MiTAC 8575A Manual de usuario

SERVICE MANUAL FOR

8575A

8575A8575A

8575A

SERVICE MANUAL FOR

8575A

8575A8575A

8575A

8575A8575A

8575A

TESTING TECHNOLOGY DEPARTMENT / TSSC

Aug . 2002

BY: Sissel Diao

Sissel Diao

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Contents

1. Hardware Engineering Specification …………………………………………………………………

Introduction ………………………………………………………………………………………………………….

1.2 System Hardware Parts …………………………………………………………………………………………….

1.3 Other Functions ……………………………………………………………………………………………………..

1.4 Peripheral Components ……………………………………………………………………………………………..

1.5 Power Management …………………………………………………………………………………………………

1.6 Appendix 1: SiS961 GPIO Definitions ……………………………………………………………………………..

1.7 Appendix 2: H8 Pins Definitions ……………………………………………………………………………………

2. System View and Disassembly ………………………………………………………………………...

2.1 System View ………………………………………………………………………………………………………….

2.2 System Disassembly …………………………………………………………………………………………………

3. Definition & Location of Connectors / Switches ……………………………………………………..

Mother Board ………………………………………………………………………………………………………..

3.2 DC Power Board …………………………………………………………………………………………………….

3.3 ESB Board …………………………………………………………………………………………………………...

3.4 Touch-pad ……………………………………………………………………………………………………………

3.5 Daughter Board ……………………………………………………………………………………………………..

1.1

3.1

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4. Definition & Location of Major Component …………………………………………………………

Mother Board ………………………………………………………………………………………………………..

5. Pin Description of Major Component ………………………………………………………………...

Intel Pentium 4 Processor mPGA478 Socket ……………………………………………………………………...

5.2 SiS650 IGUI Host / Memory Controller …………………………………………………………………………...

5.3 SiS691 MuTIOL Media I/O Controller ……………………………………………………………………………

5.4 SiS301LV / Chrontel CH7019 TV/LVDS Encoder ………………………………………………………………..

5.5 PCI1410GGU PCMCIA Controller ………………………………………………………………………………..

5.6 uPD72872 IEEE1394 Controller ……………………………………………………………………………………

6. System Block Diagram …………………………………………………………………………………

7. Maintenance Diagnostics ………………………………………………………………………………

7.1 Introduction ………………………………………………………………………………………………………….

7.2 Error Codes ………………………………………………………………………………………………………….

7.3 Maintenance Diagnostics ……………………………………………………………………………………………

8. Trouble Shooting ……………………………………………………………………………………….

No Power ……………………………………………………………………………………………………………..

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4.1

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8.2 No Display ……………………………………………………………………………………………………………

8.3 VGA Controller Failure LCD No Display …………………………………………………………………………

8.4 External Monitor No Display ………………………………………………………………………………………

8.5 Memory Test Error …………………………………………………………………………………………………

8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error …………………………………………………………………….

8.7 Hard Disk Drive Test Error ………………………………………………………………………………………..

8.8 CD-ROM Driver Test Error ………………………………………………………………………………………..

8.9 USB Test Error ………………………………………………………………………………………………………

8.10 PIO Port Test Error ……………………………………………………………………………………………….

8.11 Audio Failure ………………………………………………………………………………………………………

8.12 LAN Test Error ……………………………………………………………………………………………………

8.13 PC Card Socket Failure ……………………………………………………………………………………………

8.14 IEEE 1394 Failure …………………………………………………………………………………………………

9. Spare Parts List ………………………………………………………………………………………..

10. System Exploded Views ………………………………………………………………………………

11. Circuit Diagram ………………………………………………………………………………………

12. Reference Material ……………………………………………………………………………………

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1. Hardware Engineering Specification

1.1 Introduction

The 8575A motherboard would support the Intel® Pentium® 4 processor with FC-PGA2 packaged, using

478-Pin micro PGA (mPGA478) socket, which will supports different speeds up to Willamette P4 1.7GHz

(Throttling)/Northwood above 2.0GHz (Throttling).

The memory subsystem supports 0MB on board memory, two JEDEC-standard 200-pin, small-outline, dual

in-line memory module (SODIMM), support PC2100 & PC2700.

This system is based on PCI architecture, which have standard hardware peripheral interface. The power

management complies with Advanced Configuration and Power Interface (ACPI) 1.0. It also provides easy

configuration through CMOS setup, which is built in system BIOS software and can be pop-up by pressing

F2 at system start up or warm reset. System also provides icon LEDs to display system status, such as power

indicator, HDD/CDROM, NUM LOCK, CAP LOCK, SCROLL LOCK, SUSPEND MODE and Battery

charging status. It also equipped 2 USB ports.

SiS650 IGUI Host Memory Controller integrates a high performance host interface for Intel Pentium 4

processor, a high performance 2D/3D Graphic Engine, a high performance memory controller, an AGP 4X

interface, and SiS MuTIOL® Technology connecting w/ SiS961 MuTIOL® Media I/O.

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The SiS961 MuTIOL® Media I/O integrates the Audio Controller with AC 97 Interface, the Ethernet MAC,

the Dual Universal Serial Bus Host Controllers, the IDE Master/Slave controllers, and the MuTIOL® Connect

to PCI bridge. The PCI to LPC bridge, I/O Advanced Programmable Interrupt Controller, legacy system I/O,

I/O Advanced Programmable Interrupt Controller and legacy power management functionalities are also

integrated. The SiS961 also incorporates an universal interface supporting the asynchronous inputs/outputs of

the X86 compatible microprocessors like P4.

The SiS301LV is a Display device which has two data operation paths. Channel B path is selected when

SiS301LV performs TV or LCD only display function. There’s scaling hardware in this path. In LCD display

mode, this hardware can make lower VGA resolution display to fit up to 1280x1024 LCD panel. In TV display

mode, this scaler can provide overscan and underscan option for TV. At TV and LCD simultaneous display

mode, TV data stream run through Channel B and LCD data stream run through Channel A.

To provide for the increasing number of multimedia applications, the AC97 CODEC ALC201 is integrated

onto the motherboard.

A full set of software drivers and utilities are available to allow advanced operating systems such as Windows

Me and Windows 2000 to take full advantage of the hardware capabilities such as bus mastering IDE, Windows

95-ready Plug & Play, Advanced Power Management (APM) and Advance configuration and power interface

(ACPI).

Following chapters will have more detail description for each individual sub-systems and functions.

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1.2 System Hardware Parts

CPU Mobile Intel® Pentium® 4 Processor – M Built on 0.13-micron process Available speeds

1.80GHz, 1.70GHz, 1.60GHz, 1.50GHz, 1.40GHz

Intel® Pentium® 4 processor; Willamette/Northwood with mFCPGA2 Package, mPGA 478

Socket

Support up to Willamette P4 1.7GHz (Throttling) / Northwood above 2.0 GHz(Throttling)

FSB 400MHz /PC 2100/1600

Core logic SiS 650+SiS961: Host & Memory & AGP Controller integrates a high performance host

interface for Intel Pentium 4 processor, a high performance memory controller, a AGP

interface, and SiS MuTIOL® Technology connecting w/ SiS961 MuTIOL® Media IO.

VGA Control SiS301LV

System BIOS 256KB Flash EPROM

Inside -Includes System BIOS, VGA BIOS, and plug & Play capability, ACPI

Memory 0MB on board memory

-Two JEDEC-standard 200-pin, small-outline, dual in-line memory module (SODIMM)

-Support PC2100 & PC2700

Video Memory 8/16/32/64 UMA

Clock Generator

DDR Clock Buffer ICS 952001

ICS 93722

Embedded controller Hitachi H8 3437S

PCMCIA Card Bus Controller: TI PCI1410

One type II slot/ Card Bus support/ No ZV port support

Power Switch : TI TPS2211

Audio System AC97 CODEC: Advance Logic, Inc, ALC201

Power Amplifier: TI TPA0202

Super I/O NS PC87393

Modem 56Kbps (V.90, worldwide) MDC Modem

PHY of LAN ICS1893Y-10 10/100 base T PHY

IEEE1394 IEEE1394 OHCI Controller : NEC uPD72872

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Built on 0.13-micron process technology and Intel® NetBurst™ micro-architecture, the Mobile Intel®

Pentium® 4 Processor - M represents a new generation of mobile computing. It provides superior capabilities

for graphics-intensive multimedia applications, and processor-intensive background computing tasks such as

compression, encryption, and virus scanning. Enhanced Intel® SpeedStep® technology helps to optimize

application performance and power consumption, and Deeper Sleep Alert State, a dynamic power management

mode, adjusts voltage during brief periods of inactivity - even between keystrokes - for longer battery life.

Innovative Micro FCPGA packaging technology enables the processor to fit into small form factors, such as

thin-and-light notebooks.

The Intel® Pentium® 4 processor, Intel’s most advanced, most powerful processor, is based on the new Intel®

NetBurst™ micro-architecture. The Pentium 4 processor is designed to deliver performance across applications

and usages where end users can truly appreciate and experience the performance. These applications include

Internet audio and streaming video, image processing, video content creation, speech, 3D, CAD, games, multi-

media, and multi-tasking user environments. The Intel Pentium 4 processor delivers this world-class

performance for consumer enthusiast and business professional desktop users as well as for entry-level

workstation users.

1.2.1 CPU_Intel Pentium 4 Processor

Highlights of the Pentium 4 Processor :

Available at speeds ranging from 1.50 to 2 GHz

Featuring the new Intel NetBurst micro-architecture

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Supported by the SiS650 chipset

Fully compatible with existing Intel Architecture-based software

Internet Streaming SIMD Extensions 2

Intel® MMX™ media enhancement technology

Memory cache ability up to 4 GB of addressable memory space and

system memory scalability up to 64GB of physical memory

Support for uni-processor designs

Based upon Intel’s 0.18 micron manufacturing process

The Intel NetBurst micro-architecture delivers a number of new and innovative features including Hyper

Pipelined Technology, 400 MHz System Bus, Execution Trace Cache, and Rapid Execution Engine as well as

a number of enhanced features Advanced Transfer Cache, Advanced Dynamic Execution, Enhanced Floating-

point and Multi-media Unit, and Streaming SIMD Extensions 2. Many of these new innovations and advances

were made possible with improvements in processor technology, process technology, and circuit design that

could not previously be implemented in high-volume, manufacturable solutions. The features and resulting

benefits of the new micro-architecture are defined below.

Intel Pentium 4 Processor Product Feature Highlights

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Hyper Pipelined Technology:

The hyper-pipelined technology of the NetBurst micro-architecture doubles the pipeline depth compared to

the P6 micro-architecture used on today’s Pentium III processors. One of the key pipelines, the branch

prediction/ recovery pipeline, is implemented in 20 stages in the NetBurst micro-architecture, compared to

10 stages in the P6 micro-architecture. This technology significantly increases the performance, frequency,

and scalability of the processor.

400 MHZ System Bus:

The Pentium4 processor supports Intel’s highest performance desktop system bus by delivering 3.2 GB

of data per second into and out of the processor. This is accomplished through a physical signaling scheme

of quad pumping the data transfers over a 100-MHz clocked system bus and a buffering scheme allowing

for sustained 400-MHz data transfers. This compares to 1.06 GB/s delivered on the Pentium III processor’s

133-MHz system bus.

Level 1 Execution Trace Cache:

In addition to the 8KB data cache, the Pentium 4 processor includes an Execution Trace Cache that stores

up to 12K decoded micro-ops in the order of program execution. This increases performance by removing

the decoder from the main execution loop and makes more efficient usage of the cache storage space since

instructions that are branched around are not stored. The result is a means to deliver a high volume of

instructions to the processor’s execution units and a reduction in the overall time required to recover from

branches that have been mis-predicted.

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