Acer Travelmate 2490 Service Guide

Chapter 135
Hardware Specifications and Configurations
  Processor
ItemSpecification
CPU typeFor Aspire 5680/5630 TravelMate 4280/4230
Intel
® CoreTM 2 Duo processor T7200/7400/7600 (4 MB L2 cache, 2.0/
2.16/2.33 GHz, 667 MHz FSB) and T5500/5600 (2MB L2 cache, 1.66/1.83 
GHz, 667 MHz FSB), supporting Intel
® EM64T
For Aspire 3690/TravelMate 2490
Intel
® Celeron® M processor 410/420/430 (1 MB L2 cache, 1.46/1.60/1.73 
GHz, 533 MHz FSB) or higher
Core logicFor Aspire 5680/5630 TravelMate 4280/4230 
Intel
®...

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NOTE: Above table lists some system memory configurations. You may combine DIMMs with various 
capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be 
reversed. System Memory
ItemSpecification
Memory controller
Built-in Intel
® 945GM/945PM (for Aspire 5680/5630;TravelMate 4280/
4230)
Built-in Intel
® 940GML (for Aspire 3690/TravelMate 2490)
Memory size 0MB (no on-board memory)
DIMM socket number 2 sockets
Supports memory size per socket...

Chapter 137
 
Supports LAN protocol 10/100Mbps
LAN connector type RJ45
LAN connector location Right side
Features Integrated 10/100 BASE-T transceiver
Wake on LAN support compliant with ACPI 2.0
PCI v2.2
Modem Interface
ItemSpecification
Data modem data baud rate (bps) 56K
Supports modem protocol V.90/V.92
Modem connector type RJ11
Modem connector location Right side
Bluetooth Interface
ItemSpecification
Chipset
Built-in Intel
® ICH7-M
Data throughput 723 bps (full speed data rate)
Protocol Bluetooth...

38Chapter 1
Spindle speed 
(RPM)4200 RPM 4200 RPM 4200 RPM
Performance Specifications
Buffer size  2048KB 8192KB 8192KB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6
Max. media 
transfer rate 
(disk-buffer, 
Mbytes/s)372 350 350
Data transfer 
rate 
(host~buffer, 
Mbytes/s)100 MB/Sec.
Ultra DMA mode-5100 MB/Sec.
Ultra DMA mode-5100 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Voltage 
tolerance5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
Combo Drive Interface
ItemSpecification
Vendor &...

Chapter 139
Applicable disc formatSupport disc formats
1. Reads data in each CD-ROM, CD-ROM XA, CD-1, Video CD, CD-Extra and 
CD-Text
2. Reads data in Photo CD (single and Multi-session)
3. Reads standard CD-DA
4. Reads and writes CD-R discs
5. Reads and writes CD-RW discs
6. Reads and writes in each dVD+R/RW (Ver. 1.1)
7. Reads data in each DVD-ROM and DVD-R (Ver. 2.0 for Authoring)
8. Reads and writes in each DVD-R (Ver. 2.0 for general), DVD-RW and 
DVD+R/RW (Ver1.1)
Loading mechanism Load: Manual...

40Chapter 1
NOTE: RAMDAC refers to Random Access Memory Digital to Analog Converter: the VGA controller chip that 
maintains the range of colors and converts data from memory into analog signals for the monitor.
  Video Interface
ItemSpecification
Chipset
Built-in Intel
® 945GM for UMA models
NVIDIA
® GeForceTM Go 7300 (72MV) for discrete models
Package 35.5 mm x 40 mm 1257 pin mBGA
Interface internal PCIE 
Supports ZV (Zoomed Video) port Yes
Memory Interface 64-bit
Memory Bandwidth(GB/sec) 5.6
Fill Rate...

Chapter 141
 
VGA
Built in Intel®945GM for UMA models
NVIDIA
® GeForceTM Go 7300 (72MV) for discrete models
LAN ENE BCM4401E
USB 2.0 Built in ICH7-M
Super I/O controller SMsC LPC47N207
MODEM Built-in ICH7-M
Bluetooth Built-in ICH7-M
Wireless 802.11 b+g Built-in ICH7-M
PCMCIA ENE CB714
HD Audio Realtek ALC883
Keyboard
ItemSpecification
Keyboard controller ENE KB 910Q
Total number of keypads 88-/89-key
Windows logo key Yes
Internal & external keyboard work 
simultaneouslyPlug USB keyboard to the USB port...

42Chapter 1
LCD 15.4” inch
ItemSpecification
Vendor & model 
nameAUO 
B154EW01 V8
AUO 
B154EW01V9CMO N154I1-
L0B
CMO N154I1-
L0CLG LPL 
LP154W01-TLE
LG LP154W01-
TLA2
LG LPL 
LP154W01-
TLD1QDI 
QD15TL07-01SAMSUNG 
LTN154X3-L01-
V1A4
Screen Diagonal 
(mm)15.4 inches 15.4 inches 15.4 inches 15.4 inches 15.4 inches
Active Area (mm) 331.2x207.0 331.2x207.0 331.2x207.0 331.2x207.0 331.2x207.0
Display resolution 
(pixels)1280x800WXG
A1280x800WXG
A1280x800WXG
A1280x800WXG
A1280x800WXG
A
Pixel Pitch...

Chapter 143
LCD Inverter
ItemSpecification
Vendor & model name Darfon/V189-301GP
Brightness conditions N/A
Input voltage (V) 9~21
Input current (mA) 2.56 (max)
Output voltage (V, rms) 780V (2000V for kick off)
Output current (mA, rms) 6.5 (max)
Output voltage frequency (k Hz) 65K Hz (max)
AC Adaptor
ItemSpecification
Input rating 90V AC to 264V AC, 47Hz to 63Hz
Maximum input AC current 1.7A
Inrush current  220A@115VAC
220A@230VAC
Efficiency 82% min. @115VAC input full load
System Power Management
ACPI...

44Chapter 1