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Tyan S1837
Thunderbolt
Motherboard User's Manual
Revision 1.10
Copyright © Tyan Computer Corporation, 1999. All rights reserved. No part of this
manual may be reproduced or translated without prior written consent from Tyan
Computer Corp.
All registered and unregistered trademarks and company names contained in this
manual are property of their respective companies including, but not limited to the
following.
AMIBIOS is a trademark of American Megatrend Incorporated.
Windows is a trademark of Microsoft Corporation.
IBM, PC, AT, PS/2 are trademarks of IBM Corporation.
INTEL, Pentium II, Celeron are trademarks of Intel Corporation.
S1837 Thunderbolt is a trademark of TYAN Computer Corporation.
Information contained in this publication has been carefully checked for accuracy and
reliability. In no event will Tyan Computer be held liable for any direct or indirect,
incidental or consequential damage, loss of use, loss of data, or other malady resulting
from errors or inaccuracies of information contained in this manual. The information
contained in this document is subject to change without notice.
PRINTED IN USA

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Summary of Contents for TYAN THUNDERBOLT

  • Page 1 Information contained in this publication has been carefully checked for accuracy and reliability. In no event will Tyan Computer be held liable for any direct or indirect, incidental or consequential damage, loss of use, loss of data, or other malady resulting from errors or inaccuracies of information contained in this manual.
  • Page 2: Table Of Contents

    Table of Contents 1. Introduction............... 4 Overview....................4 Icons..................... 5 Hardware Specifications/Features............6 Software Specifications..............8 Technical Support................8 Returning Merchandise for Service..........9 2. Board Installation.............. 11 Unpacking.................... 11 Installation................... 11 Quick Reference for Jumpers.............13 Map of Motherboard Jumpers............14 Setting Jumpers................... 16 Server Management Connector (External SMI)......18 Chassis Intrusion Alarm Connector..........
  • Page 3 Plug and Play Setup................76 Peripheral Setup.................. 81 Supervisor and User Security............85 Language Utility.................. 86 Flash Writer Utility................86 4. System Resources............. 87 Beep Codes..................87 Troubleshooting System Problems..........88 Displayed Error Messages..............89 Appendix 1 - CPU Retention Module Options..........91 Appendix 2 - Adaptec Ultra2 LVD SCSI............
  • Page 4: Introduction

    Introduction Introduction Overview The Thunderbolt family is a quality, high performance motherboard designed for Intel Pentium II and Pentium III microprocessors. This motherboard utilizes the Intel 440BX or 440GX AGPsets and can support CPU speeds of 233MHz through 550MHz and host bus speeds of 66MHz to 100MHz (please see Tyan’s website for up-to-date CPU support information).
  • Page 5: Icons

    Remember to take a look at TYAN Computer’s web site located at http://www.tyan.com. There you can find information on all of TYAN’s products along with FAQs, distributors list, drivers, and BIOS setting explana- tions. Icons In order to help you navigate this manual and set up your system, we have added several icons to our format.
  • Page 6: Hardware Specifications/Features

    Disk Drive & System I/O Two PCI bus mastering EIDE channels Supports EIDE CD-ROMs PIO Mode 3 & 4 (up to 16.6MB/sec DTR) UltraDMA/33 bus mastering mode (up to 33MB/sec DTR) * See TYAN website for CPU Compatibility List http://www.tyan.com...
  • Page 7 Intel LANDesk Client Manager software Chassis intrusion detection capable Voltage and Power ATX power supply connector Information +12V power source for DC fan onboard 3.3V DRAM support Utilizes GTL+ bus to reduce power consumption and EMI S1837 Thunderbolt...
  • Page 8: Software Specifications

    (which can have expensive consequences). If your dealer is unable to assist you, try our web page, http:// www.tyan.com technical support phone line, (510) 440-8808 or e-mail address techsupport@tyan.com...
  • Page 9: Returning Merchandise For Service

    Return Merchandise Authorization (RMA) number. The RMA number should be prominently displayed on the outside of the shipping carton and the package should be mailed prepaid, or hand-carried to the manufacturer. TYAN will pay to have the board ground-shipped back to you. S1837 Thunderbolt...
  • Page 10 Chapter 1 Introduction This page is intentionally left blank. http://www.tyan.com...
  • Page 11: Board Installation

    SCSI, LAN and audio controllers One gameport cable Three Driver Diskettes for Adaptec 7896 Installation You are now ready to install your motherboard. The mounting hole pattern of the Thunderbolt matches the ATX system board specifications. Your chassis S1837 Thunderbolt...
  • Page 12 Subsequent problems may not arise immediately because electrostatic dis- charge damage, unlike physical damage, causes the device to fail over time. *Power Supply Requirement: ATX Power Supply should be 2.01 compliant. Standby current must be 750mA or higher (SB5V = 0.75A) http://www.tyan.com...
  • Page 13: Quick Reference For Jumpers

    The tables and maps on the following pages will help you set the jumpers for CPU speed, Infrared, and external connector pin assignments, among others. The miniature motherboard maps will help you locate the jumpers on your board. A full-page map of the motherboard can be found on the next two pages. S1837 Thunderbolt...
  • Page 14: Map Of Motherboard Jumpers

    J P 3 1 PCI slot 6 FAN4 Intel I/O AMIBIOS APIC ISA slot 1 J P 3 2 The tiny “1”s next to jumpers of 3 pins or more indicate the position of pin 1 for that jumper. http://www.tyan.com...
  • Page 15 Intel 443GX (or BX) 2 SEC slots 4 DIMM slots IDE and Floppy connectors ATX Power supply connectors 1 ISA slot Adaptec AIC-7896 6 PCI slots AMIBIOS S1837 Thunderbolt...
  • Page 16: Setting Jumpers

    - as a result, those CPUs will ignore the S4 setting. ! ! ! ! ! Presently all Celeron CPUs use a 66MHz bus speed. Tyan does not recom- mend operating CPUs, memory, or PCI Bus at higher than rated speed. Tyan...
  • Page 17 *Power LED: For 2-pin: bicolor/single color LED - Use pins 2-4 For 3-pin: bicolor LED - Use pins 2-4 and GND pin 13 JP32 To p Bottom Pin1 Pin2 Top Pin Pin17 Bottom Pin JP32 Side View 1-E. Wake-On Ring Connector (JP33) +5 VSB Ground S1837 Thunderbolt...
  • Page 18: Server Management Connector (External Smi)

    When using Intel’s LANDesk system management software, you may monitor the status of the CPU Fans by connecting them to the Fan1 and/or Fan2 connectors. You will NOT be able to monitor your CPU fan with the other Fan connectors. http://www.tyan.com...
  • Page 19: Audio Connectors

    * Default setting is 1-2 1-P. Onboard LAN Enable/Disable (JP25) *** Enable Disable JP25 1-Q. Clear CMOS and Reset Password (Jumper JP9) Def ault Reset *** Plastic Jumper connectors are not provided. Setting is OFF or “Enabled” by default. S1837 Thunderbolt...
  • Page 20: Soft Power Connector

    CMOS to the BIOS defaults. Soft Power Connector The Soft Power Connector is part of jumper block J15. The Thunderbolt uses the chipset for power management, including turning on and off the system. If the Power Button Function option in the BIOS Power Management Menu is set to On/Off (which is the default), pressing the power button once after the BIOS has booted up will turn the system on and off.
  • Page 21: Mounting The Motherboard In The Chassis

    Because of this, your memory may not work correctly in a TYAN board though it may work well in a competitor’s board. This is because many of our competitors do not adhere to the strict tolerances required for high performance.
  • Page 22 To remove your DIMM, simply pull the clips back, and pull up on the module. Place the DIMMs in an antistatic bag as soon as you remove them to avoid static damage. http://www.tyan.com...
  • Page 23 Figure 2-4 The Thunderbolt uses a 64-bit data path from memory to CPU and can accommodate up to 2 GB of SDRAM. The 168-pin DIMMs (Dual In-line Memory Modules) must be of the 3.3V, unbuffered variety. The position of the notch in the SDRAM key position will tell you whether or not a DIMM is unbuffered (see the Figure 2-5 below).
  • Page 24: Cache Memory

    DO NOT use registered and nonregistered memory chips important! simultaneously! (Check with your memory dealer for more information). See www.tyan.com for latest memory compatibility information. Cache Memory Celeron processors have the L2 (Level 2) cache built into their architecture, so there is no need for an L2 cache on the motherboard.
  • Page 25: Installing The Cpu And Cooling Fan

    4. Installing the CPU and Cooling Fan Pentium II or Pentium III processors can be used on the Thunderbolt. Please refer to pages 16-20 for the correct CPU jumper settings for your board. Remember: The CPU is a sensitive electronic component and it can easily be damaged by static electricity.
  • Page 26 Plug the CPU’s cooling fan cable into the cooling fan connector on the board. There will be a plastic clip assembly similar to that of the ATX power connector that will force you to connect the fan cable correctly (see Figure 2-11 on the following page). http://www.tyan.com...
  • Page 27: Removing The Cpu

    CPU card of regular Pentium II’s. On the other hand, the plastic CPU enclosure covers only the side faces of the SECC2 Pentium II / III card. Due to the physical differences in the SECC2 CPU, installing the retention modules requires a different technique than the ones previously discussed. S1837 Thunderbolt...
  • Page 28 Corners Figure 2-13 Warning: DO NOT first screw the retention braces onto the motherboard by ! ! ! ! ! themselves. If you do, you will have difficulties inserting the CPU into the retention braces and CPU slot. important! http://www.tyan.com...
  • Page 29 Warning - Because the braces are loosely held against the CPU, they can easily fall off. You must hold both braces against the CPU while lifting all three components above the motherboard. (See Figure 2-16 on the following page.) S1837 Thunderbolt...
  • Page 30 ! ! ! ! ! important! Figure 2-17 When removing the CPU, unscrew the nuts on the retention braces and remove all three components at once. This may require careful firm tugs to pull the CPU out of its slot. http://www.tyan.com...
  • Page 31 Another method to secure an SECC2 CPU is by using the Universal Retention Module (also Top Clip provided by Tyan). The universal retention module is designed to accommodate most versions of the Pentium II / III CPUs. In- cluded in this solution is an...
  • Page 32 CPU out of its slot. Repeat the procedure for the other side brace. When both ends of the CPU is loose from the side braces and the slot, you will be able to remove it from the motherboard. Figure 2-23 http://www.tyan.com...
  • Page 33: Connecting Ide And Floppy Drives

    • Hard drive lights are constantly on: bad IDE cable or defective drives/motherboard. Try another HDD. • Hard drives do not power up: check power cables and cabling. May also be a bad power supply or IDE drive. S1837 Thunderbolt...
  • Page 34: Connecting Floppy Drives

    In most cases, there will be a key pin on the cable which will force you to connect the cable properly. Figure 2-26 http://www.tyan.com...
  • Page 35: Connecting The Power Supply

    Reverse the cable at the motherboard end and try again. 6. Connecting the Power Supply Tyan recommends using an ATX power supply that conforms to industry standard revision 2.01. The Thunderbolt motherboard comes equipped with two onboard power connectors.
  • Page 36: Installing Add-On Cards

    • Make sure that the cards are seated securely into the slots. • Before turning on the system, make sure no cards are touching If you follow these basic guidelines, there shouldn’t be any problems with http://www.tyan.com...
  • Page 37: Connecting Ps/2, Usb, Serial & Parallel Drivers

    Figure 2-29 below shows the ATX double row connectors on this board. The Com and Printer ports, as well as the other ports, are labeled. Note: Only TYAN cables will work on this motherboard. If you are using an PS/2 Mouse...
  • Page 38: Intel Ethernet Setup And Use

    PRO/100+ adapter (not PRO/100). This information can be found on Intel’s website, as well as their FTP site and BBS service. You may find the driver in Tyan’s CD. Connect the Network Cable. Connect a single network cable to the PRO/100+ adapter. The cable will only fit one way.
  • Page 39 Before installing the Intel 82559 Ethernet drivers, the complete LAN 82559 ! ! ! ! ! directory and all it’s contents must first be copied from the Tyan Driver CD onto your hard drive. The 82559 driver can then be installed from your hard important! drive.
  • Page 40: Automatic Configuration

    If Setup finds a problem, it displays the results and some possible solutions. 5. When Setup finishes the tests, you’ll see the Install Network Drivers screen. 6. Select the driver you want to install. Setup can install a NetWare client http://www.tyan.com...
  • Page 41: Windows Nt Server Or Workstation

    IRQ level and I/O address are automatically set by the BIOS each time you start your computer. Start your computer to automatically configure the adapter. Configuration is complete when Windows NT starts or the DOS prompt appears. S1837 Thunderbolt...
  • Page 42 You will need to have the Tyan driver CD and the NT 4.0 CD for this procedure. 1. Boot NT 4.0 2. Get the Tyan Driver CD and copy the Intel LAN drivers to a directory on your hard disk drive. procedure 3.
  • Page 43 Panel and then to Device Manager. Under the “Other Devices” section, procedure choose “PCI Ethernet Controller” and click “Remove”.) 2. Reboot the system. An “Update Device Driver Wizard” dialog box should appear indicating that a “PCI Ethernet Controller” has been found. S1837 Thunderbolt...
  • Page 44: Other Operating Systems

    5. When the “Copying Files” dialog box appears, type D:\LAN82559 at the command prompt (assuming D: is your CD-ROM drive). 6. Windows will copy files from both Tyan and Windows 95 CD. Continue installation process by following the Windows instructions.
  • Page 45 If the full duplex hub does not provide auto-negotiation, you need to set the adapter duplex mode manu ally (see following paragraphs) • Half duplex. The adapter performs one operation at a time; it either sends or receives. S1837 Thunderbolt...
  • Page 46 4. Connect the target client system to Z:\PUSH using IPX or TCP/IP. 5. Run Windows 95 setup with the following command line switches: Z:\PUSH> SETUP /IS /IW For debugging purposes, include the additional switches to show each device class scanned for during PnP detection: Z:\PUSH> SETUP /IS /IW /P B;G=3 http://www.tyan.com...
  • Page 47: Troubleshooting

    Make sure you’re using the drivers that come with this adapter. Drivers that support previous ver- sions of the Intel PRO/100+ Manage- ment Adapter do not support this version of the adapter. Make sure the hub port and the S1837 Thunderbolt...
  • Page 48: Common Problems And Solutions

    • Make sure you have the correct type of cable between the adapter and the hub. 100 BASE-TX requires two pairs. Some hubs require a crossover cable while others require a straight-through cable. See the Cabling README file for more information on cabling. http://www.tyan.com...
  • Page 49: Technical Information

    Fast Ethernet Hub and Switches The two basic types of hubs are shared hubs and switching hubs. Intel PRO/ 100+ adapters can be used with either type of hub for 10 Mbps. At 100 Mbps, a TX hub or switch is required. S1837 Thunderbolt...
  • Page 50 Switching hubs can effectively increase the overall band- width available on the network, significantly improving performance. Switching hubs can also support full duplex. For more information on Fast Ethernet, visit the Network Products website (http:// www.intel.com/network). http://www.tyan.com...
  • Page 51: Creative Labs Sound Drivers Installation Note

    Second of all, slowing down the memory timing in the BIOS’s chipset setup section will help the situation, as well. Many memory modules are not suitable for high performance systems and are probably the main source of your S1837 Thunderbolt...
  • Page 52 A: The Ethernet driver can not be installed directly from the Tyan Driver CD. Before installing the Intel 82559 Ethernet drivers, the complete 82559 directory and ALL its components must first be copied from the Tyan CD onto your hard drive. The 82559 installation program can then be copied normally from your hard drive.
  • Page 53 7896 chip then you must install NT 4.0 with a standard 1.44MB floppy disk. Q: Where can I get Intel PRO/100+ Management Adapter drivers? A: You will find the drivers located in the Tyan Drivers CD under the subdirectory ‘LAN82559’. Please note: You must use the drivers provided in the Tyan CD only.
  • Page 54 This page is intentionally left blank. http://www.tyan.com...
  • Page 55: Bios Configuration

    Primary IDE Slave Auto Secondary IDE Master Auto Secondary IDE Slave Auto Auto-Detect Hard Disks [ Enter ] Boot Sector Virus Protection Disabled Previous Item Next Item Select Menu ESC:Exit Enter:Select F5:Setup Defaults F6:Original Values F10:Save & Exit S1837 Thunderbolt...
  • Page 56: Main Setup

    Primary IDE Master Auto Primary IDE Slave Auto Secondary IDE Master Auto Secondary IDE Slave Auto Auto-Detect Hard Disks [ Enter ] Boot Sector Virus Protection Disabled Previous Item Next Item Select Menu ESC:Exit Enter:Select F5:Setup Defaults F6:Original Values F10:Save & Exit http://www.tyan.com...
  • Page 57 Maximum Capacity CD-ROM: Use for ATAPI CD-ROM drives LBA Mode Block Mode Double click [AUTO] to Fast Programmed I/O Modes set all HDD parameters 32 Bit Transfer Mode ON automatically ESC:Back Enter:Select :Select Items F5:Setup Defaults F6:Original Values S1837 Thunderbolt...
  • Page 58 (when you select Auto for Type), or you can turn the modes On or Off yourself. Block Mode: If On, Block Mode automatically detects the optimal number of block read/writes per sector that the drive can support. http://www.tyan.com...
  • Page 59 . ) r S1837 Thunderbolt...
  • Page 60: Boot Sector Virus Protection

    Load Optimal Settings [ Enter ] Load configuration Load Fail Safe Settings [ Enter ] settings giving Load Original Values [ Enter ] highest performance. Previous Item Next Item Select Menu ESC:Exit Enter:Select F5:Setup Defaults F6:Original Values F10:Save & Exit http://www.tyan.com...
  • Page 61: Advanced Cmos Setup

    F lo p py A c c es s C o nt ro l R ead -W rite R ea d-W rit e H ard D is k A c c es s C o n tro l R ead -W rite R ea d-W rit e S1837 Thunderbolt...
  • Page 62: Advanced Setup

    . n i < > l t f i t i a v i r g i f v i r e t f o l l v i r . n i , t o < > l http://www.tyan.com...
  • Page 63 This option specifies the read-write access that is set when booting from a hard disk drive. The settings are Read-Write or Read-Only. S.M.A.R.T. for Hard Disks Set this option to Enabled to permit AMIBIOS to use the SMART (System S1837 Thunderbolt...
  • Page 64 When set to Enabled, the contents of the F0000h system memory segment can be read from or written to cache memory. The contents of this memory segment are copied from the BIOS ROM to system RAM for faster execution. The settings are Enabled or Disabled. The Optimal default setting is Enabled. http://www.tyan.com...
  • Page 65: Mps Revision

    The ROM area not used by ISA adapter cards is allocated to PCI adapter cards. The settings are: i t t a s i r e t o i t t t i r . y r S1837 Thunderbolt...
  • Page 66: Chipset Setup

    A u t o & S P D A ut o & S P D * D R A M Int eg rit y M o d e E C C H ard wa re E C C H a rd wa re http://www.tyan.com...
  • Page 67: Usb Function

    C P U B us F re quen c y A ut o A ut o * Setting option not selectable. USB Function Set this option to Enabled to enable USB (Universal Serial Bus) support. The settings are Enabled or Disabled. S1837 Thunderbolt...
  • Page 68 The settings are Disabled, 32, 64, 96, 128, 160, 192, or 224. Multi-Trans Timer (Clks) This option specifies the multi-trans latency timings (in PCI clocks) for devices in the computer. The settings are Disabled, 32, 64, 96, 128, 160, 192, or 224. http://www.tyan.com...
  • Page 69 DRAM system memory access cycle when SDRAM system memory is installed in this computer. The settings are Auto, 2 SCLKs, or 3 SCLKs. Power Down SDRAM If this option is set to Enabled, the SDRAM Power Down feature is enabled. The settings are Enabled or Disabled. S1837 Thunderbolt...
  • Page 70 Set this option to Enabled to enable AGP parity error response. The settings are Enabled or Disabled. 8bit I/O Recovery Time This option specifies the length of a delay inserted between consecutive 8-bit I/O operations. The settings are Disabled and from 1 to 8 Sysclk (system clocks) in increments of one. http://www.tyan.com...
  • Page 71 This option provides selective CPU Bus Frequency; however, it is strongly recommended that the default setting (Auto) be selected. Unpredictable situations may arise if the Intel default CPU bus speed is not used. The settings are Auto, 66.8MHz, 68.5MHz, 75MHz, 83.3MHz, 100MHz, 103MHz, or 112MHz. S1837 Thunderbolt...
  • Page 72: Power Management Setup

    D is abled D is abled S lo w C lo c k R at io 50 % - 62 .5% 5 0% - 6 2.5 % D is p lay A c t iv it y Igno re Igno re http://www.tyan.com...
  • Page 73 The settings are shown in the table below. i t t t t u r e t . f f t t u r e t l l u Green PC Monitor Power State This option specifies the power state that the green PC-compliant video S1837 Thunderbolt...
  • Page 74 Suspend Time Out This option defines the length of time that the system, while in Standby mode, must be inactive before it enters Suspend mode. The settings are Disabled and from 4 minutes to 508 minutes, in increments of 4 minutes. http://www.tyan.com...
  • Page 75 If this option is Enabled, the CPU fan will turn off when the system is in Suspend mode. If Disabled, the CPU fan will remain on while the system is in Suspend mode. The settings are Enabled or Disabled. S1837 Thunderbolt...
  • Page 76: Plug And Play Setup

    Power Management Setup [ Enter ] Configure PCI / Plug Plug and Play Setup [ Enter ] and Play features Peripheral Setup [ Enter ] Change Language Setting English Previous Item Next Item Select Menu ESC:Exit Enter:Select F5:Setup Defaults F6:Original Values F10:Save & Exit http://www.tyan.com...
  • Page 77 F irs t -Las t F irs t -Las t B IO S D ev no de f o r S had o w R A M D is abled D is abled * Setting option is not selectable S1837 Thunderbolt...
  • Page 78 The settings are Auto and Slot1 through Slot6. If Auto is selected, AMIBIOS automatically determines the correct setting (including using the onboard controller if no offboard controller card is detected). This option forces IRQ 14 and 15 to a PCI slot on the PCI local bus. This is necessary to http://www.tyan.com...
  • Page 79 PCI and PnP devices. The settings are ISA/EISA or PCI/PnP. Reserved Memory Size This option specifies the size of the memory area reserved for legacy ISA adapter cards. The settings are Disabled, 16K, 32K, or 64K. S1837 Thunderbolt...
  • Page 80 The settings are First-Last or Last-First. BIOS Devnode for Shadow RAM This option is used for some add-on card ROMs which do not claim the correct memory range that they occupy. The settings are Disabled or Enabled. http://www.tyan.com...
  • Page 81: Peripheral Setup

    LM 7 9 IN 3 +5.02 +5 .02 LM 7 9 IN 4 +11.91 +11.9 1 LM 7 9 IN 5 -11.98 -11.98 LM 7 9 IN 6 -5.18 -5.18 LM 7 9 F an1 N / A N / A S1837 Thunderbolt...
  • Page 82: Onboard Scsi

    This option allows for system power-on via the keyboard. The settings are Enabled or Disabled. Onboard FDC Set this option to Enabled to enable the floppy drive controller on the mother- board. The settings are Auto, Enabled, or Disabled. http://www.tyan.com...
  • Page 83: Onboard Serial Port

    OnBoard Parallel Port This option specifies the base I/O port address of the parallel port on the motherboard. The settings are Auto, Disabled, 378, or 278. Parallel Port Mode This option specifies the parallel port mode. The settings are: S1837 Thunderbolt...
  • Page 84: Parallel Port Irq

    DMA channel used by the parallel port. The settings are 0 through 7 in increments of one. Onboard IDE This option specifies the IDE channel used by the onboard IDE controller. The settings are Disabled, Primary, Secondary, or Both. http://www.tyan.com...
  • Page 85: Supervisor And User Security

    User Security option and enter a password for the user. You can enter a new User password at any time simply by selecting the User Security option, and typing in a new password. To enter a new Supervisor S1837 Thunderbolt...
  • Page 86: Language Utility

    5. If the system does not reboot in three minutes, power down the system wait a few seconds, and then turn the power back on again. You will be prompted to press <F1> to run Setup. You may check your settings at this time, or simply save and exit the program. http://www.tyan.com...
  • Page 87: System Resources

    If AMIBIOS POST can initialize the system video display, it displays the error message. Displayed error messages, in most cases, allow the system to continue to boot. Displayed error messages are described on pages 89-90. See the top of the next page for the beep code chart. S1837 Thunderbolt...
  • Page 88: Troubleshooting System Problems

    BIOS ROM chip is bad. The system probably needs a new BIOS ROM chip. 11 times... reseat the cache memory on the motherboard. If it still beeps, replace the cache memory. 4, 5, 7, or 10 times... the motherboard must be replaced. http://www.tyan.com...
  • Page 89: Displayed Error Messages

    . y r e t t e t t . y r f i d r e f u l i o i t e z i f i d r e f i l i t . y t S1837 Thunderbolt...
  • Page 90 . t o : s i y t i y t i . y r : s i y t i y t i . s s y t i http://www.tyan.com...
  • Page 91: Appendix 1 - Cpu Retention Module Options

    CPU Retention Module Options Tyan offers two different options for securing Intel’s Pentium II and Celeron CPUs onto the motherboard. Each option provides retention for both older Pentium II’s as well as newer Pentium II’s (including Slot 1 type Celeron).
  • Page 92 One universal retention module package is included in the motherboard package. This type of retention module adapts to most versions of SECC2- type Pentium II CPUs - see Figure 3. (Screws for the retention modules are provided) Top Clip Side Braces Figure 3 http://www.tyan.com...
  • Page 93: Appendix 2 - Adaptec Ultra2 Lvd Scsi

    LVD Ultra2 SCSI bus, the Ultra2 devices automatically switch to single-ended mode. When an Ultra2 SCSI device operates in single- ended mode it is subject to the cable distance limitations and signal noise problems of that interface. S1837 Thunderbolt...
  • Page 94: Board Layout

    The following diagram shows the major SCSI connectors and jumpers for the motherboard. Floppy connector Ultra2 SCSI Channel A Primary IDE connector Narrow SCSI Channel B Secondary IDE connector Ultra2 SCSI Channel B J P 2 3 J 1 9 Adaptec 1 2 3 4 http://www.tyan.com...
  • Page 95: Setting Up Scsi Peripherals

    Using an Ultra SCSI terminator on an LVD Ultra2 SCSI bus will force the bus to single-ended mode, limiting the speed and cable distance. For this reason be sure that you have the necessary Ultra2 cable or terminator before installing the Ultra2 SCSI devices. S1837 Thunderbolt...
  • Page 96: Connecting Scsi Peripherals

    Connect to Motherboard Ultra2 SCSI connector Connect to Ultra2 Peripherals Built-in Terminator STEP 2: Plug the long end of the cable(s) to the Ultra2 connector(s) on the motherboard - Channel A or B. (refer to the board layout for connector location). http://www.tyan.com...
  • Page 97 STEP 1: Locate a 68-pin or 50-pin internal Ultra SCSI cable. Connect to Fast/Wide Ultra Peripheral (Terminated) Connect to Motherboard Connect to Fast/Wide Ultra 68-pin connector Peripheral (Not Terminated) Connect to Fast/Ultra Narrow Connect to Fast/Ultra Narrow Peripheral (Terminated) Peripheral (Not Terminated) S1837 Thunderbolt...
  • Page 98 Each Ultra2 SCSI peripheral connects to the next in a daisy chain. Therefore each external peripheral will require an external cable. As an option, Tyan provides an external Ultra2 SCSI connector that can be inserted in an expansion slot. The cable end of the external SCSI connector...
  • Page 99: Additional Termination Information

    When installed in multiple computer configurations, i.e. clusters, you can force the motherboard to enable termination even when power to the computer is OFF. This would enable the other computers in the cluster to continue to operate the shared SCSI devices even when the computer S1837 Thunderbolt...
  • Page 100: Installing Aic7896 Scsi Software

    6. Click “Next” and select “Specify a location” 7. At the command prompt, type A:\win9X and click “Next”. Where A: is the AIC-7896 driver disk provided by Tyan. 8. Windows will copy driver from the floppy disk. 9. Repeat the steps above for the secondary SCSI channel.
  • Page 101 2. After the second floppy disk finishes loading, NT will ask for a mass storage device. At this point, you can have Windows NT install the Adaptec 7896 driver from the disk provided by Tyan. 3. Follow the NT installation instructions.
  • Page 102: Appendix 3 - Glossary

    AT design by rotating the board ninety degrees, so that the IDE connectors are closer to the drive bays, and the CPU is closer to the power supply and cooling fan. The keyboard, mouse, serial, USB, and parallel ports http://www.tyan.com...
  • Page 103 A typical setup would be a cache size of 512KB, and a cacheable area of 512MB. In this case, up to 512MB of the main memory onboard is capable of being S1837 Thunderbolt...
  • Page 104 EDO RAM (Extended Data-Out RAM) speeds access to memory locations by assuming that memory addresses are static: the next time it looks for a bit of data, it will be at the same spot, or one nearby. EEPROM Electrically Erasable Programmable ROM, also called Flash BIOS, is a http://www.tyan.com...
  • Page 105 Form factor is an industry term for the size, shape, power supply type, and external connector type of the PCB (personal computer board) or motherboard. The standard form factors are the AT and ATX, although TYAN also makes some Baby-AT boards.
  • Page 106 Pipelining improves system performance by allowing the CPU to begin executing a second instruction before the first is completed. A pipeline can be likened to an assembly line, with a given part of the pipeline repeatedly http://www.tyan.com...
  • Page 107 SIMM bank/socket SIMM sockets are the physical slots into which you stick SIMM modules. A pair of SIMM sockets form a SIMM bank, and act as a unit. If only one socket is filled, the bank will not operate. S1837 Thunderbolt...
  • Page 108 ZIF socket Zero Insertion Force sockets make it possible to insert CPUs without damaging the sensitive pins. The CPU is lightly placed in an open ZIF socket, and the metal lever pulled down. This shifts the processor over and down, guiding it into place on the board. http://www.tyan.com...
  • Page 109 (EMC). CAUTION: Lithium Batteries included with this board. Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by manufacturer. Dispose of used batteries according to manufacturer instructions. Document # D1341-110 S1837 Thunderbolt...
  • Page 110 Jumper Settings Quick Reference CPU Speed Settings (Switch S4) JP32 Connector Pinout Multiplier Bus Speed CPU speed V C C P o we r L E D (set Jmprs (set in H D D L E D S le e p L E D on board) BIOS) G ro u n d...

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S1837

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