Acer Aspire 2020 Service Guide

34Chapter 1
 
NOTE: Above table lists some system memory configurations. You may combine DIMMs with various 
capacities to form other combinations.
.
. Memory Combinations
Slot 1Slot 2Total Memory
256/512MB 0 MB 256MB/512MB
256/512MB 256MB 512MB/768MB
256/512MB 512MB 768MB/1024MB
LAN Interface
ItemSpecification
Supports LAN protocol 10/100 Mbps (Aspire 2010)
10/100/100 Mbps (Aspire 2020)
LAN connector type RJ45
LAN connector location Rear side
Modem / Bluethooth Interface
ItemSpecification
Data modem...

Chapter 135
Optical Drive Interface
ItemSpecification
Vendor & model name Panasonic
ModelAspire 2010 Aspire 2020
Optical Media Drive DVD/CD-RW combo drive
DVD Dual DriveDVD-Super Multi Drive
DVD/CD-RW Combo Drive
Disc Performance 
compatibilityOptical Drive Options:
TDVD/CD-RW combo drive
TRead: 8X DVD-ROM, 24X 
CD-ROM
TWrite: 24X CD-R, 10X CD-
RW
TDVD-Dual Drive
TRead: 4X DVD+R, 4X 
DVD+RW, 4X DVD-R, 4X 
DVD-RW, 8X DVD-ROM, 
24X CD-ROM
TWrite: 2.4X DVD+R, 2.4X 
DVD-RW, 2X DVD-R, 2X 
DVD-RW, 16X CD-R,...

36Chapter 1
 
 
 
Loading mechanism Load: The disc can be loaded semi-automatically ( To load the disc in the 
drive, it is needed to push the disc manually)
Unload: The disc can be unloaded automatically by motor powered 
mechanism. The disc unloading can be operated by the Eject button or 
Eject Command through the IDE interface.                   
Power Requirement
Input Voltage
+5V  % Ripple Less than 100mVp-p
Audio Interface
ItemSpecification
Audio Controller Realtek ALC250, AC97 Codec
Audio onboard...

Chapter 137
 
 
 
Parallel port function control Enable/Disable/Auto (BIOS or operating system chooses 
configuration) by BIOS setup
Note: Depending on your operating system, disabling an unused 
device may help free systen resources for other devices.
Supports ECP/EPP/Bi-directional 
(PS/2 compatible)Yes (set by BIOS setup)
Note: When Mode is selected as EPP mode, “3BCh” will not be 
available.
Optional ECP DMA channel (in 
BIOS setup)DMA channel 1
Optional parallel port I/O address 
(in BIOS...

38Chapter 1
  
 LCD Inverter Specification Keyboard
ItemSpecification
Keyboard controller ENE KB910
Keyboard vendor & model name Standard keyboard w/o launch button embeded
Total number of keypads 84/85/88 keys with 101/102 key emulation
inverted “T” cursor layout ; 3mm(minimum) key travel 
Windows  logo key Yes
Internal & external keyboard work 
simultaneouslyYe s
Battery 
ItemSpecification
Vendor & model name Samsung
Battery Type Li-ion
Pack capacity  64 Whr 
Cell voltage  3.7V/cell
Number of battery...

Chapter 139
Suspend/Standby control Yes Yes Yes Yes
Electrical Specification
Supply voltage for LCD 
display (V)3.3 3.3 3.3 3.3
Supply voltage for LCD 
backlight (Vrms)690 690 690 690
AC Adapter
ItemSpecification
Vendor & model name Delta ADP-65DB
Liteon PA-1650-02CR
Input Requirements
Maximum input current (A, 
@100Vac, full load)1.5A [email protected]/100Vac and 240 Vac
Nominal frequency (Hz) 47 - 63
Frequency variation range 
(Hz)47 - 63
Nominal voltages (Vrms) 90 - 264
Inrush current The maximum inrush...

40Chapter 1
Power Management
ACPI ModePower Management
Mech. Off (G3) All devices in the system are turned off completely.
Soft Off (G2/S5) OS initiated shutdown. All devices in the system are turned 
off completely.
Working (G0/S0) Individual devices such as the CPU and hard disk may be 
power managed in this state.
Sleeping State (S3) CPU Power Down
VGA Power Down
PCMCIA Suspend
Audio Power Down
Hard Disk Power Down
Super I/O Power Down
Sleeping State (S4) Also called Hibernate state. System saves all...

Chapter 141
 
Material Recycle plastic PC+ABS 94V0
Indicators Power, Media activity, Battery charge, Wireless/Bluetooth 
communication, Caps lock, Pad lock, Num lock and Scroll lock 
indicators 
Switch Power switch
Lid switch
Touch pad Left/Right Mechanical Specification
ItemSpecification 

Chapter 242
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 
m during POST (when “Press  to enter Setup” message is prompted
 on the...

43Chapter 2
ParameterDescription
Product Name This field will show product name.
Manufacture Name This field will show manufacturer name.
System BIOS Version This field reports the BIOS version of system.
VGA BIOS Version This field reports the VGA version of the system.
Hard Disk Mode Name This item will show the size of HDD installed on 
Primary IDE master. The hard disk size is 
automatically detected by the system. If there is no 
hard disk present or unknown type, “None” should 
be shown on this...