Acer Travelmate 4070 Service Guide

							36TravelMate 4070/4080
 
Efficiency  It should provide an efficiency of 83% minimum, when measured at maximum 
load under 115Vac.
Output Ratings (CV mode)
DC output voltage  19V
Noise + Ripple  300mVp-pmax (20 MHz bandwidth)
Load 0(min) 3.16A(max)
Output Ratings (CC mode)
DC output voltage 19V +/-1.0V for CV mode
Constant current mode 3.6 +/- 0.3A
Dynamic Output Characteristics
Turn-on delay time 3 sec (@ 115Vac)
Hold up time 5ms (@115Vac, Full load)
Over Voltage Protection (OVP) 24V
Short circuit protection 3.9A max can be protected and output can be shorted without damage
Electrostatic discharge (ESD) 15KV (at air discharge)
8KV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary 3000Vac
Leakage current  0.25 mA max. (@ 254Vac, 60Hz)
Regulatory Requirements Safety Requirements:
1.The subject product rated 100-120V 60Hz must be listed under UL 1950 and 
certified with SCA Standard C22.2 No.950.
2.The subject product rated 200-240V 50Hz must comply with low voltage 
directive 73/23EEC.
EMI Requirements:
1.The subject product rated 100-120V 60Hz must meet the EMI requirements 
of FCC part 15, Subpart B for Class B Digital Device and get FCC Certification 
before marketing into USA and Canada.
2.The subject product rated 200-240V 50Hz must meet the EMC Directive 89/
336/EEC.
3.The subject product rated 100-120V must meet the VCCI-2 EMI 
requirements.
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 int he sytem are turned off 
completely.
Working (G0/S0) Individual devices such as the CPU and hard disk may be power 
managed in this state.
S3 Sleeping State CPU set power down
VGA suspend
PCMCIA suspend
Audio Power Down
Hard Disk Power Down
CD-ROM Power Down
Super I/O Low Power mode
S4 Sleeping State Also called Hibernate stats. System saves all system state and 
data onto disk prior to power off the whole system.
AC Adapter
ItemSpecification 
						

							Chapter 137
Environmental Requirements
ItemSpecification
Temperature
Operating
+0~+35 
°C
Non-operating
-20~+65 
°C
Package storage
-20~+65 
°C
Humidity
Operating 10% to 90% RH, non-condensing
Non-operating 10% to 90% RH, non-condensing (Unpacked)
Non-operating 10% to 90% RH, non-condensing (Storage package)
Vibration
Operating (unpacked) Operation vibration: 1.0G ,X,Y,Zaxis, 30 minutes/axis
Non-operating (unpacked) 5~27.1Hz: 0.6G
27.1~50Hz: 0.04mm (peak to peak)
50~500Hz: 2.0G
Non-operating (packed) 5~62.6Hz: 0.51mm (peak to peak)
62.6~500Hz: 4.0G
Mechanical Specification
ItemSpecification
Dimensions 364(W) x 279(D) x 33.9/38.9 (H)mm 
14.3 3X 10.98x 1.33/1.53 inches
Weight 6.4 Ibs (2.91kg) for 15” XGA LCD model
6.5 lbs (2.94kg) for 15.4” WXGA LCD model
I/O Ports Three USB 2.0 ports
Ethernet (RJ-45) port
Modem (RJ-11) port
External display (VGA) port
Microphone-in jack
Line-in jack
Headphones/speaker/line-out jack
Type II PC Card slot
DC-in jack for AC adaptor
Drive Bays One
Indicators LED indicator for keyboard hot key: Caps Lock, Scroll Lock, NUmber lock
LED indicator for function indicator: System power-on, HDD/ODD, Wireless on/off, 
Arcade LED mode, DC-in, Battery/Charging indicator
Switch Power 
						

							Chapter 238
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 bottom of screen).
Press m to enter setup. The default parameter of F12 Boot Menu is set to “disabled”. If you want to change 
boot device without entering BIOS Setup Utility, please set the parameter to “enabled”. 
Press  during POST to enter multi-boot menu. In this menu, user can change boot device without 
entering BIOS SETUP Utility.
PhoenixBIOS Setup Utility 
 
 
  
CPU Type :   Intel (R) Pentium (R) processor 1.73GHz      
CPU Speed  :
System BIOS Version :
 2A02
 
VGA BIOS Version : 
 Alviso 1219
KBC Version :
 1A16
 
Serial Number :LXT123456705290116EF00
 
Asset Tag Number :
 N/A
 
Produce Name
 Aspire 1640
 
Manufacturer Name:
 Acer
 
UUID :
 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 
 
  
  
 
 
 
F1  Help        ↑↓ Select Item         F5/F6 Change Values             F9 Setup Defaults 
Esc Exit         ← →  Select Menu        Enter  Select   4Sub-Menu      F10 Save and Exit
  HDD Model Name:
   HDD Serial Number :
 TOSHIBA MK1031GAS
  751U0320S
  1733MHz
ATAPI Device :HL-DT-ST DVD-RW GWA-4082N       Main     Security     Boot      Exit
Info.
System Utilities
Chapter  2 
						

							39Chapter 2
Navigating the BIOS Utility
There are six menu options: Info., Main, System Devices, Security, Boot, and Exit.
Follow these instructions:
TTo choose a menu, use the cursor left/right keys (zx).
TTo choose a parameter, use the cursor up/down keys ( wy).
TTo change the value of a parameter, press por q.
TA plus sign (+) indicates the item has sub-items. Press e to expand this item.
TPress ^ while you are in any of the menu options to go to the Exit menu.
TIn any menu, you can load default settings by pressing t. You can also press u to save any 
changes made and exit the BIOS Setup Utility.
NOTE: You can change the value of a parameter if it is enclosed in square brackets. Navigation keys for a 
particular menu are shown on the bottom of the screen. Help for parameters are found in the Item 
Specific Help part of the screen. Read this carefully when making changes to parameter values. Please 
note that system information vary in models. 
						

							Chapter 240
Information
NOTE: The system information is subject to different models.
ParameterDescription
HDD Model Name This field shows the model name of HDD installed on primary IDE master.
HDD Serial Number This field displays the serial number of HDD installed on primary IDE master.
ATAPI Device This field displays the mofel name of devices installed on secondary IDE master. The hard 
disk drive or optical drive model name is automatically detected by the system.
System BIOS Version This field displays the BIOS version of the system.
VGA BIOS Version This field displays the VGA BIOS version of this system.
KBC Version This filed displays the KBC version of this system.
ATAPI Serial Number This field shows the serial number of devices installed on secondary IDE master.
Serial Number This field displays the serial number of this unit.
Asset Tag Number An Asset Tag with 32 bytes will be stored in EEPROM. Default value is set as 
“0000000000000000” (in binary code).
PhoenixBIOS Setup Utility 
 
 
  
CPU Type :   Intel (R) Pentium (R) processor 1.73GHz      
CPU Speed  :
System BIOS Version :
 2A02
 
VGA BIOS Version : 
 Alviso 1219
KBC Version :
 1A16
 
Serial Number :LXT123456705290116EF00
 
Asset Tag Number :
 N/A
 
Produce Name
 Aspire 1640
 
Manufacturer Name:
 Acer
 
UUID :
 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 
 
  
  
 
 
 
F1  Help        ↑↓ Select Item         F5/F6 Change Values             F9 Setup Defaults 
Esc Exit         ← →  Select Menu        Enter  Select   4Sub-Menu      F10 Save and Exit
  HDD Model Name:
   HDD Serial Number :
 TOSHIBA MK1031GAS
  751U0320S
  1733MHz
ATAPI Device :HL-DT-ST DVD-RW GWA-4082N       Main     Security     Boot      Exit
Info. 
						

							41Chapter 2
UUID Number This will be visible only when there is an internal LAN device present. UUID means 
Universally Unique ID, a method for computing object identifiers (OIDs). It uses the serial 
number in the local Ethernet card combined with the date and time to generate a 128 bit 
(16bytes) number. For Acer product, this field displays UUID number. A UUID string will be 
stored in the secured data area which is an alphanumeric string of maxium 16 bytes in 
length.
ParameterDescription 
						

							Chapter 242
Main
The Main screen displays a summary of your computer hardware information, and also includes basic setup 
parameters. It allows the user to specify standard IBM PC AT system parameters.
NOTE: The screen above is for reference only. Actual values may differ.
PhoenixBIOS Setup Utility 
   Information      
Main      Security       Boot       Exit 
 
  
Item Specific Help 
System Time: [05:45:48] 
System Date: [08/30/2005] 
  
System Memory:  640 KB 
Extended Memory:  1040 MB 
Video Memory [128MB]
  
Quiet Boot: [Enabled] 
Power On Display: [Both]  
Network Boot
 [Enabled]
 
   F12 Boot Menu
  [Disabled]
 
  
, , or 
 selects field. 
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub -Menu      F10 Save and Exit  
Shows system base memory size
Shows extended memory size
VGA memory size
D2D Recovery
[Enabled]
   
						

							43Chapter 2
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE: The sub-items under each device will not be shown if the device control is set to disable or auto. This is 
because the user is not allowed to control the settings in these cases.
ParameterDescriptionFormat/Option
System Time Sets the system time. The hours are displayed 
with 24-hour format.Format: HH:MM:SS 
(hour:minute:second) System Time
System Date Sets the system date. Format MM/DD/YYYY (month/day/
year)
System Date
System Memory This field reports the memory size of the system. 
Memory size is fixed to 640MB
Extended Memory This field reports the memory size of the 
extended memory in the system. 
Extended Memory size=Total memory size-1MB
VGA Memory Shows the VGA memory size. VGA Memory 
size=64/128MB
Quiet Boot Determines if Customer Logo will be displayed or 
not; shows Summary Screen is disabled or 
enabled. 
Enabled: Customer Logo is displayed, and 
Summary Screen is disabled.
Disabled: Customer Logo is not displayed, and 
Summary Screen is enabled. Option: 
Enabled or Disabled
Power on display Auto: During power process, the system will 
detect if any display device is connected on 
external video port. If any external display device 
is connected, the power on display will be in CRT 
(or projector) only mode. Otherwise it will be in 
LCD only mode.
Both: Simultaneously enable both the integrated 
LCD screen and the system’s external video port 
(for an external CRT or projector).Option: 
Both or Auto
Network Boot Enables, disables the system boot from LAN 
(remote server).Option: 
Enabled or Disabled
F12 Boot Menu Enables, disables Boot Menu during POST.
Option: 
Disabled or Enabled
D2D Recovery Enables, disables D2D Recovery function. The 
function allows the user to create a hidden 
partition on hard disc drive to store operation 
system and restore the system to factory 
defaults.Option: 
Enabled or Disabled 
						

							Chapter 244
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
PhoenixBIOS Setup Utility 
     Information       MainBoot
 
 
Item Specific Help 
Supervisor Password Is : 
User Password Is : Clear
Set Supervisor Password
Set User Password
Set HDD Password
  
Password on Boot[Disabled]
 
  
 
Supervisor Password 
controls accesses of the 
whole setup utility. 
It can be used to 
boot up when Password 
on boot is enabled. 
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub-Menu      F10 Save and Exit  
[Enter]
[Enter]
[Enter]Exit
Security
HDD Password Is : Clear
HDD Master ID : 15422442Clear 
						

							45Chapter 2
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE: When you are prompted to enter a password, you have three tries before the system halts. Don’t forget 
your password. If you forget your password, you may have to return your notebook computer to your 
dealer to reset it.
NOTE: The User Password can chagne the following items in BIOS: System Date, System Time and Power 
on Display on Main menu, System Devices menu and Set User Password function on Security menu. 
Meanwhile, the Supervisor Password can change ALL settings in BIOS.
Setting a Password
Follow these steps as you set the user or the supervisor password:
1.Use the w andy keys to highlight the Set Supervisor Password parameter and press the e key. The 
Set Supervisor Password box appears:
ParameterDescriptionOption
User Password Is Shows the setting of the user password.
Clear or Set
Supervisor Password Is Shows the setting of the Supervisor password. 
Please note that Supervisor Password controls 
access to the entire Setup. The Supervisor 
Password can be used to boot up when 
Password on boot is set to enabled.
Clear or Set
HDD Password Is Shows the setting of the HDD password.
Clear or Set
Set User Password Press Enter to set the user password. When 
user password is set, this password protects 
the BIOS Setup Utility from unauthorized 
access. The user can enter Setup menu only 
and does not have right to change the value of 
parameters.
Set Supervisor Password Press Enter to set the supervisor password. 
When set, this password protects the BIOS 
Setup Utility from unauthorized access. The 
user can not either enter the Setup menu nor 
change the value of parameters.
Set HDD Password Press Enter to set the HDD password. 
Primary Harddisk Security This feature is available to user when 
Supervisor password is set. Password can be 
written on HDD only when Supervisor 
password or user password is set and 
password on HDD is set to enabled. 
Supervisor Password is written to HDD only 
when Supervisor password is being set. User 
password is written to HDD when both 
passwords are set. When both Supervisor and 
user password are present, both passwords 
can unlock the HDD.
Disabled or Enabled
Password on Boot Defines whether a password is required or not 
while the events defined in this group 
happened. The following sub-options are all 
requires the Supervisor password for changes 
and should be grayed out if the user password 
was used to enter setup.
Disabled or Enabled