Acer Aspire 4520 4220 4520G 4220G User Manual

Chapter 125
Acer eLock Management 
Acer eLock Management is a security utility that allows you to lock your removable data, optical and floppy 
drives to ensure that data cannot be st olen while your notebook is unattended.
TRemovable data devices - includes USB disk drives,  USB pen drives, USB flash drives, USB MP3 drives, 
USB memory card readers, IEEE 1394 disk drives  and any other removable disk drives that can be 
mounted as a file system when plugged into the system.
TOptical drive devices -...

26Chapter 1
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 eRecover y 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...

Chapter 127
Acer eSettings Management 
Acer eSettings Management allows you to inspect hard ware specifications and to monitor the system health 
status. Furthermore, Acer  eSettings Management enables you to opti mize your Windows operating system, so 
your computer runs fast er, smoother and better. 
Acer eSettings Management also:
TProvides a simple graphical user interface for navigating.
TDisplays general system status and ad vanced monitoring for power users.
Getting to know your Acer OrbiCam
1233 

28Chapter 1
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...

Chapter 129
Using the System Utilities
NOTE: The system utilities work under Microsoft Windows XP only.
Acer GridVista (dual-display compatible)
NOTE: This feature is only available on certain models.
To enable the dual monitor feature of the notebook, firs t 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 ....

30Chapter 1
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-launc h 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.
Note:
"Easy-launch buttons" on page 24 Start All Programs
Launch ManagerNote:
"Easy-launch buttons" on page 24...

Chapter 131
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 AMD CPU S1g1 1.6GHz ~ 2.3GHz processor (Turion 64 Dual-Core /  Sempron Single-Core) Rev. G and F; HT 1.6~2.0 GT/s
Core logic nVidia MCP67MV
CPU package  638-pin Lidless Mirco PGA...

32Chapter 1
NOTE: Above table lists some system memory configur ations. 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.
System Memory
ItemSpecification
Memory controller Built-in Intel
® PM965
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...

Chapter 133
  LAN Interface
ItemSpecification
Chipset Realtek RTL8211B PHY
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 S5 Wake on LAN support compliant with ACPI 2.0
PCI v1.1
68pin-QFN package
Modem Interface
ItemSpecification
Data modem data baud rate (bps) 56K
Supports modem protocol V.92
Modem connector type RJ11
Modem connector location Right side
Bluetooth Interface
ItemSpecification...

34Chapter 1
Drive Format
Disks122
Spindle speed 
(RPM)4200 RPM 4200 RPM 4200 RPM
Performance Specifications
Buffer size  2048KB 8192KB 8192KB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6
Max. media 
transfer rate 
(disk-buffer, 
Mbytes/s) 372 350 350
Data transfer 
rate 
(host~buffer, 
Mbytes/s) 100 MB/Sec.
Ultra DMA mode-5
100 MB/Sec.
Ultra DMA mode-5100 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Voltage 
tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
DVD-Dual Interface...