TYAN S1846 User Manual
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TYAN S1846 User Manual

Tsunami atx
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See also: User Manual , Manual
Tyan S1846
Tsunami ATX
Motherboard User's Manual
Revision 1.40
Copyright © Tyan Computer Corporation, 1998. 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 propery 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.
S1846 Tsunami and Tsunami-ATX are trademarks 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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  • 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..........5 Software Specifications..............7 Technical Support................7 Returning Merchandise for Service..........8 2. Board Installation..................10 Unpacking..................10 Installation..................10 Setting Jumpers................23 3. Onboard Resource Settings..............24 Quick Reference for Jumpers............
  • Page 3 5. System Resources..................66 POST Checkpoint Codes.............. 67 Beep Codes..................74 Troubleshooting System Problems..........75 Displayed Error Messages............76 Glossary..................78...

  • Page 4: Introduction

    Introduction Introduction Overview The S1846 (S1846S and S1846SLA) Tsunami ATX is a quality, high perfor- mance motherboard designed for Intel Pentium II microprocessors. This motherboard utilizes the Intel 440BX AGPset and can support CPU speeds of 233MHz through 450MHz, and host bus speeds of 66MHz to 100MHz.

  • Page 5: Icons

    Hardware Specifications/Features Processor Information •One SEC slot (Slot One type) •66MHz to 100MHz bus support (BIOS selectable) •Pentium II 233-450MHz •Supports Celeron CPUs Chipset Information •Intel 440BX AGPset •Intel PIIX4e controller S1846 Tsunami ATX...
  • Page 6 •AMI Plug and Play flash BIOS •Deep Green, Energy Star, ACPI, Year 2000, and PC98 compliant •Soft power-down, multiple boot options •Win98/NT5 ready, DMI 2.0 compliant •PCI 2.1, APM 1.1 compliant Disk Drive & System I/O •Two PCI bus mastering EIDE http://www.tyan.com...

  • Page 7: Software Specifications

    Hence, they should be of the most assistance. Further, if you purchased your system from a dealer near to you, you can actually bring your system in to them to have it serviced, instead of attempting to do so yourself (which can have expensive consequences). S1846 Tsunami ATX...

  • Page 8: 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 shipped back to you. http://www.tyan.com...
  • Page 9 This page left blank intentionally. S1846 Tsunami ATX...

  • Page 10: Board Installation

    Installation You are now ready to install your motherboard. The mounting hole pattern of the S1846 matches the ATX system board specifications. Your chassis should be that of a standard ATX mainboard form factor. How to install our products right...the first time.
  • Page 11 Install the motherboard into your case. Follow the instructions provided by the case manufacturer for proper installa- tion guidelines. TYAN recommends that you use only one screw to hold down the motherboard. The rest of the mounting holes should be used for the plastic standoffs.
  • Page 12 After connecting the power, make sure the connector is seated firmly into its socket so it will not become loose or fall off when the computer is jostled or moved. Note: Tyan recommends using an ATX power supply that conforms to industry standard revision 2.01.
  • Page 13 IDE cable or defective drives/motherboard. Try another HDD. • Hard drives do not power up: check Pin 1 power cables and cabling. May also be a bad power supply or IDE drive. Figure 4 S1846 Tsunami ATX...
  • Page 14 Also, check to see if the onboard floppy is enabled in the BIOS. • Floppy Drive Fail message at bootup: the cable, floppy, or motherboard may be faulty. Try another cable or floppy drive to verify. http://www.tyan.com...
  • Page 15 The Com and Printer ports, as well as the other ports, are labeled. Figure 6 Note: Only TYAN cables will work on this motherboard. If you are using an existing case with old cables, your system may not function properly. Use only TYAN-approved cables.
  • Page 16 • If you are going to install a PCI-Bus interface card on your system, be aware that any one of the two PCI slots can support a Master or Slave http://www.tyan.com...
  • Page 17 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 18 DIMM (see Figure 10 on the next page). To remove your DIMM, simply pull the clips back, and pull up on the module. Place the DIMMs in an anti-static bag as soon as you remove them to avoid static damage. http://www.tyan.com...
  • Page 19 Both types of CPUs provide the user with the same perfor- mance, and both types can be installed in the Pentium II slot on the Tsunami board. S1846 Tsunami ATX...
  • Page 20 When the retention module is securely installed, you are ready to plug in the CPU. Press down firmly on the CPU until you hear a “click” (see Figure 15). This click- ing sound indicates that the CPU is fully locked into Figure 14 http://www.tyan.com...
  • Page 21 The heat sink mount (Figure 17) has two pins on the bottom and four pins on the top. Notice that the bottom two pins are of different sizes. The size of the S1846 Tsunami ATX...
  • Page 22 CPU. A click will be heard when the CPU has been unlocked. Gently pull up on the CPU, taking care not to bend the motherboard or the CPU retention module. To remove the lock from the retention module, gently press the ends of the locks inward and pull. http://www.tyan.com...

  • Page 23: Setting Jumpers

    The metal rod inside the plastic shell bridges the gap between the two pins, completing the circuit. See the drawings below for examples of “on” and “off” pins and jumpers. 3 (or more) pin jumpers 2 pin jumpers open S1846 Tsunami ATX...

  • Page 24: Onboard Resource Settings

    The tables on the following pages will help you set the jumpers for CPU speed, wake on events, and external connector pin assignments among other things. 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 facing page. http://www.tyan.com...

  • Page 25: Map Of Motherboard Jumpers

    PCI slot 4 EXTSMI PCI slot 5 Flash BIOS ISA slot 2 National LM79 ISA slot 1 The tiny “1”s next to jumpers of 3 pins or more indicate the position of pin 1 for that jumper. S1846 Tsunami ATX...
  • Page 26 Chapter 3 Onboard Resource Settings Intel 443BX 3 DIMM slots LM75 SEC slot (Slot One type) LM79 2 ISA slots http://www.tyan.com...

  • Page 27: Hardware Cmos & Password Reset

    CPU and memory. You must have a 100MHz processor to run at a bus speed of 100MHz. Tyan does not recommend and is not respon- sible for functionality or damage to components caused by operating a CPU, memory or any bus at higher than rated speeds (overclocking).
  • Page 28 4. Power on the system again. By following this procedure, you will erase your password and reset the CMOS to the BIOS defaults. InfraRed/Floppy Drive Settings ) t l JP7, JP8 J8 External Pin Assignments c t i Other Pin Assignments t i n http://www.tyan.com...

  • Page 29: Soft Power Connector

    22 and 23 of jumper block J8. External SMI The EXTSMI (External System Management Interface) connector, JP16, is used by some plug-in cards. Certain applications associated with these plug-in cards use the interface for hardware control and queries. S1846 Tsunami ATX...

  • Page 30: Chassis Intrusion Alarm Connector

    Windows 98 or downloading the 82371EB patch found at http:// www.tyan.com/html/drivers.html or at ftp://download.intel.com/design/pcisets/ busmastr/setupex.exe. Note that USB requires Windows 95 OSR 2.1 or above;...

  • Page 31: Flash Eeprom

    Penitum II processors have the L2 (Level 2) cache built into their architecture, so there is no need for an L2 cache on the motherboard. The Pentium II processor has a phsyical L2 cache size of 512KB and a cacheable memory area of 512MB. S1846 Tsunami ATX...

  • Page 32: Frequently Asked Questions

    BIOS to program the 440BX’s timing registers properly. Your DIMM may not have the EEPROM chip on the module, or the EEPROM may not contain the correct program. Check with your memory vendor for details. The figure below shows a DIMM module with an EEPROM chip. http://www.tyan.com...
  • Page 33 A: Currently, only Windows 98 and Windows NT 5.0 will have built-in support for AGP. Some AGP cards require Windows 95 OSR2.1 or a special driver from Intel. Please check with your graphics vendor for more details. S1846 Tsunami ATX...

  • Page 34: Bios Configuration

    Chapter 4 BIOS Configuration BIOS Configuration The AMIBIOS Setup screen is shown below. http://www.tyan.com...
  • Page 35 If you are confused, press <Alt> and <H> at the same time to bring up the help menu. You should not have any trouble, though: the AMIBIOS Setup program is easy to use, and fairly intuitive. Note that the graphics in the manual are simpler than those that appear on your screen. S1846 Tsunami ATX...

  • Page 36: Standard Setup

    (see Entering Drive Parameters on the next page). Consult the table at the top of the next page to see how to configure various drive types yourself. (If Type is set to Auto, then LBA/Large Mode, Block Mode, and PIO Mode will be autodetected.) http://www.tyan.com...
  • Page 37 32bit Mode: If On, allows for the transmission of 32 bits in parallel (i.e. at the same time). If Off, only 16 bits will be transmitted in parallel. S1846 Tsunami ATX...
  • Page 38 . ) r http://www.tyan.com...
  • Page 39 The settings are 360KB 5¼ inch, 1.2 MB 5¼ inch, 720KB 3½ inch, 1.44MB 3½ inch, or 2.88MB 3½ inch. If you are not sure what type of floppy drive you have, consult the documentation that came with your drive. S1846 Tsunami ATX...

  • Page 40: Advanced Setup

    Fail-Safe Default Optimal Default Quick Boot Disabled Disabled Pri Master ARMD Emulated as Auto Auto Pri Slave ARMD Emulated as Auto Auto Fail-Safe Default Optimal Default Sec Master ARMD Emulated as Auto Auto Sec Slave ARMD Emulated as Auto Auto http://www.tyan.com...

  • Page 41: Quick Boot

    . 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 S1846 Tsunami ATX...
  • Page 42 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 http://www.tyan.com...
  • Page 43 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 always copied from the BIOS ROM to system RAM for faster execution. The settings are Enabled or Disabled. S1846 Tsunami ATX...
  • Page 44 The settings are: i t t a s i - l i t l u i t t r e t o i t t t i r . y r The Optimal and Fail-safe default settings are Disabled. http://www.tyan.com...

  • Page 45: Chipset Setup

    PIIX4 SERR# Disabled Disabled USB Passive Release Enabled Enabled PIIX4 Passive Release Enabled Enabled PIIX4 Delayed Transaction Disabled Disabled TypeF DMA Buffer Control1 Disabled Disabled TypeF DMA Buffer Control2 Disabled Disabled DMA-0 Type Normal ISA Normal ISA S1846 Tsunami ATX...
  • Page 46 Set this option to Enabled to enable handshaking for the WSC# signal. Handshaking is a form of encryption; see the Glossary for more information. The settings are Enabled or Disabled. USWC Write Post This option sets the status of USWC posted writes to I/O. USWC is a type of http://www.tyan.com...
  • Page 47 BIOS...

  • Page 48: Dram Integrity Mode

    Method of Memory Detection This option determines how your system will detect the type of system memory you have installed. Options are Auto+SPD or Auto only. DRAM Integrity Mode This option sets the type of system memory checking. The settings are: http://www.tyan.com...

  • Page 49: Memory Hole

    (CHANGE) This option specifies the length of the RAS precharge part of the 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 S1846 Tsunami ATX...
  • Page 50 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. 16bit I/O Recovery Time http://www.tyan.com...
  • Page 51 This option provides selective CPU bus frequency; however, it is stongly 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. S1846 Tsunami ATX...

  • Page 52: Power Management Setup

    Set this option to Yes to enable Advanced Configuration and Power Interface (ACPI) BIOS for an ACPI-aware operating system. Power Management/APM Set this option to Enabled to enable the chipset power management and APM (Advanced Power Management) features. The settings are Enabled or Dis- abled. http://www.tyan.com...
  • Page 53 In deeper sleep modes, more energy is saved. However, upon waking up, the system must “reorient” itself, and reestablish control over the system’s sleeping components. The settings are POS, Sleep, Stop Clock, and Deep Sleep. POS is the lightest sleep mode; Deep Sleep is the heaviest. S1846 Tsunami ATX...
  • Page 54 IRQ line. The settings for each of these options are Monitor or Ignore. The Optimal default setting is Ignore for all devices except Device 0 (Primary master IDE). LAN Wake-up This option enables the Wake-on LAN feature. The settings are Disabled or Enabled. PC98 Power LED http://www.tyan.com...
  • Page 55 Fan OFF at Suspend This option controls the CPU/Chassis Fan on/off setting while the system is in suspended mode. The settings are Disabled or Enabled. RTC Wake-Up This option enables system wake-up by timer. The settings are Disabled or Enabled. S1846 Tsunami ATX...
  • Page 56 Play (PnP) devices. The settings are No or Yes. PCI Latency Timer (PCI Clocks) This option specifies the latency timings (in PCI clocks) for PCI devices installed in the PCI expansion slots. The settings are 32, 64, 96, http://www.tyan.com...
  • Page 57 This option forces IRQ 14 and 15 to a PCI slot on the PCI local bus. This is necessary to support non-compliant PCI IDE adapter cards. OffBoard PCI IDE Primary IRQ This option specifies the PCI interrupt used by the primary IDE channel on the S1846 Tsunami ATX...
  • Page 58 This option specifies the size of the memory area reserved for legacy ISA adapter cards. The settings are Disabled, 16K, 32K, or 64K. The Optimal and Fail-safe default settings are Disabled. Reserved Memory Address This option specifies the beginning address (in hex) of the reserved memory http://www.tyan.com...
  • Page 59 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. S1846 Tsunami ATX...

  • Page 60: Peripheral Setup

    This option specifies the operating mode for serial port 2.This option will not appear if the Onboard Serial Port2 option is set to Disabled, or is set to Auto and your system does not have an onboard serial port 2. The settings are Normal, Sharp-IR, IrDA, and Consumer. (EXPLAIN) http://www.tyan.com...

  • Page 61: Ir Duplex Mode

    EPP Version S1846 Tsunami ATX...
  • Page 62 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 control ler. The settings are Disabled, Primary, Secondary, or Both. http://www.tyan.com...

  • Page 63: Supervisor And User Security

    This will continue until you enter the same series of characters both times. Once this is accomplished, a dialog box will appear and notify you that the Supervisor Password has been installed. You may then S1846 Tsunami ATX...

  • Page 64: Anti-Virus Security

    Detect IDE Utility option (you can detect IDEs individually in the Standard Setup menu). After a second or so (during which you can cancel the detection by clicking on the <Cancel> button with your mouse) the following dialog box will appear: http://www.tyan.com...

  • Page 65: 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. S1846 Tsunami ATX...

  • Page 66: System Resources

    (checkpoint codes) to I/O port 0080h. If the computer cannot complete the boot process, diagnostic equipment can be attached to the computer to read I/ O port 0080h. The following AMIBIOS POST checkpoint codes are valid for all AMIBIOS products with a core BIOS date of 7/15/95 (Enhanced). http://www.tyan.com...
  • Page 67 > l < > e l l i t n i i s s r t n a f r . t x l l i . t x i s s r t n . t x S1846 Tsunami ATX...
  • Page 68 . l u r a t n i t Uncompressed Initialization Codes The following routine checkpoint codes are listed in order of execution. These codes are uncompressed in F000h shadow RAM. The table begins on the next page. http://www.tyan.com...
  • Page 69 SYSTEM...
  • Page 70 . t x i r e e i f t f o n i r t f o s i h t i s o i t . t x http://www.tyan.com...
  • Page 71 . t x t t i r i n i a i t z i l i t a . t x S1846 Tsunami ATX...
  • Page 72 . t x i n I a i t z i l i t a e t f . e t . t x . t x http://www.tyan.com...
  • Page 73 , t u l a r . t n i n i a i t z i l i t a i n I a i t i z i l r h t S1846 Tsunami ATX...

  • Page 74: Beep Codes

    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 82-83. See the top of the next page for the beep code chart. http://www.tyan.com...

  • Page 75: 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. S1846 Tsunami ATX...

  • Page 76: 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 http://www.tyan.com...
  • Page 77 . 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 S1846 Tsunami ATX...

  • Page 78: Glossary

    BIOS (Basic Input/Output System) program resides in the ROM chip, and provides the basic instructions for controlling your computer’s hardware. Both the operating system and application software use BIOS routines to http://www.tyan.com...
  • Page 79 Complementary Metal-Oxide Semiconductors are chips that hold the basic start-up information for the BIOS. COM port is another name for the serial port, which is so-called because it transmits the eight bits of a byte of data along one wire, and S1846 Tsunami ATX...
  • Page 80 BIOS, is a ROM chip which can, unlike normal ROM, be updated. This allows you to keep up with changes in the BIOS programs without having to buy a new chip. TYAN’s BIOS updates can be found at http://www.tyan.com/ html/drivers.html...
  • Page 81 PCB (personal computer board) or motherboard. The standard form factors are the AT and ATX, although TYAN also makes some Baby-AT boards. Global timer is an onboard hardware timer, such as the Real Time Clock.
  • Page 82 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 83 Single In-line Memory Modules are the most common form of RAM. They must be installed in pairs, and do not have the carrying capacity or the speed of DIMMs. SIMM bank/socket SIMM sockets are the physical slots into which you S1846 Tsunami ATX...
  • Page 84 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 85 Replace only with the same or equivalent type recommended by manufacturer. Dispose of used batteries according to manufacturer instructions. Note: The joystick port maximum output rating is 9 amperes at 5 volts. Document # D1307-140 S1846 Tsunami ATX...

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