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Acer AO725 User Manual
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Jumper and Connector Locatio
ns
5-3
Jumper and Connector Locations
Mainboard Jumper and Connector Locations
0
Figure 5-1.
Mainboard Top
Table 5-1.
Mainboard Top
Item
Description
Item
Description
1
LVDS Connector
5
Speaker Connector
2
Cardreader Connector
6
LED Board Connector
3
DC-in Connector
7
TPM Connector
4
USB Connector
12
3
4
5
6
7
194
196
Table of Contents
Default Chapter
5
Table of Contents
5
CHAPTER 1 Hardware Specifications
15
Features
15
Operating System
15
Platform
15
System Memory
15
Display
15
Audio
15
Graphics
16
Storage
16
Webcam
16
Wireless and Networking
17
Privacy Control
17
Dimension and Weight
17
Power Adapter and Battery
17
Input and Control
18
Input and Output (I/O) Ports
18
Environment
18
Software
19
Eco-Compliance
20
Optional and Accessories
20
Warranty
20
Notebook Tour
21
Opened Front View
21
Touchpad Basics
28
Using the Keyboard
29
Windows Keys
30
Hotkeys
31
System Block Diagram
33
Specification Tables
34
Computer Specifications
34
System Board Major Chips
35
Processor
35
Processor Specifications
35
CPU Fan True Value Table
36
System Memory
36
Memory Combinations
36
Video Interface
37
Bios
37
Keyboard
37
Hard Disk Drive (AVL Components)
38
Lcd 11.6
39
LCD 11.6" (Continued)
40
LCD Inverter (Not Available with this Model)
41
Display Supported Resolution (LCD Supported Resolution)
41
Graphics Controller
41
Display Supported Resolution (GPU Supported Resolution)
42
LAN Interface
42
Bluetooth Interface (Not Available in this Model)
42
Bluetooth Module
43
Wireless Module 802.11 A/B/G/N
43
Wireless Module 802.11 B/G/N
43
Mini Card Wireless Networking Card
44
3G Card
44
Audio Codec and Amplifier
45
Audio Codec and Amplifier (Continued)
46
Audio Interface
46
1.0M HD Camera
47
VRAM (Not Available in this Model)
47
USB Port
47
HDMI Port
48
Battery
48
AC Adapter
48
System Power Management
49
Card Reader
49
System LED Indicator
50
System DMA Specification
50
System Interrupt Specification
51
System I/O Address Map
56
Memory Address Map
58
CHAPTER 2 System Utilities
61
BIOS Setup Utility
63
Navigating the BIOS Utility
63
Bios
64
Information
64
Main
66
Security
68
Setting a Password
69
Boot
72
Exit
73
BIOS Flash Utilities
74
DOS Flash Utility
75
Winflash Utility
77
Clearing BIOS Passwords
78
Removing Insyde BIOS Passwords
79
Removing Insyde HDD Password
81
Miscellaneous Tools
82
Using Dmitools
82
Using Uuidtools
86
Using the LAN MAC EEPROM Utility
88
Crisis Disk Recovery
89
CHAPTER 3 Machine Maintenance Procedures
91
Replacing the WLAN (Wireless Local Area Network)
93
General Information
95
Introduction
95
Recommended Equipment
95
Pre-Disassembly Instructions
96
Disassembly Process
97
External Module Disassembly Process
98
External Module Disassembly Flowchart
98
Dummy Card Removal
99
Battery Pack Removal
100
Base Door Removal
101
WLAN (Wireless Local Area Network) Module Removal
102
DIMM (Dual In-Line Memory Module) Module Removal
104
HDD (Hard Disk Drive) Module Removal
105
Main Unit Disassembly Process
107
Main Unit Disassembly Flowchart
107
Upper Case Removal
108
Switch Board Removal
110
Keyboard Module Removal
112
IO Board Removal
115
LED Board Removal
117
Mainboard Removal
119
RTC Battery Removal
122
Thermal Module Removal
123
Speakers Removal
124
LCD (Liquid Crystal Display) Module Removal
125
LCD Module Disassembly Process
127
LCD Module Disassembly Flowchart
127
LCD Bezel Removal
128
Camera Module Removal
131
LCD Hinges Removal
132
LCD Panel Removal
133
LVDS and Camera Cable Removal
135
LCD Reassembly Process
136
Replacing the LVDS and Camera Cable
136
Replacing the LCD Panel
137
Replacing the LCD Hinges
139
Replacing the Camera Module
140
Replacing the LCD Bezel
141
Main Unit Reassembly Process
143
Replacing the LCD (Liquid Crystal Display) Module
143
Replacing the Speakers
145
Replacing the Thermal Module
146
Replacing the RTC Battery
148
Replacing the Mainboard
149
Replacing the LED Board
151
Replacing the IO Board
152
Replacing the Keyboard Module
154
Replacing the Switch Board
157
Replacing the Upper Case
158
External Module Reassembly Process
160
Replacing the HDD (Hard Disk Drive) Module
160
Replacing the DIMM (Dual In-Line Memory Module) Module3-72
162
Replacing the WLAN (Wireless Local Area Network) Module
163
Replacing the Base Door
164
Replacing the Battery Pack
166
Replacing the Dummy Card
167
CHAPTER 4 Troubleshooting
169
Introduction
171
General Information
171
Power on Issues
172
No Display Issues
173
LCD Picture Failure
175
Internal Keyboard Failure
176
Touchpad Failure
177
Internal Speaker Failure
178
Internal Microphone Failure
180
USB Failure
181
Other Functions Failure
182
Intermittent Problems
183
Undetermined Problems
183
Post Codes
184
CHAPTER 5 Jumper and Connector Locations
193
Mainboard Jumper and Connector Locations
195
Clearing Password Check and BIOS Recovery
197
Clearing Password Check
197
BIOS Recovery by Crisis Disk
199
CHAPTER 6 FRU (Field Replaceable Unit) List
201
Exploded Diagrams
204
FRU List
208
Screw List
220
CHAPTER 7 Model Definition and Configuration
221
Acer Aspire One 725
222
Microsoft® Windows® 7 Environment Test
268
Chapter 8
269
Test Compatible Components
269
Chapter 9
277
Online Support Information
277
4
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Acer AO725 Specifications
General
Brand
Acer
Model
AO725
Category
Laptop
Language
English
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