Acer Travelmate 4720 Service Guide

Chapter 131
NTI Shadow
NTI Shadow allows users to schedule continuous backup jobs that copy the contents of one or more folders 
(the backup source) to another location (the backup destination). The backup jobs are continuous because 
they are scheduled to regularly update the data in the backup folder either continuously or in user-defined 
intervals. You can schedule a job to run every certain number of minutes, on certain days at a specified time, 
or whenever any data in the backup source are...

32Chapter 1
Hardware Specifications and Configurations
Processor
ItemSpecification
CPU type
Intel Core 2 Duo 
T7100 Mobile 
ProcessorIntel Core 2 Duo 
T7300 Mobile 
Processor Intel Core2 Duo 
T7500 Mobile 
Processor  Intel Core 2 Duo 
T7700 Mobile 
Processor 
Clock Speeds 1.8 GHz 2.0 GHz 2.2 GHz 2.4 GHz
L2 Cache 2 MB 4 MB 4 MB 4 MB
Front Side Bus 800 MHz
Socket Interface Socket P (PGA/BGA)
System Board Major Chipsets
ItemSpecification
System core logic Intel GM965 Express + Intel ICH8M chipset
HDD...

Chapter 133
Interface 
transfer rate 
(Mbytes/s, 
max)150 N/A 150
Voltage 
tolerance5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
BIOS
ItemSpecification
BIOS vendor Phoenix
BIOS Version v0.25 
Supported protocols ACPI 1.0b/2.0/3.0 compliance, PCI 2.2, System/HDD Password 
Security Control, INT 13h Extenstions, PnP BIOS 1.0a, SMBIOS 2.4, 
BIOS Boot Specification, Simple Boot Flag 1.0, Boot Block, PCI Bus 
Power Management Interface Specification, USB Specification 1.1/2.0, 
IEEE 1394 1.0, USB/1394 CD-ROM Boot...

34Chapter 1
 
 
  Audio
ItemSpecification
Audio controller Realtek ALC268 Codec
Features Two built-in Acer 3DSonic stereo speakers, Supports high definition audio, 
Built-in microphone, MS-sound compatible
PCMCIA Port
ItemSpecification
PCMCIA controller TI7412 
Card type support Type-II
Number of slot One 
LAN
ItemSpecification
LAN controller Intel ICH8M + Broadcom 5785KMLG chipsets
LAN connector type RJ45
Features Onboard Gigabit Ethernet, PCI-E interface, support ASF 2.0 
Wireless LAN module...

Chapter 135
 
Keyboard and Input Devices
ItemSpecification
Keyboard controller Winbond WPC8768L
Model name Acer FineTouch keyboard
Features 5-degree curve, 88-/89- key, inverted “T” cursor layout, 2.5 mm (minimum) key 
travel,  touchpad pointing device with 4-way scroll button or Acer BioProtect 
fingerprint reader supporting Acer Finger Nav 4-way control function, hotkey 
controls, embedded numeric keypad, multi-language support, three easy-
launch buttons, three productivity keys, and two front-access...

36Chapter 1
 Data transfer rate  Write: 
• CD-R: 24X CAV
• CD-RW: 24X CAV
•DVD-R/+R/+RW/-
RW (single layer): 
6X, 8X ZCLV
• DVD-R/+R (double 
layer): 8X CAV
• DVD-RAM: 5X ZCLV
Read:
• CD-R/RW/ROM: 24X 
Max
• DVD-ROM (single 
layer): 8X
• DVD-ROM (double 
layer): 6X
• DVD-RAM: 5X ZCLV.
•DVD-R/+R/+RW/-
RW (single layer): 8X 
CAV
• DVD-R/+R (double 
layer): 6X CAVWrite: 
• CD-R: 24X
• CD-RW: 24X
•DVD-RW: 6X
•DVD-R/+R/+RW: 8X
Read:
• DVD-RAM: 5XWrite:
• CD-R: 24X
• CD-RW: 16X
•DVD-R: 8X
•DVD-RW: 4X
•...

Chapter 137
Active area (mm) 303.36 x 189.6 N/A 305.8 x 183.2303.4 x 189.6
Pixel pitch (mm) 0.237 N/A 0.2385 (107) 0.237
Mode TN N/A N/A N/A
Number of colors 262 K 262 K 262,144 (6 bit) 262 K
Color saturation (NTSC%) 45 N/A 45% N/A
Typical white luminance (cd/
m
2) also called brightness200 220 185 (typ.5p) 200
Contrast ratio 400:1 300:1 500:1 500:1
Response time (optical rise 
time + fall time) (msec)16 16 25 25
Power consumption (watt) 5.1 5.3 N/A N/A
Supply voltage (v) 3.3 N/A N/A N/A
Backlight 1 CCFL...

38Chapter 1 

Chapter 239
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your system’s BIOS (Basic Input/Output 
System). Since most systems are already properly configured and optimized, there is no need to run this utility. 
The BIOS setup utility stores basic settings for your system. You will need to run this utility if you encounter 
configuration problems. Refer to Chapter 4 Troubleshooting when problem arises.
Entering BIOS Setup
Power on the system to start the system...

40Chapter 2
Information Menu
  
NOTE: The system configuration information varies in different models.
ParameterDescription
CPU Type Type of processor currently installed in the system.  
CPU Speed Speed of the processor currently installed in the system.
IDE0 Model Name Model name of HDD installed on the primary IDE channel.
IDE0 Serial Number Serial number of HDD installed on the primary IDE channel.
IDE1 Model Name Model name of devices installed on the secondary IDE channel. The hard disk drive or...