Mobile Internet device

Mobile Internet device

A mobile Internet device (MID) is a multimedia-capable mobile device providing wireless Internet access.[1][2][3] They are designed to provide entertainment, information and location-based services for personal use, rather than for corporate use. They allow 2-way communication and real-time sharing. An MID is larger than a smartphone but smaller than an Ultra-Mobile PC (UMPC).[citation needed] They have been described as filling a niche between smartphones and Tablet PCs.[4] They are an easy way to stay in contact with others wirelessly.

Lenovo Ideapad U8 MID.
The Nokia N810 is an example of a MID.


Archos internet tablets

The class of mobile internet tablets from Archos has included multiple operating systems: Windows CE, Android, and Windows 7. The form factor is very similar to the Lenovo image on the right. The Android tablet uses an ARM Cortex CPU and a touchscreen.

Intel MID platforms

MID with Atom: Gigabyte M528

Intel announced a prototype MID at the Intel Developer Forum in Spring 2007 in Beijing. A MID development kit by Sophia Systems using Intel Centrino Atom was announced in April 2008.[5]

Intel MID platforms are based on an Intel processor and chipset which consume less power than most of the x86 derivatives. A few platforms have been announced as listed below:

McCaslin platform (2007)

Intel's first generation MID platform (codenamed McCaslin) contains a 90 nm Intel A100/A110 processor (codenamed Stealey) which runs at 600–800 MHz.

Centrino McCaslin platform
Mobile chipset an Intel 945GU Express MCH northbridge (codenamed Little River) with integrated GMA 950 graphics and a ICH7-U southbridge
Mobile processor a 90 nm Intel A100/A110 CPU (codenamed Stealey)
Wireless network

Menlow platform (2008)

On 2 March 2008, Intel introduced the Intel Atom processor brand[6] for a new family of low-power processor platforms. The components have thin, small designs and work together to "enable the best mobile computing and Internet experience" on mobile and low-power devices.

Intel's second generation MID platform (codenamed Menlow) contains a 45 nm Intel Atom processor (codenamed Silverthorne) which can run up to 2.0 GHz and a System Controller Hub (codenamed Poulsbo) which includes Intel HD Audio (codenamed Azalia). This platform was initially branded as Centrino Atom but such practice was discontinued in Q3 2008.

Centrino Menlow platform
Mobile chipset a Intel SCH (codenamed Poulsbo) with integrated GMA 500 graphics (PowerVR SGX 535 based)
Mobile processor a 45 nm Intel Atom CPU (codenamed Silverthorne)
Wireless network a wireless radio

Moorestown platform (2009)

Intel's third generation MID platform (codenamed Moorestown) contains a 45 nm Intel Atom processor (codenamed Lincroft) and a 65 nm Platform Controller Hub (codenamed Langwell). Since the memory controller and graphics controller are all now integrated into the processor, the northbridge has been removed and the processor communicates directly with the southbridge via the DMI bus interface.

Atom Moorestown platform
Mobile chipset a 65 nm Intel PCH (codenamed Langwell) and an MSIC (codenamed Briertown)
Mobile processor a 45 nm Intel Atom CPU (codenamed Lincroft) with integrated GMA 600 graphics (PowerVR SGX 535 based)
Wireless network a wireless radio (codenamed Evans Peak)[7]

Medfield platform (2011)

Intel's fourth generation MID platform (codename Medfield) contains a 32 nm Intel Atom processor.

Atom Medfield platform
Mobile chipset
Mobile processor a 32 nm Intel Atom CPU
Wireless network a wireless radio

Operating system

Intel announced collaboration with Ubuntu to create Ubuntu for mobile internet devices distribution, known as Ubuntu Mobile. Ubuntu's website says the new distribution "will provide a rich Internet experience for users of Intel’s 2008 Mobile Internet Device (MID) platform."[8] Another MID Open Source Linux distribution is Moblin,[9] which had been merged into the new MeeGo project that has been merged with LiMo into Tizen project.

See also


External links

Wikimedia Foundation. 2010.

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