Tyan Computer Tyan S1598 J3 External Pin Assignments, FAN Pin Assignments, Memory Clock

Page 15

1-D. J3 External Pin Assignments

HDD

LED

VCC

1

2

Po wer LED

Pwr/Slp

LEDs

Pin2

LED

3

4

Gro und

Pin1

Reset

Switch

Gro und

5

6

Po wer On /Off

Power

Switch

Pin18

Switch

7

8

Gro und

Pin17

VCC

9

10

Gro und

Infrared

Receive

11

12

K/B Lock

IRRX

13

14

Gro und

SMI

Switch

Gro und

15

16

SM I Switch

J3 Side View

IRTX

17

18

Gro und

1-E. FAN Pin Assignments

	1	2	3

FAN1, FAN2	GND	+12V	Fan Monitor

	1-F. Memory Clock	Memory Clock	JP7
	The memory clock can be set to run at the CPU	Memory Clock	JP7

		CPU Clock	1-2
	clock speed or to the AGP bus speed (normally	CPU Clock	1-2
	clock speed or to the AGP bus speed (normally
	66MHz). The benefit of this setting is that you can	AGP Clock	2-3
	run the CPU bus at 100MHz with only 66MHz
	run the CPU bus at 100MHz with only 66MHz
	memory by setting the memory clock jumper to
	memory by setting the memory clock jumper to	CMOS	JP13
	AGP.	CMOS	JP13

		Default	1-2
		Default	1-2
	Hardware CMOS & Password Reset
	Hardware CMOS & Password Reset	Reset CMOS	2-3

If you have been locked out of

your system because you forgot

JP1 - JP7

your password or set the CMOS

incorrectly, follow the instruc-

tions below.

1. Power off the system

FAN1

2. Set jumper JP13 to pins 2 and 3

3. Wait for 2 seconds, then return

jumper JP13 to pins 1 and 2.

JP8 - JP12

4. Power on the system again.

By following this procedure, you

FAN2,

will erase your password and

reset the CMOS to the BIOS

JP13

defaults.

J3, J4

S1598 Trinity ATX

INSTALL

15

Image 15

Contents Motherboard User’s Manual Revision Tyan S1598Table of Contents This page has been intentionally left blank Overview ChapterIcons Hardware Specifications/FeaturesSystem Memory Bios InformationOn Board Cache Chipset InformationOn BoardAudio Manufacturing Option Software SpecificationsOther Features Technical SupportReturning Merchandise for Service Help resourcesFor Resellers Only Precautions UnpackingWhat’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 Clock Multiplier Setting JumpersCPU Bus Speed Settings CPU Core Voltage SettingsFAN Pin Assignments 66MHz. The benefit of this setting is that you canHardware Cmos & Password Reset J3 External Pin AssignmentsMounting the Motherboard in the Chassis Acpi Bi-Color LED Connector J5Soft Power Connector Speaker Connector InstallationDimm 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 MenuPower Management Setup Standard Cmos SetupBios Features Setup Chipset Features SetupStandard Cmos Setup DateTime Chapter Halt On Floppy 3 Mode SupportDrive A, Drive B VideoMemory Bios Features SetupSe tting Option Bios De fault Se tup De fault Bios Feature Setup Default Settings ChartVirus Warning Settings ChartQuick Power On Self Test Boot SequenceTypematic Delay Msec Boot Up Floppy SeekBoot Up NumLock Status Typematic Rate SettingOS Select for Dram 64MB Video Bios ShadowSecurity Option PCI/VGA Palette SnoopAdvanced Options Chipset Features SetupDram Read Pipeline Chipset Features Setup Default Settings ChartBank 0/1, 2/3, 4/5 Dram Timing Sdram Cycle LengthMemory Hole at 15MbAddr Video Bios CacheableSystem Bios Cacheable Cache TimingIRQ7LPT1 Power Management SetupPower Management Acpi FunctionPM Control byAPM Video Off Method PM TimersHDD Power Down Video Off OptionPM Events Doze ModeSuspend Mode RTC Alarm ResumeIRQn Processed. Secondary interrupts are typicallyPnP / PCI Configuration Default Settings Chart PnP/PCI ConfigurationPNP OS Installed Reset Configuration DataResources Controlled By DMA-nAssigned to PCI Delay TransactionPCI#2 Access #1 Retry IRQ-nAssigned toIntegrated Peripherals On-Chip PCI IDE First/Second Channel Integrated Peripherals Default Settings ChartIDE Prefetch Mode IDE HDD Block ModeOnboard Serial Port 1 IDE Primary/Secondary Master/Slave UdmaInit Display First Onboard FDD ControllerFlash Writer Utility User PasswordChapter Flash Memory Writer Beep Bios ROM checksum error System haltedCmos battery failed Post MessagesCPU at nnnn Cmos checksum error Defaults loadedDisplay switch is set incorrectly Keyboard error or no keyboard presentMemory test fail Override enabled Defaults loadedKeyboard is locked out Unlock the key Memory TestThis 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