Acer big bear 2a Schematics

5

Big Bear 2 Block Diagram

D D

CLK GEN.

RTM875N-606-VD

3

DDR2 DIMM1

667/800 MHz

667/800MHz

12

DDR2 DIMM2

667/800 MHz

C C

INT.MIC

35

Line In

35

MIC In

35

35

B B

INT.SPKR

35

Line Out
(SPDIF)

RJ11

A A

5

667/800MHz

13

Codec

ALC888S
VC

33

OP AMP

G1431Q

34

OP AMP
G1412

34

MODEM

MDC Card

BIOS/DASH
2Mb

25

37

AZALIA

SPI

1st HDD SATA
2nd HDD SATA

ODD SATA

Mobile CPU

Penryn

HOST BUS 667/800/1067MHz@1.05V

Cantiga

AGTL+ CPU I/F
DDR Memory I/F

INTEGRATED GRAHPICS

LVDS, CRT I/F

X4 DMI
400MHz

ICH9M

6 PCIe ports

PCI/PCI BRIDGE

ACPI 2.0
4 SATA

12 USB 2.0/1.1 ports

ETHERNET (10/100/1000MbE)

High Definition Audio

LPC I/F

Serial Peripheral I/F

Matrix Storage Technology(DO)

Active Managemnet Technology(DO)

Blue Tooth
(USB)

SATA

24

SATA

24

4

4, 5

6,7,8,9,10,11

C-Link0

19,20,21,22

USB

25

4

THERMAL EMC2102

23

PCIex16

PCIex1

PCIex1

PCIex1

PCIex1

LPC BUS

Camera
(USB)

USB
4 Port

15

26

Giga LAN

BCM5764MKMLG

New card

KBC

WPC775

Touch
Pad

36 36

Finger
Printer

CardReader
Realtek
RTS5158E

CRT

LCD

HDMI

MXM CONN

28

31

36

INT.
KB

3

17

15

18

TXFM RJ45

29 29

PWR SW
G577BR91U

Mini Card

a/b/g/n

Kedron

Mini Card

a/b/g/n

Kedron

BIOS

MX25L16
W25X16
16M Bits

37

Launch
Buttom

14

CIR

36

MS/MS Pro/xD
/MMC/SD

5 in 1

27

3

30

LPC

DEBUG
CONN

2

Project code: 91.4AV01.001
PCB P/N : 48.4AV01.
REVISION : SC

1

SYSTEM DC/DC

TPS51125

INPUTS

DCBATOUT

OUTPUTS

5V_S5
3D3V_S5

43

PCB STACKUP

TOP

VCC

S

S

GND

BOTTOM

32

31

32

SYSTEM DC/DC

TPS51124

INPUTS OUTPUTS

DCBATOUT

RT9026

1D8V_S3

RT9018A

1D8V_S3 1D5V_S0

G9131

3D3V_S0 2D5V_S0

GFXCORE DC/DC

ISL6263
INPUTS

DCBATOUT

1D05V_S0
1D8V_S3

DDR_VREF_S0

DDR_VREF_S3

OUTPUTS

VGFXCORE

0.7~1.25V

45

44

44

44

46

CPU DC/DC

ISL6266A

CHARGER

BQ24745

DCBATOUT

150Tuesday, September 09, 2008

150Tuesday, September 09, 2008

150Tuesday, September 09, 2008

OUTPUTS
VCC_CORE_S0

INPUTS

37

DIS

DIS

DIS

27

Title

Title

Title

BLOCK DIAGRAM

BLOCK DIAGRAM

BLOCK DIAGRAM

Size Document Number Rev

Size Document Number Rev

Size Document Number Rev
Custom

Custom

Custom
Date: Sheet

Date: Sheet

2

Date: Sheet

DCBATOUT

Wistron Corporation

Wistron Corporation

Wistron Corporation

21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,

21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,

21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
Taipei Hsien 221, Taiwan, R.O.C.

Taipei Hsien 221, Taiwan, R.O.C.

Taipei Hsien 221, Taiwan, R.O.C.

Big Bear 2

Big Bear 2

Big Bear 2

1

0.35~1.5V

OUTPUTSINPUTS
BT+

DCBATOUT

of

of

of

42

47

SC

SC

SC