Acer Aspire One Model Ao751 Service Guide

Chapter 111
Special Key
You can locate the Euro symbol and the US dollar sign at the upper-center and/or bottom-right of your 
keyboard.
The Euro symbol
1.Open a text editor or word processor.
2.Hold  and then press the  key at the upper-center of the keyboard.
NOTE: Some fonts and software do not support the Euro symbol. 
The US dollar sign
1.Open a text editor or word processor.
2.Hold  and then press the  key at the upper-center of the keyboard.
NOTE:  This function varies according to the language...

12Chapter 1
Hardware Specifications and Configurations
Processor
System Controller
ItemSpecification
CPU type Diamondville Atrom series standard voltage 533FSB processors
CPU package  Diamondville 437-balls Micro-FCBGA8 package 22x22mm
Features
•New single-core processor for mobile devices with enhanced 
performance
•On-die, primary 32-kB instructions cache and 24-kB write-back 
data cache
•100/133-MHz Source-Synchronous front side bus (FSB)
•Supports Hyper-Threading Technology 2-threads
•On-Die 512-kB,...

Chapter 113
System Clock
Crystal and Oscillator
System Memory 
System StoragePackage
•FCBGA
•Ball Count: 998 balls
•Package Size: 27 mm x 27 mm
•Ball pitch: 0.8-mm uniform pitch
ItemSpecification
System clock chip Built in
Package 56 pin TSSOP
Clock Synthesizer
•100Mhz for CPU
•100MHz clock buffer for PCI-E and ICH7M SATA
•96MHz ICH7M
•48Mhz for USB clock inside ICH7M
•33Mhz PCI clock for PC device, LPC
•14.31818Mhz for ICH7M and Audio
Power 3.3V
Features
•Support spread spectrum function, for reducing...

14Chapter 1
Hard Disk Drive Interface
 Thermal Sensor Control
BIOS
ItemSpecification
Vendor & 
Model 
NameSegate ST9120817AS Toshiba MK1252GSX WD WD1200BEVS WD WD1200BEVT
Capacity 
(MB)120 120 120 120
Bytes per 
sector512 512 512 512
Data 
heads2222
Drive Format
Disks 1 1 1 1
Spind le 
speed 
(RPM)5400 5400 5400 5400
Performance Specifications
Buffer 
size 8 MB 8 MB 8 MB  8 MB
I n t e r f a c e S ATA S ATA S ATA S ATA
Internal 
transfer 
rate 
(Mbits/
sec, max)778 400 ~ 794 typical 850 Mbits/s...

Chapter 115
LCD 8.9” Supply Current Active current =15 mA (Typical)
Standby current=4 µA (Typical)
ItemSpecification
Vendor/model name AOU B089AW01 V1
Screen Diagonal (mm) 226.06
Active Area (mm) 195.07(H) X 113.4(V)
Display resolution (pixels) 1024x3(RGB) x 600
Pixel Pitch (mm) 0.1905 (H) x 0.189 (V)
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode Normally White
Typical White Luminance (cd/m
2) 
also called Brightness180 typ. (center)
150 min. (center)
Luminance Uniformity Max. (5 points)
Contrast...

16Chapter 1
KBC
Audio Codec and Amplifier
LAN Interface
Keyboard
Mini Card
ItemSpecification
Chipset WPCE775L
Features
•Host interface, base on Intels LPC Interface specification 
Revision 1.0 
•PC01 REV 0.3 and ACPI 1.0b compliant
•16-bit RISC core, with 2 Mbyte address space, and 
running at up to 20 MHZ
•Software and Hardware controlled clock throttling
•Share BIOS flash memory (internal and/or external)
•Y2K- compliant
•84 GPIO ports with variety of wake-up events
•Extremely low current consumption...

Chapter 117
Camera
3G Card
Wireless LAN
Battery 
ItemSpecification
Maximum Module Form Factor 65*8*4.74 mm3
Sensor Type and Resolution Color CMOS, VGA(640x480)
ISP USB 2.0 high speed
Focusing Type Fix Focus
F/N 2.8±5%
Focusing Range 30 cm ~infinity (theory) focus at 48 cm
Format of Image Output Data YUV
Frame Rate VGA: 30 fps (MAX.) @USB2.0 high speed
Operation Voltage Total Supply Voltage: 3.3V
ISP: 3.3, 1.8V
CMOS Sensor: 2.8V, 1.8V
System Interfacing USB 2.0 (High Speed)
Board Connector Type Wire to...

18Chapter 1 

Chapter 219
System Utilities
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Your computer is already properly configured and optimized, and you do not need to run this utility. However, if 
you encounter configuration problems, you may need to run Setup. Please also refer to Chapter 4 
Troubleshooting when problem arises.
To activate the BIOS Utility, press F2 during POST (when “Press  to enter Setup” message is...

20Chapter 2
Information
The Information screen displays a summary of your computer hardware information.
NOTE: The system information is subject to different models.
ParameterDescription
CPU Type This field shows the CPU type and speed of the system.
CPU Speed This field shows the speed of the CPU.
HDD Model Name This field shows the model name of HDD installed on primary IDE master.
HDD Serial Number This field displays the serial number of HDD installed on primary IDE master.
System BIOS Version...