Tyan Computer TYAN S1471 user manual Reset Connector J41 Turbo LED Connector J48 Flash Eprom J50

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Reset Connector: J41

Turbo LED Connector: J48

Flash EPROM: J50

Pinout Assignment

1Power Good

2Ground

Pinout Assignment

1Cathode

2Anode

This jumper should be left at the factory default.

J50 1-2

Keylock Connector: J47

Pinout Assignments

1Led Output

2No Connect

3Ground

4Keylock

5Ground

CMOS Resest/Password Reset: J45(Default off)

If you at anytime need to reset the CMOS because you have forgotten your password do the following.

If your system has the Dallas DS12887A chip, just power down the machine and close jumper J45for five seconds. Then open the jumper and power on the machine. Your CMOS will be cleared.

If your system has the Dallas DS12B887 chip, your system must be powered on when you close jumper J45. It only needs to be closed for a couple of seconds. Then remove the jumper and your CMOS will be cleared.

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Contents Tyan S1471 Table Of Contents Introduction Hardware Specifications/Features Software Specifications EnvironmentBoard Installation On Board Resource Setting .1 S1471 Board Layout RTCCPU Speed Settings for Cyrix/SGS/IBM 6x86/M1 J15 J40 J39 CPU Voltage Regulator SettingsDefault CPU Multiplier J40 and J39 Volts J11 DefaultOff Memory Voltage DIMMs Default is Volts Host Bus Setting J15Keylock Connector J47 Reset Connector J41 Turbo LED Connector J48 Flash Eprom J50Cmos Resest/Password Reset J45Default off Infra Red Interface Con9 and Con10 Port Setting J13 and J14Speaker Connector J42 Turbo Switch J49 VCCTurbo Switch Speaker Connector InstallationTurbo LED Connector Installation Hardware Reset Switch Connector Installation Refer to for Flash Eprom upgrade procedures9DRAM Installation CPU Installation Peripheral Device Installation Upgrading Cache MemoryConnecting the Power Supply GND GND VCCPage To Enter Setup Before Boot Press CTRL-ALT- ESC or DEL KEY Entering SetupPress F1 to CONTINUE, CTRL-ALT-ESC or DEL to Enter Setup Control Keys Setup Page menu/Option Page Setup Menu Getting Help Main MenuChipset features setup Standard Cmos setupBios features setup Power Management setupDate Standard Cmos Setup MenuTime Primary/Secondary Drive type Drive a type/Drive B typeHalt On VideoEGA/VGA MemoryExpanded Memory Other MemoryVirus warning Boot SequenceSwap Floppy Drive Default value is Disabled CPU Internal Cache/External CacheBoot Up Floppy Seek Boot Up NumLock Status Default value is OnChipset Features Screen Chipset Features SetupVideo Bios Shadow Security OptionWPM Control by APM Power ManagementWVideo Off Method WStandby Mode Doze ModeWPower Down Activities PCI Slot Configuration Legacy ISA Resources Controlled ByWIRQ n assigned to PCI/ISA PnPIntegrated Peripherals Load Setup Defaults Enter PasswordROM ISA Bios Cmos Setup Utility Award SOFTWARE, INC Password DisabledIDE HDD Auto Detection Flash Writer Utility Page Flash Memory Writer Utility Screen Award Flash Memory WriterDMA Channels Timer MAPSystem Resource NMI