Tyan Computer TYAN S1572 ATX JP23 CPU Speed, CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1/AMD

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3.2 Jumper Settings

CPU Speed Settings for Pentium P54C and P55C:

JP4

JP5

JP23

CPU Speed

 

 

 

 

 

 

off

off

1-2,3-4

75MHz

off

off

3-4

90MHz

 

off

off

1-2

100MHz

 

on

off

3-4

120MHz

 

on

off

1-2

133MHz

 

on

on

3-4

150MHz

 

on

on

1-2

166MHz

 

off

on

3-4

180MHz

 

off

on

1-2

200MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1/AMD:

JP4

JP5

JP6

CPU Speed/ID

 

 

 

 

on

off

1-2,3-4

100MHz/P120+

on

off

3-4

120MHz/P150+

on

off

1-2

133MHz/P166+

 

 

 

 

DIMM Memory Voltage Select: 3V is Default

DIMM VCC

3V

5V

JP9

1-2

2-3

JP10

1-2

2-3

 

 

 

Heatsink Fan Power: J18

pin1 GND

pin2 +12V

pin3 GND

S1572-001-01 http://www.tyan.com

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Contents Tyan S1572 ATX Page Table Of Contents Introduction Hardware Specifications/Features Environment Software SpecificationsBoard Installation CPU On Board Resource Setting .1 S1572 ATX Board LayoutDimm Memory Voltage Select 3V is Default CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1/AMDHeatsink Fan Power J18 JP23 CPU SpeedCPU Select Default P54C, P55CMMX, & Cyrix Bios Voltage Select JP2 Default isCmos Reset JP1Default Battery On J8 Jumper Block DescReset Connector J8 pin Keylock Connector J25Flash Eprom JP2 Speaker Connector J8 pins Port Setting J15 and J16HDD LED J8 pins 13-14 and pins Infra Red Interface J8 pins 8-11 and J2Hardware Reset Switch Connector Installation Speaker Connector InstallationRefer to for Flash Eprom upgrade procedures Hardware Cmos & Password ResetDram Installation CPU Installation Upgrading Cache Memory Peripheral Device InstallationEntering 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 MenuWBIOS features setup WStandard Cmos setupWChipset features setup WPower Management setupStandard Cmos Setup Menu DateTime Drive a type/Drive B type Primary/Secondary Drive TypeEGA/VGA VideoHalt On MemoryOther Memory Expanded MemoryBoot Sequence Attempting to write to boot sector, continue? Y/NSwap Floppy Drive Default value is Disabled Virus warningBoot Up Floppy Seek Boot Up NumLock Status Default value is OnGate A20 Option Video Bios Shadow Chipset Features SetupChipset Features Screen Security OptionWPower Management Power Management SetupWPM Control by APM WVideo Off MethodWDoze Mode WStandby ModeWReload Global Timer Events ROM ISA Bios PCI Slot Configuration Award SOFTWARE, INC PCI Slot ConfigurationWIRQ n assigned to WResources 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