TYAN S1680S TAHOE AT Manual Download Page 1 | Manualshive

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S1680S-001-02

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Summary of Contents for S1680S TAHOE AT

Page 1: ...1 S1680S 001 02 ...

Page 2: ...13 2 6 DRAM Installation 15 2 7 L2 Cache Memory SRAM Memory 16 2 8 VRM Voltage Regulator Module 16 2 9 Peripheral Device Installation 16 2 10 Connecting the Power Supply 16 3 CPUInstallationandRemoval 17 3 1 Installing the Pentium II Boxed Active Processor 17 3 2 Installing the Cooling Fan 18 4 1 Troubleshooting Procedures 22 4 2 Technical Support Procedures 24 4 3 Returning Merchandise for Servic...

Page 3: ...D CAM CAE networking multi user environments database management desktop publishing image processing 3D animation and video production This integrated system board achieves high reliability with numerous features and yet is small enough to be supported in a Baby AT system Some of the features included are on board dual channel PCI PIO Mode 3 4 on board high speed I O USB connectors for up to 2 por...

Page 4: ...00 MHz 150 166 180 200MHz Pentium Pro Processors VRM Voltage Regulator Module on board Switching power circuitry On board CPU fan header Chipset Intel s Pentium II 440 FX Natoma chipset 25 30 33 MHz PCI bus Up to 1GB 1024MB system memory Two PCI Busmastering up to 22MB sec DTR EIDE channels PIO Mode 3 4 up to 17MB sec DTR System RAM Eight 72 pin SIMM sockets 4 double banks Supports 5V or 3 3V memo...

Page 5: ...ating System Operates with MS DOS Windows 3 x Windows for Workgroups Windows 95 OS 2 and SCO Unix Tyan is also certified with Solaris 1 4 Manual Organization Chapter 1 Introduction describes the features and performance of the S1680S motherboard Chapter 2 Installation describes procedures for setting up the system board Refer to this chapter for information about jumper settings Chapter 3 Installa...

Page 6: ...680sa pdf for AMI and ftp ftp tyan com manual s1680sb pdf for Award BIOS information 2 When the term Open or Off is used the pin pins specified for the jumper should not be connected and the circuit of the connecting pins will not be shorted 1 6 CPU types Currently Intel produces two types of Pentium II processors the Boxed or Active Processor and the Passive Processor Refer to the Pictures shown ...

Page 7: ...7 S1680S 001 02 PentiumIIBoxed Active CPU Shown with Power Connector for Fan PentiumII Passive CPU Shown with Heat sink ...

Page 8: ...at you wear an anti static strap Anti static straps can be purchased at your local computer hardware stores 3 With the power supply plugged in and the system turned off touch an unpainted area of the system chassis before handling the motherboard or any component Remember to do this each time you handle the board 2 1 3 Proper handling of the motherboard After opening the motherboard package remove...

Page 9: ...ank 0 Bank 1 Bank 2 Bank 3 Bank 0 Bank 1 Bank 2 Bank 3 J17 J18 1 1 COM2 Powerconnector KB J48 J3 1 J6 J5 J9 J49 KB Controller J20 J21 PIIX3 BIOS Pentium II Slot J33 82441FX J45 RTC J32 J31 See Page 11 for J45 Pin Definition PS2 SMC PCI 1 ISA Slot 1 PCI 4 PCI 3 PCI 2 ISA Slot 4 ISA Slot 3 ISA Slot 2 1 1 J39 PCI 5 1 J43 CON7 IR 82442FX S1680S Motherboard Layout CPUFan USB COM1 1 J19 J23 J24 J25 J26 ...

Page 10: ...s positive J43 Keyboard Lock CON 6 LPT1 CON5 1 CON5 COM1 CON1 COM2 CON4 FDD CON2 3 CON2 Primary IDE CON3 Secondary IDE CON7 IR2 Reserved J28 30 J34 J46 J48 J49 Block J45 Pin Assignments IDE LED Pins15 16 closed Power LED Pins 18 20 closed Reset Pins 22 23 closed Speaker Pins 24 27 closed EXTSMI Pins 2 3 closed EXT SMI Cover Pins 2 3 with a jumper cap to short the circuit between these pins Reset C...

Page 11: ...f On Off On 1 2 Off On Default 266 DRAM Voltage Select J17 J18 J19 J20 J37 J38 J40 J41 3 3V Off Off Off Off On On On On 5V On On On On Off Off Off Off 5V default Bus Speed Flash BIOS V oltage Select J33 Do not Change 5V Pin 1 and Pin 2 Closed Default 12V Pin 2 and Pin 3 Closed 5V 12V J33 1 2 2 3 CMOS Reset J36 J36 normal open clear close Cover J36 with a jumper cap to reset CMOS HOST speed PCI spe...

Page 12: ...COM1 CON1 COM2 CON2 PrimaryIDE CON3 Secondary IDE CON4 FDD CON6 LPT1 CON7 IR2 2 4 CMOS RTC Real Time Clock The CMOS RTC includes an internal battery and real time clock circuit which provides the date and the time and the CMOS Chipset Default Reg ister for the system 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 change...

Page 13: ...5 Your board provides a 2 pin header to connect the IDE LED cable When connected the IDELED light on the panel of the case flashes if an activity is detected in an IDE device The cable is connected to pins 15 16 of J45 Refer to Page 10 and Page 11 for detailed information 2 5 4PowerLEDConnectorInstallation J45 The motherboard also provides a 3 pin header to connect the Power LED cable When connect...

Page 14: ...IOS chip The factory default for the S1680S is on pins 1 2 5V Depending on the type of EPROM used some boards may have J33 on pins 2 3 12V Refer to Page 12 for more information W arning DonotchangeJ33 Ithasbeenpre setatthefactory 2 5 7HardwareCMOS PasswordReset If you are locked out of your system because you have forgotten your password or you have set the CMOS incorrectly follow the instructions...

Page 15: ...none 32MB 4MBx2 4MBx2 4MBx2 4MBx2 32MB 16MBx2 none none none 32MB 16MBx2 16MBx2 none none 64MB 32MBx2 none none none 64MB 64MBx2 none none none 128MB 16MBx2 16MBx2 16MBx2 16MBx2 128MB 32MBx2 32MBx2 none none 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 5...

Page 16: ...n Switching power supply 2 9PeripheralDeviceInstallation Install the motherboard after you have checked all of the jumper settings Also be sure to check all connectors thoroughly and read the technical manuals that come with your peripheral cards before you install your ex pansion cards If a PCI Bus interface card is to be installed in the system any one of the four PCI Bus slots will support eith...

Page 17: ...ng fan connectors located on the board Installing the CPU Retention Module 1 Installation of a Pentium II Active Processor requires a CPU Retention Module which is first secured onto the motherboard Refer to the motherboard layout on Page 10 2 To attach the Retention Module place the motherboard on a flat surface 3 Locate the key pin on one end of the Pentium II Slot on the board Then carefully li...

Page 18: ...Cooling Fan cable to the Cooling Fan power Connector on the board 3 2 Installing the Cooling Fan 8 Locate the Cooling Fan Connectors J39 Pin 2 is 12V on the board 9 Plug the CPU s Cooling Fan Cable into the Cooling Fan Connector on the board Make sure that the black wire of the cable is plugged into Pin 1 of the connector Refer to Pin 1 marked on the layout on P10 Pin Assignments Pin 1 ground blac...

Page 19: ...PU Retention Module make sure that you have the appropriate end of the module lined up with the key notch on the Pentium II Slot connector This will ensure that the module is installed properly 2 Before tightening the screws make certain that the module is flush against the motherboard If one end of the module is raised above the board check the orientation of the module 3 Install the module on th...

Page 20: ...erly inserted into the holes on the moth erboard you will hear a clicking noise 3 Lock the Heat sink mount to the board by inserting the two mounting locks into the pins of the Heat sink mounting bracket which are now below the motherboard There will be a clicking noise when the locks are securely fastened 3 4 3 Installation of the Pentium II Passive Processor 1 Align the CPU with the CPU Retentio...

Page 21: ... ends of the locks inward and pull 3 4 6 Removalof theHeat SinkLock Heat sink Lock 3 4 4 Installation of the Heat sink Lock The Heat sink lock has 4 notches which will correspond to the 4 pins on the Heat sink mounting bracket Gently slide the lock between the Heat sink onto the Heat sink mounting bracket until both sides of the lock are firmly secured A clicking sound will be heard when the lock ...

Page 22: ...eir slots 4 The I O Bus speed should be running at 8 MHz 5 Use the speaker to determine if any beep codes exist Refer to the last page of this manual for details about beep codes Note If you are a system integrator VAR or OEM a POST diagnostics card is recommended for Port 80h codes Please visit our Web site for detailed information Memory Error Parity Error If you encounter memory or parity error...

Page 23: ...23 S1680S 001 02 4 Check for bad SIMM modules and chips Troubleshooting Flowchart ...

Page 24: ...ess is http www tyan com Before you call have the following information ready 1 System Board Serial Number 2 CPU Serial Number 3 Invoice Number Date 4 Purchase Form 5 Sale s Person s name 6 Product Configurations 4 3 Returning Merchandise for Service During the warranty period contact your Distributor or Dealer FIRST for any product problems The warranty only covers normal consumer use and does no...

Page 25: ... connected wConsult the dealer or an experienced radio TV technician for help NoticeforCanada This apparatus complies with the Class B limits for radio interference as specified in the Canadian Department of Communications Radio Interference Regulations Cet appareil est conforme aux normes de CLASSE B d interference radio tel que spec cifie par le Ministe re Canadien des Communications dans les re...

Page 26: ...memory refresh circuitry on the motherboard is faulty 2 Parity Error Parity error in the first 64KB of memory 3 Base 64KB Memory Failure Memory failure in first 64KB of memory 4 Timer Not Operational Memory failure in the first 64KB of memory or Timer 1 on the motherboard is not functioning 5 Processor Error The CPU on the motherboard generated an error 6 8042 Gate A20 Failure The keyboard control...

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