Table of Contents
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TABLE OF CONTENTS
1. Introduction....................................................................... 2
1.1 Overview.................................................................2
1.2 Hardware Specifications........................................ 3
1.3 Software Specifications..........................................4
1.4 Manual Organization ............................................ 4
1.5 Manual Conventions............................................. 5
1.6 CPU types .............................................................. 5
2. Board Installation.............................................................. 7
2.1 Unpacking.............................................................. 7
2.2 Installation of the motherboard ............................7
2.4 CMOS RTC............................................................ 14
2.5 Installing Cables and Connectors ....................... 14
2.6 DRAM Installation .............................................. 16
2.7 L2 Cache Memory/SRAM Memory...................... 17
2.8 VRM (Voltage Regulator Module)........................ 17
2.9 Peripheral Device Installation................................17
2.10 Connecting the Power Supply..............................17
3. CPU Installation and Removal ........................................ 18
3.1 Installation of Pentium II Active Processors..........18
3.2 Installing CPUs...................................................... 19
3.3 Installing CPU Cooling Fans................................. 19
4. T roubleshooting .............................................................. 23
4.1 Troubleshooting Procedures ................................. 23
4.2 Technical Support Procedures .............................. 25
4.3 Returning Merchandise for Service....................... 25
Client Manager (LDCM)...................................................... 26
Declaration of Conformity......................................................27
Speaker Beep Codes............................................................. 28
S1686S/D-001-02
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Summary of Contents for TYAN TAHOE PLUS ATX
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Page 1: Table Of Contents
TABLE OF CONTENTS 1. Introduction............... 2 1.1 Overview..............2 1.2 Hardware Specifications........3 1.3 Software Specifications..........4 1.4 Manual Organization ..........4 1.5 Manual Conventions..........5 1.6 CPU types .............. 5 2. Board Installation.............. 7 2.1 Unpacking.............. 7 2.2 Installation of the motherboard ......7 2.3 S1686S/D Board Layout &... -
Page 2: Introduction
4), Multiword DMA (Mode 2) IDE, on-board floppy controller, and on-board high speed I/O. To provide you with the best board possible on the market, Tyan has also incorporated into the board design the newest technologies available in the industry. Some of these new features include the following: 1. -
Page 3: Hardware Specifications
1.2 Hardware Specifications/Features The S1686S/D board is designed for the demanding end-user who wants to accomplish complicated tasks in a user-friendly environment. To achieve this purpose, the main board includes the following features: CPU Information • One or Two Pentium II Processor slots •... -
Page 4: Software Specifications
• Operates with MS-DOS, Windows 3.x, Win dows for Workgroups, Windows 95, Windows NT, OS/2, Novell Netware, and SCO Unix. • Tyan is also a Solaris certified manufacturer. 1.4 Manual Organization Chapter 1 "Introduction" describes the features and performance of the S1686S/D motherboard. -
Page 5: Manual Conventions
CMOS errors. Both AMI and Award BIOS docu- ments are also available in the ADOBE Acrobat format. Please refer to our Web page at http://www.tyan.com for these files. 1.5 Manual Conventions In this manual, the following terms are used in reference to setting up jumpers: 1. - Page 6 Pentium II Boxed (Active) CPU Shown with Power Connector for Fan Pentium II (Passive) CPU Shown with Heatsink S1686S/D-001-02 http://www.tyan.com...
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Page 7: Board Installation
Chapter 2: Board Installation 2.1 Unpacking 2.1.1. Item Checklist The motherboard package should contain the following: • S1686S/D Motherboard • Motherboard User's manual • One IDE 40 pin cable • BIOS User's manual • One 34 pin floppy cable • One or Two CPU Retention Modules 2.1.2. -
Page 8: S1686S/D Board Layout & Jumper Locations
PIIX3 PCI Slot 4 Secondary IDE PCI Slot 5 ISA Slot 1 Case Fan APIC ISA Slot 2 ISA Slot 3 (For more information about this Motherboard, please visit our W eb Page and Clickable motherboards at http://www.tyan.com/html/faq.html.) S1686S/D-001-02 http://www.tyan.com... - Page 9 2.3.2 Summary of Jumper Settings Refer to the following table for quick reference of jumper settings: Jumper # Assignments Pg. # Keyboard Connector PS2 Mouse Connector J20, J23 CPU Fan (Pin 2 is +12V) P10, P21 CHS Fan (Chassis Fan) J11, J12, J37 Bus Speed J13-J16, J24-27...
- Page 10 Open Open Close Close Open Open Close Close 3.3V Close Close Open Open Close Close Open Open (* Default is 5V) CMOS Reset: J44 (Always reset after changing BIOS) CMOS Normal Clear (Reset) Normal Clear (reset) Open Close S1686S/D-001-02 http://www.tyan.com...
- Page 11 I/O Select J30 J36 J30 J36 Close Open Close Open Open Close Open Close Infra Red COM Port LM78 IRQ Select IRQ# Open Open Open Open S1686S/D-001-02...
- Page 12 Power LED 22 & 23 Reset 24-27 Speaker J17: Keyboard Connector J18: PS/2 Mouse Connector J22: Universal Serial Bus Ports CON 5: FDD CON CON 6: Primary IDE CON 7: Secondary IDE CON2: LPT1 CON3: COM1 CON1: COM2 S1686S/D-001-02 http://www.tyan.com...
- Page 13 Speaker Connector: J29 pins 24-27 Assignments Ground Speaker data (Refer to Page 11 for more information.) S1686S/D-001-02...
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Page 14: 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 (J29) - Page 15 However, we do not recommend that you flash the onboard BIOS. This procedure should only be done by a qualified technician or a Tyan technical support engineer. J56 determines which type of Flash EPROM is used. This jumper has been set to match the onboard BIOS chip.
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Page 16: Dram Installation
128MB 32MBx2 32MBx2 32MBx2 none 192MB 32MBx2 32MBx2 32MBx2 32MBx2 256MB 64MBx2 64MBx2 none none 256MB 128MBx2 none none none 256MB 64MBx2 64MBx2 64MBx2 none 384MB 64MBx2 64MBx2 64MBx2 64MBx2 512MB 128MBx2 128MBx2 none none 512MB S1686S/D-001-02 http://www.tyan.com... -
Page 17: L2 Cache Memory/Sram Memory
/SRAM Memory 2.7 Level 2 Cache Memory The S1686S/D's L2 Cache Memory is built into the Intel Pentium II CPU. There are no L2 Cache Memory slots or SRAM slots on the motherboard. 2.8 VRM (V oltage Regulator Module) The CPU will program the VRM for the correct voltage needed. No jumper settings are required. -
Page 18: Cpu Installation And Removal
Then carefully line up the key notch on the Retention Module with the key pin on the Pentium II Slot. (The key pin on the Pentium II Slot indicates the correct orientation of the CPU.) Pentium II Slot Connector and Key Pin S1686S/D-001-02 http://www.tyan.com... -
Page 19: Installing Cpus
4. Drop the Retention Module down over the Pentium II Slot so that the Retention Module seats flat against the motherboard. Tighten the screws in a clockwise manner to secure the module to the board. (Warning- Do not overtighten the screws as you may damage the module and /or the motherboard.) Retention Module 3.2 Installing CPUs... -
Page 20: Installation And Removal Of Passive Processors
If one end of the module is raised above the board, check the orientation of the module. 3. Install the module on the board by turning the screws in a clockwise direction. (Do not over tighten the screws). S1686S/D-001-02 http://www.tyan.com... - Page 21 3.4.2 Installing Heat-sink Mounting Brackets 1. The heat-sink mount has two pins on the bottom and 4 pins on the top. Notice that the bottom two pins are of different sizes. The size of the pins and the holes in the motherboard will determine the correct orientation. A correctly installed bracket can be verified by noting the 4 pins on the top.
- Page 22 CPU has been unlocked. Gently pull up on the CPU, taking care not to bend the motherboard or the CPU Retention Module. 3.4.6: Removing Heat-Sink Locks To remove the lock from the Retention Bracket, gently press the ends of the locks inward and pull. S1686S/D-001-02 http://www.tyan.com...
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Page 23: T Roubleshooting
Chapter 4: Troubleshooting 4.1 Troubleshooting Procedures Use the following procedures to troubleshoot your system. If you have followed all of the procedures below and still need assistance, refer to the "Technical Support Procedures" and/or "Returning Merchandise for Service" section(s) in this chapter. - Page 24 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 Finally, check for bad SIMM modules and Chips TroubleShooting Flowchart S1686S/D-001-02 http://www.tyan.com...
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Page 25: 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 26: Appendix: Lm78 System Hardware Monitor And Landesk Client Manager (Ldcm)
Board. Thus, by implementing both National Semiconductor's LM78 and LDCM in the S1682D system, Tyan provides you with the best quality board possible on the market. For more information, please refer to Tyan's W eb Page: Http://www.tyan.com... -
Page 27: Declaration Of Conformity
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.
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