Tyan Trinity KT400 S2495 User manual

Trinity KT400 S2495 User’

s Manual

i

http://www.tyan.com

Trinity KT400

///

S2495

Revision 1.02

may be reproduced or translated without prior written consent from TYAN Computer Corp.

All registered and unregistered trademarks and company names contained in this manual are

property of their respective owners including, but not limited to the following.

TYAN, Trinity, KT400 and S2495 are trademarks of TYAN Computer Corporation.

AMD, Athlon and Duron are trademarks of Advanced Micro Devices, Inc.

VIA, KT400, are trademarks of VIA Technologies, Inc.

Silicon Image is a trademark of Silicon Image, Inc.

High Point is a trademark of HighPoint Technologies, Inc.

Award, AwardBIOS are trademarks of Award Software Incorporated.

Microsoft and Windows are trademarks of Microsoft Corporation.

IBM, PC, AT and PS/2 are trademarks of IBM Corporation.

Winbond is a trademark of Winbond Electronics Corporation.

Sony/Philips Digital Interface (SPDIF) is a trademark of Sony Corporation and Philips

Electronics.

Portable Document Format (PDF) is a trademark of Adobe Corporation.

Information contained in this document is furnished by TYAN Computer Corporation and has

been reviewed for accuracy and reliability prior to printing. TYAN assumes no liability

whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of

TYAN products including liability or warranties relating to fitness for a particular purpose or

merchantability. TYAN retains the right to make changes to product descriptions and/or

specifications at any time, without notice. In no event will TYAN be held liable for any direct or

indirect, incidental or consequential damage, loss of use, loss of data or other malady resulting

from errors or inaccuracies of information contained in this document.

Trinity KT400 S2495

Table of Contents

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Table of Contents

Before you begin… ................................................................................................................iii

Chapter 1: Introduction.......................................................................................................1-1

1.1 – Congratulations!.....................................................................................................1-1

1.2 – Hardware Specifications........................................................................................1-2

Chapter 2: Board Installation..............................................................................................2-1

2.1 – Board Image ..........................................................................................................2-2

2.2 – Board Parts............................................................................................................2-3

2.3 – Jumper Settings & Definitions................................................................................2-4

2.4 – Connector Description............................................................................................2-5

2.5 – Mounting the Motherboard...................................................................................2-13

2.6 – Installing the Memory...........................................................................................2-14

2.7 – Memory Installation Procedure.............................................................................2-15

2.8 – Installing the Processor and Heatsink..................................................................2-16

2.9 – Attaching Drive Cables.........................................................................................2-18

2.10 – Installing Add-In Cards.......................................................................................2-20

2.11 – Connecting External Devices.............................................................................2-21

2.12 – Installing the Power Supply................................................................................2-21

2.13 – Finishing Up .......................................................................................................2-22

Chapter 3: BIOS Setup.........................................................................................................3-1

3.1 – Main BIOS Setup ...................................................................................................3-3

3.2 – Standard CMOS Features......................................................................................3-5

3.3 – Advanced BIOS Features......................................................................................3-7

3.4 – Advanced Chipsets Features...............................................................................3-10

3.5 – Integrated Peripherals..........................................................................................3-14

3.6 – Power Management Setup...................................................................................3-19

3.7 – PnP/PCI Configurations.......................................................................................3-23

3.8 – PC Health Status .................................................................................................3-24

3.9 – Frequency/Voltage Control..................................................................................3-25

3.10 – Load Fail-Safe Defaults......................................................................................3-26

3.11 – Load Optimized Defaults....................................................................................3-26

3.12 – Supervisor/User Password Setting.....................................................................3-27

3.13 – Exit Selecting.....................................................................................................3-28

Chapter 4: Diagnostics........................................................................................................4-1

4.1 Beep Codes..............................................................................................................4-1

4.2 Flash Utility ...............................................................................................................4-1

Appendix I: Glossary...........................................................................................................5-1

Appendix II: Post Error Code for BIOS...............................................................................5-7

Technical Support.........................................................................................................5-15

Trinity KT400 S2495 Before you begin…

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Before you begin…

Check the box contents!

The retail motherboard package should contain the following:

1x Trinity KT400 S2495 motherboard

1x 34-Pin floppy drive cable

1x Ultra-DMA -133/100/66/33 IDE cable (One additional for IDE RAID)

1x Trinity KT400 S2495 User’s Manual

1x TYAN driver CD

1x I/O shield

1 x Serial ATA Driver Diskette and User’s Manual (Optional)

1 x IDE RAID Driver Diskette and User’s Manual (Optional)

If any of these items are missing, please contact your vendor/dealer for replacement before

continuing with the installation process.

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Chapter 1: Introduction

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Chapter 1: Introduction

1.1 – Congratulations!

You have purchased one of the most powerful solutions for the AMD Athlon XP processor, the

Trinity KT400 S2495. Based on VIA’s KT400 chipsets, the main features of the Trinity KT400

S2495 are: ATX form factor, onboard 10/100 Fast Ethernet port, and 6-channel audio. It also

offers optional features such as Serial ATA and IDE RAID for desktop demands.

Remember to visit TYAN’s Website at http://www.tyan.com. There you can find information on

all of TYAN’s products with FAQs, distributors list, and BIOS setting explanations.

Trinity KT400 S2495

Chapter 1: Introduction

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1.2 – Hardware Specifications

Processors

• Socket A processor

• AMD Athlon™ XP / Athlon™ / Duron™

processor supports up to 3000+ CPU

• Front-Side Bus support for 200/266/333MHz

Chipset

• VIA KT400 North Bridge chipset

• VIA VT8235 South Bridge chipset

• Winbond W83697HF LPC I/O chip

Memory

• Three 184-pin DIMM sockets

• Supports DDR 400*/333/266/200

• Up to 3GB Registered, unbuffered non-ECC

type memory modules

* NOTE: PC2700 maximum to 2 DIMM

support only. PC3200 maximum to 1 DIMM

(DIMM 3) support only. Please go to TYAN

website http://www.TYAN.com for the latest

DDR400/PC3200 qualified memory test list.

Integrated LAN Controller

• VIA VT6103 PHY 10/100Base-TX Ethernet

controller

• One RJ-45 LAN connector with LEDs

Intelligent Audio

• ALC650 6-Channel AC97 audio CODEC

• Line-in / Speaker-out / MIC-in phone jacks

• CD-in / Aux-in connectors

• SPDIF output connector

Integrated IDE RAID (Optional)

• High Point HPT372N supports IDE RAID 0,

1, 0+1

• Dual IDE channels for ATA 133

Integrated Serial ATA (Optional)

• Silicon Image SiI3112 controller

• Two Serial ATA ports

Integrated PCI IDE

• Dual channel master mode support up to

four IDE devices

• Support for ATA-133 / 100 / 66 IDE drives

and ATAPI compliant devices

Integrated I/O Interface

• One floppy connector supports up to

two drives

• Six USB 2.0 ports (4 ports on rear

panel, 2 ports by pin-header)

• One IrDA connector

Rear Panel I/O ports

• Stacked PS/2 Mouse & Keyboard ports

• Stacked two USB 2.0 ports and RJ45

LAN port on top

• Stacked two USB 2.0 ports

• Two 9-pin UART Serial ports

• One 25-pin SPP/ECP/EPP Parallel port

• Audio jacks

Expansion Slots

• Six 32-bit / 33MHz PCI 2.2 slots

• One 1.5V AGP 4X / 8X slot

BIOS

• Award BIOS 4Mbit Flash ROM

• Support APM 1.2 & ACPI 1.0B

• PnP, DNI 2.0, WFM 2.0 Power

Management

• Jumper free for System over clocking

and over voltage for CPU / Memory /

AGP

Power

• On board VRM, 2-phase PWM

• ATX 20-pin power connector

Regulatory

• EMI - CE, FCC Class B

Miscellaneous

• WOL, STR, Three fan connectors

• POST code 7-segment LED display

Form Factor

• ATX footprint

• 305mm x 245mm (12” x 9.6”)

Note: TYAN reserves the right to add support or discontinue support for any OS with or

without notice.

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Chapter 2: Board Installation

Installation

You are now ready to install your motherboard. The mounting holes pattern of the Trinity

KT400 S2495 matches the ATX specification. Before continuing with installation, confirm that

your chassis supports a standard ATX motherboard.

How to install our products right…. the first time!

The first thing you should do read this user’s manual. It contains important information that

will make configuration and setup much easier. Here are some precautions you should take

when installing your motherboard:

(1) Ground yourself properly before removing your motherboard from the antistatic bag.

Unplug the power from your computer power supply and then touch a safely

grounded object to release static charge (i.e. power supply case). For the safest

conditions, TYAN recommends wearing a static safety wrist strap.

(2) Hold the motherboard by its edges and do not touch the bottom of the board, or flex

the board in any way.

(3) Avoid touching the motherboard components, IC chips, connectors, memory

modules and leads.

(4) Place the motherboard on a grounded antistatic surface or on the antistatic bag that

the board was shipped in.

(5) Inspect the board for damage.

The following pages include details on how to install your motherboard into your chassis, as

well as installing the processor, memory, disk drives and cables.

Note: DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN DAMAGED

Trinity KT400 S2495 Chapter 2: Board Installation

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2.1 – Board Image

The following is an image of the Trinity KT400 S2495.

The above photograph is purely representative. Due to engineering updates and new

board revisions, certain components may change and or be repositioned. The picture

above may or may not look exactly like the board you received.

The following page includes details on the vital components of this motherboard.

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2.2 – Board Parts

Ÿ

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

1

2

17

18

This jumper diagram is representative of the latest board revision available at the time

of publishing. The board you receive may or may not look exactly like the above

diagram. The board parts are not to scale.

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2.3 – Jumper Settings & Definitions

Jumper Function Ref. Page

CMOS Clear CMOS Page 2-4

JCK1 FSB Select Page 2-5

JCK2 FSB Select Page 2-5

Jumper Example

Jumper OFF – open (without jumper cap)

Jumper ON – closed (with jumper cap)

CMOS Reset (CMOS)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOSWOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

CMOS

1

Normal

1

Clear CMOS

You can reset the CMOS settings in case an incorrect setting causes

system instability or you have forgotten your system/setup password or

have just flashed your BIOS by using these jumpers.

- Power off system, disconnect power supply from motherboard

- Set jumper to Clear CMOS

- Wait about 5 seconds

- Set jumper to Normal (Default)

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CPU FSB Select (JCK1 & JCK2)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOSWOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

JCK1

JCK2

Note:

Ÿ For software FSB programming by BIOS SETUP utility, JCK1 and JCK2 have to

place at Default (see 3.9 – Frequency/Voltage Control).

JCK# 100MHz*(Default) 133MHz 166MHz

JCK1

1 3

. 1 3

JCK2

1 3

About the jumpers setting (JCK1 & JCK2) please see the following information:

1. If JCK1 and JCK2 are left in their default settings (100MHz) then the BIOS will

automatically detect a 100MHz or 133MHz CPU automatically.

2. If you want to use a 333MHz CPU then you will need to manually change the jumpers to

the 166MHz setting, however if you set the CPU FSB to this speed then you'll only be

able to run the memory at DDR333.

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2.4 – Connector Description

Connector Function Ref. Page

J1 Front panel connector Page 2-6

LED1 Power On LED Page 2-7

LED2 Post error code for BIOS Page 5-7

FAN1 CPU fan connector Page 2-7

FAN2 Chassis fan connector Page 2-7

FAN3 Power fan connector Page 2-7

USB3 USB header #3 Page 2-8

WOL Wake On LAN Page 2-8

CD1 CD Audio-in connector Page 2-9

AUX1 Auxiliary Line-In connector Page 2-9

AUD1 Front Audio Page 2-10

GAME1 Game port connector Page 2-10

SPDIF1 Sony/Philips Digital InterFace connector Page 2-11

SATA1/SATA2* Serial ATA connector Page 2-11

RAID IDE1/RAID IDE2*

IDE RAID connector Page 2-12

* SATA and IDE RAID are optional functions.

Front Panel Connector (J1)

Your chassis will usually come with connectors to install onto the motherboard, such as HD

and Power LEDs. The Front Panel Connector (J1) has been implemented for such purposes.

2

1

18

17

(1, 3) HD-LED

(5, 7) RESET

(9, 11, 13, 15, 17) IR

(2, 4, 6) PW-LED

(8, 10) PW-ON

(12, 14, 16, 18) SPEAKER

Pin 2

Pin 4 Pin 6

Pin 8

Pin 10

Pin 12

Pin 14

Pin 16

Pin 18

POWER

_ LED

GND GND

POWER

BUTTON

GND

VCC

GND NC SPEAKER

Pin 1

Pin 3 Pin 5

Pin 7

Pin 9

Pin 11

Pin 13

Pin 15

Pin 17

VCC HDD_LED

GND

REST

BUTTON

VCC CIRRX

IRRX

GND IRTX

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LED Information (LED1 & LED2)

S2495

CPU

USB3

1

KB1

USB1

COM1COM2

LPT1

FAN1

ATX1

USB2AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2

PCI3

PCI4

PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

LED1

LED2

LEDs Description

LED1 Power on LED

LED2 Post error code for BIOS (Ref. Appendix II)

Fan Connector (FAN1 & FAN2 & FAN3)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

FAN1

FAN2

FAN3

Fan # Description Functions

1 CPU fan RPM Read and controlled

2 Chassis fan RPM Read and controlled

3 Power fan The fan connector does not support RPM function

which can not detect speed of the fan.

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USB3 Connector

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOSWOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

USB3

Connector Description Functions

1

5

6

10

Pin 1: VCC

Pin 2: -Data

Pin 3: +Data

Pin 4: GND

Pin 5: GND

Pin 6: GND

Pin 7: GND

Pin 8: +Data

Pin 9: -Data

Pin 10: VCC

Use the USB3 header here for front panel

USB 2.0 connectors (via an optional cable)

WOL Connector

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

WOL

Connector

Description Functions

WOL Wake On LAN Reserved for a network interface card to wake the

system from power saving mode.

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CD1 Connector (CD Audio-In)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

CD1

Connector

Description Functions

1 4

Pin 1: CD_In_Left

Pin 2: CD_Reference

Pin 3: CD_Reference

Pin 4: CD_In_Right

Connect CD-ROM (DVD) audio out

AUX1 Connector (Auxiliary Line-In)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2

PCI3

PCI4

PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

AUX1

Connector

Description Functions

1 4

Pin 1: Lift Line_In

Pin 2: GND

Pin 3: GND

Pin 4: Right Line_In

Connect other devices audio out

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AUD1 Connector

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

AUD1

Description

.

2

1

10

9

2

1

10

9

Jumper 5-6, 9-10 = Rear panel audio output (Default)

Jumper open = Front panel audio output (via an optional cable)

GAME1 Connector

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

GAME1

Connector Description

GAME1 Game port connector (via an optional cable)

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SPDIF1 Connector

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2

PCI3

PCI4

PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

SPDIF1

Connector Description Functions

1

5

2

6

Pin 1: VCC

Pin 3: Non

Pin 5: SPDIF_IN

Pin 2: SPDIF_OUT

Pin 4: NC

Pin 6: GND

Sony/Philips Digital InterFace

connector (via an optional cable)

SATA1 / SATA2 Connectors (Optional)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2PCI3PCI4PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

SATA2

SATA1

Connector

Description Functions

SATA1 Serial ATA connector Supports serial ATA devices

SATA2 Serial ATA connector Supports serial ATA devices

Trinity KT400 S2495 Chapter 2: Board Installation

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RAID IDE1 / RAID IDE2 Connectors (Optional)

S2495

CPU

USB3

1

KB1

USB1

COM1

COM2

LPT1

FAN1

ATX1

USB2

AUD2

CD1

AUX1

AUD1

ALC650

SPDIF1

FAN3

JCK1

JCK2

VT6103

AGP1

W83697HF

GAME1

BIOS

WOL

FAN2

VIA KT400

VT8377

VIA

VT8235

PCI1PCI2

PCI3

PCI4

PCI5PCI6

SATA2

SATA1

FDD

LED2

CMOS

BAT1

(Optional)

HPT372N

(Optional)

SII3112

(Optional)

PRI-IDE

SEC-IDE

RAID IDE2

RAID IDE1

J1

LED1

DIMM1

DIMM2

DIMM3

RAID IDE2

RAID IDE1

Connector

Description Functions

RAID IDE1

IDE RAID connector Supports IDE RAID 0, 1, 0+1

RAID IDE2

IDE RAID connector Supports IDE RAID 0, 1, 0+1

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2.5 – Mounting the Motherboard

Before installing your motherboard, make sure your chassis has the necessary motherboard

support studs installed. These studs are usually metal and are gold in color. Usually, the

chassis manufacturer will pre-install the support studs. If you’re unsure of stud placement,

simply lay the motherboard inside the chassis and align the screw holes of the motherboard to

the studs inside the case. If there are any studs missing, you will know right away since the

motherboard will not be able to be securely installed.

Some chassis’ include plastic studs instead of metal. Although the plastic studs are usable,

TYAN recommends using metal studs with screws that will fasten the motherboard more

securely in place.

- Memory Type: The S2495 Trinity KT400 supports Registered, unbuffered non-ECC type

memory modules.

- CPU Front-Side Bus Speed Match: When the CPU FSB is 333MHz, you must to use

DDR333 (PC2700) memory modules.

Below is a chart detailing what the most common motherboard studs look like and how they

should be installed it.

TIP: Use metal studs if possible, as they hold the motherboard into place more securely than

plastic standoffs.

Trinity KT400 S2495 Chapter 2: Board Installation

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2.6 – Installing the Memory

Before attempting to install any memory, make sure that the memory you have is compatible

with the motherboard as well as the processor. For example, while PC1600 DDR modules are

compatible with all DDR based motherboards, they will not work if you are required to run the

motherboard and processor buses at 133MHz. For this, PC2100 DDR modules are required.

Critically important is whether you’re using the recommended memory for the current board

you have. For this information, please check TYAN’s web site at: www.tyan.com

The following diagram shows the types of RAM modules you may encounter depending on

your board:

Registered DDR SDRAM

Registered

memory has

extra buffer

chips near the

bottom

DDR Unbuffered

Here are a few key points to note before installing memory into your Trinity KT400 S2495:

• 128MB, 256MB, 512MB and 1GB Registered, unbuffered non-ECC

PC1600/PC2100/PC2700/PC3200* DDR memory modules are supported

• All installed memory will be automatically detected - no need to set any jumpers

• The Trinity KT400 S2495 supports up to 3GB of memory

* NOTE: DDR400/PC3200 Qualified Memory Test List:

Vendor Type Size

ADATA winbond

W942508BH-5 256MB

PC2700 maximum to 2 DIMM support only. PC3200 maximum to 1 DIMM (DIMM 3)

support only.

Please go to TYAN website http://www.TYAN.com for the latest DDR400/PC3200

qualified memory test list.

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2.7 – Memory Installation Procedure

When installing memory modules, make sure the modules align properly with the memory

socket. There should be keys (small indents) on your memory modules that fit according to the

keys in the memory socket. DDR modules and sockets have only one key, which is slightly

near the center of the module/socket. SDRAM modules (also referred to as PC100 or PC133)

and their sockets have two keys and will not insert into DDR DIMM sockets. The method of

installing memory modules is detailed in the following diagrams.

Once the memory modules are firmly seated in the socket, two clamps on either side will close

and secure the module into the socket. Sometimes you may need to close the clamps

manually.

To remove the memory module, simply push the clamps outwards until the memory module

pops up. Then simply remove the module.

TIP: When installing memory, a module may require a considerable amount of force to seat

properly, although this is very rare. To avoid bending and damaging your motherboard, place

it on its anti-static bag and onto a flat surface, and then proceed with memory installation.

Note: YOU MUST unplug the power connector to the motherboard before performing system

hardware changes, to avoid damaging the board or expansion device

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