M14x Teardown video

As seen in the video, this 14" laptop has both gpu integrated to the motherboard, the Intel 3000 and the NVIDIA 555 with the 1,5 o 3GB of RAM. It also features two RAM slots and besides the bay for the HDD another for the slot loading optical drive (that can be replaced for another HDD manually).
The m14x presents a good thermal design which offers a great temperature dissipation even with only one fan in the entire system, that working along with two heatpipes, one for the CPU and another for the GPU, maintain the system well cooled. 
This a good GPU Overclocker machine, raising the clocks will hit a driver limmit before reaching an unsafe temperature.

Intel HM67 Chipset based Motherboard

Ports:
(1x) RJ-45 Gigabit Ethernet
(2x) SuperSpeed USB 3.0 Ports
(1x) Hi-Speed USB 2.0 Port with PowerShare Technology
(1x) Mini-Display Port
(1x) HDMI 1.4 Audio and Video Output
(1x) VGA Port
(1x) 9-in-1 Media Card Reader
(2x) Audio Out 1/8" Ports
(1x) Audio In / Microphone 1/8" Port (retaskable for 5.1 audio)
(1x) Security Lock port 

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2nd Generation Intel i5 and i7 Processors

Intel® Core™ i5 2410M 2.3GHz (2.9GHz w/Turbo Boost, 3MB Cache)
Intel® Core™ i7 2630QM 2.0GHz (2.9GHz w/Turbo Boost, 6MB Cache)
Intel® Core™ i7 2720QM 2.2GHz (3.3GHz w/Turbo Boost, 6MB Cache)
Intel® Core™ i7 2820QM 2.3GHz (3.4GHz w/Turbo Boost, 8MB Cache)

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Bios:

A01:  ftp://ftp.dell.com/bios/M14R1A01-W64.exe
4/21/11
A01: ftp://ftp.dell.com/bios/M14R1A01.exe 
4/21/11
A03:  ftp://ftp.dell.com/bios/specta03-W64.exe
5/24/11
A03:  ftp://ftp.dell.com/bios/specta03.exe
5/24/11
* Modify when playing games, system would shutdown in DC mode
* Fix DTM test fail solution(ACPI driver resume time)
* Update NV VBios for Samsung 128Mx16
* Fix FFS no function when resume from S3 with ATA mode
A04:  ftp://ftp.dell.com/bios/M14xR1A04.exe
8/8/2011
* Support new CPUs
A05:  http://ftp.us.dell.com/bios/M14xR1A05.exe
8/24/2011
* Improve fan noise.