Acer Aspire 7720g Service Guide

Chapter 125
Acer eRecovery Management 
Acer eRecovery Management is a powerful utility that does away with the need for recovery disks provided by 
the manufacturer. The Acer eRecovery Management utility occupies space in a hidden partition on your 
system’s HDD. User-created backups are stored on D: drive. Acer eRecovery Management provides you 
with:
TPassword protection.
TRecovery of applications and drivers.
TImage/data backup:
TBack up to HDD (set recovery point).
TBack up to CD/DVD.
TImage/data...

26Chapter 1
Acer eSettings Management 
Acer eSettings Management allows you to inspect hardware specifications and to monitor the system health 
status. Furthermore, Acer eSettings Management enables you to optimize your Windows operating system, so 
your computer runs faster, smoother and better. 
Acer eSettings Management also:
TProvides a simple graphical user interface for navigating.
TDisplays general system status and advanced monitoring for power users.
Getting to know your Acer OrbiCam
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Chapter 127
Launching the Acer OrbiCam
To launch the Acer OrbiCam, double click on the Acer OrbiCam icon on the screen.
OR
Click Start > All programs > Acer > Acer OrbiCam. The Acer OrbiCam capture window appears. 
Changing the Acer OrbiCam resolution
To change the capture resolution, click the displayed resolution button to select the desired resolution.
Using the Acer OrbiCam as webcam
The Acer OrbiCam is automatically selected as the capture device of any instant messenger (IM) application. 
To use...

28Chapter 1
Using the System Utilities
NOTE: The system utilities work under Microsoft Windows XP only.
Acer GridVista (dual-display com patible)
NOTE: This feature is only available on certain models.
To enable the dual monitor feature of the notebook, first ensure that the second monitor is connected, then 
select Start, Control Panel, Display and click on Settings. Select the secondary monitor (2) icon in the 
display box and then click the check box Extend my windows desktop onto this monitor....

Chapter 129
NOTE: Please ensure that the resolution setting of the second monitor is set to the manufacturers 
recommended value.
Launch Manager
Launch Manager allows you to set the four easy-launch buttons (see their locations mentioned in “Easy-
Launch Buttons”). You can access the Launch Manager by clicking Start > All Programs > Launch Manager to 
start the application. 

30Chapter 1
Hardware Specifications and Configurations
NOTE: If you need to check PXE version, press F2 to enter BIOS then enable boot from LAN function. After 
that, power off the system and remove the HDD. Last, reboot the laptop. Then you will see PXE version 
displaying on the screen. Processor
ItemSpecification
CPU type
Intel
® CoreTM2 Duo processor T7300/T7500/T7700 (4MB, L2 cache 2.0/
2.2/2.4, 800 MHz FSB) or higher
Intel
® CoreTM2 Duo processor T5450/T7100 (2MB, L2 cache 1.66/1.8, 667/
800 MHz...

Chapter 131
System Memory
ItemSpecification
Memory controller
Built-in Intel
® 965PM/965PM
Memory size 0MB (no on-board memory)
DIMM socket number 2 sockets
Supports memory size per socket 2GB
Supports maximum memory size 4GB (by two 1024MB SO-DIMM module)
Supports DIMM type DDR 2 Synchronous DRAM
Supports DIMM Speed 667 MHz
Supports DIMM voltage 1.8V and 0.9V
Supports DIMM package 200-pin soDIMM
Memory module combinations You can install memory modules in any combinations as long as they 
match the...

32Chapter 1
NOTE: Above table lists some system memory configurations. You may combine DIMMs with various 
capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be 
reversed.
  LAN Interface
ItemSpecification
Chipset Broadcom 5787
Supports LAN protocol 10/100/1000 Ethernet
Giga LAN
LAN connector type RJ45
LAN connector location Left side
Features Integrated 10/100/1000 BASE-T transceiver
Wake on LAN support compliant with ACPI 2.0
PCI v2.2
Modem Interface...

Chapter 133
Data heads 2 3 (for Hitachi and 
Seagate)
4 (for Toshiba)4 (for Hitachi)
3 (for Seagate)
Drive Format
Disks 1 1 1 1
Spindle speed 
(RPM)5400 RPM 5400 RPM 5400 RPM 4200 RPM
Performance Specifications
Buffer size  2048KB 8192KB 8192KB 8192KB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6 ATA/ATA-6; ATA-6
Max. media 
transfer rate 
(disk-buffer, 
Mbytes/s)372 350 350 350
Data transfer 
rate 
(host~buffer, 
Mbytes/s)100 MB/Sec.
Ultra DMA mode-5100 MB/Sec.
Ultra DMA mode-5100...

34Chapter 1
 
Power Requirement
Input Voltage 5 V +/- 5 % (Operating) 
Audio Interface
ItemSpecification
Audio Controller Realtek ALC268
Audio onboard or optional Built-in
Mono or Stereo Stereo
Resolution 18 bit stereo full duplex
Compatibility HD audio Interface; S/PDIF output for PCM or AC-3 content
Sampling rate 1Hz resolution VSR (Variable Sampling Rate)
Internal microphone Yes
Internal speaker / Quantity Yes/2(1.5W speakers) 
Supports PnP DMA channel DMA channel 0
DMA channel 1
Supports PnP IRQ...