Acer laptop, what mother board does it use?

 I have a acer aspire 5542, And would like to know the mother broad it uses
Thanks for your help






Brand Acer
Model Aspire 5542
Operating system Windows 7 Home Premium 64 Bit
Processor / Graphics AMD Athlon II Dual-Core M300 2.00 GHz

ATI Mobility Radeon HD 4200 Series
Memory 4 GB Dual-Channel DDR2 SDRAM 667 MHz
Hard drive SATA 500 GB HDD 5400 rpm
Display / Resolution 15.6-inch HD 1366×76 resolution high brightness Acer CineCrystal TFT LCD, 16:9 aspect ratio, 8 ms response time, 60% color gamut
Removable Storage 8X DVD-Super Multi double-layer drive
Wireless Support Atheros AR5B93 Wireless Network Adapter 802.11 n, b, g
Communications Broadcom NetLink Gigabit Ethernet, HDAUDIO Soft Fax Modem with SmartCP, Acer Video Conferencing with Integrated Acer Crystal Eye Webcamer featuring 640×480 resolution, Bluetooth 2.1
Input Devices Full-size keyboard including number pad, Synaptics touchpad with Multi-Gesture support
Power 6-cell Li-ion with up to 3 hours of battery life
Accessories Extra battery, external USB floppy, extra AC adapter
Security software/features Acer Backup Manager1, Acer Bio-Protection1, Acer eRecovery Management, McAfee® Internet Security Suite 2009 Trial, MyWinLocker®, Nortonâ„¢ Online Backup
Other Software Acer Arcadeâ„¢ Deluxe featuring Acer CinemaVisionâ„¢ and Acer ClearVisionâ„¢ technologies, Acer Crystal Eye, Acer GridVistaâ„¢, Acer Launch Manager, Adobe® Flash® Player, Adobe® Reader®, EarthLink®1, eSobiâ„¢, Google Toolbarâ„¢, Microsoft® Works with Office Home and Student 2007 Trial, NetZero®, NTI Media Makerâ„¢, Oberon GameZone, WildTangent®
Memory card reader Media Card Reader supporting SD, MMC, RS-MMC, MS, MS Pro, xD
Accessible memory slots 2 slots
Maximum Memory Expansion Up to 4 GB
Ports Headphone/speaker/line-out jack with S/PDIF support, Microphone-in jack, Line-In jack, Ethernet (RJ-45) port, Modem (RJ-11) port, DC-in jack for AC adapter
Additional Ports None
Audio Dolby®-optimized surround sound system with two built-in stereo speakers, Optimized 3rd Generation Dolby Home Theater® audio enhancement, featuring Dolby® Digital Live, Dolby® Pro Logic® IIx, Dolby® Headphone, Dolby® Natural Bass, Dolby® Sound Space Expander, Dolby® Audio Optimization, Dolby® High Frequency Enhancer technologies10, True 5.1-channel surround sound output

High-definition audio support S/PDIF (Sony/Philips Digital Interface)11 support for digital speakers, MS-Sound compatible

Built-in microphone
ENERGY STAR Qualified Energy Star 5.0
Weight 6.16 lbs (2.8 kg) with battery
Dimension 15.1 x 9.9 x 1.03 to 1.5 inches, 383 x 250 x 26 to 37 mm
Thinness 1.03 to 15 inches, 26 to 37 mm
Network Card Broadcom NetLink Gigabit Ethernet, HDAUDIO Soft Fax Modem with SmartCP
PC Card Slot None
Webcam Acer Crystal Eye Webcamera featuring 640×480 resolution
Multimedia and Entertainment Acer Arcadeâ„¢ Deluxe featuring Acer CinemaVisionâ„¢ and Acer ClearVisionâ„¢ technologies, Acer Crystal Eye, Adobe® Flash® Player, NTI Media Makerâ„¢, Oberon GameZone, WildTangent®
Warranty Limited 1-year and 90 day warranty options available depending on country, 1-year limited warranty on primary battery. Optional HP Care Pack Services extended warranty