Longmeng
Encyclopedia
Lemote is a computer
company established as a joint venture between the Jiangsu Menglan Group and the Chinese
Institute of Computing Technology, involved in computer
hardware
and software
products
, services, and projects.
. The venture was named Jiangsu Lemote Tech Co., Ltd. The predecessor organization was the Center of Technology Research and Development of Jiangsu Loongson CPU Industrialization Base.
A computer was announced by Zhang Fuxin, an ICT engineer, who said the purpose of this project was to "provide everyone with a personal computer". The device is intended for low income groups and rural area students.
design
services, helps develop the Loongson series of MIPS
-based RISC
microprocessor
s, and builds small form factor
computers including network computers and netbook
s.
RISC processors used in all Lemote products. Some Loongsons include on-chip circuits to help resist buffer overflow attacks.
from the BIOS
upwards, and for this reason is used and recommended by Richard Stallman
as of January 23, 2010 and September 2008.
Lemote also collaborated in the development of the Gdium
netbook which uses its Loongson MIPS processor.
Myloong, desktop diskless network computer (NC), without monitor or keyboard.
Fuloong, see below.
, €100 euro
s, $131 United States dollar
s. It ships with two Linux distributions, Debian
and Rays Linux, but any other distribution that has a mipsel
port can be installed, e.g. Gentoo Linux
.
specifications as of 28 October 2006 are:
The specifications are:
GNU
/Linux
, eCos
, MicroC/OS-II
, VxWorks
, Microsoft Windows CE
, Java
, OpenOffice.org
and Yongzhong Office by Wuxi Yongzhong Tech Co. It also develops a Loongson processor
simulator
based on GXemul
.
Computer
A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...
company established as a joint venture between the Jiangsu Menglan Group and the Chinese
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...
Institute of Computing Technology, involved in computer
Computer
A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...
hardware
Computer hardware
Personal computer hardware are component devices which are typically installed into or peripheral to a computer case to create a personal computer upon which system software is installed including a firmware interface such as a BIOS and an operating system which supports application software that...
and software
Computer software
Computer software, or just software, is a collection of computer programs and related data that provide the instructions for telling a computer what to do and how to do it....
products
Product (business)
In general, the product is defined as a "thing produced by labor or effort" or the "result of an act or a process", and stems from the verb produce, from the Latin prōdūce ' lead or bring forth'. Since 1575, the word "product" has referred to anything produced...
, services, and projects.
History
In June 2006, the Jiangsu Menglan Group began a joint venture with the Institute of Computing Technology of the Chinese Academy of SciencesInstitute of Computing Technology of the Chinese Academy of Sciences
The Institute of Computing Technology of the Chinese Academy of Sciences was founded in 1956. It is the first academic establishment to specialize in comprehensive research on computer science and technology in China...
. The venture was named Jiangsu Lemote Tech Co., Ltd. The predecessor organization was the Center of Technology Research and Development of Jiangsu Loongson CPU Industrialization Base.
A computer was announced by Zhang Fuxin, an ICT engineer, who said the purpose of this project was to "provide everyone with a personal computer". The device is intended for low income groups and rural area students.
Hardware
Lemote, with partners, provides integrated circuitIntegrated circuit
An integrated circuit or monolithic integrated circuit is an electronic circuit manufactured by the patterned diffusion of trace elements into the surface of a thin substrate of semiconductor material...
design
Integrated circuit design
Integrated circuit design, or IC design, is a subset of electrical engineering and computer engineering, encompassing the particular logic and circuit design techniques required to design integrated circuits, or ICs...
services, helps develop the Loongson series of MIPS
MIPS architecture
MIPS is a reduced instruction set computer instruction set architecture developed by MIPS Technologies . The early MIPS architectures were 32-bit, and later versions were 64-bit...
-based RISC
Reduced instruction set computer
Reduced instruction set computing, or RISC , is a CPU design strategy based on the insight that simplified instructions can provide higher performance if this simplicity enables much faster execution of each instruction. A computer based on this strategy is a reduced instruction set computer...
microprocessor
Microprocessor
A microprocessor incorporates the functions of a computer's central processing unit on a single integrated circuit, or at most a few integrated circuits. It is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and...
s, and builds small form factor
Small form factor
A small form factor is a computer form factor designed to minimize the volume of a desktop computer. For comparison purposes, the size of an SFF case is usually measured in litres. SFFs are available in a variety of sizes and shapes, including shoeboxes, cubes, and book-sized PCs...
computers including network computers and netbook
Netbook
Netbooks are a category of small, lightweight, legacy-free, and inexpensive laptop computers.At their inception in late 2007 as smaller notebooks optimized for low weight and low cost — netbooks omitted certain features , featured smaller screens and keyboards, and offered reduced computing...
s.
Loongson processors
Loongson is a range of MIPS instruction setInstruction set
An instruction set, or instruction set architecture , is the part of the computer architecture related to programming, including the native data types, instructions, registers, addressing modes, memory architecture, interrupt and exception handling, and external I/O...
RISC processors used in all Lemote products. Some Loongsons include on-chip circuits to help resist buffer overflow attacks.
Netbook computers
The Yeeloong netbook computer is intended to be built on free softwareFree software
Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...
from the BIOS
BIOS
In IBM PC compatible computers, the basic input/output system , also known as the System BIOS or ROM BIOS , is a de facto standard defining a firmware interface....
upwards, and for this reason is used and recommended by Richard Stallman
Richard Stallman
Richard Matthew Stallman , often shortened to rms,"'Richard Stallman' is just my mundane name; you can call me 'rms'"|last= Stallman|first= Richard|date= N.D.|work=Richard Stallman's homepage...
as of January 23, 2010 and September 2008.
Lemote also collaborated in the development of the Gdium
Gdium
The Gdium is a subnotebook / netbook computer produced by EMTEC. The Gdium product is distinguished by its unique Loongson MIPS processor and the use of a USB key as a primary storage device...
netbook which uses its Loongson MIPS processor.
Desktop computers
Lynloong, all-in-one desktop computer, combined computer and monitor, without keyboard.Myloong, desktop diskless network computer (NC), without monitor or keyboard.
Fuloong, see below.
Products in development
Hiloong, SOHO and family storage center.Fuloong 2 series of small desktop computers
The Fuloong 2 series is a desktop computer that costs ¥1,015 Chinese yuanChinese yuan
The yuan is the base unit of a number of modern Chinese currencies. The yuan is the primary unit of account of the Renminbi.A yuán is also known colloquially as a kuài . One yuán is divided into 10 jiǎo or colloquially máo...
, €100 euro
Euro
The euro is the official currency of the eurozone: 17 of the 27 member states of the European Union. It is also the currency used by the Institutions of the European Union. The eurozone consists of Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg,...
s, $131 United States dollar
United States dollar
The United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....
s. It ships with two Linux distributions, Debian
Debian
Debian is a computer operating system composed of software packages released as free and open source software primarily under the GNU General Public License along with other free software licenses. Debian GNU/Linux, which includes the GNU OS tools and Linux kernel, is a popular and influential...
and Rays Linux, but any other distribution that has a mipsel
MIPS architecture
MIPS is a reduced instruction set computer instruction set architecture developed by MIPS Technologies . The early MIPS architectures were 32-bit, and later versions were 64-bit...
port can be installed, e.g. Gentoo Linux
Gentoo Linux
Gentoo Linux is a computer operating system built on top of the Linux kernel and based on the Portage package management system. It is distributed as free and open source software. Unlike a conventional software distribution, the user compiles the source code locally according to their chosen...
.
Fuloong 2E
The reference hardwareComputer hardware
Personal computer hardware are component devices which are typically installed into or peripheral to a computer case to create a personal computer upon which system software is installed including a firmware interface such as a BIOS and an operating system which supports application software that...
specifications as of 28 October 2006 are:
- Dimensions: 18.8 x 14.5 cm
- CPU: Loongson 2E 64-bit, integrated DDRDouble data rateIn computing, a computer bus operating with double data rate transfers data on both the rising and falling edges of the clock signal. This is also known as double pumped, dual-pumped, and double transition....
controller, 64KB cache level - Clock speedClock rateThe clock rate typically refers to the frequency that a CPU is running at.For example, a crystal oscillator frequency reference typically is synonymous with a fixed sinusoidal waveform, a clock rate is that frequency reference translated by electronic circuitry into a corresponding square wave...
: 667 MHz - SouthbridgeSouthbridge (computing)The southbridge is one of the two chips in the core logic chipset on a personal computer motherboard, the other being the northbridge. The southbridge typically implements the slower capabilities of the motherboard in a northbridge/southbridge chipset computer architecture. In Intel chipset...
: VIAVIA TechnologiesVIA Technologies is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory, and is part of the Formosa Plastics Group. It is the world's largest independent manufacturer of motherboard chipsets...
VT82C686B - DDR SDRAMDDR SDRAMDouble data rate synchronous dynamic random access memory is a class of memory integrated circuits used in computers. DDR SDRAM has been superseded by DDR2 SDRAM and DDR3 SDRAM, neither of which are either forward or backward compatible with DDR SDRAM, meaning that DDR2 or DDR3 memory modules...
: 256MB - Hard disk: IDE 40-60 GB
- Network controllerNetwork cardA network interface controller is a computer hardware component that connects a computer to a computer network....
: Realtek 8139D, 10/100 Mbit/s - USBUniversal Serial BusUSB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....
ports: 4 - Power supply: unspecified microATXMicroATXmicroATX, also known as µATX is a standard for motherboards that was introduced in December 1997. The maximum size of a microATX motherboard is 244 mm × 244 mm , but some microATX boards can be as small as 171.45 mm × 171.45 mm...
Fuloong 2F
The Fuloong 2F computer was released on 30 June 2008, priced at ¥1,800, about €163, $257.The specifications are:
- Dimensions: 19 x 14.5 x 3.7 cm
- CPU: Loongson 2F, integrated DDR2 controller
- Clock speed: 1 GHz
- Southbridge: AMDAdvanced Micro DevicesAdvanced Micro Devices, Inc. or AMD is an American multinational semiconductor company based in Sunnyvale, California, that develops computer processors and related technologies for commercial and consumer markets...
CS5536 - DDR2 SDRAMDDR2 SDRAMDDR2 SDRAM is a double data rate synchronous dynamic random-access memory interface. It supersedes the original DDR SDRAM specification and has itself been superseded by DDR3 SDRAM...
: 512MB - Hard disk: IDE 120 GB
- Video cardVideo cardA video card, Graphics Card, or Graphics adapter is an expansion card which generates output images to a display. Most video cards offer various functions such as accelerated rendering of 3D scenes and 2D graphics, MPEG-2/MPEG-4 decoding, TV output, or the ability to connect multiple monitors...
: XGA V2, 32MB video RAM, with VGA, DVI and S-video ports - Network controller: EthernetEthernet physical layerThe Ethernet physical layer is the physical layer component of the Ethernet family of computer network standards.The Ethernet physical layer evolved over a considerable time span and encompasses quite a few physical media interfaces and several magnitudes of speed...
, Realtek RTL 8110SC, 1000Mbit/s - USB ports: 2.0, 4
- Infrared receiver
- Power supply: external 12 V power adapter
- Operating system: Xinhua Hualay Rays 2.0, which is a Linux distributionLinux distributionA Linux distribution is a member of the family of Unix-like operating systems built on top of the Linux kernel. Such distributions are operating systems including a large collection of software applications such as word processors, spreadsheets, media players, and database applications...
that supports MIPS architectureMIPS architectureMIPS is a reduced instruction set computer instruction set architecture developed by MIPS Technologies . The early MIPS architectures were 32-bit, and later versions were 64-bit...
. Fuloong 2F also works well with other Linux distributions, and OpenBSD.
Fuloong Mini-PC
The specifications are:| Model | FL6004 | FL6014 | FL6005 | FL6015 |
|---|---|---|---|---|
| Processor | Loongson 2F, 800 900 MHz, integrated DDRII memory controller | |||
| Chipset | Northbridge: integrated in CPU | |||
| Southbridge: AMD CS5536 | ||||
| Graphics | Silicon Integrated Systems Silicon Integrated Systems Silicon Integrated Systems is a company that manufactures, among other things, motherboard chipsets. The company was founded in 1987 in Hsinchu Science Park, Taiwan.-Business:... 315PRO SiS 300 The SiS 300/SiS 301 is a graphics processing unit that was manufactured by Silicon Integrated Systems. This GPU, targeted mainstream commercial and consumer markets.-Overview:... , 32 MB video memory |
|||
| Memory | DDRII 512 MB, support up to 1 GB | |||
| Hard drive | SATA 160 GB | SSD 8 GB | SATA 160 GB | SSD 8 GB |
| Audio | AC'97 Realtek ALC 655 | |||
| Network | Realtek RTL 8110SC 1000 Mbps | |||
| Operating system | Redflag Linux, Debian | |||
| Interface type | 4 USB2.0 | |||
| VGA DVI S-video | VGA | |||
| IR interface | - | |||
| Dimension | L *H * T = 181*145*37mm | |||
| Weight | 0.78KG | |||
Software
Lemote has participated in development and MIPS-porting of DebianDebian
Debian is a computer operating system composed of software packages released as free and open source software primarily under the GNU General Public License along with other free software licenses. Debian GNU/Linux, which includes the GNU OS tools and Linux kernel, is a popular and influential...
GNU
GNU
GNU is a Unix-like computer operating system developed by the GNU project, ultimately aiming to be a "complete Unix-compatible software system"...
/Linux
Linux
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...
, eCos
ECos
eCos is an open source, royalty-free, real-time operating system intended for embedded systems and applications which need only one process with multiple threads. It is designed to be customizable to precise application requirements of run-time performance and hardware needs...
, MicroC/OS-II
MicroC/OS-II
MicroC/OS-II , is a low-cost priority-based pre-emptive real-time multitasking operating system kernel for microprocessors, written mainly in the C programming language...
, VxWorks
VxWorks
VxWorks is a real-time operating system developed as proprietary software by Wind River Systems of Alameda, California, USA. First released in 1987, VxWorks is designed for use in embedded systems.- History :...
, Microsoft Windows CE
Windows CE
Microsoft Windows CE is an operating system developed by Microsoft for embedded systems. Windows CE is a distinct operating system and kernel, rather than a trimmed-down version of desktop Windows...
, Java
Java (programming language)
Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...
, OpenOffice.org
OpenOffice.org
OpenOffice.org, commonly known as OOo or OpenOffice, is an open-source application suite whose main components are for word processing, spreadsheets, presentations, graphics, and databases. OpenOffice is available for a number of different computer operating systems, is distributed as free software...
and Yongzhong Office by Wuxi Yongzhong Tech Co. It also develops a Loongson processor
Central processing unit
The central processing unit is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has been in...
simulator
Emulator
In computing, an emulator is hardware or software or both that duplicates the functions of a first computer system in a different second computer system, so that the behavior of the second system closely resembles the behavior of the first system...
based on GXemul
GXemul
GXemul is a computer architectureemulator being developed by Anders Gavare. It isavailable as free software under a revised BSD-style license.In 2005, Gavare changed the name of the software project...
.
See also
- OLPC XO-1OLPC XO-1The XO-1, previously known as the $100 Laptop, Children's Machine, and 2B1, is an inexpensive subnotebook computer intended to be distributed to children in developing countries around the world, to provide them with access to knowledge, and opportunities to "explore, experiment and express...
, also called the $100 Laptop project - Classmate PCClassmate PCThe Classmate PC, formerly known as Eduwise, is Intel's entry into the market for low-cost personal computers for children in the developing world. It is in some respects similar to the One Laptop Per Child trade association's Children's Machine , which has a similar target market...
, a low cost machine developed by Intel - Sinomanic Tianhua GX-1CTianhua GX-1CThe Sinomanic Tianhua GX-1C is a specially tailored subnotebook for primary and secondary school students in mainland China. It uses China's Loongson I CPU. The device is designed for use as an educational aid and to introduce young students to computers.-History:Sichuan-based Sinomanic Co.,...
, part of a line of affordable machines developed by Sinomanic in ChinaChinaChinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture... - SimputerSimputerThe Simputer is a self-contained, open hardware Linux-based handheld computer, first released in 2002. Developed in, and primarily distributed within India, the product was envisioned as a low-cost alternative to personal computers...
, an earlier project to construct cheap handheld computers in IndiaIndiaIndia , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world... - VIA pc-1 InitiativeVIA pc-1 InitiativeThe VIA pc-1 Initiative is a project of VIA Technologies, established in January 2005, to help bridge the digital divide by developing information and communication technology systems to benefit those who currently do not have computers or Internet access.-Aims:The initiative sought to enable the...
, a project of VIA TechnologiesVIA TechnologiesVIA Technologies is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory, and is part of the Formosa Plastics Group. It is the world's largest independent manufacturer of motherboard chipsets...
to help bridge the digital divide
External links
Chinese Institute of Computing Technology Official European shopNews articles (by date)
- Herald Tribune courtesy of Bloomberg News: Rural laptop to cost $187, with GNU/Linux - March 15, 2006
- Xinhua: China to produce low-cost computers of its own - March 3, 2006
- Virtual China on the Lemote Box - January, 7th 2007