TYAN TAHOE AT Manual de usuario

1S1680S-001-02

2S1680S-001-02 http://www.tyan.com

TABLEOFCONTENTS

1.Introduction.......................................................................3

1.1 Overview............................................................. 3

1.2 HardwareSpecifications....................................... 4

1.3 SoftwareSpecifications......................................... 5

1.4 ManualOrganization............................................ 5

1.5 Manual Conventions.............................................6

1.6 CPU types ...........................................................6

2.BoardInstallation.............................................................. 8

2.1 Unpacking............................................................8

2.2 Installationof the motherboard ............................. 8

2.3 S1680SBoardLayout &JumperLocations.............9

2.4 CMOS RTC......................................................... 11

2.5 InstallingcablesandConnectors ..........................13

2.6 DRAM Installation .............................................15

2.7 L2 CacheMemory/SRAM Memory....................... 16

2.8 VRM(VoltageRegulatorModule)..........................16

2.9 PeripheralDevice Installation.................................16

2.10Connectingthe Power Supply.................................16

3.CPUInstallationandRemoval ........................................ 17

3.1 InstallingthePentiumIIBoxed(Active)Processor.. 17

3.2 Installingthe Cooling Fan....................................... 18

4.1

TroubleshootingProcedures...................................

4.2

TechnicalSupport Procedure

................................

4.3

ReturningMerchandise forService.........................24

5.DeclarationofConformity..................................................25

6.BIOSSpeakerbeepcodes................................................ 26

3.3 CPURemoval (PentiumIIActive CPUs)...............

4.TroubleShooting..............................................................22

3.4

Installation/RemovalofPentiumIIPassiveProcessors

...................................................................................

3S1680S-001-02

Chapter 1: Introduction

We here at Tyan Computer take great pride in designing, building and

supplying the world with only the finest, well-crafted, completely tested motherboards

in the industry. Should you ever have questions or issues about the contents of this

manual, or the product it accompanies, please send all inquiries to:

Tyan Computer / Product Management

1753 S. Main St. Milpitas, CA 95035

Thank you for purchasing a Tyan motherboard!

1.1 Overview

The S1680S system board--TAHOE -AT is a quality, high performance

motherboard designed for Intel's latest generation of Pentium II microprocessors.

This motherboard utilizes Intel's 440FX PCI series chipset and supports CPU

speeds of 233MHz to 300MHz. The S1680S will also support the Intel Pentium

Pro Processors with a Tyan Riser Card (M2020). The 440FX PCIset also supports

upto 1GB (1024MB) of systemmemory utilizing either EDO, FPMor Parity with

ECC.The S1680S' PCI Local Bus provides high performance capabilities that are

ideal for a wide range of demanding applications such as: CAD, 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 ports, Dallas RTC (Real Time Clock),

and a host of built-in extras.

The S1680S board is built to be both flexible and expandable. With I/O and

drive controller support built on-board, the five 32-bit PCI Bus Master and four

16-bit ISA slots (one shared/eight usable slots) are available for add-on expan-

sion cards.

In order to provide you with more detailed information about board

components and their functions, Tyan has designed a highly informative web

page with user-friendly help topics and FAQ's, unique clickable motherboards for

your complete guide to the technical world of your computer's braincenter,

worldwide distributors' lists, software and drivers for all Tyan products, exciting

news about Tyan, CMOS settings and manuals in AcrobatTM format, and much

more. Please refer to Tyan Computer's web site located at http://www.tyan.com

formoreinformation.

4S1680S-001-02 http://www.tyan.com

1.2 Hardware Specifications/Features

The S1680S board is designed for the demanding end-user who wants to

accomplish complicated tasks in a user-friendly environment. To achieve

this purpose, the motherboard includes the following features:

CPU Information • One Pentium II Processor (SEC) slot

• Intel Pentium II 233 MHz through 300 MHz

(233, 266, 300 MHz) CPUs

•Supports 150-200 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 memory

• EDO (Extended Data Out) DRAMs

• FPM (Fast Page Mode) DRAMs

• ECC (Error Correcting Code) or

Parity checking

Expansion • Five 32-bit PCI Bus Master slots

• Four 16-bit ISA Bus (one shared/eight usable

slots) slots

5S1680S-001-02

Drive & System I/O • Two Floppy ports (up to 2.88MB)

• Two 16550 compatible serial ports

• One ECP/EPP Parallel port

• Two USB connectors for up to 2 ports

• PS/2 mouse connector for optional PS/2

mouse adapter (Tyan PN: S1607-001-01)

• InfraRed port for use with 3rd party manufac-

tured equipment and software

1.3 Software Specifications

BIOS Award or AMI BIOS Plug 'n' Play flash BIOS

Deep Green and Energy Star compliant.

Operating 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: "Installation and Removal of the CPU" gives instructions on

the installation and removal of the Active and Passive Pentium II CPU's.

Chapter 4: "Trouble-shooting" describes procedures for fixing any prob-

lems you may have with your system.

6S1680S-001-02 http://www.tyan.com

Pins 1 & 2: Open (Off)

Pins 3 & 4: Closed (On)

1 2 3 4

1.5. Manual Conventions

In this manual, the following terms are used in reference to setting up

jumpers:

1. When the term "Close" or "On" is used, the pin (pins) specified for

the jumper should be connected (closed), and the circuit of the connecting

pins will be shorted.

Refer to Addendum A (AMI BIOS CMOS Setup) and Adden-

dum B (Award BIOS CMOS Setup) for the setup requirements and the

CMOS Configuration information, including instructions to change the

password, to format a hard disk, and to troubleshoot CMOS errors. Both

AMI and Award BIOS Setup documents are also available in the Adobe

Acrobat format. Please refer to theWeb Page located at ftp://

ftp.tyan.com/manual/s1680sa.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 on Page 8) These two types of processors are essentially the

same in design. The only difference between these two types of proces-

sors lies in their cooling methods. The Boxed (Active) Processor is

equipped with a heatsink and cooling fan built in with the CPU.The

Passive Processor is equipped with a Heat-sink only. These two types of

CPUs provide the user with the same function, and should be installed in

the "Pentium II" slot (Slot 1) on the S1680S board. (Refer to Chapter 3

for the installation and removal of Pentium II processors.)

Example:

7S1680S-001-02

PentiumIIBoxed(Active)CPU

Shown with Power Connector for Fan

PentiumII(Passive) CPU

Shown with Heat-sink

8S1680S-001-02 http://www.tyan.com

2.1Unpacking

2.1.1. Item Checklist

The motherboard package should contain the following:

•S1680S Motherboard • Serial/Parallel cable set

•One IDE 40 pin cable • One 34-pin floppy cable

• Motherboard User's manual • BIOS User's manual

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 the time of installation.

Before you open the carton of your motherboard, do the following:

1. Make sure that you stand on an Anti-static mat. (Do not stand on a rug

or carpet.)

2. It is also strongly recommended that 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 the board by holding its

edges. Place it on a grounded anti-static surface with the component side

up. Inspect the board for damage. Do not touch the bottom of the board.

(Note: DO NOT APPLY POWER TO THE BOARD IF IT HAS

BEEN DAMAGED!)

2.2Installationofthemotherboard

You are now ready to install your motherboard. The mounting hole pattern

of the board matches the Baby-AT system board specifications. Please

install the board in the chassis designed for a standard Baby-AT system.

Chapter 2: Board Installation

9S1680S-001-02

(For more information about thismotherboard,pleasevisitourWeb Page and

Clickablemotherboardsathttp://www.tyan.com/html/faq.html.)

11 1

SIMM5

SIMM6

SIMM7

SIMM8

SIMM 4

SIMM 3

SIMM 2

SIMM 1

Parallel

Floppy

Primary IDE

Second IDE

(Bank 0)

(Bank 1)

(Bank 2)

(Bank 3)

(Bank 0)

(Bank 1)

(Bank 2)

(Bank 3)

J17

J18

11COM2

Powerconnector

J48

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

J39

PCI 5

J43 CON7:IR

82442FX

S1680S Motherboard Layout

CPUFan

USB

COM1

J19

•••••

••

•••••

•••

••

J23

J24

J25

J26

J27

•••

••

••••

•••

••

J36

J37

J38

J40

J41

J44

J51

J50

••••

•••••••••••••••••••••••••••

10S1680S-001-02 http://www.tyan.com

2.3 Jumper Settings

Refer to the following table for a quick reference of jumper settings:

Jumper # Assignments

J3 PS2/Mouse

J5,J6 Universal Serial Bus (J5: USB2, J6: USB1)

J7, J8 Reserved

J9 power supply

J21,J31,J32 bus speed

J24,25,26,27 CPU speed

J17-20,37,38,40,41 DRAM Voltage Select

J45 Pins 2,3: EXTSMI,

Pins15-16:IDE LED, Pins18-20:Power LED,

Pins22,23:Reset, Pins24-27: Speaker

J33 Flash BIOS Volt.Select (5V:1-2, 12V:2-3) Don't change!

J36 Reset CMOS (Closed: clear, Open: Normal)

J39 12V CPU Fan (Pin 2 is "+"--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: Cover Pins 22-23 with a jumper cap to

short the circuit between these pins.)

(Speaker: Cover Pins 24-27 with a jumper cap to

short the circuit between these pins.)

(Power LED: Cover Pins 18-20 with a jumper cap

to short the circuit between these pins.)

(IDE LED: Cover Pins 15-16 with a jumper cap to

short the circuit between these pins.)

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