Tyan Computer TYAN S1668 user manual Introduction

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1. Introduction

1.1 Overview

The S1668 is a quality, high performance dual processor mainboard based on the powerful Intel Pentium Pro microprocessors. This mainboard is designed around the latest and fastest Intel 440FX chipset and can support CPU speeds of 150MHz through 200MHz.

The S1668 supports EDO memory, Burst EDO, ECC and memory parity checking.The S1668's PCI Local Bus provides high performance capabili- ties that are ideal for a wide range of demanding applications such as:

CAD, CAM, CAE, networking, multi-user environments, database man- agement, desktop publishing, image processing and 3D animation.

This integrated system board achieves the highest reliability and features the industry standard "ATX" form factor. Some of the features included are: on-board dual channel PCI IDE, on-board floppy controller, on-board high speed I/O, Universal Serial Bus and on-board PS/2 mouse connector.

Flexibility and expandibility have been designed into the S1668. With I/O and drive controller support built on-board, the five PCI and three ISA (One ISA and one PCI as a shared slot) slots are free for add-on expansion cards. With eight SIMM sockets, the S1668 can provide a very

flexible memory configuration of 8MB to 1024MB of RAM. With the S1668's support for dual Pentium Pro processors, you can start a system with just one CPU, and later add another, when more processing power is required.

Remember to take a look at Tyan Computers web site located at http://www.tyan.com. Here you can find information on all of Tyan's products along with FAQ's, distributors list, drivers and CMOS setting explanations.

S1668-ATX-001 http://www.tyan.com

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Contents Tyan S1668 Dual Pentium Pro ATX 440FX PCI-ISA System Board Table Of Contents Introduction Hardware Specifications/Features Environment Software SpecificationsBoard Installation VRM1 On Board Resource Setting .1 S1668 ATX Board LayoutCPU Clock Multiplier J21, J22, J23 and J24 Jumper Settings CPU Speed J27, J21, J22, J23, and J24Cmos Resest/Password Reset J41Default off Dram Voltage J2, J3, J14, J15, J4, J5, J16 and J17DefaultSpeaker Connector J43 Keylock Connector J44 Turbo Switch J47 Non-Turbo Mode Not SupportedSelection J28 & J29 InfraRed Interface Con4 and Con5 Reset Connector J45Turbo LED Connector J42 Flash Eeprom J32DefaultTurbo LED Connector Installation Soft Power On Switch J1 CPU FAN Power J49 and J50Speaker Connector Installation Turbo SwitchRefer to for Flash Eeprom upgrade procedures Hardware Reset Switch Connector InstallationVoltage ID for Older Pentium Pro CPUs J10 and J20 Dram InstallationBank0 Bank1 Bank2 Bank3 Total Memory TableCPU Installation VRM Installation Peripheral Device InstallationConnecting the Power Supply & On/Off Switch Entering Setup Bios ConfigurationControl Keys Getting Help Main Menu Setup Page menu/Option Page Setup MenuPower Management setup Standard Cmos setupBios features setup Chipset features setupStandard Cmos Setup Menu DateTime Drive a type/Drive B type Primary/Secondary Drive typeVideo Halt OnMemory Other Memory Expanded MemoryCPU Internal Cache/External Cache Boot SequenceSwap Floppy Drive Default value is Disabled Virus warningBoot Up NumLock Status Default value is On Boot Up Floppy SeekChipset Features Setup ROM ISA Bios Power Management Setup Award SOFTWARE, INC Power ManagementDoze Mode Standby ModePower Down Activities PCI Slot Configuration PCI/ISA PnP Resources Controlled ByIRQ n assigned to Legacy ISAIntegrated Peripherals Load Setup Defaults ROM ISA Bios Cmos Setup Utility Award SOFTWARE, INC IDE HDD Auto Detection Flash Writer Utility Page Flash Memory Writer Flash Memory Writer Utility Screen AwardSystem Resources Timer & DMA Channel MAP