MiTAC 8355 Manuale utente

BY: Rain Li

Rain Li

Repair Technology Research Department /EDVD

Nov.2003

SERVICE MANUAL FOR

8355

83558355

8355

SERVICE MANUAL FOR

8355

83558355

8355

83558355

8355

8355 N/B MAINTENANCE

Contents

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

1.1 Introduction ………………………………………………………………………………………………………….

1.2 System Hardware Part……………………………………………………………………………………………….

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

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

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

1.6 Appendix 1 : VT8235 GPIO Definition……………………………………………………………………………...

1.7 Appendix 2 : H8 Pins Definition …………………………………………………………………………………….

1.8 Appendix 3 : 8355 Product Specification ……………………………………………………………………………

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

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

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

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

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

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

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

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

5.1 AMD AthlonTM 64 Processor ……………………………………………………………………………………….

5.2 K8T800M (VT8385) North Bridge …………………………………………………………………………………

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102

8355 N/B MAINTENANCE

Contents

5.3 VT8235 South Bridge ……………………………………………………………………………………………….

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

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

7.1 Introduction …………………………………………………………………………………………………………

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

7.3 Debug Tool …………………………………………………………………………………………………………..

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

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

8.2 Battery Can not Be Changed ………………………………………………………………………………………

8.3 No Display ……………………………………………………………………………………………………………

8.4 AGP Controller Failure LCD No Display …………………………………………………………………………

8.5 External Monitor No Display ………………………………………………………………………………………

8.6 Memory Test Error …………………………………………………………………………………………………

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

8.8 Hard Driver Test Error ……………………………………………………………………………………………..

8.9 CD-ROM Driver Test Error…………………………………………………………………………………………

8.10 USB Port Test Error ………………………………………………………………………………………………..

8.11 PC Card Socket Failure ……………………………………………………………………………………………

8.12 Memory-Card Socket Failure ……………………………………………………………………………………..

8.13 IEEE1394 Test Error……………………………………………………………………………………………….

8.14 LAN Test Error……………………………………………………………………………………………………..

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8355 N/B MAINTENANCE

Contents

8.13 Audio Failure ………….……………………………………………………………………………………………

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

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

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

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

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1.1 Introduction

1. Hardware Engineering Specification

The 8355 motherboard would support the AMD ClawHammer K8 processor with uPGA Package,

2700+/3000+/3300+/3600+/3900+/4200+, FSB 800MHz

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

complies with Advanced Configuration and Power Interface (ACPI) 2.0. 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 ico LEDs to display system status, such as AC Power, Battery Power, Battery status, CD-

ROM, HDD, NUM LOCK, CAP LOCK, SCROLL LOCK, WIRELESS LAN status. It also equipped 4 USB2.0 ports.

The memory subsystem supports 0MB on board; Expandable up to 1024MB Expandable with combination of optional

128/256/512 MB memory 200-pin DDR 266/333/400 Memory Module x2, PC-2100/2700/3200 specification

The K8T800 North Bridge plus VT8235 South Bridge chipset is a high performance, cost-effective and energy

efficient solution for the implementation of desktop personal computer systems with 8 / 16-bit 800 / 600 / 400 / 200

MHz HyperTransport. CPU host interface based on AMD K8 / ClawHammer. processors.

The VT8235 “V-Link Client Controller” is a highly integrated PCI /LPC controller. Its internal bus structure is based

on a 66 MHz PCI bus that provides 2x bandwidth compared to previous generation PCI bridge chips. The VT8235

also provides a 533 MB/sec bandwidth Host / Client V-Link interface with V-Link-PCI and V-Link-LPC controllers.

It supports six PCI slots of arbitration and decoding for all integrated functions and LPC bus.

8355 N/B MAINTENANCE

The RADEON MOBILITY 9600 provides the fastest and most advanced 2D, 3D, and multimedia graphics

performance for the latest applications in full 32-bit color. Its architecture introduces the latest achievements in the

graphics industry, which enable the use of the progressive new features in upcoming applications, but without

compromising performance. ATI’s exclusive support of DirectX® 9.0 features, highly optimized OpenGL® support,

and flexible memory configurations allow implementations targeted at both gaming enthusiast and workstation

platforms.

To provide for the increasing number of multimedia applications, the AC97 CODEC CMI9738-S is integrated onto

the motherboard

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

8355 N/B MAINTENANCE

1.2 System Hardware Part

CPU AMD ClawHammer K8 processor with uPGA Package

2700+/3000+/3300+/3600+/3900+/4200+

FSB 800MHz

Core logic VIA K8T800 + VT8235

VGA Control ATI M10P with 64MB External VRAM (Reserve for 128MB VRAM)

System BIOS Insyde 256 KB Flash EPROM (Include System BIOS and VGA BIOS)

ACPI 2.0; DMI 2.3.1 compliant

Plug & Play capability

Memory 0MB on board; Expandable up to 1024MB

Expandable with combination of optional 128/256/512 MB memory

200-pin DDR 266/333/400 DRAM Memory Module x2,

PC-2100/2700/3200 specification

Clock

Generator

ICS 950403

IEEE1394 VT6307L

Audio System AC97 CODEC: C-MEDIA ELECTRONICS INC., CMI9738-S

Power Amplifier: Anpec APA2020

Super I/O PC87397

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

PHY of LAN VT6103 10/100 base -T PHY

PCMCIA ENE710

CARD

READER

ENE710

8355 N/B MAINTENANCE

1.2.1 CPU_ ClawHammer PROCESSOR

The ClawHammer processor family is designed to support performance desktop and workstation applications. It

provides a high-performance HyperTransport. link to I/O, as well as a single 64-bit high-performance DDR

memory controller.

Compatible with Existing 32-bit Code Base

Including support for SSE, SSE2, MMXTM, 3DNow!TM, technology and all legacy x86 instructions

Runs existing operating systems and drivers

Local APIC on-chip

AMD x86-64 Technology

AMD.s 64-bit x86 instruction set extensions

64-bit integer registers, 48-bit virtual addresses, 40-bit physical addresses

Eight new 64-bit integer registers (16 total)

Eight new 128-bit SSE/SSE2 registers (16 total)

Integrated Memory Controller

Low-latency, high-bandwidth

72-bit DDR at 200, 266, 333, and 400 MHz (64-bits + 8-bits ECC)

8355 N/B MAINTENANCE

HyperTransport. Technology to I/O Devices

Two 8-bit links each support 1600 mega-transfers (MT) per second or 1.6 Gbytes/s in each direction

Can be configured as single 16-bit link supporting 1600 MT/s or 3.2 Gbytes/s in each direction

64-Kbyte 2-way Associative ECC-Protected L1 Data Cache

Two 64-bit operations per cycle, 3-cycle latency

64-Kbyte 2-way Associative Parity-Protected L1 Instruction Cache

With advanced branch prediction

16-way Associative ECC-Protected L2 Cache

Exclusive cache architecture.storage in addition to L1 caches

256 KB, 512 KB, and 1 MB options

Machine Check Architecture

Includes hardware scrubbing of major ECC-protected arrays

Power Management

Multiple low-power states

System Management Mode (SMM)

8355 N/B MAINTENANCE

ACPI 2.0 compliant, including support for processor performance states

Power Supplies

VDD (core): 1.50-V at 52 Amps (max)

VDDIO: 2.5-V at 3.0 Amps (max) for DDR I/O

VLDT: 1.2-V at 0.5 Amps for HyperTransport

VTT: 1.25-V at 0.5 Amps required for 2.5-V I/Os

Target CPU Core Power: 78.00 Watts

Target Maximum Thermal Power: 89 Watts

Electrical Interfaces

HyperTransport. Technology: LVDS-like differential, unidirectional

DDR: SSTL per JEDEC DDR specification

Clock, reset, and test signals also use DDR-like electrical specifications

Packaging

754-pin lidded micro PGA

1.27-mm pin pitch

29x29 row pin array

40mm x 40mm organic substrate, Organic C4 die attach

Indice

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