Fic a440 Service Manual F CHAP4W

Chapter

4

Hardware Functional Overview

4.1 Overview

The A440 is an IBM PC/AT compatible notebook PC which supports the Socket 370 processor family.

The following are the major features that A440 supports.

Microsoft PC99 and ACPI logo approves.

Offers 1024x768 high resolution LCD display with 12.1“ ,13.3”&14.1’’ panel.

Supports the powerful & flexible Power Management modes.

Support PCI 2.1

Support AGP 2.0

Support ACPI 1.0.

Support SMBios 2.3

Support 66/100 MHz CPU Front Side Bus.

Support a proprietary Port Replicator.

4.2 Summary of H/W Related Spec.

This section describes about the key component list that using on A440 machine and it's related marketing specification.

FIC A440 Series Service Manual 4-1

Hardware Functional Overview

Main components block diagram:

Single Socket 370

CPU

Host Bus

CRT

LCD

AC97 CODEC

USB

HDD

VIA

VT8601

ProMedia

PCMCIA BUS

PCI BUS

VIA

VT82C686A

South Bridge

Ti-1225

CardBus

Card power

SDRAM

SODIMM

SOCKET1

SOCKET0

Super IO

Serial Port

Parallel Port

FDD

CDROM

ISA BUS

ROM

BIOS

GlidePad

S/2

FIC A440 Series Service Manual 4-2

KBC

M38867

EXT KB

INT KB

Hardware Functional Overview

System SMBUS block diagram:

SMBUS

2N7002

VIA

VT82C686

VCC SW

SMBUS

DRAM SMBUS SELECT

SELECT

Clock

Battery SMBUS block diagram:

M38867

SMBUS

VCC Always

SDRAM

SOCKET

VCCSW

2N7002

MAX1617

FIC A440 Series Service Manual 4-3

PIC

Battery

Hardware Functional Overview

4.2.1 H/W Key ChipSet List

Controller Chip

Processor Intel Pentium III 650- 850 Mhz Celeron 500 – 667 Mhz

North Bridge VIA ProMedia VT8601

South Bridge VIA ProMedia VT82C686A

VGA Controller Trident Trident 8400 North Bridge Integrated

PCMCIA Controller Ti Ti –1225

Supper I/O Controller VIA South Bridge Integrated

Audio Codec WM WM9701A(AC97 1.03) /WM9703(AC97 2.1)

Audio Amplifier TI TPA0102

Keyboard Controller Mitsubishi M38867

PMU Controller MicroChip PIC-16C62 B ( SSOP )

ROM BIOS Winbond W29C040P

Clock Generator IC Work W156

Temperature Sensor VIA South Bridge embeded

LVDS THC63LVDM63A

MODEM Lucent PCI bus S/W Modem Lucent Mars3

LAN INTEL Intel 82559

Vender Description

FIC A440 Series Service Manual 4-4

Hardware Functional Overview

p

4.3 Summary Of BIOS Spec.

Controller Chip

BIOS Feature

CPU

DRAM

Cache

Shadow

Display

Hard Disk

Multi Boot

Plug and Play

Smart Battery

Keyboard Controller

PCMCIA

Port Replicator

Pointing stick

Description

 Boot Block / Crisis Rescue  APM 1.2 Compliance  Support PCI 2.1 Spec  Support Win98,Win2000.  Support flash function for new BIOS update  Support 3 Mode FDD  Support DMI 2.0 spec. (SMBIOS 2.3)  Support ACPI 1.0 spec.  Support AGP 2.0.  Support maximal 4 different keyboards on same bios.

Auto detect the CPU type and speed for the Socket 370 or Slot 1based system

Auto sizing and detection. Support PC-100 SDRAM.

 Level 2 Sync/Async PBSRAM auto sizing and detection  Always enable CPU L1 and external L2 cache.

Always enable VGA and System BIOS shadow

 System auto detects LCD or CRT presence on boot and lid closed.  Support Panning while LCD in a display resolution greater than supported  Support Microsoft Direct 3D  Enhanced IDE spec.  Support auto IDE detection.  Support LBA mode for larger capacity HDD.  Support 32-bit PIO transfer.  Support Multi-sector transfer.  Support Fast PIO mode 1-4 transfer.  Support Ultra DMA 33.

Allow the user to select boot from FDD, HDD, CD-ROM

Support PnP Run Time Service and conflict-free allocation of resource during POST

Support BIOS interface to pass battery information to the application via SMBus.

Support Fn hot keys, two Windows hot keys, built-in Glide Pad and external PS/2

mouse/keyboard

Compliant with PCMCIA 2.1 specification.

I/O port replicator duplicates the following ports

 Video port  Printer port  COM1 port  PS/2 Mouse & Standard Keyboard port  USB Port  DC In Jack

The pointing stick device is the small red knob ( it looks lie a pencil eraser ) that sits

just below the [G] and [H] keys of your keyboard. This pressure-sensitive device translates the pressure of your fingertip on the knob into movement of the cursor. Shift the

ressure of your fingertip slightly in the direction in which you want to move the

FIC A440 Series Service Manual 4-5

Power Management Support

Hardware Functional Overview

cursor. The two switches below the touchpad serve as the left and right mouse buttons and can be used with either the pointing stick or the touchpad.

The power management is compliant with APM 1.2 specification and supports the

following power state:

 On Mode  Doze Mode (This mode is transparent to user)  Suspend to RAM (STR) Mode  Suspend to Disk (STD) Mode  Off Mode ( Also support Soft-Off Mode, SOff)

FIC A440 Series Service Manual 4-6

Hardware Functional Overview

4.4 System

4.4.1 System Memory

The system main memory consists of SDRAM on 64-bit bus. The memory size options range from

32/64/128 MB upward. The BIOS will automatically detect the amount of memory in the system and

configure CMOS accordingly during the POST (Power-On-Self-Test) process. This must be done in a way

that requires no user interaction.

DRAM Combination Configuration

Base SO-DIMM DRAM slot Expansion SO-DIMM DRAM slot Total Size

(Bank 0&1) (Bank 2&3)

32MB NIL 32MB

32MB 32MB 64MB

32MB 64MB 96MB

32MB 128MB 160MB

64MB NIL 64MB

64MB 32MB 96MB

64MB 64MB 128MB

64MB 128MB 192MB

128MB NIL 128MB

128MB 32MB 160MB

128MB 64MB 192MB

128MB 128MB 256MB

NIL 32MB 32MB

NIL 64MB 64MB

NIL 128MB 128MB

4.4.2 Video

The Video subsystem used share memory of Video memory. The system will support the ZV port,

simultaneous display, monitor sense for auto display on boot and VESA Super VGA function call.

Supported Video Mode

The following is all the display modes supported by the Trident 8400 in CRT only, panel only and simultaneous

mode. The VGA BIOS will allow mode sets of resolutions greater than the panel size but only show as much mode

display as will fit on the panel.

FIC A440 Series Service Manual 4-7

Hardware Functional Overview

Supported standard VGA modes:

Mode Pixel Resolution Colors Dot Clock Horiz.Freq. Vert. Freq.

0, 1 320*400 16 27.175 Mhz 31.5 Khz 70 Hz

0*, 1* 320*350 16 25.175 Mhz 21.85 Khz 60 Hz

0+, 1+ 360*400 16 28.322 Mhz 31.5 Khz 70 Hz

2, 3 640*200 16 25.175 Mhz 31.5 Khz 70 Hz

2*, 3* 640*350 16 25.175 Mhz 21.85 Khz 60 Hz

2+, 3+ 720*400 16 28.322 Mhz 31.5 Khz 70 Hz

4, 5 320*200 4 25.175 Mhz 31.5 Khz 70 Hz

6 640*200 2 25.175 Mhz 31.5 Khz 70 Hz

7 720*400 Mono 28.322 Mhz 31.5 Khz 70 Hz D 320*200 16 25.175 Mhz 31.5 Khz 70 Hz E 640*200 16 25.175 Mhz 31.5 Khz 70 Hz

F 640*350 Mono 25.175 Mhz 31.5 Khz 70 Hz

10 640*350 16 25.175 Mhz 31.5 Khz 70 Hz 11 640*480 2 25.175 Mhz 31.5 Khz 60 Hz 12 640*480 16 25.175 Mhz 31.5 Khz 60 Hz 13 320*200 256 25.175 Mhz 31.5 Khz 70 Hz

Supported extended video modes:

VESA Mode Pixel Resolution Colors Dot Clock Horiz.Freq. Vert. Freq.

100 640*400 256 25.175 Mhz 31.5 Khz 70 Hz 101 640*480 256 25.175 Mhz

31.5 Mhz

36.0 Mhz

103 800*600 256 40.0 Mhz

49.5 Mhz

56.25 Mhz

105 1024*768 256 65.0 Mhz

75.359 Mhz

78.75 Mhz 10D 320*200 32K 25.175 Mhz 31.5 Khz 70 Hz 10E 320*200 64K 25.175 Mhz 31.5 Khz 70 Hz

110 640*480 32K 25.175 Mhz

31.5 Mhz

36.0 Mhz

111 640*480 64K 25.175 Mhz

31.5 Mhz

36.0 Mhz

112 640*480 16M 25.175 Mhz

31.5 Mhz

36.0 Mhz

113 800*600 32K 40.0 Mhz

49.5 Mhz

56.25 Mhz

114 800*600 64K 40.0 Mhz

49.5 Mhz

56.25 Mhz

115 800*600 16M 40.0 Mhz

49.5 Mhz

56.25 Mhz

116 1024*768 32K 65.0 Mhz 48.3 Khz 60 Hz

31.5 Khz

37.5 Khz

43.3 Khz

37.8 Khz

46.9 Khz

53.7 Khz

48.3 Khz

56.746 Khz

60.0 Khz

31.5 Khz

37.5 Khz

43.3 Khz

31.5 Khz

37.5 Khz

43.3 Khz

31.5 Khz

37.5 Khz

43.3 Khz

37.8 Khz

46.9 Khz

53.7 Khz

37.8 Khz

46.9 Khz

53.7 Khz

37.8 Khz

46.9 Khz

53.7 Khz

FIC A440 Series Service Manual 4-8

60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz

60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz 60 Hz 75 Hz 85 Hz

Hardware Functional Overview

75.359 Mhz

78.75 Mhz

117 1024*768 64K 65.0 Mhz

75.359 Mhz

78.75 Mhz

120 320*240 256 25.212 Mhz 31.5 Khz 60 Hz 121 320*240 64K 25.212 Mhz 31.5 Khz 60 Hz 122 400*300 256 40.091 Mhz 37.965 Khz 60 Hz 123 400*300 64K 40.091 Mhz 37.965 Khz 60 Hz 124 512*384 256 65.028 Mhz 48.384 Khz 60 Hz 125 512*384 64K 65.028 Mhz 48.384 Khz 60 Hz

56.746 Khz

60.0 Khz

48.3 Khz

56.746 Khz

60.0 Khz

75 Hz 85 Hz 60 Hz 75 Hz 85 Hz

Panel Type Initialization

The VGA BIOS will issue INT 15h function call during POST. This function call allows the system BIOS to specify the panel type to the VGA BIOS. The system BIOS should get the panel type from GPI pins before the VGA chip initialized, and passes this information to VGA BIOS through INT 15 Function 5F00h.

LCD Panel ID pin Definition:

GPI Pins

GPI [18] GPI [10] GPI [9]

Panel Type

0 0 0 Reserved

0 0 1 Type 5

0 1 0 Reserved

0 1 1 Type 2

1 0 0 Type 3

1 0 1 Type 4

1 1 0 Type 1

1 1 1 Type 0

Supported

LCD panel

type: Panel

Type

Type 0 1024*768 14.1” TFT LG

Type 1 1024*768 14.1” TFT Hitachi

Type 2 1024*768 13.1” TFT Acer

Type 3 800*600 12.1” TFT Sanyo

Type 4 1024*768 14.1” TFT CPT

Type 5 800*600 12.1” DSTN Panasonic

Display Size Panel Description

4.4.3 Enhanced IDE

The system BIOS supports 4 IDE devices on two controllers up to 8 GB capacity. The BIOS support Ultra DMA 33 and also supports automatic configuration of drives using both the LBA and CHS large drive remapping method. In addition to supporting standard drives through an auto-configuration process that

FIC A440 Series Service Manual 4-9

Hardware Functional Overview

does NOT require user involvement or confirmation. The system should automatically do this at POST time in a way that is transparent to the user. If a drive is connected to the bus, the drive should be automatically recognized, configured and available for use under MS-DOS 6.2x.

4.4.4 Audio

The audio subsystem will support the requirements identified by the AC’97 specification. Both software and hardware will control the volume level for the internal audio subsystem. In addition to volume control, the user will be able to mute the sound to completely cut off the volume using both software and hardware.

4.4.5 Super I/O

This controller contains 16550A or FIFO Enabled UART, ECP/Standard/Bi-directional Parallel Port meeting the 1284 specification.

4.4.6 PCMCIA

Support for 2 separate CardBus slots (one type III or two type II stacked).



Individually accessed, dual-buffer implemented.



Support for 3.3v, 5v and 12v (flash programming) cards.



4.4.7 LED Indicator

System Status LED (LCD panel side)

Indicator Function Description

Power LED

Battery Charging LED

System Status LED (Main system side)

Green – System is powered on.

Yellow – Battery warning. (When plug-in AC the power LED will turn Green)

Amber – Battery low. (When plug-in AC the power LED will turn Green)

This LED will blink during the system is in Suspend to RAM mode.

Amber – Battery is under charging mode

Turn off – Battery full charged or no battery

Indicator Function Description

IDE accessing LED

Device Bay accessing LED

Caps Lock LED

Scroll Lock LED

Num Lock LED

This LED will turn on while accessing the HDD.

This LED will turn on while accessing the FDD

This LED will turn on when the function of CapsLock is active.

This LED will turn on when the function of Scroll Lock is active.

This LED will turn on when the function of NumLock is active.

FIC A440 Series Service Manual 4-10

Hardware Functional Overview

4.4.8 Hot Keys Definition

All Hot keys must be active at all times under all operation systems.

Hot Keys by Internal Keyboard

Hot Key Function

Fn + F1 Places the LCD display into a standby mode.

Fn + F2

Fn + F5

Fn + F6 Decreases screen brightness.

Fn + F7 Increase screen brightness.

Fn + F8 Decrease screen contrast.

Fn + F9 Increase screen contrast.

Fn + F10 Mutes system audio.

If an external monitor is present, pressing this hot key combination toggles the display between the built-in LCD screen, the external monitor and simultaneous display on both screens.

Toggles between expanded and non-expanded views when the computer is set to the 640x480 resolution.

4.4.9 Port Replicator

The Port Bar duplicates the following ports from the Notebook:

 CRT port

 Printer port

 COM1 port

 PS/2 Mouse port

 Standard Keyboard port

 USB Port

 DC in Jack

4.4.10 Plug & Play

The BIOS supports the Plug and Play Specification 1.0A. (Include ESCD) This section describes the device management. The system board devices and its resources are as follows.

Device Connect Type Resources

I/O IRQ DMA Memory

DMA Controller Static 00~0F, 81~8F - DMA4 -

Interrupt Controller Static 20~21, A0~A1 IRQ2 - -

System Timer Static 40~43 IRQ0 - -

RTC Static 70~71 IRQ8 - -

ISA Bus Static - - - -

System Speaker Static 61 - - -

System Board Static - - - E0000~FFFFF

PnP Mother Board Static 80 - - -

Keyboard Controller Static 60, 64 IRQ1 - -

FIC A440 Series Service Manual 4-11

Hardware Functional Overview

Math Coprocessor Static F0~FF IRQ13 - -

PS/2 Mouse Enable/Disable - IRQ12 - -

Video Controller Static 3B0~3BB,

3C0~3DF

Serial Port Static 3F8~3FF IRQ4 - -

ECP, Parallel port Static 378~37F, 778~77F IRQ7 DMA1 -

FDC Static 3F0~3F5, 3F7 IRQ6 DMA2 -

Dual IDE Controller Static 170~177, 1F0~1F7, 3F6

CardBus Controller Static 3E0~3E1 IRQ 10 - 08000000~08001FFF

FAX/Modem Static 1050~1057, 1400~14FF IRQ 5 - 64000000~640000FF

LAN Static 1080~10FF IRQ 5 - 08003000~080033FF

SIR Static 2F8-2FF, 108~10F IRQ 3 DMA0 -

USB Host Controller Static EF80~EF9F IRQ5 - -

Audio Controller Static IRQ 5

IRQ 5 - A0000~BFFFF,

C0000~C9FFF,

FE800000~FEBFFFFF

IRQ14,

15

- -

PCI Device

IDSEL Pin Allocation:

IDSEL Pin PCI Device

Device Number Function Number Device Name

AD11 Device 00 Function 0 VT8601 Host to PCI bridge.

AD12 Device 01 Function 0 VT8601 PCI to PCI bridge.

AD17 Device 06 Function 0 MODEM / LAN

Function 0 VT82C686A – PCI to ISA bridge

Function 1 VT82C686A – IDE interface

Function 2 VT82C686A – USB Port 0-1 Interface

AD18 Device 07 Function 3 VT82C686A – USB Port 2-3 Interface.

Function 4 VT82C686A – PMU and SMBus interface

Function 5 VT82C686A – AC97 Audio Interface.

Function 6 VT82C686A – AC97 Modem Interface.

AD21 Device 0A Function 0 Card Bus Socket A

Function 1 Card Bus Socket B

INT Pin Allocation:

INT Pin PCI Device

INTA CardBus

INTB Modem / LAN

INTC VGA/Audio

INTD USB

FIC A440 Series Service Manual 4-12

Hardware Functional Overview

PCI bus master Allocation:

REQ# Pin PCI Device

REQ 0 CardBus

REQ 1 VGA

REQ 2 Audio

REQ 3 Modem / LAN

4.4.11 SMBus Devices

The SMBus is a two-wire interface through which the system can communicate with power-related chips. The BIOS should initialize the SMBus devices during POST.

SMBus Device Host/Slave Address BIOS Need to Initialize

VIA VT82C686A Both Host and Slave 10h Enable SMBus interface and SMBus interrupt

PIC16C62 – Micro P Both Host and Slave 04h No need

IMISC671 – Clock Synthesizer Slave D2h Program the desired clock frequency (Pin23

output 24MHz, Pin22 output 48MHz)

BQ 2040 – Smart Battery Both Host and Slave 16h No need

4.4.12 Resource Allocation

I/O Map

Hex Address Device

000 – 01F 8237-1

020 – 021 8259-1

022 VIA VT82C686A

040 – 05F 8254

060 – 06F Keyboard Controller

070 – 07F RTC & NMI Mask

080 – 08F DMA Page Registers

092 System Control Port

0A0 – 0A1 8259-2

0C0 – 0DF 8237-2

0F0 – 0FF Math Coprocessor

170 – 177 Secondary IDE Controller

1F0 – 1F7 Primary IDE Controller

200 – 20F Game Port

220 – 22F Sound Blaster

279 PnP configuration – Address port

2F8 – 2FF FIR

FIC A440 Series Service Manual 4-13

330 – 333 MIDI

370 – 371 Sound chip control port

378 – 37A Parallel Port

388 – 38B FM Synthesizer

398 – 399 Super I/O Chip

3B0 – 3DF Video Controller

3E0 – 3E1 PCMCIA Controller

3E8 – 3EF Fax/Modem

3F0 – 3F7 Floppy Disk Controller

3F8 – 3FF Serial Port 1

530 – 537 Windows Sound System

778 – 77B ECP port

A79 PnP configuration – Write data port

CF8 – CFC PCI BUS configuration register

ISA DMA Map

Hardware Functional Overview

DMA Channel Device

DMA 0 Unused

DMA 1 ECP

DMA 2 Floppy Disk

DMA 3 Audio

DMA 4 [Cascade]

DMA 5 Unused

DMA 6 Unused

DMA 7 Unused

Memory Map

Address Range Length Description

00000 ~ 9F7FFh 638KB Base Memory

9F800 ~ 9FFFFh 2 KB Extended BIOS Data Area

A0000 ~ BFFFFh 128 KB Video Memory

C0000 ~ C9FFFh 40 KB Video ROM

CA000 ~ DFFFFh 88 KB Unused

E0000 ~ FFFFFh 128 KB System ROM BIOS

IRQ Map

IRQ#

IRQ 0 System Timer

IRQ 1 Keyboard

IRQ 2 [Cascade]

IRQ 3 SIR

FIC A440 Series Service Manual 4-14

Description

Hardware Functional Overview

IRQ 4 Serial Port

IRQ 5 Audio / VGA / USB / (LAN/MODEM)

IRQ 6 Floppy Disk Drive

IRQ 7 Parallel Port

IRQ 8 RTC Alarm

IRQ 9 Reserved for PCMCIA card

IRQ10 Cardbus

IRQ11 Reserved for PCMCIA card

IRQ12 PS/2 Mouse

IRQ13 FPU

IRQ14 Hard Disk Drive

IRQ15 CDROM or DVD

4.4.13 GPIO Pin Assignment

The GPI and GPO pins connected to system devices. The BIOS can get device’s status and control the device via the GPI and GPO pins.

PMU and GPIO Signal description

Pin Name

GPI [0]

GPI [1]

GPI [2]

GPI [3]

GPI [4]

GPI [5]

GPI [6]

GPI [7]

GPI [8]

GPI [9]

GPI [10]

GPI [11]

GPI [12]

GPI [13]

GPI [14]

GPI [15]

GPI [16]

GPI [17]

GPI [18]

GPI [19]

GPI [20]

GPI [21]

GPI [22]

GPI [23]

Signal Name Description Components

LS120IN# LS120 module inside. VT82C686A PSCI# System control interrupt for ACPI events VT82C686A  M38867

PWRBTN# Power button release check VT82C686A PWSCI# System control interrupt for wake-up events VT82C686A  M38867

IRQ 6 Assign to IRQ 6. VT82C686A

PME# PME# VT82C686A

CLRTC# Clear RTC VT82C686A

RING# Ring indicate VT82C686A

NC

LCDID0 LCD Panel ID Pin 0 VT82C686A

LCDID1 LCD Panel ID Pin 1 VT82C686A

NC

KBID0 Keyboard type data 0 VT82C686A

KBID1 Keyboard type data 1 VT82C686A

LCDID 2 LCD Panel ID Pin 2 VT82C686A

BATT_CHG Battery Charge LED Indicator VT82C686A

CDIN# CDROM module inside VT82C686A

DVDIN# DVD module inside VT82C686A

NC

FIC A440 Series Service Manual 4-15

GPO [0]

GPO [1]

GPO [2]

GPO [3]

GPO [4]

GPO [5]

GPO [6]

GPO [7]

GPO [8]

GPO [9]

GPO [10]

GPO [11]

GPO [12]

GPO [13]

GPO [14]

GPO [15]

GPO [16]

GPO [17]

GPO [18]

GPO [19]

GPO [20]

GPO [21]

GPO [22]

GPO [23]

EXTSMI#

RSMRST#

PWRBTN#

SDA

SCL

P40

P54

P55

P56

P57

P60

P62

P64

P66

MCLR

RA5

RA1

RB0

RA4

RB2

Hardware Functional Overview

NC

NC STR# Suspend to ram. VT82C686A  PIC

SUSSTAT1# Susoend status 1 VT82C686A

CPUSTP# CPU stop clock VT82C686A

PCISTP# PCI stop clock VT82C686A

NC

DRAMEN# Select SO0DIMM Dram socket I2C Bus A or B. VT82C686A

NC

L2ZZNC Power down L2 Cache VT82C686A

PORT80CS# Read/Write Port 80H VT82C686A

MCCS# ACPI chip select VT82C686A

IRTX# SIR VT82C686A

IRRX# SIR VT82C686A

HDDREST# HDD reset. VT82C686A

CdromReset# CDROM reset. VT82C686A

NC

SERIRQ Serial interrupt request VT82C686A

FANON# Power on FAN. VT82C686A

PDCOM# Power down COM VT82C686A

PDAMP# Power down audio amplifier VT82C686A STANDBY# Inform to PIC the system is in Standby mode VT82C686A  PIC EXTSMI# External SMI signal VT82C686A  M38867 RSMRST# Reset internal suspend logic(resume reset) VT82C686A  PIC PWRBTN# Power button for VT82C686A VT82C686A  PIC SMBCLK SM bus clock M 38867  PIC SMBDATA SM bus data M 38867  PIC

KBCEXTSMI# Keyboard SMI# M38867 BATLOW# Battery low signal M38867  PIC

LID# LCD lid closing M38867

CONADJ# Panel contrast vary M38867

BACKADJ# Panel backlight brightness vary M38867

IDA# Battery Inside. M38867

WAKEUP# SM bus Alert M38867,PIC

ACIN# Adapter plug-in detect M38867, PIC

PME# M38867

PICRESET# Reset PIC16C62 PIC

PWRON Enable system power PIC

LEDBATL# Battery low led indicate PIC

PWRSW# Power switch for PIC PIC

RSTGATE Reset gate for wakeup inhibit reset PIC

VEEENA Enable panel form PIC PIC

FIC A440 Series Service Manual 4-16

Hardware Functional Overview

RB3

LEDSUSP# Suspend led indicate PIC

VT82C686A GPI pins signal

See H/W Function Specification for detail.

VT82C686A GPO pins signal

See H/W Function Specification for detail.

M38867 I/O port signal

See H/W Function Specification for detail.

PIC I/O port signal

4.5 Power Management

See H/W Function Specification for detail.

4.5.1 General Requirements

The BIOS must meet the following general Power Management requirements:

Comply with APM 1.2 Spec.



Full APM Support for Windows 95 Fuel Gauge and Power Management functionality.



Support for Suspend-to-RAM and Suspend-to-Disk mode.



Support for Resume on Modem Ring while in STR Mode. This is enabled by a CMOS setup option.



Support resume on Time.



4.5.2 System Power Plane

Power Group

B+ Nil IMM, (9V~20V)

5V

ALWAYS

3V

ALWAYS

RTCVCC Nil RTC

+12V PWRON PCMACIA card

+5V PWRON M38867, MAX 3243, PCMCIA Slot( 5V VCC)

+3V PWRON VGA, Video RAM, PCMCIA chip, PCMCIA Slot(3V), DRAM

+3VS SUSB# Audio, Clock Generator, FIR(IMI651 SCLK), TAG RAM, PCI interface, Super-IO

Power Control

Nil PIC 16C62A

Nil RTC I/F, Internal modem ring

Controlled Devices

FIC A440 Series Service Manual 4-17

Hardware Functional Overview

+5VS SUSB#

4.5.3 Power management mode

Full-On mode

The System State where no devices are power managed and the system can respond to applications with maximum performance.

Doze mode

The CPU clock is slow down and all other devices are full on.

Suspend to RAM (STR) mode

A suspend state where all motherboard components are powered-off. The CPU/L2 and PCI busses are powered off. All devices connected to the CPU/L2 and PCI busses must either be powered-off or isolate their bus interfaces. The system memory(include graphics frame buffer) is powered and refreshed by the Memory Bridge. The system provides a 32kHz clock (SUSCLK) in this suspend mode to support refresh of these memory subsystems. Only an enabled “resume event” can bring the platform out of the Suspend to RAM (STR) state.

HDD, CD-ROM, USB, Internal K/B, Glide Pad, External P/S2 Mouse, FDD, Audio AMP, BIOS ROM

Suspend to disk (STD) mode

A suspend state where the context of the entire system is saved to disk, all motherboard components are powered-off, and all clocks are stopped. Any enabled “resume event”, such as PowerBTN or RTC, can bring the platform out of the Suspend to disk (STD) state.

Soft off (SOFF) mode

This is the same as suspend to disk except the context of memory is not saved.

Mechanical off (MOFF) mode

All power except the RTC has been removed from the system.

FIC A440 Series Service Manual 4-18

Hardware Functional Overview

4.5.4 PMU mode transition flow

* Idle time expire

Activity monitor:

Keyboard, VGA, Audio, Mouse, Parallel port,

Lid switch

Full On

Press power button to Soff

COM port

Idle time expire

Lid switch

Suspend time expire

Lid switch

IRQ [1~15]

Doze

Select

STR or STD

Select STD

Battery OK

P Check

Battery is

Battery low

Ring in

Power button

RTC alarm

STD/Soff

Remove AC

Select STR

Battery low to STD

Moff

STR

Ring in

Sleep Button

RTC alarm

FIC A440 Series Service Manual 4-19

adapter and all

battery

Plug in AC adapter or

battery and press

power button

Hardware Functional Overview

4.5.5 PMU mode transition event

The following table summarizes the entry events and wake-up events of each power state

Power State

Doze Doze Time out Predefined Mem/IO range access

STR Suspend Time out

STD Suspend Time out

Soft Off Sleep button

Entry Event

Lid close

Sleep button

STR hotkey pressed.

Battery Low

Fn + Sleep Button

Execute Windows shutdown

command

Wake up Event

Ring Indicator

Keystroke(Int., Ex. and USB keyboard)

Mouse movement

IRQ 1-15

Sleep Button

Ring Indicator

Schedule Alarm

Battery Low

Lid Open

Sleep Button

Schedule Alarm

Sleep Button

Schedule Alarm

4.5.6 Lid Switch

Warning!!When operating your notebook with an external video device(CRT or TV), you should not close the LCD

panel of the Notebok.

Closing the LCD panel will block the ventilation system and can cause overheating and system.

Display Mode Power State Lid Close Lid Open

LCD

Full on STR Resume STR No active Resume STD No active No active

CRT

Full on No active No active STR No active Resume STD No active No active

Both

Full on CRT Both STR No active Resume STD No active No active

4.5.7 Power/Sleep Button

The Power/Sleep Button can work as Power Button or Sleep Button, the working mode is selected by CMOS setup menu.

Working Mode

OFF Full on Doze Stand by STR STD

Power State

FIC A440 Series Service Manual 4-20

Hardware Functional Overview

Power on/off Power on Power off Power off Power off Full on Full on

Suspend Power on STR/STD* STR/STD STR/STD Full on Full on

Note: As pressed Sleep button over 4 sec, the system will force to power off.

*The mode of STR/STD can be selected via CMOS setup.

4.5.8 Device Power management

Power state of local devices table

PowerState

Component

CPU Stop Grant Stop Clock Power Off Power Off

VT8601 ON Stop Clock Power Off (except Vcc) Power Off

VT82C686A ON ON

DRAM ON Self Refresh Self Refresh Power Off

L2 CACHE ON Power down Power Off Power Off

CDROM ON Power down Power Off Power Off

HDD ON Power down Power Off Power Off

FDD ON Power down Power Off Power Off

KBC ON ON Power down Power Off

PIC 16C62A ON ON Power down Power down

VGA ON Power down Power down Power Off

O2 6833 (PCMCIA) ON Power down Power down Power Off

Sound ON Power down Power Off Power Off

LCD Backlight ON Power down Power Off Power Off

Serial (UART1) ON Power down Power down Power Off

LAN ON Power down Power down Power Off

Modem ON Power down Power down Power down

Parallel ON Power down Power Off Power Off

Doze Stand By STR STD/SOff

Power Off (except

SUSVcc, RTCVcc )

Power Off (except

SUSVcc, RTCVcc)

Device PM control during Stand by mode

Device Power Down Controlled by Description

CPU Hardware Controlled by SUS_STAT1# pin

VT8601 Hardware Controlled by SUS_STAT1# pin

VGA Chip Software Enter PCI PM D3 state

PCMCIA Controller Software Enter PCI PM D3 state

KBC Working

FDD Software FDD support power down command

HDD Software HDD support power down command

CD-ROM Software CD-ROM support power down command

Audio AMP Software Controlled by GPO[22] pin

Modem Software Enter PCI PM D3hot state

LAN Software Enter PCI PM D3hot state

FIC A440 Series Service Manual 4-21

Hardware Functional Overview

LCD Backlight Hardware Controlled by VGA chip(FPBACK pin)

Clock Synthesizer Hardware Controlled by CPUSTP# and PCISTP# pin

PIC 16C62A Working

MAX3243(RS232 Transceiver) Software Controlled by GPO[21] pin

L2 CACHE Software Controlled by GPO[3] pin

Device PM control during STR mode

Device Power Down Controlled by Description

VT8601 Hardware Controlled by SUS_STAT1# pin

Super I/O Hardware Power off

VGA Chip Software Controlled by VT8501

HDD Hardware Power off

CD-ROM Hardware Power off.

PCMCIA Controller Hardware Controlled by PCI Bus.

Modem Software Power off

LAN Hardware See H/W Spec Chapter 18.

FDD Hardware Power off

Audio AMP Hardware Power off

LCD Backlight Hardware Power off

Clock Synthesizer Hardware Power off

KBC Software Controlled by M38867 power down command

MAX3243(RS232 transceiver ) Hardware Controlled by GPO [21] Pin

L2 CACHE Hardware Power off

PIC 16C62A Software Controlled by PIC 16C62A power down command

Device PM control during STD mode

Device Power Down Controlled by Description

VT8601 Hardware Power off

Super I/O Hardware Power off

VGA Chip Hardware Power off

HDD Hardware Power off

CD-ROM Hardware Power off

PCMCIA Controller Hardware Power off

Modem Hardware Supply ring power

LAN Hardware Power off

FDD Hardware Power off

Audio AMP Hardware Power off

LCD Backlight Hardware Power off

Clock Synthesizer Hardware Power off

KBC Hardware Power off

MAX3243(RS232 transceiver ) Hardware Power off

L2 CACHE Hardware Power off

PIC 16C62A Software Controlled by PIC 16C62A power down command

FIC A440 Series Service Manual 4-22

Hardware Functional Overview

4.6 ACPI

4.6.1 General Requirements

The BIOS must meet the following general Power Management requirements:

 Refers to the portion of the firmware that is compatible with the ACPI specifications.

 Support for Suspend-to-RAM (S3 state) and Suspend-to-Disk mode (S4 state).

 Support the Wake up event from Modem Ring in S2~S5 state. This is enabled by a ACPI driver or application.

 Support the Wake up event from RTC Time/Date alarm in S2~S5 state. This is enabled by a CMOS Setup option.

 Power Management must not substantially affect or degrade system performance.

4.6.2 Global System State Definitions

Global system states (Gx states) apply to the entire system and are visible to the user.

Following is a list of the system states:

G2/S5 - Soft Off:

Power is removed from most of system components except Suspend wakeup logic in PIC and RTC.

Wake up event refer to section 6.5

G1 - Sleeping:

CPU in stop clock mode (core logic in stop clock mode also)

Clock chip in Power down Mode

VGA chip enter suspend mode, LCD power is removed,

PCMCIA chip enter sleep mode,

Hard disk enter sleep mode,

CD-ROM enter sleep mode,

Modem in power down mode,

LAN is in power down mode

G0 - Working:

A computer state where the system dispatches user mode (application) threads and they execute. In this state, devices (peripherals) are dynamically having their power state changed. The user will be able to select (through some user interface) various performance/power characteristics of the system to have the software optimize for performance or battery life. The system responds to external events in real time. It is not safe to disassemble the machine in this state.

4.6.3 Sleeping State Definitions

Sleeping states (Sx states) are types of sleeping states within the global sleeping state, G1. The Sx states are briefly defined below. For a detailed definition of the system behavior within each Sx state, refer to ACPI specification section 7.5.2. For a detailed definition of the transitions between each of the Sx states, refer to ACPI specification section 9.1.

S1 Sleeping State:

FIC A440 Series Service Manual 4-23

Hardware Functional Overview

The S1 sleeping state is a low wake-up latency sleeping state. In this state, no system context is lost (CPU or chip set) and hardware maintains all system context.

S2 Sleeping State:

The S2 sleeping state is a low wake-up latency sleeping state. This state is similar to the S1 sleeping state except the CPU and system cache context is lost (the OS is responsible for maintaining the caches and CPU context). Control starts from the processor’s reset vector after the wake-up event.

S3 Sleeping State:

The S3 sleeping state is a low wake-up latency sleeping state where all system context is lost except system memory. CPU, cache, and chip set context are lost in this state. Hardware maintains memory context and restores some CPU and L2 configuration context. Control starts from the processor’s reset vector after the wake-up event.

S4 Sleeping State:

The S4 sleeping state is the lowest power, longest wake-up latency sleeping state supported by ACPI. In order to reduce power to a minimum, it is assumed that the hardware platform has powered off all devices. Platform context is saved in disk.

S5 Soft Off State:

The S5 state is similar to the S4 state except the OS does not save any context nor enable any devices to wake the system. The system is in the “SOFF” off state and requires a complete boot when awakened. Software uses a different state value to distinguish between the S5 state and the S4 state to allow for initial boot operations within the BIOS to distinguish whether or not the boot is going to wake from a saved memory image.

4.6.4 Power States

From a user-visible level, the system can be thought of as being one of the states in the following diagram:

Power

Legacy

Failure

G3 -Mech

Off

G0 (S0) Working

D0

D1

Modem

D3

D2

D0

D1

D2

HDD

D3

Wake Event

D0

D2

D1

C0

CDROM

D3

C0

Sleeping

CPU

C3

C2

C1

BIOS

Routine

S4

S3

S2

S1

G1 -

G2 (S5) -

Soft Off

FIC A440 Series Service Manual 4-24

Hardware Functional Overview

Figure: Global System Power States and Transitions

4.6.5 Power States transition event

The following table summarize the entry events and wake-up events of each power

Power State Entry Event Wake up Event

S1 OSPM* control Predefined Mem/IO range access

Ring Indicator Keystroke IRQ1-15 SMI# / ACPI SCI# / USB

S2 OSPM control Predefined Mem/IO range access

Battery Warning Battery Low Ring Indicator Keystroke (Int., Ex. And USB keyboard ) Mouse movement Schedule Alarm SMI# / ACPI SCI# / USB

S3 OSPM control,

Sleep Button, Lid Close

S4 OSPM control,

S5 OSPM control,

Power Button

Sleep button Ring Indicator Schedule Alarm Lid Open PME# Battery Low Sleep Button Ring Indicator Schedule Alarm

*OSPM: OS-directed Power Management

4.6.6 Lid Switch

The function of Lid Switch is depends on the ACPI aware OS.

4.6.7 Power/Sleep Button

The function of Power/Sleep Button is depends on the ACPI aware OS.