Tyan TRINITY KT400 User Manual
Trinity KT400 S2495 User’
s Manual
S2495
Tri nity KT400
///
Revision 1.02
Copyright © TYAN Computer Corporation, 2003. All rights reserved. No part of this manual
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.
http://www.tyan.com
i
Trinity KT400 S2495
Table of Contents
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
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ii
Trinity KT400 S2495 Before you begin…
Before you begin…
Check the box contents!
The retail motherboard package should contain the following:
1x Trinity KT400 S2495 motherboard
1x Ultra-DMA-133/100/66/33 IDE cable (One additional for IDE RAID)
1 x Serial ATA Driver Diskette and User’s Manual (Optional)
1x 34-Pin floppy drive ca ble
1x Trinity KT400 S2495 User’s Manual
1x TYAN driver CD
1x I/O shield
If any of these items are missing, please contact your vendor/dealer for replacement before
continuing with the installation process.
1 x IDE RAID Driver Diskette and User’s Manual (Optional)
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Trinity KT400 S2495
Chapter 1: Introduction
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.
1-1
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Trinity KT400 S2495
Chapter 1: Introduction
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
DDR 400/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
Note: TYAN reserves the right to add support or discontinue support for any OS with or
without notice.
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”)
1-2
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Trinity KT400 S2495 Chapter 2: Board Installation
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
2-1
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Trinity KT400 S2495 Chapter 2: Board Installation
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.
2-2
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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
1217
18
2.2 – Board Parts
Ÿ
1
1
ALC650
SPDIF1
CD1
AUX1
FAN3
1
JCK1
AGP1
JCK2
WOL
1
FAN2
BIOS
1
GAME1
W83697HF
CPU
LED1
(Optional)
(Optional)
1
FDD
SATA2
SATA1
USB3
LED2
1
CMOS
SII3112
(Optional)
HPT372N
(Optional)
BAT1
VT8235
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
(Optional)
(Optional)
VT8377
DIMM1
DIMM2
DIMM3
J1
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.
2-3
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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
CMOS
2.3 – Jumper Settings & Definitions
Jumper Example
CMOS Reset (CMOS)
Jumper Function Ref. Page
CMOS Clear CMOS Page 2-4
JCK1 FSB Select Page 2-5
JCK2 FSB Select Page 2-5
Jumper OFF – open (without jumper cap)
Jumper ON – closed (with jumper cap)
W83697HF
1
CD1
AUX1
1
ALC650
SPDIF1
1
FAN3
JCK1
AGP1
JCK2
1
BIOSWOL
GAME1
1
FAN2
(Optional)
(Optional)
1
Normal
1
Clear CMOS
CPU
DIMM1
DIMM2
DIMM3
LED1
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
PCI1PCI2PCI3PCI4PCI5PCI6
VT8377
VIA
VT8235
(Optional)
(Optional)
J1
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
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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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
VIA KT400
JCK1
JCK1
JCK2
CPU FSB Select (JCK1 & JCK2)
W83697HF
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
1
CD1
AUX1
1
ALC650
SPDIF1
1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
(Optional)
(Optional)
USB2AUD2
1
AUD1
VT6103
FAN3
JCK1
1
1
AGP1
JCK2
DIMM1
DIMM2
DIMM3
CPU
LED1
VT8377
J1
1
BIOSWOL
GAME1
1
FAN2
1
USB3
(Optional)
SII3112
SATA2
(Optional)
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
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
1 3
1 3
. 1 3
JCK1
1 3
1 3
1 3
JCK2
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.
2-5
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Trinity KT400 S2495 Chapter 2: Board Installation
18
17
(12, 14, 16, 18) SPEAKER
BUTTON
2.4 – Connector Description
* 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.
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
(2, 4, 6) PW-LED
(8, 10) PW-ON
Pin 2
POWER
_ LED
Pin 1
VCC HDD_LED GND REST
2
1
(5, 7) RESET
(1, 3) HD-LED
Pin 4 Pin 6 Pin 8 Pin 10 Pin 12 Pin 14 Pin 16 Pin 18
GND GND POWER
BUTTON
Pin 3 Pin 5 Pin 7 Pin 9 Pin 11 Pin 13 Pin 15 Pin 17
(9, 11, 13, 15, 17) IR
GND
VCC CIRRX IRRX
2-6
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VCC GND NC SPEAKER
GND IRTX
Trinity KT400 S2495 Chapter 2: Board Installation
S2495
1
111
KB1
USB1
FAN1
VIA KT400
LED1
S2495
1
111
KB1
USB1
COM1
FAN1
VIA KT400
FAN1
FAN3
LED Information (LED1 & LED2)
W83697HF
ALC650
SPDIF1
1
CD1
USB2AUD2
AUX1
1
AUD1
1
VT6103
FAN3
JCK1
AGP1
JCK2
COM1COM2
LPT1
ATX1
1
BIOS
WOL
GAME1
1
FAN2
CPU
DIMM1
DIMM2
DIMM3
LED1
LED2
(Optional)
(Optional)
PCI3
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
PCI1PCI2
VT8377
VIA
(Optional)
(Optional)
J1
PCI4
PCI5PCI6
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
LEDs Description
LED1 Power on LED
LED2 Post error code for BIOS (Ref. Appendix II)
Fan Connector (FAN1 & FAN2 & FAN3)
W83697HF
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
1
CD1
AUX1
1
ALC650
SPDIF1
1
FAN3
AGP1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
(Optional)
(Optional)
COM2
USB2AUD2
VT6103
VT8377
LPT1
ATX1
JCK2
CPU
DIMM1
DIMM2
DIMM3
J1
LED1
AUD1
JCK1
FAN2
(Optional)
(Optional)
1
BIOS
WOL
GAME1
1
FAN2
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
Fan # Description Functions
1 CPU fan RPM Read and controlled
2 Chassis fan RPM Read and controlled
3 P ower fan The fan connector does not support RPM function
which can not detect speed of the fan.
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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
111
11111
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
156
10
S2495
111
11111
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
USB3 Connector
1
BIOSWOL
GAME1
FAN2
W83697HF
ALC650
SPDIF1
CD1
AUX1
FAN3
JCK1
AGP1
JCK2
DIMM1
DIMM2
DIMM3
CPU
LED1
USB3
(Optional)
(Optional)
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
VT8235
(Optional)
(Optional)
VT8377
J1
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
Connector Description Functions
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
WOL
(Optional)
(Optional)
1
BIOS
WOL
GAME1
FAN2
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
W83697HF
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
CD1
AUX1
ALC650
SPDIF1
FAN3
JCK1
AGP1
JCK2
DIMM2
DIMM3
CPU
DIMM1
LED1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
(Optional)
(Optional)
VT8377
J1
Connector
Description Functions
WOL Wake On LAN Reserved for a network interface card to wake the
system from power saving mode.
2-8
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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUX1
AUD1
ALC650
SPDIF1
VT6103
VIA KT400
(Optional)
(Optional)
CD1
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUX1
AUD1
ALC650
SPDIF1
VT6103
VIA KT400
(Optional)
(Optional)
AUX1
CD1 Connector (CD Audio -In)
W83697HF
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
1
CD1
1
FAN3
1
AGP1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
VT8235
(Optional)
(Optional)
1
BIOS
WOL
GAME1
1
FAN2
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
Connector
Description Functions
Pin 1: CD_In_Left
Pin 2: CD_Reference
1 4
Pin 3: CD_Reference
Pin 4: CD_In_Right
AUX1 Connector (Auxiliary Line-In)
W83697HF
1
CD1
1
FAN3
1
AGP1
1
BIOS
WOL
GAME1
1
FAN2
JCK1
JCK2
VT8377
J1
CPU
DIMM1
DIMM2
DIMM3
LED1
Connect CD-ROM (DVD) audio out
JCK1
JCK2
Connector
1 4
CPU
DIMM1
DIMM2
DIMM3
(Optional)
(Optional)
PCI3
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
PCI1PCI2
VT8377
VIA
J1
PCI4
1
PCI5PCI6
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
Description Functions
Pin 1: Lift Line_In
Connect other devices audio out
Pin 2: GND
Pin 3: GND
Pin 4: Right Line_In
2-9
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LED1
Trinity KT400 S2495 Chapter 2: Board Installation
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUX1
AUD1
ALC650
SPDIF1
VT6103
VIA KT400
(Optional)
(Optional)
AUD1
2110
2110
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUX1
AUD1
ALC650
SPDIF1
VT6103
VIA KT400
(Optional)
(Optional)
GAME1
AUD1 Connector
WOL
1
FAN2
1
USB3
(Optional)
SATA2
(Optional)
SATA1
FDD
LED2
1
CMOS
AUD1
.
9
9
GAME1 Connector
WOL
1
FAN2
W83697HF
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
1
CD1
1
1
FAN3
JCK1
AGP1
JCK2
PCI1PCI2PCI3PCI4PCI5PCI6
VT8377
VIA
VT8235
J1
CPU
DIMM1
DIMM2
DIMM3
LED1
1
BIOS
GAME1
SII3112
(Optional)
HPT372N
(Optional)
BAT1
Description
Jumper 5-6, 9-10 = Rear panel audio output (Default)
Jumper open = Front panel audio output (via an optional cable)
1
1
BIOS
GAME1
W83697HF
CD1
1
1
FAN3
JCK1
AGP1
JCK2
Connector Description
CPU
DIMM1
DIMM2
DIMM3
LED1
(Optional)
(Optional)
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
PCI1PCI2PCI3PCI4PCI5PCI6
VT8377
VIA
VT8235
J1
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
GAME1 Game port connector (via an optional cable)
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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
1111111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
2
6
S2495
1111111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
SPDIF1 Connector
SPDIF1
1
W83697HF
BIOS
WOL
GAME1
FAN2
ALC650
SPDIF1
CD1
AUX1
FAN3
JCK1
AGP1
JCK2
PCI3
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
PCI1PCI2
VIA
(Optional)
(Optional)
VT8377
J1
(Optional)
(Optional)
PCI4
PCI5PCI6
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
CPU
DIMM1
DIMM2
DIMM3
LED1
Connector Description Functions
1
Pin 1: VCC
Pin 3: Non
5
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)
SATA2
SATA1
(Optional)
(Optional)
1
W83697HF
BIOS
WOL
GAME1
FAN2
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
CD1
AUX1
ALC650
SPDIF1
FAN3
JCK1
AGP1
JCK2
DIMM1
DIMM2
DIMM3
CPU
LED1
PCI1PCI2PCI3PCI4PCI5PCI6
VIA
(Optional)
(Optional)
VT8377
J1
Connector
Description Functions
SATA1 Serial ATA connector Supports serial ATA devices
SATA2 Serial ATA connector Supports serial ATA devices
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Trinity KT400 S2495 Chapter 2: Board Installation
S2495
111
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
AUD1
VT6103
VIA KT400
RAID IDE1
RAID IDE1 / RAID IDE2 Connectors (Optional)
W83697HF
ALC650
SPDIF1
1
CD1
AUX1
1
FAN3
1
JCK1
AGP1
JCK2
1
BIOS
WOL
GAME1
1
FAN2
DIMM1
DIMM2
DIMM3
CPU
LED1
(Optional)
(Optional)
PCI3
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
VT8235
PCI1PCI2
VIA
(Optional)
(Optional)
VT8377
J1
PCI4
PCI5PCI6
1
USB3
SII3112
SATA2
(Optional)
SATA1
FDD
HPT372N
(Optional)
LED2
1
BAT1
CMOS
RAID IDE2
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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Trinity KT400 S2495 Chapter 2: Board Installation
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.
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Trinity KT400 S2495 Chapter 2: Board Installation
Registered DDR SDRAM
chips near the
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 T YAN’s web site at: www.tyan.com
The following diagram shows the types of RAM modules you may encounter depending on
your board:
DDR Unbuffered
Registered
memory has
extra buffer
bottom
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
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.
W942508BH -5 256MB
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Trinity KT400 S2495 Chapter 2: Board Installation
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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Trinity KT400 S2495 Chapter 2: Board Installation
2.8 – Installing the Processor and Heats ink
Your Trinity KT400 S2495 supports the latest processor technologies from AMD. Check the
following page on TYAN’s website for latest process or support:
http://www.tyan.com
The following diagrams will detail how to install your processor(s):
The diagram is provided as a visual guide to help you install socket processors and may not
be an exact representation of the processors you have.
1. Lift the lever on the socket until it is approximately 90o or as far back as
possible to the socket.
2. Align the processor with the socket. There are keyed pins underneath the processor
to ensure that the processor’s installed correctly.
3. Seat the processor firmly into the socket by gently pressing down until the processor
sits flush with the socket.
4. Place the socket lever back down until it locks into place.
5. Your processor is installed.
Take care when installing processors as they have very fragile connector pins below
the processor and can bend and break if inserted improperly.
Heatsink Installation
After you are done installing the processor(s), you should proceed to installing the heatsinks.
Heatsinks will ensure that the processors do not overheat and continue to operate at
maximum performance for as long as you own them. Overheated processors are also
dangerous to the health of the motherboard.
Because there are many different types of heatsinks available from many different
manufacturers, a lot of them have their own method of installation. For the safest method of
installation and information on choosing the appropriate heatsink, please refer to AMD’s
website at www.amd.com.
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Trinity KT400 S2495 Chapter 2: Board Installation
The following diagram will illust rate how to install the most common heatsinks:
First, use thermal compound
(also called heatsink compound
or thermal grease) and apply a
small amount on to the
processor’s core (applying too
much will actually reduce the
cooling) – the small shiny
square in the center of the
processor.
You may then use a small soft
plastic tool, like a credit card to
gently smear a thin layer of
heatsink compound as evenly
as you can across the core.
Because one side of the socket
is raised (and usually has
“SOCKET” imprinted into it)
heatsinks have an indent on one
side to secure flush with the
raised side of the socket.
Then clip one side of the
heatsink onto the socket and
then lay the heatsink flat onto
the processor. Then clip the
other end of the heatsink down
either with your finger or by
using a flathead screwdriver.
Be sure to carefully observe
which side your heatsink is
seated before securing it down
to avoid damaging the
processor, the heatsink or both.
This is will probably be the most
difficult portion of setting up your
computer so please exercise
caution. TYAN will not accept
responsibility and no warranty
will be given for damage due to
improperly installed heatsinsks.
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