Yamaha LSI YMF715 Technical Information

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Summary of Contents

Page 1 - 390 Series390 Series

390 Series390 SeriesNotebook ComputerNotebook ComputerService GuidePART NO.: 49.43A02.001DOC. NO.: SG234-9710A PRINTED IN TAIWAN

Page 2 - DisclaimerDisclaimer

x4-11 Removing the LED Cover...4-124-12 Removing the Heat Sink Assembl

Page 3 - Manual Structure

2-54 Service GuideTable 2-6 FDC37C67 Pin DescriptionsPin No./QFP Pin Name Type Symbol Buffer Type78 Paper End 1 PE I77 Printer Selected 1 SLCT I81 Err

Page 4 - Conventions

Major Chips Description 2-552.3.5 Description of Multifunction PinsTable 2-7 FDC37C67 Multifunction Pin DescriptionsPin No./QFP Original Function Alte

Page 5

2-56 Service Guide2.3.6 Block DiagramFigure 2-6 FDC37C67 Block Diagram

Page 6

Major Chips Description 2-572.4 655552.4.1 Features• Highly integrated design Flat Panel and CRT GUI Accelerator & Multimedia Engine,Palette/DAC,

Page 7 - Chapter 3 BIOS Setup Utility

2-58 Service Guide• Display centering and stretching features for optimal fit of V(iA graphics and text on 800x600and 1024x768 panels• Simultaneous Ha

Page 8

Major Chips Description 2-592.4.2 Software Support Features• Drivers Features• High Performance Accelerated drivers• Compatible across HiQVideo famil

Page 9 - List of Figures

2-60 Service Guide• Software Support• Dedicated Software Applications Engineer• BBS Support for Software Updates• BIOS Features• VGA Compatible BIOS•

Page 10

Major Chips Description 2-61• Panel Tables• Voltage Switching• Int 15 Hooks• Monitor Sensing2.4.3 Introduction / OverviewThe HiQVideo family of high

Page 11 - List of Tables

2-62 Service GuideThe display system can independently place either RGB or YUV data from anywhere in displaymemory into an on-screen window which can

Page 12

Major Chips Description 2-63The 64-bit wide memory configurations have double the memorybandwidth of the 32-bit wide configurations.The figure below s

Page 13 - System Introduction

xiList of Tables1-1 CPU Mounting Reference Table... 1-51-2 SW1 Switch Settin

Page 14 - 1.2 System Board Layout

2-64 Service Guide• Display Memory Interface• Flat Panel Display Interface• CRT Interface Power / Ground and Standby Control• Video Interface; Miscell

Page 15 - System Introduction 1-3

Major Chips Description 2-652.4.4.3 Bottom View: BGA Ball AssignmentsFigure 2-8 65555 BGA Ball Assignments (Bottom View)

Page 16 - 1.2.2 CPU Board

2-66 Service Guide2.4.4.4 Pin FunctionsTable 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionPCI Bus InterfaceC1 RST# In Low Reset. This i

Page 17 - 1.2.4 Battery Board

Major Chips Description 2-67Table 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionL4 DEVSEL# S/TS Low Device Select. Indicates the current

Page 18 - 1.2.5 Keyboard/Touchpad Board

2-68 Service GuideTable 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionU2T3R4T2U1R3T1R2R1P2N3P1N2M4M3N1J1J2H1J3J4H2G1H3G3F2E1F3D1E2F4E3AD

Page 19 - 1.3 Jumpers and Connectors

Major Chips Description 2-69Table 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionDisplay Memory InterfaceD18Cl9B20C18A20Bl9Al9B18C17D16AA

Page 20 - Table 1-2 SW1 Switch Settings

2-70 Service GuideTable 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionJ18J17H19G20H18G19F20G18F19D20E19F17E18D19MC0MC1MC2MC3MC4MC5MC6MC7

Page 21 - 1.4.2 Interrupt Channel Map

Major Chips Description 2-71Table 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionFlat Panel Display InterfaceW6V7Y6W7V8Y7W8U9V9Y8W9Y9V10W

Page 22 - 1.4.4 I/O Address Map

2-72 Service GuideTable 2-8 65555 Pin FunctionsBall Pin Name Type Active DescriptionNote: All signals listed above are powered by DVCC and GND.

Page 23 - • Memory bus width: 64-bit

Major Chips Description 2-73Notes for table below:• To accommodate a wide variety of panel types, the graphics controller has been designed to output

Page 24 - 1.4.8 Second-Level Cache

xii1-35 Hard Disk Standby Mode Conditions and Descriptions...1-281-36 Location of Drivers in the System Utility C

Page 25 - 1.4.10 Video

2-74 Service GuideTable 2-8 65555 Pin Functions (continued)Ball Pin Name Type Active DescriptionCRT InterfaceU3 HYSNC(CSYNC) Out Both CRT Horizontal S

Page 26 - 1.4.11 Parallel Port

Major Chips Description 2-75Table 2-8 65555 Pin Functions (continued)Ball Pin Name Type Active DescriptionP4,U14,U7,J9-12K9-12L9-12M9-12Y1 RGND GND In

Page 27 - 1.4.14 PCMCIA

2-76 Service GuideTable 2-8 65555 Pin Functions (continued)Ball Pin Name Type Active DescriptionB1 TD1(MCLKIN) In High Test data input for boundary sc

Page 28 - 1.4.16 Keyboard

Major Chips Description 2-772.5 M388132.5.1 OverviewThe M38813M4-XXXHP is an 8-bit single-chip microcomputer created in a silicon gate CMOSprocess. Bu

Page 29 - 1.4.17 FDD

2-78 Service GuideTable 2-9 M38813M4-XXXHP FunctionsParameter FunctionOutput current 10mA (15mA for P24-P27)Operating temperature range-20 to 85°CDevi

Page 30 - 1.4.19 CD-ROM

Major Chips Description 2-792.5.4 Pin DescriptionsThe pin functions are listed in the table below.Table 2-10 M38813M4-XXXHP Pin DescriptionPin Name Fu

Page 31 - • Trickle mode

2-80 Service Guide2.5.4.1 Functional Block DiagramFigure 2-10 M38813 Block Diagram

Page 32 - 1.4.22 DC-DC Converter

Major Chips Description 2-812.6 YMF715B-SYMF715-S (OPL3-SA3) is a single audio chip that integrates OPL3 and its DAC, 16 bit Sigma-deltaCODEC, MPU401

Page 33 - 1.4.24 LCD

2-82 Service Guide2.6.2 Pin DiagramFigure 2-11 YMF715 Block Diagram

Page 34 - 1.4.25 AC Adapter

Major Chips Description 2-832.6.3 Pin DescriptionsTable 2-11 YMF715 DescriptionsPin name Pins I/O Type Size FunctionISA bus interface: 36 pinsD7-0 8 I

Page 35 - 1.5.1 BIOS

C h a p t e r 1C h a p t e r 1System IntroductionSystem Introduction 1-11.1 OverviewThis computer combines high-performance,

Page 36

2-84 Service GuideTable 2-11 YMF715 DescriptionsPin name Pins I/O Type Size FunctionMP9-0 l0 I+/O TTL 4mA Refer to “multi-purpose pins” sectionOthers:

Page 37 - STANDBY MODE

C h a p t e r 3C h a p t e r 3BIOS Setup InformationBIOS Setup Information 3-1The Setup Utility is a hardware configuration

Page 38 - HIBERNATION MODE

3-2 Service GuidePressing F2 brings up the main screen of the Setup Utility.SETUP UtilityBasic System SettingsStartup ConfigurationOnboard Devices Con

Page 39 - DISPLAY STANDBY MODE

BIOS Setup Information 3-33.1 Basic System SettingsThe Basic System Settings screen contains parameter items involving basic computer settings.Basic S

Page 40 - • Flash power LED with 1 Hz

3-4 Service Guide3.2 Startup ConfigurationThe Startup Configuration screen contains parameter items that are set-up when the computerstarts up.Startup

Page 41 - • Windows 95

BIOS Setup Information 3-5Table 3-2 Startup Configuration ParametersParameter Description SettingOperating System Selects the operating system the com

Page 42 - Name Function Location

3-6 Service Guide3.3 Onboard Devices ConfigurationThe Onboard Devices Configuration screen contains parameter items that are related to portdevices on

Page 43 - 1.6 Block Diagrams

BIOS Setup Information 3-7Table 3-3 Onboard Devices Configuration ParametersParameter Description Setting DMA Sets the DMA (direct memory access) cha

Page 44 - 1.6.2 Clock

3-8 Service Guide3.4 System SecurityThe System Security screen contains parameter items that help safeguard and protect yourcomputer from unauthorized

Page 45 - System Introduction 1-33

BIOS Setup Information 3-93.5 Power Management SettingsThe Power Management Settings screen contains parameter items related to power-saving andpower

Page 46 - 1.8 Mechanical Specifications

1-2 Service Guide1.2 System Board Layout1.2.1 MainboardFigure 1-1 PCB No. 96183-1A Mainboard Layout (Top)

Page 47 - Major Chips Description

3-10 Service GuideTable 3-5 Power Management Settings ParametersParameter Description Setting or FormatModem Ring ResumeOn IndicatorWhen enabled, and

Page 48 - 2.1.1 Features

BIOS Setup Information 3-113.6 Load Default SettingsWhen you select the Load Default Settings item from the main screen, a dialog box appears askingyo

Page 49

C h a p t e r 4C h a p t e r 4Disassembly and Unit ReplacementDisassembly and Unit Replacement 4-1This chapter contains step

Page 50 - 2.1.2 Block Diagram

4-2 Service GuideFigure 4-1 Removing the Battery PackRemoving all power sources from the system prevents accidental short circuitduring the disassembl

Page 51 - 2.1.3 Terminal Functions

Disassembly and Unit Replacement 4-34.1.2 Connector TypesThere are two kinds of connectors on the main board:• Connectors with no locksUnplug the cabl

Page 52 - 2-6 Service Guide

4-4 Service Guide4.1.3 Disassembly SequenceThe disassembly procedure described in this manual is divided into four major sections:• Section 4.2: Insta

Page 53 - Major Chips Description 2-7

Disassembly and Unit Replacement 4-5BatteryModem ModuleDIMMHDDOpen Dimm DoorOpen Battery DoorRemove HDD CoverRemove Display HingeUnplug K/B conect

Page 54 - 2-8 Service Guide

4-6 Service Guide4.2 Installing MemoryFollow these steps to insert memory modules:1. Turn off the computer. Then turn the computer over to access its

Page 55 - Major Chips Description 2-9

Disassembly and Unit Replacement 4-7Figure 4-5 Installing and Removing Memory5. Replace the memory door and secure it with the screws.Sleep Manager mu

Page 56 - 2-10 Service Guide

4-8 Service Guide4.3 Removing the Modem BoardWhen you open the memory door, you can also access and replace the modem board. See figurebelow.Figure 4

Page 57 - Major Chips Description 2-11

System Introduction 1-3Figure 1-2 PCB No. 96183-1A Mainboard Layout (Bottom)

Page 58 - 2-12 Service Guide

Disassembly and Unit Replacement 4-94.4 Removing the Hard Disk DriveFollow these steps to remove the hard disk drive:1. Turn the computer over and loc

Page 59 - Major Chips Description 2-13

4-10 Service Guide4.5 Removing the KeyboardFollow these steps to remove the keyboard:1. Slide out the two display hinge covers on both sides of the no

Page 60 - 2-14 Service Guide

Disassembly and Unit Replacement 4-113. Unplug the keyboard connectors (CN3 and CN5) from the keyboard/touchpad board. Setaside the keyboard.Figure 4

Page 61 - Major Chips Description 2-15

4-12 Service Guide4.6 Disassembling the Inside Frame AssemblyThis section discusses how to disassemble the housing, and during its course, includes re

Page 62 - 2-16 Service Guide

Disassembly and Unit Replacement 4-134.6.2 Removing the DisplayFollow these steps to remove the display:1. Remove two screws on the bottom and two scr

Page 63 - Major Chips Description 2-17

4-14 Service Guide3. Detach the display from the main unit and set aside.Figure 4-15 Removing the Display Hinge Screws4.6.3 Removing the Internal Driv

Page 64 - 2-18 Service Guide

Disassembly and Unit Replacement 4-15Figure 4-16 Removing the Internal Drive4.6.4 Replacing the CPUGently pull out the CPU heat sink and the CPU board

Page 65 - Major Chips Description 2-19

4-16 Service Guide4.6.5 Detaching the Top CoverFollow these steps to detach the top cover from the bottom cover:1. Unplug the touchpad cable (CN6) fro

Page 66 - 2.2.1 M1531

Disassembly and Unit Replacement 4-174.6.6 Removing the MainboardFollow these steps to remove the mainboard:1. Remove the screws found on the lower ca

Page 67

4-18 Service Guide3. Gently remove the DC-DC converter board (CN7).Figure 4-22 Removing the DC-DC Converter Board4. Unplug the battery charger connect

Page 68 - • Enhanced Power Management

1-4 Service Guide1.2.2 CPU BoardFigure 1-3 PCB No. 96534-SE CPU Board Layout (Top)Figure 1-4 PCB No. 96534-SE CPU Board Layout (Bottom)

Page 69 - 2.2.1.2 Pin Diagram

Disassembly and Unit Replacement 4-194.6.7 Disassembling the MainboardFollow these steps to disassemble the mainboard:REMOVING THE CHARGER BOARDUnplug

Page 70 - 2.2.1.3 Signal Descriptions

4-20 Service Guide4.6.8 Disassembling the Top CoverThe touchpad, speakers, audio board are connected to the top cover. The sections below describethe

Page 71 - Major Chips Description 2-25

Disassembly and Unit Replacement 4-21REMOVING THE TOUCHPAD1. Remove four screws and lift up the metal plate and touchpad buttons.2. Unplug the touchpa

Page 72 - 2-26 Service Guide

4-22 Service Guide4.7 Disassembling the DisplayFollow these steps to disassemble the display:1. Remove the two oval LCD bumpers at the top of the disp

Page 73 - Major Chips Description 2-27

Disassembly and Unit Replacement 4-233. Pull out and remove the display bezel by first pulling on the inside of the bezel sides and lowerbezel area.

Page 74 - 2.2.1.4 Numerical Pin List

4-24 Service Guide5. Remove three screws on the four sides of the display panel (one screw holds and grounds theLCD cable). Then tilt the LCD Panel a

Page 75 - Major Chips Description 2-29

A p p e n d i x AA p p e n d i x AModel Number DefinitionModel Number Definition A-1This appendix shows the model number defin

Page 76 - 2-30 Service Guide

A p p e n d i x BA p p e n d i x BExploded View DiagramExploded View DiagramThis appendix includes exploded view diagrams of t

Page 79 - Major Chips Description 2-33

System Introduction 1-5The following table is a reference when mounting1 the CPU.Table 1-1 CPU Mounting Reference TableVolt. Ext Freq RatioCPU Volt Fr

Page 84 - • SMBus interface

A p A p p e n d p e n d i x Ci x CSpare Parts ListSpare Parts List C-1This appendix lists the spare parts of the notebook comp

Page 85 - 2.2.2.2 Pin Diagram

C-2 Service GuideTable C-1 Spare Parts ListCategory Ref. No. ofExplodedDiagramDescription Acer Part No. Comment/Location Min.QtyLower Case D-10 ~D-13P

Page 86 - 2.2.2.3 Numerical Pin List

Spare Parts List C-3Table C-1 Spare Parts ListCategory Ref. No. ofExplodedDiagramDescription Acer Part No. Comment/Location Min.QtyMemory DIMM EDO 16M

Page 87 - Major Chips Description 2-41

C-4 Service GuideTable C-1 Spare Parts ListCategory Ref. No. ofExplodedDiagramDescription Acer Part No. Comment/Location Min.QtyINTERNAL CD-ROM DRIVE

Page 88 - 2-42 Service Guide

A p A p p e n d p e n d i x Di x DSchematicsSchematicsThis appendix shows the schematic diagrams of the notebook.Table D-1 Schem

Page 89 - Major Chips Description 2-43

Date: August 5, 1997 Sheet 1 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT CPU CONNACER TA

Page 90 - 2-44 Service Guide

1-6 Service Guide1.2.5 Keyboard/Touchpad BoardFigure 1-7 PCB No. 97349-1 Keyboard/Touchpad Board (Top View)Figure 1-8 PCB No. 97349-1 Keyboard/Touchpa

Page 91 - Major Chips Description 2-45

Date: August 4, 1997 Sheet 2 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHT M1531ACER TAIPEI TAIWAN R.O.C6,7666666

Page 92 - 2-46 Service Guide

Date: August 21, 1997 Sheet 3 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHT M1533ACER TAIPEI TAIWAN R.O.C2113,14,1

Page 93 - 2.3.1 Features

Date: August 7, 1997 Sheet 4 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHTISA PULL HIGH & PULL LOWACER TAIPEI TAIWAN

Page 94 - • ISA Host Interface

Date: August 21, 1997 Sheet 5 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT CACHE RAM & TAG RAMACER TAIPEI TAIWAN R.

Page 95 - 2.3.2 General Description

Date: August 4, 1997 Sheet 6 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT DIMM SOCKET-1ACER TAIPEI TAIWAN R.O.C 1

Page 96 - 2.3.3 Pin Configuration

Date: August 7, 1997 Sheet 7 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT DIMM SOCKET-2ACER TAIPEI TAIWAN R.O.CC38

Page 97 - Major Chips Description 2-51

Date: August 7, 1997 Sheet 8 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT CY2272 CLOCK GENERATORACER TAIPEI TAIWAN R.O.C

Page 98 - 2.3.4 Pin Descriptions

Date: August 7, 1997 Sheet 9 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHTVGA CONTROLLER CHIP 65555 & VRAM ACER TA

Page 99 - Major Chips Description 2-53

Date: August 21, 1997 Sheet 10 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT CRT & LCD CONNACER TAIPEI TAIWAN R.O.

Page 100 - BUFFER TYPE DESCRIPTIONS

Date: August 4, 1997 Sheet 11 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHTPCMCIA CONTROLLER CHIP PCI 1250 ACER TAIPEI T

Page 101 - Major Chips Description 2-55

System Introduction 1-71.3 Jumpers and ConnectorsTOP VIEW CN1 USB port CN14 Audio board cable connectorCN2 Parallel port CN15 Internal speaker connec

Page 102 - 2.3.6 Block Diagram

Date: August 7, 1997 Sheet 12 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHTPCMCIA SOCKET & POWER CONTROLLER TPS2206

Page 103 - 2.4.1 Features

Date: August 4, 1997 Sheet 13 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHTM38813 & LED & CHARGER SMBUS ACER TAIP

Page 104

Date: August 12, 1997 Sheet 14 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT SUPER I/O SMC672 & RS232 MAX3243 ACER T

Page 105 - • Software Documentation

Date: August 5, 1997 Sheet 15 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT PARALLEL & SERIAL PORTACER TAIPEI TAIWAN R

Page 106 - • BIOS Modify Program (BMP)

Date: August 7, 1997 Sheet 16 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHTUSB & FIR & BUZZER & FANACER TAIPEI

Page 107 - 2.4.3 Introduction / Overview

Date: August 12, 1997 Sheet 17 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHT AUDIO CHIP YMF715ACER TAIPEI TAIWAN R.O.CC2

Page 108

Date: August 15, 1997 Sheet 18 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHTOP AMP LM4863 & DATARACE & JACK ACER

Page 109 - • PCI Bus

Date: August 21, 1997 Sheet 19 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT RTC & BIOS ROMACER TAIPEI TAIWAN R.O.C

Page 110 - • Display Memory Interface

Date: August 5, 1997 Sheet 20 of 23Size Document Number REVA2 96183 SDTitle390 ACERNOTE LIGHT IDE CONNACER TAIPEI TAIWAN R.O.CCD-ROM

Page 111 - Major Chips Description 2-65

Date: August 5, 1997 Sheet 21 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHTGOLDEN FINGER & MODEM CONN ACER TAIPEI TAIW

Page 112 - Table 2-8 65555 Pin Functions

iiCopyrightCopyrightCopyright  1997 by Acer Incorporated. All rights reserved. No part of this publication may bereproduced, transmitted, transcr

Page 113 - MVCC and GND

1-8 Service GuideBOTTOM VIEWCN23 Modem connectorCN24 Modem connectorDIMM DIMM socketsFigure 1-10 Jumpers and Connectors (Bottom View)The following t

Page 114 - 2-68 Service Guide

Date: August 14, 1997 Sheet 22 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHTDC-DC & CHARGER & BAT CONN ACER TAIPEI

Page 115 - Major Chips Description 2-69

Date: August 5, 1997 Sheet 23 of 23Size Document Number REVA3 96183 SDTitle390 ACERNOTE LIGHT PORT REPLICATORACER TAIPEI TAIWAN R.O.C33

Page 116 - 2-70 Service Guide

A p A p p e n d p e n d i x E i x EBIOS POST CheckpointsBIOS POST Checkpoints E-1This appendix lists the POST checkpoints of th

Page 117 - Major Chips Description 2-71

E-2 Service GuideTable E-1 POST Checkpoint ListCheckpoint Description20h• KB controller(8041/8042) testing• KB type determination• Write default comma

Page 118 - 2-72 Service Guide

BIOS POST Checkpoints E-3Table E-1 POST Checkpoint ListCheckpoint Description80h• Set security status84h• KB device initialization• Enable KB device6C

Page 119 - Major Chips Description 2-73

System Introduction 1-91.4 Hardware Configuration and Specification1.4.1 Memory Address MapTable 1-3 Memory Address MapAddress Range Definition Functi

Page 120 - 2-74 Service Guide

1-10 Service Guide1.4.3 DMA Channel MapTable 1-5 DMA Channel MapController Channel Address Function11112222012345670087008300810082Cascade008B0089008A

Page 121 - Major Chips Description 2-75

System Introduction 1-111.4.5 ProcessorTable 1-7 Processor SpecificationsItem SpecificationCPU type P55C-133/150/166CPU package TCPSwitchable processo

Page 122 - 2-76 Service Guide

1-12 Service Guide• 16MB (2M*8x8)• 32MB (4M*16x4)• 64MB (8M*8x8)• Expansion RAM module speed/voltage/package: 60ns/3.3v/TSOP EDO• EDO and fast-page mo

Page 123 - 2.5.2 Description

System Introduction 1-131.4.9 Video MemoryTable 1-10 Video RAM ConfigurationItem SpecificationDRAM or VRAM DRAM(EDO type)Fixed or upgradeable FixedMem

Page 124 - 2.5.3 Pin Configuration

1-14 Service Guide1.4.10.2 LCD Resolution SupportTable 1-13 Supported LCD ResolutionsResolution x Color on LCD Only TFT LCD (SVGA) DSTN LCD (SVGA)640x

Page 125 - 2.5.4 Pin Descriptions

System Introduction 1-151.4.12 Serial PortTable 1-15 Serial Port ConfigurationsItem SpecificationNumber of serial ports 116550 UART support YesConnect

Page 126 - Functional Block Diagram

1-16 Service GuideTable 1-17 PCMCIA SpecificationsItem SpecificationChipset TI 1250ASupported card type Type-II / Type-IIINumber of slots Two Type-II

Page 127 - 2.6.1 Features

System Introduction 1-171.4.16.1 Windows 95 KeysThe keyboard has two keys that perform Windows 95-specific functions. See Table 1-26.Table 1-20 Windo

Page 128 - 2.6.2 Pin Diagram

iiiAbout this ManualAbout this ManualPurposeThis service guide aims to furnish technical information to the service engineers and advancedusers when u

Page 129 - Multi-purpose Dins: 13 pins

1-18 Service Guide1.4.18 HDDTable 1-22 HDD SpecificationsItem SpecificationVendor & Model Name Hitachi DK225A-21 IBM DTNA22160 IBM DDLA21620Drive

Page 130 - 2-84 Service Guide

System Introduction 1-191.4.20 BatteryTable 1-24 Battery SpecificationsItem SpecificationBattery gauge on screen Yes, by hotkey Yes, by hotkeyVendor &

Page 131 - BIOS Setup Information

1-20 Service GuideTable 1-25 Charger SpecificationsItem SpecificationVendor & model name Ambit T62.069.C.00Input voltage (from adapter, V) 0-24VOu

Page 132 - 3-2 Service Guide

System Introduction 1-211.4.23 DC-AC InverterDC-AC inverter is used to generate very high AC voltage, then supply to LCD CCFT backlight use,and is als

Page 133 - 3.1 Basic System Settings

1-22 Service Guide1.4.25 AC AdapterTable 1-29 AC Adapter SpecificationsItem SpecificationVendor & model name Delta ADP-45GB Rev. E3, E5Input Requi

Page 134 - 3.2 Startup Configuration

System Introduction 1-231.5 Software Configuration and Specification1.5.1 BIOSThe BIOS is compliant to PCI v2.1, APM v1.2, E-IDE and PnP specificatio

Page 135 - BIOS Setup Information 3-5

1-24 Service Guide1.5.1.2 MultiBootThe system can boot from the FDD, External FDD, HDD, CD-ROM. The user can select thedesired booting process to boo

Page 136

System Introduction 1-25ON MODENormal full-on operationSTANDBY MODEThe computer consumes very low power in standby mode. Data remain intact in the sy

Page 137 - BIOS Setup Information 3-7

1-26 Service GuideLIGHT GREEN MODEThe notebook consumes very low power in light green mode. Data and I/O connections remainintact in the system memor

Page 138 - 3.4 System Security

System Introduction 1-27Table 1-33 Hibernation Mode Conditions and DescriptionsCondition DescriptionThe condition toenter HibernationModeThere are two

Page 139 - 3.5 Power Management Settings

ivAppendix D SchematicsThis appendix contains the schematic diagrams for the system board.Appendix E BIOS POST CheckpointsThis appendix lists and de

Page 140

1-28 Service GuideHARD DISK STANDBY MODEThe hard disk enters standby mode when there are no disk read/write operations within the periodof time determ

Page 141 - 3.6 Load Default Settings

System Introduction 1-29The following processes are the basic methods used to implement the LCD brightness AutoDim.1. If the original brightness is ov

Page 142 - 4.1.1 Before You Begin

1-30 Service GuideTo re-install applications under Windows 95, click on Start, then Run…. Based on the location ofthe application, run the setup prog

Page 143 - 4-2 Service Guide

System Introduction 1-311.6 Block Diagrams1.6.1 SystemAUD BDConn.Serial PortCPU P55CPCI BusPCI BusISA BusISA BusCPU BusCPU BusTag RamCache DIMM2 Socke

Page 144 - 4.1.2 Connector Types

1-32 Service Guide1.6.2 ClockCLK GENCY2272SMB BUSM1533DIMM1 DIMM2CPU CLK M1531CACHECPUSGRAM CLKDIMM1DIMM2PCI CLK14.318M48MHZ1531153365555PCI1250USB153

Page 145 - 4.1.3 Disassembly Sequence

System Introduction 1-331.7 Environmental RequirementsTable 1- 38 Environmental RequirementsItem SpecificationTemperatureOperating (ºC) +5~ +35Non-ope

Page 146

1-34 Service Guide1.8 Mechanical SpecificationsTable 1-39 Mechanical SpecificationsItem SpecificationWeight FDD model CD-ROM model(includes battery)

Page 147 - 4.2 Installing Memory

C h a p t e r 2C h a p t e r 2Major Chips DescriptionMajor Chips Description 2-1This chapter discusses the major chips used

Page 148

2-2 Service Guide2.1 PCI 1250AThe Texas Instruments PCI1250A is a high-performance PC Card controller with a 32-bit PCIinterface. The device supports

Page 149 - 4.3 Removing the Modem Board

Major Chips Description 2-3• Supports Burst Transfers to Maximize Data Throughput on both PCI Buses• Supports Serialized IRQ with PCI Interrupts• 8-Wa

Page 150

vTable of ContentsTable of ContentsChapter 1 System Introduction1.1 Overview ...

Page 151 - 4.5 Removing the Keyboard

2-4 Service Guide2.1.2 Block DiagramA simplified block diagram of the PCI1250 is provided in following figure. The PCI interfaceincludes all address/d

Page 152

Major Chips Description 2-52.1.3 Terminal FunctionsThis section describes the PCI1250A terminal functions. The terminals are grouped in tables byfunc

Page 153

2-6 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionPCI Address and Data TerminalsAD31AD30AD29AD28AD27AD26AD25AD24AD23AD22A

Page 154 - 4.6.2 Removing the Display

Major Chips Description 2-7Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionPCI Interface Control TerminalsDEVSE V20 I/O PCI device selec

Page 155

2-8 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionSTOP T17 I/O PCI cycle stop signal. This signal is driven by a PCItarge

Page 156 - 4.6.4 Replacing the CPU

Major Chips Description 2-9Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0K03J02J04H02G01W08Y07V0

Page 157 - 4.6.5 Detaching the Top Cover

2-10 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionBVD2(SPKR)Y05 D10 I Battery Voltage Detect 2. Generated by 16-bitmemor

Page 158 - 4.6.6 Removing the Mainboard

Major Chips Description 2-11Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionIOWR M02 C19 O I/O Write IOWR is driven low by the PCI1250A

Page 159

2-12 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionWE P03 D16 O Write enable. WE is used to strobe memory writedata into

Page 160 - REMOVING THE PCMCIA SOCKETS

Major Chips Description 2-13Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionCRSST W01 C13 I/O CardBus PC Card Reset. This signal is used

Page 161 - REMOVING THE AUDIO BOARD

vi1.4.24 LCD ...1-211.4.25 AC Adapter ...

Page 162 - REMOVING THE SPEAKERS

2-14 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionCC/BE3CC/BE2CC/BE1CC/BE0Y02T03N01K01B12D14B19D20I/O CardBus Bus Comman

Page 163 - 4.7 Disassembling the Display

Major Chips Description 2-15Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionCINT Y04 A10 I CardBus interrupt. This signal is asserted lo

Page 164

2-16 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionSystem Interrupt TerminalsGPIO3/INTA V13 I/O GPI03/lNTA Parallel PCI I

Page 165 - 4-24 Service Guide

Major Chips Description 2-17Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionCLOCK U12 I/O 3-Line Power Switch Clock. Information on theD

Page 166 - Model Number Definition

2-18 Service GuideTable 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionPC/PCI DMA TerminalsPCREQ/IRQMUX7Y12 O PC/PCI DMA Request. This signal

Page 167 - Exploded View Diagram

Major Chips Description 2-19Table 2-2 PCI1250 Terminal FunctionsName No. I/O Type FunctionSPKROUT Y10 O Speaker Output. This signal is the output to t

Page 168

2-20 Service Guide2.2 Aladdin IV (M1531/M1533)The Aladdin-IV is the succeeding generation chipset of Aladdin-III from Acer Labs. It maintains thebest

Page 169

Major Chips Description 2-212.2.1.1 Features• Supports all Intel/Cyrix/AMD/TI/IBM 586 processors. Host bus at 83.3, 75, 66, 60 and 50 MHzat 3.3V/2.5V

Page 170

2-22 Service Guide• Supports the most flexible six 32-bit populated banks of DRAM for easy DRAM upgrade• Supports SIMM and DIMM• Synchronous/Pseudo Sy

Page 171

Major Chips Description 2-232.2.1.2 Pin Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A NC PHLDAJ AD3 AD6 AD

Page 172

vii2.5.3 Pin Configuration ...2-782.5.4 Pin Descriptions ...

Page 173

2-24 Service Guide2.2.1.3 Signal DescriptionsTable 2-3 M1531 Signal DescriptionsSignal Type DescriptionHost Interface 3.3V/2.5VA[31:3] I/OGroup AHos

Page 174 - Spare Parts List

Major Chips Description 2-25Table 2-3 M1531 Signal DescriptionsSignal Type DescriptionKENJ/INV OGroup ACache Enable Output. This signal is connected

Page 175 - Table C-1 Spare Parts List

2-26 Service GuideTable 2-3 M1531 Signal DescriptionsSignal Type DescriptionCLKEN[1]/GNTJ[4]OGroup CSDRAM Clock Enable Copy 1 or PCI Master Grant. Th

Page 176 - Spare Parts List C-3

Major Chips Description 2-27Table 2-3 M1531 Signal DescriptionsSignal Type DescriptionDEVSELJ I/OGroup BDevice Select. When the target device has dec

Page 177 - C-4 Service Guide

2-28 Service GuideTable 2-3 M1531 Signal DescriptionsSignal Type DescriptionPower PinsVCC_A P Vcc 3.3V or 2.5V Power for Group A. This power is used

Page 178 - Schematics

Major Chips Description 2-29Table 2-4 M1531 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeB1 BEJ0 I D11 AD23 I/O G16 MD15 I/OB2 PHLDJ I D

Page 179 - CPU BD TO BD CONNECTOR

2-30 Service GuideTable 2-4 M1531 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeK3 HD53 I/O N5 HD40 I/O T12 TWEJ OK4 HD54 I/O N8 GND P T1

Page 180

Major Chips Description 2-31Table 2-4 M1531 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeM12 GND P T1 HD21 I/O V11 A25 I/OM13 GND P T2 H

Page 181 - ALADDIN IV

2-32 Service GuideTable 2-4 M1531 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeY10 A3 I/O B5 AD7 I/O B7 CBEJ1 I/OY11 A28 I/O A5 AD8 I/O

Page 182 - M1533 BYPASS CAPACITORS

Major Chips Description 2-33Table 2-4 M1531 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeN10 GND P N2 HD37 I/O M19 MD4 I/ON11 GND P N3 H

Page 183 - 256K L2 PIPELINE BURST CACHE

viiiAppendicesAppendix A Model Number DefinitionAppendix B Exploded View DiagramAppendix C Spare Parts ListAppendix D SchematicsAppendix E BIOS P

Page 184

2-34 Service GuideTable 2-4 M1531 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeJ17 MD43 I/O T18 RASJ1 O R15 VCC_C PJ19 MD44 I/O U20 RASJ

Page 185

Major Chips Description 2-35The chip provides two extra IRQ lines and one programmable chip select for motherboardPlug-and-Play functions. The interr

Page 186

2-36 Service Guide• Independent programmable level/edge triggered channels• Counter/Timers• 8254 compatible timers for System Timer, Refresh Request,

Page 187

Major Chips Description 2-37− Hard disk− Floppy− Serial ports− Parallel port− Keyboard− Six programmable I/O groups− Three programmable memory spaces•

Page 188

2-38 Service Guide• L2 cache power down and PCI CLKRUN control logic supported• 21 general purpose input signals, 24 general purpose output signals, 2

Page 189 - VCC BYPASS CAP

Major Chips Description 2-392.2.2.2 Pin Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A NC AD21 AD18CBEJ2 ST

Page 190

2-40 Service Guide2.2.2.3 Numerical Pin ListTable 2-5 M1533 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeA1---- C11 SIDED9 I/O F1 USBCLK

Page 191

Major Chips Description 2-41Table 2-5 M1533 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeB19 PIDED2 I/O E9 AD4 I/O H18 SMBDATA I/OB20 PI

Page 192

2-42 Service GuideTable 2-5 M1533 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeL5 KBDATA I/O P6 VCC P U10 DREQ5 IL8 GND P P15 VCC P U11

Page 193 - Serial Port COM1

Major Chips Description 2-43Table 2-5 M1533 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeW9 MEMRJ I/O E8 AD8 I/O Y13 EXTSW IW10 DACKJ6 O

Page 194 - FAN conn

ixList of Figures1-1 PCB No. 96183-1A Mainboard Layout (Top) ... 1-21-2 PCB No. 96183-1A Mainbo

Page 195

2-44 Service GuideTable 2-5 M1533 Numerical Pin ListNo. Name Type No. Name TypeN12 GND P J17 GPO20/SLEEPJ ON13 GND P P20 GPO21/OFF_PWR0 ON8 GND P P19

Page 196

Major Chips Description 2-45Table 2-5 M1533 Numerical Pin ListNo. Name Type No. Name TypeR20 GPO13/IRQ1O O V7 LA22 I/OR19 GPO14/IRQ12O O T7 LA23 I/OR1

Page 197

2-46 Service GuideTable 2-5 M1533 Numerical Pin ListNo. Name Type No. Name Type No. Name TypeD16 PIDED8 I/O V10 SD8 I/O F1 USBCLK IB16 PIDED9 I/O Y10

Page 198

Major Chips Description 2-472.3 FDC37C672The FDC37C672 is a 100-pin enhanced super l/O controller with Fast IR.2.3.1 Features• 5 Volt Operation• PC97

Page 199

2-48 Service Guide• Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface• Asynchronous Access to Two Data Registers and One Status Register•

Page 200

Major Chips Description 2-492.3.2 General DescriptionThe FDC37C67x with Consumer IR and IrDA v 1.1 support incorporates a keyboard interface,SMC'

Page 201

2-50 Service Guide2.3.3 Pin ConfigurationFigure 2-4 FDC37C67 (TQFP) Pin Diagram

Page 202 - BIOS POST Checkpoints

Major Chips Description 2-51Figure 2-5 FDC37C67 (QFP) Pin Diagram

Page 203 - E-2 Service Guide

2-52 Service Guide2.3.4 Pin DescriptionsTable 2-6 FDC37C67 Pin DescriptionsPin No./QFP Pin Name Type Symbol Buffer TypeProcessor / Host Interface (34)

Page 204 - BIOS POST Checkpoints E-3

Major Chips Description 2-53Table 2-6 FDC37C67 Pin DescriptionsPin No./QFP Pin Name Type Symbol Buffer Type3 Maor On D 1 nMTR0 O224/OD246 Motor On 1 1

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