Acer Travelmate 250 Service Guide

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Indicators
The computer has six 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 Power Lights 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.
3 Media Activity Lights when the floppy drive, hard...

Chapter 113
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. 

14TravelMate 240/ 250
 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...

Chapter 115
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...

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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 Management 
Scheme ToggleSwitches...

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...

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 Launch Keys
Located at the top of the keyboard are five buttons. These buttons are called launch keys. They are 
designated as wireless LAN/Bluetooth, Web Browser button, mail button, P1 andP2. By default, P1 and P2 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....

Chapter 119
Hardware Specifications and Configurations
System Board Major Chips
Item Controller
System core logic Intel ICH4-M
Super I/O controller NS PC87392
Audio controller Cirrus logic CS4299-XQ
Video controller Intel 852GME (Montara-GT)
Hard disk drive controller Embedded in Intel ICH4
Keyboard controller Mitsubish LPC keyboard controller M38857
CardBus Controller TI 1520
RTC Intel ICH4
Processor (for TravelMate 240)
ItemSpecification
CPU type Intel Cerelon processor
CPU package  To 2.0GHz uFCBGA...

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Cache size 128KB for TM240/512KB for TM250
1st level cache control Always Enabled
2nd level cache control Always Enabled
Cache scheme control Fixed-in write back
System Memory
ItemSpecification
Memory controller Intel 852GME (Montara-GT)
Onboard memory size 0MB 
DIMM socket number 2 Sockets
Supports memory size per socket 128MB
Supports maximum memory size 2048MB
Supports DIMM type DDR-DRAM
Supports DIMM Speed 266 MHz/333 MHz
Supports DIMM voltage 2.5 V
Supports DIMM package 200-pin...

Chapter 121
Above table lists some system memory configurations. You may combine DIMMs with various capacities to 
form other combinations.
 
512MB 1024MB 1536MB
Modem Interface
ItemSpecification
Chipset Internal Agere Scorpio chipset (Scorpio+CSP1037B)
Fax modem data baud rate (bps) 14.4K
Data modem data baud rate (bps) 56K
Supports modem protocol V.90/V.92MDC
Modem connector type RJ11
Modem connector location Rear side
Floppy Disk Drive Interface
ItemSpecification
Vendor & model name Mitsumi D353G...