Tyan Computer Tyan S1598 Cmos checksum error Defaults loaded, CPU at nnnn, Floppy disks fail

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CMOS checksum error - Defaults loaded

Checksum of CMOS is incorrect, so the system loads the default equipment configuration. A checksum error may indicate that CMOS has become corrupt. This error may have been caused by a weak battery. Check the battery and replace if necessary.

CPU at nnnn

Displays the running speed of the CPU.

Display switch is set incorrectly.

The display switch on the motherboard can be set to either monochrome or color. This message indicates the switch is set to a different setting than indicated in Setup. Determine which setting is correct, and then either turn off the system and change the jumper, or enter Setup and change the VIDEO selection.

Press ESC to skip memory test

The user may press Esc to skip the full memory test.

Floppy disk(s) fail

Cannot find or initialize the floppy drive controller or the drive. Make sure the controller is installed correctly. If no floppy drives are installed, be sure the Diskette Drive selection in Setup is set to NONE or AUTO.

HARD DISK initializing Please wait a moment...

Some hard drives require extra time to initialize.

HARD DISK INSTALLFAILURE

Cannot find or initialize the hard drive controller or the drive. Make sure the controller is installed correctly. If no hard drives are installed, be sure the Hard Drive selection in Setup is set to NONE.

Hard disk(s) diagnosis fail

The system may run specific disk diagnostic routines. This message appears if one or more hard disks return an error when the diagnostics run.

Keyboard error or no keyboard present

The keyboard cannot initialize. Make sure the keyboard is attached correctly and no keys were pressed during POST. To purposely configure the system without a keyboard, set the error halt condition in Setup to HALT ON ALL, BUT KEYBOARD. The BIOS then ignores the missing keyboard during POST.

S1598 Trinity ATX

SYSTEM

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Contents Motherboard User’s Manual Revision Tyan S1598Table of Contents This page has been intentionally left blank Overview ChapterIcons Hardware Specifications/FeaturesOn Board Cache Bios InformationChipset Information System MemoryOther Features Software SpecificationsTechnical Support On BoardAudio Manufacturing OptionHelp resources Returning Merchandise for ServiceFor Resellers Only Unpacking PrecautionsWhat’s the first thing I should do? Do Notapply Power to the Board if IT has Been Damaged Installation StepsPin jumpers Or more pin jumpers Off Open What is a Jumper?Dimm Map of Motherboard JumpersPicture of Motherboard Features CPU Bus Speed Settings Setting JumpersCPU Core Voltage Settings CPU Clock MultiplierHardware Cmos & Password Reset 66MHz. The benefit of this setting is that you canJ3 External Pin Assignments FAN Pin AssignmentsSoft Power Connector Acpi Bi-Color LED Connector J5Speaker Connector Installation Mounting the Motherboard in the ChassisDimm Bank Total Installing MemoryChapter Cache Memory CPU Installing the CPU and Cooling FanInstall Connecting IDE and Floppy Drives Connecting Floppy Drives Connecting the Power SupplyInstalling Add-on Cards Connecting PS/2, USB, Serial & Parallel Devices You are done Frequently Asked QuestionsInstall Chapter This page intentionally left blank Introduction to Setup Bios ConfigurationSetup Keys Key Function Setup Variations Main Setup MenuBios Features Setup Standard Cmos SetupChipset Features Setup Power Management SetupDate Standard Cmos SetupTime Chapter Drive A, Drive B Floppy 3 Mode SupportVideo Halt OnMemory Bios Features SetupSe tting Option Bios De fault Se tup De fault Bios Feature Setup Default Settings ChartQuick Power On Self Test Settings ChartBoot Sequence Virus WarningBoot Up NumLock Status Boot Up Floppy SeekTypematic Rate Setting Typematic Delay MsecSecurity Option Video Bios ShadowPCI/VGA Palette Snoop OS Select for Dram 64MBAdvanced Options Chipset Features SetupBank 0/1, 2/3, 4/5 Dram Timing Chipset Features Setup Default Settings ChartSdram Cycle Length Dram Read PipelineSystem Bios Cacheable Video Bios CacheableCache Timing Memory Hole at 15MbAddrIRQ7LPT1 Power Management SetupAcpi Function Power ManagementPM Control byAPM HDD Power Down PM TimersVideo Off Option Video Off MethodSuspend Mode Doze ModeRTC Alarm Resume PM EventsIRQn Processed. Secondary interrupts are typicallyPnP / PCI Configuration Default Settings Chart PnP/PCI ConfigurationReset Configuration Data PNP OS InstalledResources Controlled By PCI#2 Access #1 Retry PCI Delay TransactionIRQ-nAssigned to DMA-nAssigned toIntegrated Peripherals IDE Prefetch Mode Integrated Peripherals Default Settings ChartIDE HDD Block Mode On-Chip PCI IDE First/Second ChannelInit Display First IDE Primary/Secondary Master/Slave UdmaOnboard FDD Controller Onboard Serial Port 1Flash Writer Utility User PasswordChapter Flash Memory Writer Cmos battery failed Bios ROM checksum error System haltedPost Messages BeepDisplay switch is set incorrectly Cmos checksum error Defaults loadedKeyboard error or no keyboard present CPU at nnnnKeyboard is locked out Unlock the key Override enabled Defaults loadedMemory Test Memory test failThis page has been intentionally left blank Appendix Glossary Appendix Glossary Appendix Glossary Appendix Document # D1353-100 See pages 14-16 for details on Jumpers Jumper Settings Quick Reference