE: Changes or modifications not expressly approved by Micronics could void your authority to operate the equipment. Helios System Board Manual... -
Page 84: Glossary
Glossary Glossary 16550 UART - A high speed chip for number of modules on the same system controlling serial ports. Although un- board. The buffered DIMMs come with necessary for a mouse, it is required for standard DRAM chips for either 5V or modems that are 14,400 baud or faster. - Page 85 Glossary CPU - An acronym for Central Pro- ECP - An acronym for Expanded cessing Unit. A CPU performs arith- Capabilities Port. A standard set by metic calculations, makes logical Hewlett Packard and Microsoft Corpo- decisions, and directs the operation of ration to expand the capabilities of the the computer in conjunction with the parallel port.
- Page 86 Glossary ISA - An acronym for Industry Stan- These are called PC100 modules. The dard Architecture. A well-established PC100 specification defines very strin- bus standard that originated with the gent design rules for these 100MHz IBM AT. See PCI and VESA Local Bus. modules.
- Page 87 Glossary or three cycles while maintaining a ROM - An acronym for Read Only bandwidth of one access per cycle. Memory. A type of memory that retains Improves performance by 5-10%. its data without requiring power. Once written, it cannot be modified. See Unbuffered DIMMs - The unbuffered EPROM and Flash ROM.
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Page 88: Index
Index Index Battery Disposal - 68 POST Messages - 71 BIOS Configuration - 39 Setup - 39 Bulletin Board System (BBS) - 70 Configuring the Helios- 11 Box Version - 31 Installation - 28 Overview 30 Retention Mechanism - 26 Speed Configuration- 41 Diagram (Helios) - 12 Environmental Specifications - 67... - Page 89 Index Installation AGP Peripheral Card - 34 CPU - 26 Installing the Helios - 19 ISA Peripheral Card - 33 PCI Peripheral Card - 32 Quick Installation - 9 Jumper and Connector Settings - 13 Helios System Board Diagram - 12 Memory Configurations - 22 Installing - 25...
- Page 90 Index Technical Specifications - 65 Technical Support - 69 Troubleshooting - 71, 73 Updating the System BIOS - 77 Utility Programs Advanced Screen - 47 BIOS Setup - 39 Chipset Screen - 50 Exit Screen - 58 Features Screen - 51 Info Screen - 41 Main Screen - 43 Warranties - 79...
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