Tyan Computer TYAN S1471 user manual Volts J11 Default, Off Memory Voltage DIMMs Default is Volts

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Memory Voltage SIMMs: Some EDO memory uses 3.3V.

Damage to system can result if these are set incorrectly!

 

Volts

J5

J7

 

J9

 

J11

 

J3

J6

J8

Default

5V

On

 

On

 

On

 

On

 

Off

Off

Off

 

 

3.3V

Off

 

Off

 

Off

 

Off

 

On

On

On

Memory Voltage DIMMs: Default is 5V.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Volts

 

JP1

 

JP2

 

JP3

 

 

 

 

 

Default

5V

 

1-2

 

1-2

 

1-2

 

 

 

 

 

 

 

3.3V

 

2-3

 

2-3

 

2-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU Multiplier: J40 and J39

J40

J39

Multiplier

 

off

off

x1.5

on

off

x2

 

 

 

 

on

on

x2.5

off

on

x3

 

 

 

 

 

Host Bus Setting: J15

J15

Host Speed

PCI Speed

1-2,3-4

50MHz

25MHz

 

1-2

66.67MHz

33.33MHz

 

3-4

60MHz

30MHz

 

 

 

 

S1471-001-01 http://www.tyan.com

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Contents Tyan S1471 Table Of Contents Introduction Hardware Specifications/Features Environment Software SpecificationsBoard Installation RTC On Board Resource Setting .1 S1471 Board LayoutCPU Voltage Regulator Settings CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1 J15 J40 J39Off Memory Voltage DIMMs Default is Volts Volts J11 DefaultDefault CPU Multiplier J40 and J39 Host Bus Setting J15Reset Connector J41 Turbo LED Connector J48 Flash Eprom J50 Keylock Connector J47Cmos Resest/Password Reset J45Default off Speaker Connector J42 Turbo Switch J49 Port Setting J13 and J14Infra Red Interface Con9 and Con10 VCCSpeaker Connector Installation Turbo SwitchTurbo LED Connector Installation Refer to for Flash Eprom upgrade procedures Hardware Reset Switch Connector Installation9DRAM Installation CPU Installation Upgrading Cache Memory Peripheral Device InstallationGND GND VCC Connecting the Power SupplyPage Entering Setup To Enter Setup Before Boot Press CTRL-ALT- ESC or DEL KEYPress F1 to CONTINUE, CTRL-ALT-ESC or DEL to Enter Setup Control Keys Getting Help Main Menu Setup Page menu/Option Page Setup MenuBios features setup Standard Cmos setupChipset features setup Power Management setupStandard Cmos Setup Menu DateTime Drive a type/Drive B type Primary/Secondary Drive typeEGA/VGA VideoHalt On MemoryOther Memory Expanded MemorySwap Floppy Drive Default value is Disabled Boot SequenceVirus warning CPU Internal Cache/External CacheBoot Up NumLock Status Default value is On Boot Up Floppy SeekVideo Bios Shadow Chipset Features SetupChipset Features Screen Security OptionPower Management WPM Control by APMWVideo Off Method Doze Mode WStandby ModeWPower Down Activities PCI Slot Configuration WIRQ n assigned to Resources Controlled ByLegacy ISA PCI/ISA PnPIntegrated Peripherals Enter Password Load Setup DefaultsPassword Disabled ROM ISA Bios Cmos Setup Utility Award SOFTWARE, INCIDE HDD Auto Detection Flash Writer Utility Page Flash Memory Writer Flash Memory Writer Utility Screen AwardSystem Resource Timer MAPDMA Channels NMI