Acer Aspire 1620 Service Guide

12Aspire 1620
Understanding the icons
When the cover of your computer is closed, 2 easy-to-read icons are shown, indicating which state or feature 
is enabled or disabled.
#IconFunctionDescription
1 Power Lights up when the computer is on.
2 Sleep Lights when the computer enters Standby 
mode and blinks when it enters into or 
resumes from hibernation mode. 

Chapter 113
 Ke y b o a r d
The keyboard has full-sized keys and an embedded keypad, separate cursor keys, two Windows keys and 
twelve function keys.
Special keys
Lock keys
The keyboard has three lock keys which you can toggle on and off.
Lock keyDescription
Caps Lock
@
When @is on, all alphabetic characters typed are in uppercase.
Num Lock (Fn-F11)
]
When ] is on, the embedded keypad is in numeric mode. The keys function 
as a calculator (complete with the arithmetic operators ), -, *, and /). Use this...

14Aspire 1620
Embedded numeric keypad
The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters 
located on the upper right corner of the keycaps. To simplify the keyboard legend, cursor-control key symbols 
are not printed on the keys.
Desired accessNum lock onNum lock off
Number keys on embedded 
keypadType numbers using embedded keypad in a 
normal manner.
Cursor-control keys on embedded 
keypadHold Shift while using cursor-control keys. Hold Fn while...

Chapter 115
Windows keys
The keyboard has two keys that perform Windows-specific functions.
KeysDescription
Windows logo keyStart button. Combinations with this key perform shortcut functions. Below 
are a few examples:
 + Tab (Activates next taskbar button)
 + E (Explores My Computer)
 + F (Finds Document)
 + M (Minimizes All)
j+  + M (Undoes Minimize All)
 + R (Displays the Run... dialog box)
Application key Opens a context menu (same as a right-click). 

16Aspire 1620
Hot Keys
The computer employs hot keys or key combinations to access most of the computer’s controls like screen 
contrast and brightness, volume output and the BIOS Utility.
To activate hot keys, press and hold the Fn key before pressing the other key in the hot key combination.
Hot KeyIconFunctionDescription
Fn-
lHotkey help Displays a list of the hotkeys and their functions.
Fn-
mSetup Accesses the notebook configuration utility. 
Fn-
nPower Management 
Scheme ToggleSwitches the power...

Chapter 117
The Euro symbol
If your keyboard layout is set to United States-International or United Kingdom or if you have a keyboard with a 
European layout, you can type the Euro symbol on your keyboard.
NOTE: for US keyboard users: The keyboard layout is set when you first set up Windows.  For the Euro 
symbol to work, the keyboard layout has to be set to United States-international.
To verify the keyboard type:
1.Click on Start, Control Panel.
2.Double-click on Regional and Language Options.
3.Click...

18Aspire 1620
 Launch Keys
Located at the top of the keyboard are six buttons. These buttons are called lauch keys. They are designated 
as mail button, Web browser button, P1, P2, Bluetooth and Wireless buttons. The Wireless and Bluetooth 
buttons cannot be set by the user. To set the other four launch keys, run the Acer Launch Manager.
 
#IconFunctionDescription
1 Mail Launches email application
2 Web browser Launches Internet browser application
3 P1 User-programmable
4 P2 User-programmable
5...

Chapter 119
Hardware Specifications and Configurations
 System Board Major Chips
Item Controller
System core logic ATI RC300M+ATI IXP150
Super I/O controller NS PC87392
Audio controller Realtek ALC655
Video controller ATI Radeon 9700
Hard disk drive controller Embedded in ATI IXP 150
Keyboard controller Mitsubish LPC keyboard controller M38857
CardBus Controller TI 1520
RTC ATI IXP 150
Processor
ItemSpecification
CPU type
Intel
® Pentium® 4 Processor 2.80 Ghz and above
CPU package  FC-PGA2
CPU core...

20Aspire 1620
Above table lists some system memory configurations. You may combine DIMMs with various capacities to 
form other combinations.  System Memory
ItemSpecification
Memory controller ATI RC300M
Onboard memory size 0MB 
DIMM socket number 2 Sockets
Supports memory size per socket 128/256/512/1024MB (if available)
Supports maximum memory size 2048MB (Please confirm if 1024MB has passed the test or not)
Supports DIMM type DDR-DRAM
Supports DIMM Speed 333 MHz
Supports DIMM voltage 2.5 V
Supports...

Chapter 121
.
Supports modem protocol V.90/V.92MDC
Modem connector type RJ11
Modem connector location Rear side
Hard Disk Drive Interface
Item
Vendor & Model 
NameHGST Moraga 
IC25N030ATMR04
Fujitsu V-40 MHT2030AT
Seagate N1 ST93015AHGST Moraga 
IC25N040ATMR04-
TOSHIBA Pluto 40G 
MK4025GAS
Fujitsu V40+ MHT2040AT
Seagate N1 ST94019AHGST Moraga 
IC25N060ATMR04-0
TOSHIBA Neptune 
MK6021GAS
Capacity (MB) 30000 40000 60000
Bytes per sector 512 512 512
Logical heads 16 16 16
Logical sectors 63 63 63
Drive...