MiTAC 5114VU Service manual

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5114VU
Motherboard Reference
Part Number : 5615 7026 0001 R00
(Jul. 2000)

2
Trademarks
All brand and product names are trademarks or registered trademarks of their
respective companies.
Note
The information in this guide is subject to change without notice.

3
Caution Texts Concerning Lithium Batteries
DANISH
ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske
med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til
leverandøren.
NORWEGIAN
ADVARSEL:
Eksplosjonsfare ved feilaktig skifte av batteri. Benytt samme batteritype eller en
tilsvarende type anbefalt av apparatfabrikanten. Brukte batterier kasseres i
henhold til fabrikantens instruksjoner.
SWEDISH
VARNING:
Explosionsfara vid felaktigt batteribyte. Använd samma batterityp eller en
ekvivalent typ som rekommenderas av apparattillverkaren. Kassera använt
batteri enligt fabrikantens instruktion.
FINNISH
VAROITUS:
Paristo voi räjätää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan
valmistajan suosittelemaan tyyppiin. Hävitä käytetty paristo valmistajan ohjeiden
mukaisesti.
ENGLISH
CAUTION:
Danger of explosion if battery is incorrectly replaced. Replace only with the same
or equivalent type recommended by the equipment manufacturer. Discard used
batteries according to manufacturer's instructions.
DEUTSCH
VORSICHT:
Explosionsgefahr bei unsachgemäßem Austausch der Batterie. Ersatz nur durch
denselben oder einen vom Hersteller empfohlenen gleich-wertigen Typ.
Entsorgung gebrauchter Batterien nach Angaben des Herstellers.
FRENCH
ATTENTION:
II y a danger d’explosion s’il y a remplacement incorrect de la batterie.
Remplacer uniquement avec une batterie du même type ou d’un type équivalent
recommandé par le constructeur. Mettre au rebut les batteries usagées
conformément aux instructions du fabricant.

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Class B Regulations
U. S. A.
Federal Communications Commission Radio Frequency Interference
Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
Warning:
Use only shielded cables to connect I/O devices to this equipment.
You are cautioned that changes or modifications not expressly approved by the
party responsible for compliance could void your authority to operate the
equipment.
Canada
Canadian Department Of Communications Radio Interference Regulations
Class B Compliance Notice
This digital apparatus does not exceed the Class B limits for radio noise
emissions from digital apparatus set out in the Radio Interference Regulations of
the Canadian Department of Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant
les limites applicables aux appareils numériques de la classe B prescrites dans
le Règlement sur le brouillage radioélectrique édicté par le ministère des
Communications du Canada.

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Important Safety Instructions
•Read all of these instructions.
•Follow all warnings and instructions marked on the product.
•Unplug this product from the wall outlet before installing an add-on card
inside this product.
•Do not use this product near water.
•Do not place this product on an unstable cart, stand, or table. The product
may fall, causing serious damage to the product.
•Slots and openings in the cabinet are provided for ventilation. To ensure
reliable operation of the product and to protect it from overheating, these
openings must not be blocked or covered. The openings should never be
blocked by placing the product on a bed, sofa, rug, or other similar surface.
This product should never be placed near or over a radiator or heat register.
This product should not be placed in a built-in installation unless proper
ventilation is provided.
•This product should be operated from the type of power source indicated on
the marking label. If you are not sure of the type of power available, consult
your dealer or local power company.
•This product is equipped with a 3-wire grounding-type plug, a plug having a
third (grounding) pin. This plug will only fit into a grounding-type power
outlet. This is a safety feature. If you are unable to insert the plug into the
outlet, contact your electrician to replace your obsolete outlet. Do not defeat
the purpose of the grounding-type plug. We recommend using the power
cord supplied with the product. However, if another type of power cord is
required, power cord H05VV-F should be used.
•Do not allow anything to rest on the power cord. Do not locate this product
where persons will walk on the cord.
•Except as explained elsewhere in this manual, do not attempt to service this
product yourself.
•Unplug this product from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
- When the power cord or plug is damaged or frayed.
- If liquid has been spilled into the product.
- If the product has been exposed to rain or water.
- If the product does not operate normally when the operating
instructions are followed.
- If the product has been dropped or the cabinet has been damaged.
- If the product exhibits a distinct change in performance, indicating a need
for service.

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Table of Contents
Preface ......................................................................................................9
Chapter 1 Introduction.......................................................................10
Features.......................................................................................10
Specifications...............................................................................10
CPU, Memory, and Main Components...................................10
Interfaces and Controllers.......................................................11
Chapter 2 System Components.........................................................12
Major Components.......................................................................12
Chapter 3 Connector and Jumper Definition...................................16
Connector Definitions...................................................................17
Internal Connectors.................................................................17
External Connectors ...............................................................17
Jumper Settings...........................................................................18
AMD K6 Jumper Settings........................................................18
Other Jumper Settings............................................................18
Chapter 4 CPU and Memory Installation.........................................19
CPU Installation ...........................................................................19
System Memory Installation.........................................................21
Chapter 5 The SETUP Program.......................................................23
Introduction ..................................................................................23
Starting SETUP.......................................................................23
Moving Around and Making Selections...................................24
Standard CMOS Features............................................................25
Advanced BIOS Features ............................................................26
Advanced Chipset Features.........................................................28
Integrated Peripherals..................................................................28
Power Management Setup...........................................................30
PnP/PCI Configurations ...............................................................31
PCI Health Status.........................................................................31
Load Fail-Safe / Optimized Defaults ............................................31
Set Supervisor Password/User Password ...................................32
Exiting Setup................................................................................32

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Appendix A Software Drivers and Utilities.........................................33
Installation Instructions for Windows 98......................................33
Audio Driver............................................................................33
Video Driver............................................................................33
Installation Instructions for Windows NT 4.0 ...............................34
Audio Driver............................................................................34
Video Driver............................................................................34

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List of Figures
Figure 2-1. Major Components of System Board.........................12
Figure 3-1. Connector and Jumper Locations..............................16
Figure 4-1. Inserting CPU ............................................................19
Figure 4-2. Installing CPU............................................................20
Figure 4-3. DIMM Socket Locations.............................................21
Figure 4-4. Installing DIMM Module.............................................22
List of Tables
Table 2-1. Major Components Description ..................................13
Table 3-1. Internal Connector Definition ......................................17
Table 3-2. External Connector Definition.....................................17
Table 3-3. CPU Jumper Settings .................................................18
Table 3-4. CMOS Jumper Settings..............................................18
Table 5-1. Keyboard Usage in the SETUP Program....................24

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Preface
This manual contains basic information necessary for both the end user and
service personnel. Although most of the information you need are contained in
this manual, we recommend you to contact an authorized dealer for service
purposes. Making personal alterations to the system can violate the effectivity of
your warranty.
This manual is divided into five chapters and one appendix.
•Chapter 1, Introduction, lists the specifications and features of the
motherboard.
•Chapter 2, System Components, describes the functions of the major
system components.
•Chapter 3, Connector and Jumper Definition, provides the jumper and
connector definitions.
•Chapter 4, CPU and Memory Installation, contains the CPU and memory
installation information.
•Chapter 5, The SETUP Program, explains how you can configure your
system by running the SETUP program.
•Appendix A,
Software Drivers and Utilities, describes how to install the
drivers and utilities supplies with your system.

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Chapter 1
Introduction
This chapter introduces the specifications and the features of the motherboard.
Features
•Socket 7
For AMD K6-2 / K6 III CPU
•Plug and Play support
For automatic resource assignment, your system is PnP version 1.01a
compliant.
•Audio subsystem
The audio subsystem allows you to easily record, play, and edit music and
voice.
•Video subsystem
The video subsystem allows you to easily play video CD, clip files and 3D
games.
•USB port support
The Universal Serial Bus standard gives you the benefits of having one
single interface for multiple interfaces when low-to-medium speed
peripherals are concerned.
•Power Management
Your system can reduce power consumption automatically while it is idle. It
also supports the Windows 98/Windows NT 5.0 power management
standard - ACPI (Advanced Configuration Power Interface).
Specifications
CPU, Memory, and Main Components
•CPU
AMD K6-2 / K6 III series CPU
•System Memory
Two 168-pin DIMM sockets to support 8/16/32/64/128/256MB SDRAM
memory modules, configurable up to 512MB

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•Cache
512KB cache memory
•ROM BIOS
2Mb flash EEPROM, supporting audio, video, security, setup, and power
management
Interfaces and Controllers
•VIA MVP4 chipset
The chipset consists of the VT82C8501 north bridge and the VT82C686A
PCI Super I/O Integrated Peripheral controller.
•Audio Controller
ESS ES1989 audio controller, compatible with Sound Blaster Pro and
Windows Sound System
•Video Controller
AGP controller (integrated in VT82C8501), supporting 2.0 AGP Interface and
64-bit graphics with video acceleration
•I/O Interfaces
The VT82C686A controller supports:
−
−−
−One standard/ECP/EPP parallel port (DB25-F)
−
−−
−One RS-232C serial port (DB9-M)
−
−−
−One PS/2 keyboard connector (6-pin mini-DIN)
−
−−
−One PS/2 mouse connector (6-pin mini-DIN)
−
−−
−One VGA port (DB15-F, 3-rows)
−
−−
−One game/MIDI port (DB15-F, 2-rows)
−
−−
−Two USB connectors on the rear panel
−
−−
−Three audio ports for Line-in/Mic-in/Line-out (jack)
−
−−
−Two PCI-IDE connectors for four IDE devices (jack)
−
−−
−One floppy disk drive connector (jack)
•Expansion Slots
Four PCI slots

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Chapter 2
System Components
This chapter introduces the components of the motherboard.
Major Components
Figure 2-1. Major Components of System Board
DIMM Sockets
Socket 7
U6
U5
U9
U1
U11
U4
TAG1
VT82C686A
ROM BIOS
ES1989
VT82C8501
TAG RAM
Cache
PCI Slots

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Reference Description Name
U1 The PCI audio drive controller features:
•16-bit stereo CODEC
•Mic-in, Line-in, Line-out support
•Multi-stream Direct Sound and Direct Sound 3D
acceleration
•AC-3 speaker virtualization
•S/PDIF output for DVD content
•Full legacy DOS game support
ESS
ES1989
U4 VT82C8501 North Bridge provides:
•Integrated advanced 2D/3D AGP graphics with setup
engine and DVD hardware acceleration
•100MHz front side / memory bus
•Advanced ECC memory controller supports up to
768MB PC100 SDRAM, virtual channel SDRAM,
EDO, FP
•Compatible with all Socket 7 processors
•Synchronous/Asynchronous AGP/PCI/memory
operation
•66/95/97/100MHz FSB capabilities
•492-pin BGA package
VT82C8501
North Bridge
U5 L2 Cache:
•512K
•64Kx64 synchronous pipeline static RAM
•128-pin TQFP package
(To be continued) Table 2-1. Major Components Description

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(Continued)
Reference Description Name
U9 VT82C686A PCI Super I/O Integrated Peripheral
Controller provides:
•PC98 Compliant PCI to ISA bridge
•IDE controller
•Power management controller
•DMA33 / ATA-66 controller
•Interrupt controller
•82C54 based timer
•Real time clock
•SMBus
•USB controller
•Direct-Sound AC97 Link Compatible Sound
•Integrated Super I/O: FDC, serial interface, parallel
interface
•Voltage, temperature, and fan speed hardware
monitoring
•352-pin BGA package
VT82C686A
Super South
Bridge
U11 System ROM:
•ACPI enabled
•256Kx8 flash ROM for system BIOS, VGA BIOS,
Plug
& Play configuration tables, and power management
•Dynamic detect flash type
•Applies different code before flashing
Award
DIMM 1~2 DIMM sockets:
•64
-bit data bus
•Two 168-pin 3.3V unbuffered DIMM sockets
•Supports PC100 SDRAM module (SPD rev 1)
•8, 16, 32, 64, 128 and 256MB DIMMs supported
DIMM
(To be continued) Table 2-1. Major Components Description

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(Continued)
Reference Description Name
Socket 7 AMD K6 processor features:
•Advanced 6 issue RISC86 superscalar
microarchitecture
- ten parallel specialized execution units
- multiple x86 to RISC86 instruction decoders
- advanced two-level branch prediction
- speculative execution
- out of order execution
- register renaming and data forwarding
- issues up to six RISC86 instructions per clock
•Large on-chip split 64K Level-one (L1) cache
- 32K instruction cache with additional 20K of
predecode cache
- 32K writeback dual-ported data cache
- MESI protocol support
•High-performance IEEE 754-compatible and 854-
compatible floating-point unit
•High-performance industry-standard MMX
instructions
•AMD-3D technology
CPU
Table 2-1. Major Components Description

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Chapter 3
Connector and Jumper
Definition
This chapter defines the connectors and jumpers on the motherboard.
Figure 3-1. Connector and Jumper Locations
JP3
BAT1
CD1 GAME1
MIC-in
L
i
ne-
i
n
Line-out
VGA1 COM1
FAN1
PJ1
JP6
JP7
JP12
JP8
JP13
FAN2
J2
JP9
JP14
JP11
JP10
CN1
JP15
DIMM1
IDE1
IDE2 FDD1
DIMM2
JP4
JP5
USB1 PS1
PCI1 PCI2 PCI3 PCI4

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Connector Definitions
Internal Connectors
Connector Definition
J2 pin 3-4
pin 5-6
pin 11-13
pin 15-16
pin 19-20
Sleep LED
HDD LED
Power LED
Power button
Reset
BAT1 Battery
CN1 Power supply
DIMM 1~2 DIMM sockets
FAN1 CPU fan
FDD1 FDD
IDE1, IDE2 IDE
PCI 1~4 PCI slots
Socket 7 CPU socket
Table 3-1. Internal Connector Definition
External Connectors
Connector Definition
CD1 CD IN
COM1 COM1
GAME1 Game/MIDI
Mic-in / Line-in / Line-out
PJ1 PIO port
PS1 PS/2 keyboard/mouse
USB1 USB (rear)
VGA1 VGA
Table 3-2. External Connector Definition

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Jumper Settings
NOTE: Jumpers not described in this chapter are reserved for factory
use only. Do not change the default settings.
AMD K6 Jumper Settings
JP
CPU JP4 JP5 JP6 JP7 JP8 JP9 JP10 JP11 JP12 JP13 JP14 JP15
K6-2/K6 III
400 (2.2V) close open close open close open open open close close close open
K6-2/K6 III
400 (2.4V) close open close open open close open open close close close open
K6-2/K6 III
450 (2.2V) close close close open close open open open close close close open
K6-2/K6 III
450 (2.4V) close close close open open close open open close close close open
K6-2
475 (2.2V) open close close open close open open open open close close open
K6-2
475 (2.4V) open close close open open close open open open close close open
K6-2
500 (2.2V) open close close open close open open open close close close open
K6-2
533 (2.2V) open open close open close open open open open open close open
K6-2
550 (2.2V) open open close open close open open open close close close open
Table 3-3. CPU Jumper Settings
Other Jumper Settings
Jumper Definition Setting
JP3 CMOS setting 1-2: Normal
2-3: Clear CMOS *
* To clear the RTC and CMOS RAM, set JP3 to 2-3 for one
second, and set it back to 1-2 again.
Table 3-4. CMOS Jumper Settings

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Chapter 4
CPU and Memory Installation
NOTE: To avoid damage during installation, you are advised to ask your
dealer for help.
NOTE: Static electricity can destroy electronic devices. Whenever you
handle any option outside of its protective packaging, first discharge any
static electricity from your body by touching a protective grounding
device or unpainted metal on the rear panel of the system unit.
CPU Installation
To install CPU in the CPU socket:
1. Find Socket 7 (U6) on the motherboard. (See p.12.)
2. Lift the socket arm up to the vertical position.
3. Align the CPU so its Pin 1 corner (beveled corner) is at the Pin 1 corner of
the socket. Then insert the CPU's pins into the corresponding holes in the
socket.
Figure 4-1. Inserting CPU
NOTE:
You are suggested to install a cooling fan to cool the CPU.

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4. Press the arm downwards to the horizontal position. You will feel some
resistance while doing so. This is normal as the pressure starts to secure the
CPU in place.
Figure 4-2. Installing CPU