TYAN Trinity ATX Motherboard Tyan S1598 User manual

Tyan S1598
Trinity ATX
Motherboard User’s Manual
Revision 1.00
Copyright © Tyan Computer Corporation, 1999. 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 propery of their respective companies including, but not limited to the
following.
AwardBIOS is a trademark of Award Software Inc.
Windows is a trademark of Microsoft Corporation.
IBM, PC, AT, PS/2 are trademarks of IBM Corporation.
INTEL, Pentium, Pentium MMX are trademarks of Intel Corporation.
S1598 Trinity ATX is a trademark of TYAN Computer Corporation.
Information contained in this publication has been carefully checked for accuracy and
reliability. In no event will Tyan Computer 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 manual. The information
contained in this document is subject to change without notice.
PRINTEDINUSA

TableofContents
1.Introduction.....................................................................................................4
Overview..................................................................................................... 4
Icons............................................................................................................5
Hardware Specifications/Features.......................................................... 5
Software Specifications............................................................................ 7
TechnicalSupport......................................................................................7
ReturningMerchandiseforService........................................................8
2.BoardInstallation.......................................................................................... 9
Unpacking...................................................................................................9
Precautions.................................................................................................9
InstallationSteps.......................................................................................10
WhatisaJumper?..................................................................................... 11
MapofMotherboardJumpers.................................................................12
PictureofMotherboardFeatures............................................................13
SettingJumpers..........................................................................................14
Mountingthe Motherboardinthe Chassis...........................................16
InstallingMemory......................................................................................17
InstallingCPUandCoolingFan..............................................................20
ConnectingIDEandFloppyDrives........................................................22
Connecting thePower Supply................................................................. 23
InstallingAdd-onCards...........................................................................24
Connecting PS/2,USB,Serial& ParallelDevices................................. 25
FrequentlyAskedQuestions...................................................................26
3.BIOSConfiguration......................................................................................30
IntroductiontoSetup................................................................................30
MainSetupMenu......................................................................................33
StandardCMOSSetup..............................................................................35
BIOSFeaturesSetup.................................................................................38
ChipsetFeaturesSetup.............................................................................43
Power ManagementSetup....................................................................... 46
PnP/PCISetup............................................................................................51
IntegratedPeripherals...............................................................................54
UserPassword........................................................................................... 57
FlashWriterUtility.....................................................................................57
4.SystemResources......................................................................................... 60
POSTMessages........................................................................................ 60
Appendix1-Glossary........................................................................................64
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4
Chapter 1
Introduction
Overview
The S1598TrinityATX is a quality, high performance mainboard designed for
Socket7 microprocessors.Thismainboard utilizestheVIA MVP3 100MHz
AGPset and host bus speeds of 66MHz to 100MHz. For CPU speed support,
please refer to the CPU Compatibility Chart inTyan’s website
(http://www.tyan.com/support/html/socket_7_compatibility.html). TheTrinity
ATX also has 100MHz Front Side Bus support, which allows you to take full
advantageof 100MHzSDRAMmemory modules.
The S1598 mainboard, with built-in AGP slot, provides high performance
capabilities that are ideal for a wide range of demanding applications such as
CAD, CAM, CAE, desktop publishing, 3D animation, and video production.
This system board achieves high reliability with numerous features and yet is
small enough to be supported in anATX form factor. Some of the features
included are onboard dual channel PCI PIO, Bus Master IDE and UltraDMA/
66, onboard floppy controller, and onboard high speed I/O. Flexibility and
expandability have been designed into the Trinity ATX. With I/O and drive
controller support built onboard, the one AGP slot, five PCI and two ISA slots
(one shared, seven usable) are free for numerous add-on expansion cards.
Remember to take a look atTYAN Computer’s web site located at
chapter 1
Introduction

S1598 TrinityATX
5
http://www.tyan.com.There you can find information on all of TYAN’s
products along with FAQs, distributors list, drivers, and BIOS setting explana-
tions.
Icons
In order to help you navigate this manual and set up your system, we have
added several icons to our format.
This icon alerts you to particularly important details regarding the
setup or maintenance of your system. This icon often appears next
to information that may keep you from damaging your board or
system. While we will often point out the most vital paragraphs in a
chapter, you should always read every word in the text. Failing to do so can
lead to exasperation and expense.
Wherever possible, we have included step-by-step instructions for
setting up your system, which are indicated by this icon. However, it
is in your best interest to read an entire section (and perhaps the
entire manual) before you begin to fiddle with your motherboard.
While we have alerted you to potential dangers in several places in
the manual with this icon, these warnings should not be regarded as
the whole of your safety regimen. Never forget that computers are
electrical devices, and are capable of delivering a shock. Prevent
damage to yourself and to your board: always ensure that your system is
turned off and unplugged whenever you are working with it, and that you are
equipped with a static safety device.
HardwareSpecifications/Features
ProcessorInformation*•IntelPentium/Pentium MMX
•AMD/K6/K6-2/K6-3
•Cyrix/6x86MX/MII
•IDTC6/C6+
•Front Side Bus support for 66 /75 /83 /95 /100MHz
•IntegratedVRM
•Supports CoreVoltage settings 1.3 - 3.5V
•SupportsClock Multiplier 2.5-5.5
!!
!!
!
important!
procedure
1.
2.
3.
warning
INTRO

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6
Chapter 1
Introduction
OnBoardCache •On board Pipeline Burst SRAM 1MB
•512Kor 2MB(manufacturingoption)
ChipsetInformation •VIAMVP3100MHzmemory&AGP
controller(VT82C598AT)
•VIAVT82C686SuperI/Ocontroller
BIOSInformation •Award BIOS on 2MB flash RAM
•Plug and Play
•APM1.2/ACPI 1.0 /PC98compliant
•IDE drive auto configure
•Soft power-down
•Multiple boot options
•DMI2.0compliant
•Hardwaremonitoring ofCPUvoltage, temperature,
and Fan status
SystemMemory •Supports 8MB to 768MB
•Three 3.3V unbuffered 168-pin DIMM sockets.
•Maximumrated memory busspeed100MHz
•SupportsEDO, SDRAM, Parity,and ECC (ECConly
with Parity memory)
ExpansionSlots •OneAGPSlot (supports 66/133MHz speeds)
•Five 32-bit PCI 2.1 Bus Master slots.
•Two 16-bit ISAslots.
•One shared, seven usable slots total.
•All slots support full length add-on cards
OnBoardPCIIDE •Two 40-pin IDE connectors for up to 4 drives
•PIO Mode 3 / 4, UltraDMA33/66 supported
•ATAPI IDECD-ROMandLS-120 supported
OnBoardI/O •One Floppyport (1.44MB,2.88MB, 3-mode)
•Two9-pin16550 UARTSerial ports
•One25-pinECP / EPP Parallelport
•One Fast IR TX / RX header
•Two USB (0,1)rev1.2ports
•Two USB (2,3) rev 1.2 ports via cable (optional)
•PS/2 Mouse and Keyboard ports

S1598 TrinityATX
7
INTRO
OnBoardAudio(ManufacturingOption)
•VIAVT82C686digitallinkaudio
•AC-97 Codec on board
•OneMIDI / Gameport
•Line-in MIC-in and Line-out ports
•4-pinCD-ROM audio(ATAPI)header
•4-pinVideo-in (ATAPI)header
OtherFeatures •3-pin Wake on LAN header*
•3-pinWake on Ring
•Two 3-pin Fan speed monitoring support
FormFactor •ATXdesign (8.3” x12.0”)
•4Layer board
•20-pinATX power connector
•Stacked (double row) I/O connectors
* Requires ATX 2.01 power supply
Software Specifications
OS •Operates withWindows 95,Windows 98,
WindowsNT4.0,OS/2v4.0, Novell Netwarev5.0,
andSCOUnixv5.05
TechnicalSupport
If a problem arises with your system, you should turn to your dealer for help
first. Your system has most likely been configured by them, and they should
have the best idea of what hardware and software your system contains.
Hence, they should be of the most assistance. Further, if you purchased your
system from a dealer near to you, you can actually bring your system in to
them to have it serviced, instead of attempting to do so yourself (which can
have expensive consequences).

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8
Chapter 1
Introduction
Helpresources:
1. See FAQ and beep codes sections of this manual.
2. See Tyan web site for FAQ, bulletins, driver updates, etc.
http://www.tyan.com
3. Contact your dealer or distributor for help BEFORE callingTyan.
4. EmailTyan tech support: [email protected]
5. Call Tyan tech support: 510-440-8808
ReturningMerchandiseforService
During the warranty period, contact your distributor or system vendor FIRST
for any product problems. This warranty only covers normal customer use and
does not cover damages incurred during shipping or failure due to the
alteration, misuse, abuse, or improper maintenance of products.
ForResellers Only:
A receipt or copy of your invoice marked with the date of purchase is required
before any warranty service can be rendered. You can obtain service by calling
the manufacturer for a Return MerchandiseAuthorization (RMA) number.The
RMA number should be prominently displayed on the outside of the shipping
carton and the package should be mailed prepaid, or hand-carried to the
manufacturer. TYAN will pay to have the board shipped back to you.

S1598 TrinityATX
9
chapter 2
Board Installation
Unpacking
The mainboard package should contain the following:
(1) S1598mainboard
(1) 40-pin IDE and 34-pin floppy cable pack
(1) S1598User’sManual
(1) DriverCD
Precautions
What’sthefirst thingIshoulddo?
The first thing you should do is read this user’s manual. It contains important
information which will make configuration and setup much easier.
Here are some precautions you should follow when installing your mother-
board: (1) Groundyourselfproperlybeforeremovingyourmotherboard
fromtheantistaticbag. Unplug the power from your computer
INSTALL

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10
procedure
1.
2.
3.
Chapter 2
Board Installation
!!
!!
!
important!
and then touch any metal part on the computer case. (Or wear a
grounded wrist strap.)
(2) Holdthemotherboardbyitsedgesanddonottouchthebottomof
theboard.
(3) Avoidtouchingmotherboardcomponents,ICchips,connectors,
andleads.
(4) Avoidtouchingpinsofmemorymodulesandchips.
(5) Placemotherboardonagroundedantistaticsurfaceoronthe
antistaticbag.
Having reviewed the precautions above, the next step is to take the mother-
board out of the cardboard box and static bag, hold it by its edges, and place it
on a grounded antistatic surface, component side up. Inspect the board for
damage.
DONOTAPPLYPOWERTOTHEBOARDIFITHASBEENDAMAGED!
Press down on any of the socket ICs if it appears that they are not properly
seated (the board should still be on an antistatic mat). Do not touch the
bottom of the board. Remember, don’t take any electronic device out of its
protective bag until you are ready to actually install it into the computer case.
If you do not ground yourself, you risk zapping the motherboard or adapter
card. Subsequent problems may not arise immediately because electrostatic
discharge damage, unlike physical damage, causes the device to fail over time.
*PowerSupplyRequirement: IfyouuseanATXPowerSupply, itshouldbe
2.01compliant. Standbycurrentmustbe750mAorhigher(SB5V= 0.75A)
Installation Steps
You are now ready to install your mainboard. The mounting hole pattern of the
S1598 matches the ATX system board specifications. Your chassis should
have standard ATX mainboard form factor mounting holes and an ATX power
supply.
1. Set Jumpers
2. Mount Motherboard in Chassis
3.Install Memory
4.Install CPU&Cooling Fan
5. Connect IDE and Floppy Drives
warning

S1598 TrinityATX
11
INSTALL
6. Connect Power Supply
7. Install Add-on Cards
8.Connect PS/2,USB,Serialand ParallelDevices
What is a Jumper?
In this manual, the terms “closed” and “on” are used when referring to jumpers
(or jumper pins) that are active; “open” and “off” are used when referring to
jumpers (or jumper pins) that are inactive. See theFigure 2-1 for examples of
“on” and “off” pins and jumpers. The square pin in the diagram is Pin 1.
Jumpers and pins are connected by slipping the blue plastic jumper connector
overtop of two adjacent jumper pins (indicated by 1-2 or 2-3). The metal rod
inside the plastic shell bridges the gap between the two pins, completing the
circuit. See Figure2-2 for more examples of pin connections.
Thetables andmapson the followingpageswill helpyouset the jumpersforCPU
speed, Infrared, and external connector pin assignments, among others. The
miniature motherboard maps will help you locate the jumpers on your board. A
full-page map of the motherboard can be found on the next two pages.
2pinjumpers
off on
3(ormore)pinjumpers
1-2 2-3 open
1
2
3
1
2
3
1
2
3
Figure2-1 Figure 2-2

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12
Chapter 2
Board Installation
The tiny number “1”s next to jumpers of 3 pins or more indicate the position of
pin 1 for that jumper.
Map of Motherboard Jumpers
PCIslot 2
PCIslot 3
AGPport
PCIslot 4
PCIslot 1
3 volt
lithium
battery
VIA MVP3
chipset
VIA MVP3
chipset
ISA slot 2
ISA slot 1
PCIslot 5
Secondary IDE connector
Primary IDE connector
Floppy drive connector
DIMM bank 2
DIMM bank 3
DIMM bank 1
ATX power connector
Award BIOS
Socket 7
Kbrd
Mouse
USB
Com 1
Com 2
Parallel
Line in
Joystick
Speaker
Mic in
(Audio optional)
J4
Fan2
JP13
Fan1
JP8 JP9
JP10 JP11 JP12
JP4 JP5 JP6 JP7 JP1 JP2 JP3
CD In 1
1
Video 1
1
J3
1
USB3
USB2 1
J5
1
WOL
WOR

S1598 TrinityATX
13
INSTALL
Picture of Motherboard Features
3 DIMM slots
Award BIOS
AGP port
2 ISA slots
5 PCI slots
VIA MVP3
ZIF Socket 7
PS/2 mouse
ATX power
connector
PS/2
Keyboard
CPU
temperature
sensor
1MB L2
cache
USB
header

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14
**Default Setting(2.2V)
The CPU speed is controlled by setting the bus speed and the multiplier with
the jumpers described above that are appropriate for your CPU and memory.
You must have a 100MHz processorAND PC/100 memory to run at a bus
speed of 100MHz.Tyan does not recommend operating CPUs, memory or PCI
bus at higher than rated speed. Tyan takes no responsibility for any problems
related to overclocking any bus or component on the system board.
Chapter 2
Board Installation
deepSsuB4PJ5PJ6PJ
zHM06
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zHM66
2-13-23-2
zHM57
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!!
!!
!
important!
1-A. CPU Bus Speed Settings 1-B. CPU Clock Multiplier
1-C. CPUCoreVoltage Settings
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1. Setting Jumpers

S1598 TrinityATX
15
INSTALL
1-F.MemoryClock
The memory clock can be set to run at the CPU
clock speed or to the AGP bus speed (normally
66MHz). The benefit of this setting is that you can
run the CPU bus at 100MHz with only 66MHz
memory by setting the memory clock jumper to
AGP.
HardwareCMOS&PasswordReset
If you have been locked out of
your system because you forgot
your password or set the CMOS
incorrectly, follow the instruc-
tions below.
1. Power off the system
2. Set jumper JP13 to pins 2 and 3
3. Wait for 2 seconds, then return
jumper JP13 to pins 1 and 2.
4. Power on the system again.
By following this procedure, you
will erase your password and
reset the CMOS to the BIOS
defaults.
1-D. J3External PinAssignments
SOMC31PJ
tluafeD 2-1
SOMCteseR 3-2
VCC 1 2 Power LED
LED 3 4 Ground
Ground 5 6 Power On/Off
Switch 7 8 Ground
VCC 9 10 Ground
Receive 11 12 K/B Lock
IRRX 13 14 Ground
Ground 15 16 SMI Switch
IRTX 17 18 Ground
HDD
LED
Reset
Switch
Infrared
Pwr/Slp
LEDs
Power
Switch
SMI
Switch
J3 SideView
Pin1
Pin17
Pin2
Pin18
12 3
2NAF,1NAF DNGV21+rotinoMnaF
1-E. FANPinAssignments
JP8 - JP12
JP1 - JP7
J3, J4
FAN1
FAN2,
JP13
kcolCyromeM7PJ
kcolCUPC 2-1
kcolCPGA 3-2

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Chapter 2
Board Installation
ACPIBi-ColorLEDConnector(J5)
This connector provides a bi-color (green / yellow) LED for your computer
chassis. When the computer system is On, the Green LED will light up. If the
system is on stand-by mode, theYellow LED will light up. Whenever there is
an incoming message, the LED will flash on and off.
SoftPowerConnector
The Soft Power Connector is located on pins 6 and 8 of jumper block J3.
Pressing the Soft Power Button will turn the sytem on and off. Holding this
button for more than four seconds (when the system is on) will power down
the system. Pressing it again will reboot the system.
SpeakerConnectorInstallation
The Trinity ATX provides a 4-pin header to connect the speaker. The speaker
is connected to jumper block J4.
CMOSRTC
TheVIAMVP3AGPset includesaRealTimeClock (RTC) circuit,which
provides the date and time for the system. If the external battery for the RTC is
low, you will lose your BIOS settings. Normally the life span of an external
battery is 2 years. If yours is running low, you will need to replace it with a new
3Vlithiumbattery(SonyCR2032).
USB
There are twoATX Universal Serial Bus ports on the back of the board. The
board also has an additional USB header (USB2, USB3) on the edge of the
board near the third PCI slot. This header can be used to connect a USB port
on the front of the chassis.
FlashEEPROM
The TrinityATX uses flash memory to store BIOS programs. It can be easily
updated if necessary using the flash utility (see page 57). Tyan does not
recommend flashing the BIOS unnecessarily. Check the Tyan web site for the
latest BIOS revision.
2. Mounting the Motherboard in the Chassis
Follow the instructions provided by the case manufacturer for proper installa-
tion guidelines. TYAN recommends that you use only one screw to hold down
the motherboard. The rest of the mounting holes should be used for the plastic
standoffs. If your case does not have a hole for a standoff, simply cut off the

S1598 TrinityATX
17
INSTALL
bottom of the plastic standoff so that the flat portion rests on the metal. The
adapter cards and the screws holding them down will keep your board flat. The
fastening screw should not short any of the traces on the motherboard. Make
certain that you do not overtighten the screw, as it will damage the mother-
board and possibly break internal traces in the surrounding area. The hole you
should use is located at the top-center of the board where the adapter cards
are fastened to the case.
3. Installing Memory
SinceTYAN boards are manufactured with performance in mind, you should
use add-in components that match. Some DIMM modules may seem to be high
quality because of name or feel but that does not guarantee real-world
usability. Some cheaper or OEM memory may have brand-name components,
but they may contain inferior or substandard parts which do not meet the
critical tolerances our products require. Because of this, your memory may not
work correctly in aTYAN board though it may work well in a competitor’s
board. This is because many of our competitors do not adhere to the strict
tolerances required for high performance. If you buy a TYAN board, you are
getting the best system available. To make installation easy and trouble free,
get high quality parts. Some brands we recommend are Corsair Microsystems,
Kingston Memory, and QesTec Incorporated. These DIMMs have proven to
be very stable on our boards and perform extremely well. For a list of recom-
mended memory vendors, please visit Tyan’s website at www.tyan.com (go to
the Memory Support area in the Support section).
Thistable listssome
ofthepossiblememory
configurations.Notall
possibleconfigurations
arelisted.
Note: ThisboarddoesNOT
supportRegisteredDIMMs.
Checkwithyourmemory
dealerformoreinformation.
knaBMMID 1knaBMMID 2knaBMMID 3latoT
1xBM800BM8
1xBM81xBM80BM61
1xBM81xBM81xBM8BM42
1xBM611xBM81xBM8BM23
1xBM611xBM611xBM61BM84
1xBM231xBM611xBM61BM46
1xBM231xBM231xBM8BM27
1xBM461xBM231xBM23BM821
1xBM461xBM461xBM23BM061
1xBM461xBM461xBM46BM291
1xBM8211xBM461xBM46BM652
1xBM8211xBM8211xBM46BM023
1xBM8211xBM8211xBM821BM483
1xBM6521xBM6521xBM652BM867
!!
!!
!
important!

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Chapter 2
Board Installation
To install your DIMMs, line your module up so that the pins fit into the slot.
There is only one way that your DIMM can fit properly. Make sure that the
short row of pins is lined up with the short gap in the DIMM slot. Figure 2-3
above shows how to sit the DIMM into its slot. To insert the DIMM, push
down vertically on the module with even force, as shown in the photo. Do not
shove one end in first; doing so will bend the DIMM pins.
To lock the DIMM into place, push the plastic clips on either end of the slot
onto the notches in the ends of the DIMM (see Figure 2-4 on the next page).
To remove your DIMM, simply pull the clips back, and pull up on the module.
Place the DIMMs in an anti-static bag as soon as you remove them to avoid
static damage.
TheTrinity 100ATuses a 64-bit data path from memory to CPU and can
accommodateup to384MBof SDRAM.The168-pin DIMMs (DualIn-line
Memory Modules) must be of the 3.3V, unbufferedvariety. The position of the
notch in the SDRAM key position will tell you whether or not a DIMM is
unbuffered (see Figure 2-5 below). All installed memory will be automatically
detected, so there is no need to set any jumpers.
Figure2-3
*The image above is used to illustrate a concept and may not represent the actual image of
your motherboard.

S1598 TrinityATX
19
INSTALL
*The image above is used to illustrate a concept and may not represent the actual image of
your motherboard.
Somedetails ofmemoryinstallation:
• Themainboard supports32MB,64MB, 128MBSDRAMmodules.
• PC-100 DIMMs are required if CPU bus speed is at 100MHz
• SDRAM, Parity, and ECC (using Parity memory) memory is supported.
CacheMemory
The TrinityATX has 1MB (or 2MB) of onboard pipeline burst SRAM. This
SRAM cannot be upgraded.
Figure2-4
RFUBuffered
Unbuffered 168-pin DIMM
Figure 2-5

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Chapter 2
Board Installation
4. Installing the CPU and Cooling Fan
Socket 7 processors (see Specifications
on page 5) can be used on the Trinity
ATX.Please refer topage14for the cor-
rectCPU jumpersettingsfor your CPU.
Remember:
• The CPU is a sensitive electronic
component and it can easily be
damaged by static electricity. Do
not touch the CPU pins with your
fingers.
• Before the CPU is installed, the
mainboard must be placed on a flat
surface. You should be able to insert
theCPUwithminimal,butfirm,
pressure. Do not press down hard on the
CPU.
In Figure 2-6, you can see the CPU and the
ZIF socket. Notice that the arm of the ZIF
socket is up. When this arm is up, the CPU
is unlocked from the socket and allows
you to remove or install a CPU.As the ZIF
socket is keyed to the processor that you
are using, you will only be able to install
the CPU one way, thus eliminating the
chance for error. Pin 1 on the CPU is
denoted by a small dot on one of the corners and Pin 1 on the ZIF socket is
denoted by an angled corner. Never force a CPU into a socket. Forcing a CPU
to seat will bend the pins on the CPU and possibly damage the motherboard.
Check with your vendor or manufacturer for proper voltage selection.
Push down lightly on the CPU, and lower the arm on the ZIF socket to secure
the CPU.Asqueaking noise is normal as the arm lowers.After the CPU is
securely seated, install the appropriate cooling device (Figure 2-7). Tyan
strongly recomends a heatsink/fan combination. Consult with your case
manufacturer for other cooling options.
!!
!!
!
important!
Figure2-7
Figure2-6