The shuttle computers went through a modernization effort that increased the capacity to the current 1 megabyte and let designers include more features. Later on a modern 'glass cockpit' replaced the original mechanical dials and readouts with electronic screens which astronauts could dial through for the information they needed at the moment. Xenon 3 Laptop Shuttle delivers professional style and cutting edge innovation thats designed to accommodate your digital lifestyle. Padded laptop compartment protects most 15.6 laptops from shocks while traveling. Tricot-lined pocket lets you also keep your tablet safely protected in a separate location. Shuttle XPC Slim DS77U Intel Kabylake Celeron 3865U, Dual Gigabit LAN, Fanless, Triple Video Output, DDR4 SODIMM Max 32GB $ 513.95 (2 Offers). Shuttle is announcing its SPA and Micro SPA laptop motherboard standardization plans today, and if everything goes as planned, SPA will change the way we think about laptop lifespan.

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Shuttle Inc.
浩鑫股份有限公司

Type	Public
TWSE: 2405
Industry	Computer hardware Electronics
Founded	1983; 38 years ago
Headquarters	Taiwan
Website	www.shuttle.com

Shuttle Inc. (Chinese: 浩鑫股份有限公司; pinyin: Hàoxīn Gǔfèn Yǒuxiàn Gōngsī) (TAIEX:2405) is a Taiwan-based manufacturer of motherboards, barebone computers, complete PC systems and monitors. Throughout the last 10 years, Shuttle has been one of the world's top 10 motherboard manufacturers, and gained fame in 2001 with the introduction of the Shuttle SV24, one of the world's first commercially successful small form factor computers. Shuttle XPC small form factor computers tend to be popular among PC enthusiasts and hobbyists, although in 2004 Shuttle started a campaign to become a brand name recognized by mainstream PC consumers.

Shuttle XPC desktop systems are based on same PC platform as the XPC barebone (case+motherboard+power supply) Shuttle manufactures. More recently, the differentiation between Shuttle barebones and Shuttle systems has become greater, with the launch of system exclusive models such as the M-series and X-series.

History[edit]

• 1983 - Shuttle was initially incorporated in Taiwan by David and Simon Yu under the name Holco (浩鑫), and commences trading of computer motherboards.
• 1984 - Holco begins manufacturing motherboards in its Taoyuan County (now Taoyuan City), Taiwan factory.
• 1988 - Holco establishes its first overseas branch office, in Fremont, California.
• 1990 - Holco subsidiary Shuttle Computer Handel is established in Elmshorn, Germany to serve European market.
• 1994 - Introduces Shuttle RiscPC 4475, a desktop based on DEC Alpha 64-bit microprocessor and Microsoft Windows NT for Alpha.
• 1995 - Shuttle reaches #5 motherboard manufacturer worldwide in terms of volume.
• 1997 - Holco officially changes its name to Shuttle Inc.
• 2000 - Goes public on TAIEX stock market under symbol 2405.
• 2001 - Introduces Shuttle SV24, a compact all-aluminum computer using desktop components.
• 2002 - SV24 evolves into XPC line of small form factor barebones computers, including models for Intel's Pentium 4 and AMD's Athlon.
• 2003 - 8 different XPCs introduced, including models featuring chipsets from Nvidia, Intel, SiS, and VIA.
• 2004 - XPC shipments pass 1 million, Shuttle introduces the XP17 LCD and fully assembled PC systems. Branch offices established in Japan and China.
• 2005 -PC World awards Shuttle the 'World Class' and 'Best Buy' awards.
• 2005 - IDC research ranks the Shuttle brand loyalty higher than Dell, Sony and Apple.
• 2005 - Shuttle introduces the world's first small-form-factor Nvidia SLi system.
• 2005 - Introduction of Shuttle's first exclusive set-top box living-room PC, the M1000.
• 2005 - Shuttle debuts the world's fastest ultra-small-form-factor PC - the X100.
• 2006 - Shuttle is selected as one of Intel's premiere partners when IntelViiv launched at the International Consumer Electronics Show (CES) in Las Vegas.
• 2006 - Shuttle launches a series of new chassis, X series and T series, which offers variety shapes of PC.
• 2006 - PCWORLD selects the Shuttle as the 15th great landmark in PC history.
• 2007 - Shuttle introduces new lineup of extreme gaming PC, SDXi system. Features Intel Core 2 Extreme processor and water cooling system.
• 2007 - Shuttle Computers introduces the first SFF Workstation line with Intel Xeon Processors.
• 2007 - Shuttle introduces XPC G5 3300m System, features the world's first and the only supports the dual HD 1080 formats optical drive.
• 2007 - Shuttle introduces XPC Glamor, Prima and D'VO series.
• 2007 - BCN awards Shuttle the 'Top Prize' in the 'Barebone PC' category, a market share of 44.2 percent. Most prestigious Japanese award for IT companies.
• 2008 - Shuttle implements 'Green' features into PC lineup.
• 2008 - Shuttle debuts its first Surveillance concept product.
• 2009 - Shuttle launches X50, its first All-In-One PC.
• 2009 - Shuttle develops its first Home Automation product.
• 2009 - Shuttle develops its first IPC product.
• 2010 - Shuttle establishes OEM business unit to launch mobile solutions.
• 2010 - Shuttle debuts the world's first successful notebook ecosystem - the Shuttle Notebook Ecosystem.
• 2010 - Introduction of first online notebook ordering system - eSPA.
• 2010 - Shuttle launches fanless 1-Liter PC series, XS35.
• 2011 - Introduction of BTR, its 'Build-To-Request' solution to the PC industry.
• 2011 - Intel names Shuttle a 'Platinum' technology provider, the highest recognition.
• 2011 - NVIDIA names Shuttle a 'Premier' partner in North America, the highest recognition.

Products[edit]

From 1987 to 2004, Shuttle manufactured AT, Baby AT, ATX, and Micro ATXmotherboards. Among Shuttle's most popular motherboards were the HOT-603 Socket 7 motherboard based on the AMD640 chipset, and the AK31 Socket A motherboard based on the VIA KT266 and KT266A chipsets.

Currently, Shuttle's primary product is the XPC. The Shuttle XPC's design goal is to provide the power and features of a typical desktop PC in a fraction of the space. The XPC consists of a custom small-footprint motherboard, a rectangular chassis typically consisting of aluminum, a 'Shuttle ICE' heatpipe-augmented heatsink, and a compact power supply. Popular XPCs include the SS51G, the SN41G2, and the SN25P. Shuttle XPC barebones can be found worldwide from PC distributors, retailers, and e-commerce stores. In 2004, the Shuttle XPC was the official PC of the World Cyber Games.

In 2004, Shuttle began manufacturing fully assembled PC systems. As of 2007, Shuttle XPC systems are available in the United States only at Sam's Club as well as Shuttle's US website. Shuttle systems are also available in Europe, Taiwan, China and Japan.

The Shuttle XP17 is a portable 17' LCD introduced in 2004 and surprisingly, is still being sold today at a premium. The XP17 is targeted at LAN gaming and other activities requiring a portable, high performance monitor. The XP17 won the Red dot award for industrial design in June 2005.

Models[edit]

Current Models

• T-series
• X-series
• M-series
• P2-series
• P3-series
• G5-series
• G2-series
• H7 series [2]
• J1 series [3]
• J2 series [4]
• J3 series [5]
• J4 series [6]

Laptop standardization proposal[edit]

At the 2010 Consumer Electronics Show Shuttle unveiled a proposal called Shuttle PCB Assembly (SPA) to standardize motherboard size and layouts for laptop computers. Computer Shopper magazine said this was one of the top ten announcements for innovation made at 2010 CES.^[1]

Awards[edit]

In 2009, CNet praised one of Shuttle's new machines for allowing full sized graphics cards while still maintaining a small form factor.^[2]

See also[edit]

References[edit]

1. ^[1]^{[dead link]}
2. ^Brown, Rich. 'Shuttle XPC H7 5800 review: Shuttle XPC H7 5800'. CNET.

External links[edit]

• >Missions
• >Space Shuttle
• >Space Shuttle Era
• • Send

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At 64 pounds, the shuttle's general purpose computers are heavier than several modern desktop machines combined. However, they can operate for years without failing, a reliability mark that is no accident. Engineers spend months making sure any change to a computer or its software is tested repeatedly.Photo credit: NASA
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The shuttle GPCs were upgraded in 1991, and the system that used to take two boxes, right, could run on one, left. Photo credit: NASA
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STS-132 Commander Ken Ham works with the keypad that is connected to the shuttle's primary avionics system. The GPCs operate in several formats to fly the shuttle, including the phases of on-orbit operations. Photo credit: NASA
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Laptops are set up to help astronauts in space with several tasks that demand anything from geographic representations of Earth and spacecraft for rendezvous operations to word processing and email. Here, STS-125 Commander Scott Altman works on the flight deck near two laptops that were set up. Photo credit: NASA.
› View Larger ImageAstronaut Scott Horowitz uses an early laptop to run a landing simulator program called PILOT. Photo credit: NASA.
› View Larger ImageThe space shuttle's five general purpose computers computers, or GPCs, are slow and have little memory compared to modern home computers. On the other hand, no one straps the latest-and-greatest desktop computer inside a machine that vibrates like an old truck on a washboard road while requiring it to get a spacecraft into orbit and back safely.
In other words, when it comes to flying the shuttle, reliability means far more than performance.
'The environment of space is very harsh and unfriendly and not just space, but getting into space,' said Roscoe Ferguson, a space shuttle flight software operating system engineer for the United Space Alliance. 'Something like a desktop might not even survive all the vibration. Then once you get into space you have the radiation.'
Even after a major computer upgrade in 1991, the primary flight system has a storage capacity of one megabyte and runs at a speed of 1.4 million instructions per second. While this was more memory and much faster computing speed than could be achieved with the original 1970s-era Shuttle flight computers, it doesn't compare to today's desktop computers.
'The GPCs serve as the brains of the space shuttle,' Ferguson said. 'It’s really the heart of the control system.'
The GPCs include 24 input/output links that collect the signals from the shuttle's myriad sensors and sends them to the GPCs. The computers plug the readings from the sensors into elaborate mathematical algorithms to determine when to swivel the three main engines during launch, how much to move the elevons on the wings for landing and which thrusters to fire in space to set up a rendezvous with the International Space Station, for example. That process is completed about 25 times every second.
The shuttle's computer-driven flight control system was a first for a production spacecraft. The fly-by-wire design, tested on modified research aircraft, does not have any mechanical links from the pilot to the control surfaces and thrusters. Instead, the pilot moves the control stick in the cockpit and the computers transmit signals to the control mechanisms to make them move.
The shuttle system is so dependent on computers that a fraction of a second without them could be catastrophic during the critical parts of flight.
'We have a range where if you can't control the vehicle for 120 milliseconds, you could lose the vehicle,' said Andrew Klausman, the United Space Alliance technical manager for the backup flight system and multifunction electronic display subsystem. He's been working with the shuttle computers since 1986.
That's why engineers put so much time into testing and improving the system. A software change typically goes through about nine months of in-house simulator testing and then another six months of testing in a unique NASA lab before it is accepted for flight. The results of the strenuous testing regimen? Well, it has been 24 years since the last time a software problem required an on-orbit fix during a mission. In the last 12 years, only three software errors have appeared during a flight. But perhaps the most meaningful statistic is that a software error has never endangered the crew, shuttle or a mission's success.
'The current quality of this software system is really almost unimaginable,' said USA's Jim Orr, who has been working with the shuttle's computer systems and software in different positions since 1978. 'It's that good.'
The networked computers are set up so that four are operational and one is a backup that could fly the launch and entry if the others failed. The computers receive their information from a host of sensors and actuators throughout the orbiter, external fuel tank and solid rocket boosters.
It sounds like a lot of work for any electronic device, let alone ones that are running on far less memory than a cell phone. And keep in mind that the first few dozen shuttle missions used the first-generation GPCs, which boasted memory capacities of 416 kilobytes and were a third as fast. They also weighed twice as much and it took two boxes to do the job of one of today's GPCs.
That's where the software comes in.
Just like the computers themselves, the software code involved is much smaller than modern commercial counterparts. The shuttle's primary flight software contains about 400,000 lines of code. For comparison, a Windows operating system package includes millions of lines of source code.
'From a complexity point of view, Microsoft Windows is probably more complex because it has to do so very, very, very much,' Orr said.
Shuttle programmers, on the other hand, focus solely on what the software must do for a mission to succeed. The machines simply don't have the room to support programming for other things.
'There are a lot of things that have to happen very precisely,' Orr said.
Plus, shuttle software is written to successfully adjust to failures, such as when one main engine shut down early during the launch of the STS-51F mission in 1985. The software steered the shuttle safely into a lower-than-planned orbit and the Spacelab research mission still was successful. The computers also operated the shuttle safely during the launch of Columbia's STS-93 mission in 1999, when an electrical short in a main engine controller and a pinhole leak in a main engine occurred during ascent.
A single shuttle flight requires a series of software sets to operate at different times on the computers. There are overlays for pre-launch, launch, in-orbit operations, in-orbit checkout and entry.
'Ascent is certainly the most challenging,' Orr said. 'There is some really critical timing at main engine cutoff to close the propellant valves at just the right times to manage the engine shutdown and if some of those valve closures don't occur at the right time, you could get a catastrophic failure.'
Although shuttle designers anticipated the importance of computers to the spacecraft, the GPC memory size limitations were a major hurdle before the first mission. After all, that was the first time anyone tried to program a system that could accurately guide the largest manned spacecraft ever built into orbit and back safely.
'Getting to STS-1 was just this huge, huge challenge with a large amount of code,' Orr said. 'You had the constraints of the CPU and memory, you had a lot of new technology. You had to integrate that into the vehicles and make all that stuff work together.'
'The flight software that was done back in the 70s was very complex,' Ferguson said. 'They went and analyzed the concepts and the algorithms and everything that was required to fly the vehicle, the physics and things related to that. And once that was taken up, you had the developers come in and implement those in the actual programming language.'
After the shuttle began flying, software adjustments were difficult to make without going over the memory limit.
Before the GPCs were upgraded in 1991, 'You literally had to remove something or code something more efficiently in order to add anything,' Orr said.
The shuttle computers went through a modernization effort that increased the capacity to the current 1 megabyte and let designers include more features. Later on a modern 'glass cockpit' replaced the original mechanical dials and readouts with electronic screens which astronauts could dial through for the information they needed at the moment.
But still, there was no room for extras, and programmers work within strict limits.
'If (the Shuttle) had come along later, it would have had a lot more memory that we would have tried to fill' Klausman said. 'It actually turns out to be the right amount of memory to fly the shuttle with all the necessary capability.'
Although the GPCs run the spacecraft during a mission, astronauts take a number of relatively modern computers with them into orbit in the form of laptops. Crews carry modified IBM ThinkPad A31p computers into space with them and use them for rendezvous assistance, entry and landing simulations and e-mailing Earth.
The laptops also are much faster than the GPCs and connect with devices not available to the GPCs. The Thinkpads use one of these connections to relay photos of the external tank falling away after launch to mission control at NASA's Johnson Space Center in Houston.
But that modernity has a trade-off: the laptops are not nearly as reliable as the GPCs due to radiation effects and use of less critical commercial off-the-shelf software, Klausman said.
The laptops, however, don't work on life-support or high-criticality systems that require the reliability found in the GPCs.
'For critical operations, I can't come anywhere close to that reliability with the laptops,' Klausman said. 'They are wonderful items, but they are susceptible to radiation particles, they are susceptible to badly written software. I could put five laptops on board and all five would suffer radiation upsets within the first day.'
With a ThinkPad 760XD laptop, two to three memory changes due to radiation occur during a shuttle flight to the Station, Klausman said. That number balloons up to 30 for a mission to NASA's Hubble Space Telescope. The reason is that Hubble orbits about 150 miles higher than the station, where the radiation protection from Earth's magnetic field is not as strong.
Designers also found out that laptops would crash when the shuttle passes through the 'South Atlantic Anomaly,' which is an area where the magnetic field draws in to Earth, again offering less radiation filtering for spacecraft flying through it.
The GPCs don't crash for radiation concerns because the GPC hardware includes a memory scrubber that prevents the system from reading radiation-changed memory.
While the GPCs are well-regarded for handling navigation and control duties, they are not set up for performance-intensive work such as complex graphical displays and word processing. That's why the astronauts started carrying fold-up computers originally made by GRiD into space.
'Back in the GRiD days, the idea was to include something that the little payloads could use,' Klausman said. Since then, astronauts outlined new needs for the computers and NASA began using more-powerful Thinkpads and developing modifications and custom software.
For example, the laptops run a program that shows the crew where they are in space to help them navigate to the space station and dock. 'They get a graphical display of where they are and where their orbit will take them if they do nothing,' Klausman said.

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A day or two before landing, the shuttle commander uses a laptop and a custom controller to run a landing simulation program.

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Klausman points to the first launch of a Thinkpad in December 1993 as a highlight of his career. The laptops were aboard Endeavour for the first repair mission to NASA's Hubble Space Telescope.
'The STS-61 launch where we had worked really hard for a couple years to get the ThinkPads ready for flight and to actually be there and see them go was . . . wow.'
The designers also continue to experiment with different ways to incorporate the proven shuttle flight instructions into modern equipment. For example, Ferguson said engineers were able to load all of the shuttle's GPC software onto a computer chip weighing only a couple ounces and found out the software still worked.
Such innovations are expected to play a large role in any future spacecraft, so software engineers continue to make adjustments to shuttle programs with an eye on seeing them incorporated in coming designs.
Steven Siceloff
NASA's John F. Kennedy Space Center