Acer Aspire 1600 Service Guide

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Indicators
The computer has seven easy-to-read status icons on the right of the display screen.
The Power and Standby status icons are visible even when you close the display cover so you can see the 
status of the computer while the cover is closed.
#IconFunctionDescription
1 Wireless LAN This button is used to enable or disable the 
wireless LAN (optional) function
2 Power Lights when the computer is on.
3 Sleep Lights when the computer enters Standby 
mode and blinks when it enters into or 
resumes from hibernation mode.
4 Media Activity Lights when the floppy drive, hard disk or 
Media drive is active.
5 Battery Charge Lights when the battery is being charged.
6 Caps Lock Lights when Caps Lock is activated. 
						

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7 Num Lock
(Fn-F11)Lights when Numeric Lock is activated.
#IconFunctionDescription 
						

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 Keyboard
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.
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.
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 mode 
when you need to do a lot of numeric data entry. A better solution would be to 
connect an external keypad.
Scroll Lock (Fn-F12)
[
When [ is on, the screen moves one line up or down when you press the up 
or down arrow keys respectively. 
[ does not work with some applications. 
						

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NOTE: If an external keyboard or keypad is connected to the computer, the Num Lock feature automatically 
shifts from the internal keyboard to the external keyboard or keypad.
Windows keys
The keyboard has two keys that perform Windows-specific functions.
Desired accessNum lock onNum lock off
Number keys on embedded 
keypadType numbers in a normal manner.
Cursor-control keys on embedded 
keypadHold Shift while using cursor-control keys. Hold Fn while using cursor-control 
keys.
Main keyboard keys Hold Fn while typing letters on embedded 
keypad.Type the letters in a normal manner.
KeysDescription
Windows logo key
     
						

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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 Scheme Toggle Switches between the power management scheme 
used by the computer (function available if supported 
by operating system). 
Fn-
oSleep Puts the computer in Sleep mode.
Fn-
pDisplay toggle Switches display output between the display screen, 
external monitor (if connected) and both the display 
screen and external monitor.
Fn-
qScreen blank Turns the display screen backlight off to save power. 
Press any key to return. 
						

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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:
Fn-rTouchpad Toggle Turns the internal touchpad on and off.
Fn-
sSpeaker on/off Turns the speakers on and off; mutes the sound.
Fn-
wContrast up Increases the screen contrast (available only for 
models with HPA displays).
Fn-
yContrast down Decreases the screen contrast (available only for 
models with HPA displays).
Fn-
xBrightness up Increases the screen brightness.
Fn-
¨
zBrightness down Decreases the screen brightness.
 
aGr-EuroEuro Types the Euro symbol.
Hot KeyIconFunctionDescription 
						

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1.Click on 
Start, 
Control Panel.
2.Double-click on 
Regional and Language Options.
3.Click on the 
language tab and click on 
Details.
4.Verify that the keyboard layout used for “EN English (United States) is set to United States-International.
If not, select and click on 
ADD, then select 
United States-International and click on 
OK.
5.Click on 
OK.
To type the Euro symbol:
1.Locate the Euro symbol on your keyboard.
2.Open a text editor or word processor.
3.Hold 
aGr and press the Euro symbol.
 Launch Keys
Located at the top of the keyboard are six buttons. These buttons are called launch keys. They are designated 
as wireless LAN, Web Browser button, mail button, P1. P2 and P3. By default, P1, P2 and P3 are users 
programmable.  The Web Browser button, by default, is used to launch the internet browser The mail button is 
used to launch the e-mail application. The LED of the mail button will flash when the user has received an 
incoming email.  
#IconFunctionDescription
1 Wireless 802.11a/802.11b wireless LAN (Optional)
2 Mail Email application 
						

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3 Web browser Internet browser application
4 P1 User-programmable
5 P2 User-programmable
6 P3 User-programmable
#IconFunctionDescription 
						

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Hardware Specifications and Configurations
System Board Major Chips
Item Controller
System core logic SiS645DX
Super I/O controller NS87392
Audio controller Codec Sigmatel STAC9766
Video controller ATI M9CSP32
Hard disk drive controller ATA100
Keyboard controller Mitsubishi M38857
CardBus Controller TIPCI1520
RTC SiS645DX
Processor
ItemSpecification
CPU type
Desktop CPU Northwood 2.4~3.06GHz/ Intel Pentium
® 4 socket P478 
processor
CPU package  To 3.06GHz uFCBGA
CPU core voltage 1.7V
CPU I/O voltage 1.25V
BIOS
ItemSpecification
BIOS vendor Phoenix BIOS
BIOS Version R01-A0X
BIOS ROM type Flash ROM
BIOS ROM size 512KB
BIOS package 32 Pin PLCC
Supported protocols ACPI 2.0 (if available, at least 1.0b), PCI 2.2, INT 13h Extensions, PnP 
BIOS 1.0a, SMBIOS 2.3, Boot Block, USB Specification 1.1/2.0, DTMF 
Desktop Management Interface Specification V2.0, IEEE 1394 V1.0, 
WfM2.0 (for build-in Ethernet model), PCMCIA V3.0 Compliant device, 
Mobile PC2001 Compliant, EI Torito-Bootable CD-ROM Specification V1.0, 
Simple Boot Flag 1.0
BIOS password control Set by switch, see SW1 settings
Second Level Cache
ItemSpecification
Cache controller Built-in CPU
Cache size 512KB
1st level cache control Always Enabled
2nd level cache control Always Enabled
Cache scheme control Fixed-in write back 
						

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Above table lists some system memory configurations. You may combine DIMMs with various capacities to 
form other combinations. System Memory
ItemSpecification
Memory controller SiS645DX
Onboard memory size 0MB 
DIMM socket number 2 Sockets
Supports memory size per socket 512MB
Supports maximum memory size 1024MB
Supports DIMM type DDR-DRAM SODIMM
Supports DIMM Speed 266 MHz
Supports DIMM voltage 3.3 V
Supports DIMM package 200-pin so-DIMM
Memory module combinations You can install memory modules in any combinations as long as they 
match the above specifications .
Memory Combinations
Slot 1Slot 2To t a l  M e m o r y
0MB 128MB 128 MB
128MB 0MB 128 MB
128MB 128MB 256 MB
256MB 0MB 256MB
0MB 256MB 256MB
256MB 128MB 384MB
128MB 256MB 384MB
256MB 256MB 512MB
0MB 512MB 512MB
512MB 128MB 640MB
256MB 512MB 768MB
128MB 512MB 640MB
512MB 256MB 768MB
512MB 512MB 1024MB
512MB 0MB 512MB