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
® 945GM/945PM+ICH7-M
For Aspire 3690/TravelMate 2490
Mobile Intel
® 940GML Express chipset
CPU package  4MB L2 cache 478-pin micro-FCPGA
2MB L2 cache 479-ball micro-FCBGA
CPU core voltage N/A
BIOS
ItemSpecification
BIOS vendor Phneoix
BIOS Version
BIOS ROM type 512K Flash ROM
BIOS ROM size 1MB Flash BIOS
BIOS package 32-pin PLCC
Supported protocols ACPI 1.0b/2.0/3.0, PCI2.2, System/HDD Password Security Control, INT 
13h Extensions, PnP 1.0a, SMBIOS 2.4, BIOS Boot Specification 
(Compaq, Phoenix, INtel), Simple Boot Flag 1.0, Boot Block, PCI Bus 
Power Management Interface Specification,USB 1.1/2.0, PC Card 95, IrDA 
1.0, Intel AC97 CNR Specification, WfM 2.0, PXE 2.1, Boot Integrity 
Service Application Program Interface (BIS) 1.0, PC99a and Mobile 
PC2001 Compliant, Intel (R) SpeedStep Technology, Legacy 1394 Device 
support, DMI 2.0, PS/2 keyboard and mouse
BIOS password control Set by setup manual
Second Level Cache
ItemSpecification
Cache controller Built-in CPU
Cache size
 4MB for Intel
® CoreTM 2 Duo processor T7200/7400/7600 Processor
2MB for Intel
® CoreTM 2 Duo processor T5500/5600 Processor
2MB for Intel
® Celeron®  M processor 410/420/430
1st level cache control Always enabled
2st level cache control Always enabled
Cache scheme control Fixed in write-back 
						

							36Chapter 1
  
  
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 2048MB (Aspire 5680/5630; TravelMate 4280/4230)
1024MB (Aspire 3690/TravelMate 2490)
Supports maximum memory size 4G (by two 2048MB SO-DIMM modules)
2G (by two 1024MB SO-DIMM modules)
Supports DIMM type DDR 2 Synchronous DRAM
Supports DIMM Speed 400 MHz
Supports DIMM voltage 1.8V
Supports DIMM package 200-pin soDIMM
Memory module combinations You can install memory modules in any combinations as long as they 
match the above specifications.
Memory Combinations
Slot 1Slot 2Total Memory
0MB 128MB 128MB
0MB 256MB 256MB
0MB 512MB 512MB
0MB 1024MB 1024MB
128MB 128MB 256MB
128MB 256MB 384MB
128MB 512MB 640MB
128MB 1024MB 1152MB
256MB 128MB 384MB
256MB 256MB 512MB
256MB 512MB 768MB
256MB 1024MB 1280MB
512MB 128MB 640MB
512MB 256MB 768MB
512MB 512MB 1024MB
512MB 1024MB 1536MB
1024MB 0MB 1024MB
1024MB 128MB 1152MB
1024MB 256MB 1280MB
1024MB 512MB 1536MB
1024MB 1024MB 2048MB
LAN Interface
ItemSpecification
Chipset BroadCom BCM4401E 
						

							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 2.0
Interface USB 1.1
Connector type Mini-USB
Wireless Module 802.11b/g (optional device)
ItemSpecification
Chipset Built-in ICH7-M
Data throughput 11~54 Mbps
Protocol 802.11b+g
Interface Mini-PCI type II (What does PCI Bus means on the system block 
diagram?)
Hard Disk Drive Interface
Item
Vendor & 
Model NameSeagate 40G ST9402112A
Toshiba MK4025GAS   
Hitachi HTS421240H9AT00
WD WD400UE-22HCT0
Samsung M40MP0402HSeagate ST96812A
Seagate ST960821A
Toshiba MK6025GAS
HGST HTS541260H9AT00
WD WD600UE-22HCT0TOSHIBA MK8025GAS   
HITACHI HTS421280H9AT00
SEAGATE ST9808210A
SEAGATE ST98823A
TOSHIBA MK8026GAX
HGST HTS541280H9AT00
WD WD800UE-22HCT0
Capacity (MB) 40000 60000 80000
Bytes per 
sector512 512 512
Data heads 2 3 (for Hitachi and Seagate)
4 (for Toshiba)4 (for Hitachi)
3 (for Seagate)
Drive Format
Disks122
LAN Interface
ItemSpecification 
						

							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 & model name DVD/CDRW HLDS GCC-4244N
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/secSustained:
Max 10.8Mbytes/sec
Buffer Memory 2MB
Interface Enhanced IDE(ATAPI) compatible
Applicable disc format DVD: DVD-ROM, (DVD-5, DVD-9, DVD-10, DVD-18),DVD-R (read, single 
border), DVD-RW, DVD-RAM (2.6GB, 4.7GB)
CD:  CD-DA, CD-ROM, CD-ROM XA, CD-R, CD-RW Photo (Multisession) 
Video CD, CD-Extra, (CD+), CD-test
Loading mechanism Load: Manual
Release: (a) Electrical Release (Release Button)
               (b) Release by ATAPI command 
               (c) Emergency Release
Power Requirement
Input Voltage 5 V +/- 5 % (Operating) 
DVD-Dual Interface
ItemSpecification
Vendor & model name LITEON SOSW-833S
PIONEER DVR-K16RA
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/secSustained:
Max 10.8Mbytes/sec
Buffer Memory 2MB
Interface Enhanced IDE(ATAPI) compatible
Hard Disk Drive Interface
Item 
						

							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
Release: (a) Electrical Release (Release Button)
               (b) Release by ATAPI command 
               (c) Emergency Release
Power Requirement
Input Voltage 5 V +/- 5 % (Operating) 
HD Audio Interface
ItemSpecification
Audio Controller ALC883
Audio onboard or optional Built-in
Mono or Stereo Stereo
Resolution Wide range (°V80dB ~ +42dB) volume control with 1.5dB 
resolution of analog to analog mixer gain 
16 bit stereo digital to analog converter
16 bit stereo analog to digital converter
Compatibility HD Audio
Mixed sound source Line-in, CD
Voice channel 8/16-bit, mono/stereo
Sampling rate All DACs support 44.1k/48k/96k/192kHz sample rate 
All ADCs support 44.1k/48k/96kHz sample rate 
16/20/24-bit S/PDIF-OUT supports 44.1k/48k/96k/192kHz sample 
rate 
16/20/24-bit S/PDIF-IN supports 44.1k/48k/96kHz sample rate
Internal microphone Yes
Internal speaker / Quantity Yes/2
DVD-Dual Interface
ItemSpecification 
						

							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 (Gpixels/sec) 1.4
Vertices/Second (Millions) 260
Memory Data Rate (MHz) 700
RAMDACs (MHz) 400
Video Memory
ItemSpecification
Chipset
Built-in Intel
® 945GM for UMA models
NVIDIA
® GeForceTM Go 7300 (72MV) for discrete models
Memory size 64MB/128MB
Interface DDR2
USB Port
ItemSpecification
Chipset Built-in ICH7-M
USB Compliancy Level 2.0
OHCI USB 1.1 and USB 2.0 Host controller
Number of USB port 3
Location  Three on the right side
Serial port function control Enable/Disable by BIOS Setup
PCMCIA Port
ItemSpecification
PCMCIA controller ENE CB714
Supports card type Type-II
Number of slots One type-II
Access location Left panel
Supports ZV (Zoomed Video) port No ZV support
Supports 32 bit CardBus  Yes
System Board Major Chips
Item Controller
Core logic
Intel
® 945GM?945PM+ICH7-M 
						

							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 directly: Yes
Battery
ItemSpecification
Vendor & model name Sanyo (6cell) 2.0
Sony (6cell) 2.0
Panasonic (6cell) 2.0
Snayo (6cell) 2.4
Sony (6cell) 2.4
Panasonic (6cell)2.4
Sanyo (9cell) 2.4
Battery Type Li-ion
Pack capacity  4000 mAH forSanyo (6cell) 2.0
3920 mAH Sony (6cell) 2.0
3900 mAH Panasonic (6cell) 2.0
4800 mAH Snayo (6cell) 2.4
4800 mAH Sony (6cell) 2.4
4800 mAH Panasonic (6cell)2.4
Sanyo (9cell) 2.4
Number of battery cell 6/9
Package configuration 3 cells in series, 2 series in parallel
3 cells in series, 3 series in parallel
Normal voltage 14.8V
Charge voltage 16.8+-0.2v
System Board Major Chips
Item Controller 
						

							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 0.2588x0.2588 0.2588x0.2588 0.2588x0.2588 0.2588x0.2588 0.2588x0.2588
Pixel Arrangement R.G.B. Vertical 
StripeR.G.B. Vertical 
StripeR.G.B. Vertical 
StripeR.G.B. Vertical 
StripeR.G.B. Vertical 
Stripe
Display Mode Normally White Normally White Normally White Normally White Normal White
Typical White 
Luminance (cd/
m
2)
also called 
Brightness180 190 185 185 200
Luminance 
UniformityN/AN/AN/AN/AN/A
Contrast Ratio 400 500 300 400 300
Response Time 
(Optical Rise 
Time/Fall 
Time)msec16 10/20 25 6/10 25
Nominal Input 
Voltage VDDN/A +3.3V +3.3V 3.3V 3.3V
Ty p i c a l  Po w e r  
Consumption 
(watt)N/A 4.22 N/A N/A 4.2
Weight 585 625 585 585 530
Physical Size(mm) 344x222x6.2 344x222x6.2 344x222x6.35 
(max)344x222x6.2 344x222x6.2
Electrical Interface 1 channel LVDS 1 channel LVDS 1 channel LVDS 1 channel LVDS 1 channel LVDS
Support Color 262,144 262,144 262,144 262,144 262,144
Viewing Angle 
(degree)
Horizontal: Right/
Left
Vertial: Upper/
Lower40/40/
10/3045/45
15/3560/60
40/5045/45
15/3545/45
15/35
Temperature 
Range( C)
Operating
Storage (shipping)0 to +50
-20 to +600 to +50
-20 to +600 to +50
-25 to +600 to +50
-20 to +600 to +50
-20 to +60
° 
						

							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 modePower Management
Mech. Off (G3) All devices in the system are turned off completely.
Soft Off (G2/S5) OS initiated shutdown. All devices in the system are turned off 
completely.
Working (G0/S0) Individual devices such as the CPU and hard disc may be power 
managed in this state.
Suspend to RAM (S3) 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
Save to Disk (S4) Also called Hibernation Mode. System saves all system states and 
data onto the disc prior to power off the whole system. 
						

							44Chapter 1