TYAN TAHOE-A ATX Manual
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TYAN TAHOE-A ATX Manual

TYAN TAHOE-A ATX Manual

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S1684S/SA-001-02
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Summary of Contents for TYAN TAHOE-A ATX

  • Page 1 S1684S/SA-001-02...

  • Page 2: Table Of Contents

    3.3 CPU Removal (Pentium II Active CPUs)....20 3.4 Install/Remove Pentium II Passive Processor(s). 21 4. T roubleshooting..............24 4.1 Troubleshooting Procedures........ 24 4.2 Technical Support Procedures......26 4.3 Returning Merchandise for Service..... 26 5. Declaration of Compliance..........27 6. Speaker Beep codes............S1684S/SA-001-02 http://www.tyan.com...

  • Page 3: Introduction

    Please refer to Tyan Computer's web site located at http://www.tyan.com for more information about your S1684S/SA* board. Here you will also find information on all of Tyan's products along with FAQ's, distributors, drivers and CMOS setting explanations.

  • Page 4: Hardware Specifications

    • Built-in Creative Labs Vibra 16 sound with software/hardware upgradeability to wavetable synthesis • Telephony / Answering machine capabilities Expansion • Four 32-bit PCI Bus Master slots • Four 16-bit ISA Bus slots (1 shared / 7 usable) S1684S/SA-001-02 http://www.tyan.com...

  • Page 5: Software Specifications

    Operating System Operates with MS-DOS, Windows 3.x, Windows for Workgroups 3.x, Windows 95, Windows, OS/ 2, and SCO Unix. Tyan is also a certified under Solaris 1.4. Manual Organization Chapter 1 "Introduction" describes the features and performance of the S1684S/SA system.

  • Page 6: Manual Conventions

    CMOS errors. Both AMI and Award BIOS Setup documents are also available in the Adobe Acrobat format. Please refer to the Web Page located at ftp://ftp.tyan.com/ s1684saa.pdf for AMI and ftp://ftp.tyan.com/s1684sab.pdf for Award BIOS information.
  • Page 7 Pentium II Boxed (Active) CPU Shown with Power Connector for Fan Pentium II (Passive) CPU Shown with Heat-sink S1684S/SA-001-02...

  • Page 8: Board Installation

    • BIOS User's manual • One Retention module S1684SA(adds): • Sound Addendum C • Tyan Vibra 16 CD-ROM 2.1.2. Precautionary measures before handling the motherboard Since the motherboard contains sensitive electronic components which can easily be damaged by static electricity, the motherboard should be kept in its original packaging until time of installation.

  • Page 9: S1684S/Sa Board Layout & Jumper Locations

    ISA Slot 4 1684S/SA Motherboard Layout (For more information about this motherboard, please visit our W eb Site and clickable motherboards at http://www.tyan.com/html/faq.html.) * Features ONLY found on S1684SA model: Wavetable connector, CD-ROM connector, Tel/Modem connector, J6 port connectors. S1684S/SA-001-02...
  • Page 10 CPU Fan Fail Warning Set (when closed) J32-J35 DRAM VCC for 3.3V (when closed) J41,43,47,48 DRAM VCC for 5V (when closed) ATX Power always on (when closed) Add-in HDD LED 4-5 Keylock J17,J21,22,J29, Reserved J46, J51, CON7 Block J50 Pin Assignments S1684S/SA-001-02 http://www.tyan.com...
  • Page 11 CPU Speed Settings for Pentium II and Pentium Pro Processors: CPU (Mhz) (3-4) (1-2) (3-4) (1-2) (3-4) *266 (1-2) (3-4) (*266--Default) DRAM Voltage Select 3.3V Close Close Close Close Open Open Open Open Open Open Open Open Close Close Close Close (*5V--Default) CMOS Reset (Always reset after changing BIOS settings)
  • Page 12 J12 COM Port Default 1-2 COM Port S1684S/SA-001-02 http://www.tyan.com...
  • Page 13 Connectors: Block J50: Pin No. Definition 1 & 2 Power On 3&4 EXTSMI 8-10 Infra Red 15-16 IDE LED 18-20 Power LED 22 & 23 Reset 24-27 Speaker (Refer to Page 11 for more details) J3: Universal Serial Bus CON 1: COM1 CON 2: COM2 CON 3: LPT1 CON 4: Primary IDE...
  • Page 14 (Refer to Page 11 for more information.) IDE LED: J50 pins15-16 Assignments IDE LED - IDE LED + (Refer to Page 11 for more information.) IR2: J50 pins 8-10 Assignments IR in Ground IR out (Refer to Page 11 for more information.) S1684S/SA-001-02 http://www.tyan.com...

  • Page 15: Cmos Rtc

    Normally, the life span of a RTC internal battery is more than 10 years. This RTC chip cannot be field upgraded and can only be changed at a Tyan repairing facility. 2.5 Installing Cables and Connectors 2.5.1 Speaker Connector Installation (J50)
  • Page 16 However, we do not recom- mend that you flash the onboard BIOS. This procedure should only be done by a qualified technician or a Tyan technical support engineer. J36 determines which type of Flash EPROM is used. This jumper has been set to match the onboard BIOS chip.

  • Page 17: Dram Installation

    2.6 DRAM Installation The S1684S/SA uses a 64-bit data path from memory to the CPU which will accommodate up to 768MB of RAM. The motherboard supports FPM (Fast Page Mode), EDO (Extended Data Out), ECC (Error Correct- ing Code), and Parity 72-pin SIMMs. The following table shows some of the available memory configurations.

  • Page 18: L2 Cache Memory/Sram Memory

    PCI-Bus slots will support either a Master or a Slave device. 2.10 Connecting the Power Supply and On/Off Switch The system is configured for a standard ATX power supply. The ATX connectors can only be plugged in one way and should install easily. S1684S/SA-001-02 http://www.tyan.com...

  • Page 19: Cpu Installation And Removal

    Chapter 3: CPU Installation and Removal Pentium II (233 through 300MHz) and Pentium Pro Processors (150 through 200 MHz) can be used on the S1684S/SA board. Please refer to section 2.3 for the correct CPU jumper settings for your board. The S1684SA board provides a slot for the Pentium II Processor.

  • Page 20: Installation Of The Cooling Fan

    CPU until you hear a click. A clicking sound indicates that the CPU is unlocked. 2. When the CPU is unlocked, gently pull the CPU out from the Pentium II Slot and the Retention Module. S1684S/SA-001-02 http://www.tyan.com...

  • Page 21: Install/Remove Pentium Ii Passive Processor(S)

    3.4 Installation/Removal of the Pentium II Passive Processor (Unlike Active Processors, Passive Processors are not equipped with cooling fans. Passive Proces- sors are equipped with Heat- sinks instead.) Each CPU package could also contain the following: CPU Retention Module (x1) Heat-sink Retention Bracket with mounting locks (x1) Mounting Attach-mounts (x 2)
  • Page 22 A clicking sound will be heard when the lock is securely fastened to the heat-sink mounting bracket. To remove the lock from the Heat-sink mounting bracket, gently press the ends of the locks inward and pull. S1684S/SA-001-02 http://www.tyan.com...
  • Page 23 Heat-Sink Lock 3.4.5: Removal of the Pentium II Passive Processor and CPU Retention Module To remove the CPU, move the locks to the center of the 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.

  • Page 24: T Roubleshooting

    3. Determine if different speeds of SIMMs have been installed in the same or different banks, and the BIOS setup is configured for the slowest speed of RAM used. It is recommended to use the same RAM speed for SIMMs in different banks. S1684S/SA-001-02 http://www.tyan.com...
  • Page 25 4. Check for bad SIMM modules and chips. Troubleshooting Flowchart S1684S/SA-001-02...

  • Page 26: Technical Support Procedures

    Be sure to go through the "Troubleshooting Procedures" section in this Chapter, and visit our Web Site for additional information before calling Technical Support. (Tyan's Web Site address is: http://www.tyan.com.) If the problem is still not resolved, have the following information ready before you call for technical support: 1.

  • Page 27: Declaration Of Compliance

    Chapter 5: Declaration of Compliance Compliance Information Statement ( Declaration of Conformity Procedure-DOC) Notice for the USA FCC Part 15: This Device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received including interference that may cause undesired operation.

  • Page 28: Speaker Beep Codes

    Chapter 6: Speaker Beep codes All Tyan motherboards come with a BIOS feature called "beep codes". What these do is inform you (the user) about potential problems in your configuration. These errors can occur during POST (Power On Self Test), which is performed every time the system is powered on.

This manual is also suitable for:

S1684sa tahoe-aS1684s tahoe

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