These days it is important for contemporary businesses to get hold of IT hardware if only to get their goods or services on the web. some expensive outside IT professional services. Then there’s the annoying drop in income caused by all the down time and hassle. Buying refurbished equipment and other related items helps business organizations to reduce the initial spending, especially when a business is in its first few years and solo professionals due to the big investments they’ve already made. Hence, the idea of buying used processors and used external hard drives is very alluring. They can purchase these items at a small fraction of the price and they’ll work just as well if not better than the most recently launched equipment.

When you choose a piece of used equipment, you can depend on it to perform precisely as you want it to. Yet getting second hand equipment that will fulfill your needs may seem to be a challenging task, specially if you know you need a refurbished Juniper for example. Truth be said, the whole process is uncomplicated if you can find competent providers. Usually you will even be able to find a specific brand or model. Most of the issues with new technologies won’t become apparent until the hardware is already being used. Regrettably this can trigger patching and upgrading the systems. As a matter of fact it is not unusual for early adopters to bite the bullet and write off that new IT equipment completely in its totality after such an unsuccessful attempt at implementation. Naturally established computer hardware has the advantage of having been put through its paces exhaustively. You will not have to waste time dealing with the bugs associated with new networking equipment. Luckily, because they are meticulously refurbished prior to being resold, you do not need to worry over the quality.

Partnering with experienced IT asset disposal services is of paramount importance. Don’t go for just anyone, ensure they have experience. This ensures the items you buy are fit for their purpose. It’s a good idea to get a warranty too. For companies that make the choice to skip the latest hardware and purchase refurbished computer hardware, the advantages will involve more than just money. With better range, fewer issues, and less expense, you’ll never return to purchasing the latest equipment again.


19.02.2010. | Categories: Hardware Info, Tech + Life | Comments Off

According to the Top 500 list of supercomputers that was published by industry researchers, the Jaguar supercomputer by Cray is the fastest in the planet. This is the first time that Jaguar actually beat IBM’s Roadrunner in terms of performance, achieving about 2 million billion calculations per second. But a deeper look at the said list suggests that the trend in supercomputing shows not only of faster machines but a constant erosion of how the industry has been performing. The industry has seen how dedicated vendors like SiCortex and venerable players such as SGI either being shut down or getting acquired after filing for bankruptcy.Interestingly, many of the components of supercomputers - from the processors to the networking cables used - are actually the same as those that are used for everyday corporate computing and hosting services. The number of processors that are used to build supercomputers is constantly decreasing. As high-performance computers and supercomputers continue to use mainstream components, it becomes more difficult to identify the high-performance varieties from those used for corporate computing. Rackable which acquired SGI, builds products with the corporate consumer in mind. As the hardware for high-performance computers becomes more like the one used in corporate data centers, other technology providers such as Microsoft are tapping into the familiar architecture to address the demands.And because supercomputers are also becoming… well, less super, their accessibility has also increased. Microsoft, Rackable, Intel and other firms are already out to take advantage of the trends. But as the industry continues to come out with machines that are capable of exascale performance, it’s unclear if these products and other common architectures can even linearly scale out without using up a lot of space and energy.


18.11.2009. | Categories: Hardware Info, School of Networking, Tech + Life | Comments Off

With ever new hi-tech improvements for instance digital TV, Hi-Definition Television, Freesat & home cinema sound, if you’re present telly machine is more than 5 years old, then today a marvellous time to acquire a brand new telly. But, as equipment develops approximately on a weekly basis, acquiring a new telly device might be exceedingly complex and baffling.

This TV guide aims to provides an insight on all the most modern technological improvements that will guarantee to take your telly enjoyment to a different new intensity.

High Def Telly: Perhaps one of the most vital innovation to telly ever since colour technology, Hi-Def (HD) TV offers detail, clarity & colour, with pictures often four times as crisp as various conventional telly devices. To see Hi Def programmes you have got to have a HD Ready television. Sky and Freesat have already begun broadcasting high def TV series so you can now benefit from an assortment of your much-loved programmes, films & sporting occasions with remarkable life-like images.

Built-In Digital Tuner: A television with an incorporated digital tuner (generally known as idTV) lets you look at all free to air digital channels, for instance: E4, BBC3, Sky News & many many more without the need for a second set-top box.

Freesat: A brand new digital satellite TV service available by a partnership between the BBC and ITV, providing you free High-Def Television programmes at no extra price. Freesat has no contract, no joining fee, just one solitary fee for the TV, satellite dish & installation. Furthermore because Freesat is transmitted via satellite, it is available to almost each and every home in the UK. Freesat TV is at this time only obtainable with Panasonic tellies.

LCD or Plasma TVs: Even though LCD and Plasma tellies function in totally different ways, the advantages of both are awfully similar. Nonetheless, it’s imperative to keep in mind that when opting between a Plasma or LCD TV, it’s actually just a question of size. LCD is at its greatest performance up to & including 32 inches, whilst Plasma televisions offer best performance at thirty-seven inches, & above. For that reason, if you wish to acquire a small flat panel telly, then LCD gives the superior performance, in contrast if you require a bigger display size, then Plasma is easily the ideal option. Buy a LCD TV at a great price from John Lewis.

In evaluation it is important to consider when picking the best TV for you, to consider your available funds, your screening distance, the look you crave & if it is to be an LCD or Plasma TV.


28.01.2009. | Categories: Hardware Info | Comments Off

A recent Tech Tip covered the basics of selecting a computer case and made mention of the various sizes that correspond to motherboards of different form factors. A few people wrote in expressing interest in understanding more about the basics of motherboards, and that’s exactly what this Tech Tip intends to address.

A motherboard, also known as a main board, is the primary circuit board inside of a computer, and is where the central processing unit (CPU), memory, expansion slots, drives, and other peripheral devices are connected. The circuitry on a motherboard facilitates the communication between all of the devices in the computer, making them as critical to a system’s performance as items such as the CPU or memory.

The core circuitry of a motherboard is referred to as its chipset, and generally the manufacturer of the motherboard is not the manufacturer of the chipset. Intel does produce motherboards with their own chipsets, but buying a motherboard brand such as Gigabyte, Biostar, and ASUS means getting a board with either a VIA, Nvidia, SIS, or Intel brand chipset.

1. Form Factor

The different basic shapes and sizes of motherboards are categorized as form factors. There are several standard form factors available, but some of the more common ones found in desktop computers include:
(http://www.formfactors.org/developer/specs/atx2_2.pdf), ATX (http://www.formfactors.org/developer/specs/matxspe1.2.pdf), Micro ATX (mATX) (http://www.formfactors.org/developer/specs/FlexATXaddn1_0.pdf) FlexATX (http://www.via.com.tw/en/initiatives/spearhead/mini-itx/) and Mini-ITX

The basic sizes of each are as follows:

* ATX: 12″ x 9.6″ (305mm x 244mm)

* Micro ATX: 9.6″ x 9.6″ (244mm x 244mm)

* FlexATX: 9.0″ x 7.5″ (229mm x 191mm)

* Mini ITX: 6.7″ x 6.7″ (170mm x 170mm)

ATX and mATX are by far the most popular motherboard sizes for desktop computers, and as seen in the list above, are also some of the largest. More real estate on a motherboard allows for greater expansion possibilities and extra features, which make the use of these boards more flexible. A Mini-ITX board may feature just one slot for memory and one slot for an expansion card, while a typical ATX board may feature 4 memory slots and six slots for expansion cards.

Each form factor has its own niche that it fits into, from workstations and gaming systems for larger boards to media centers and in-car computers for smaller boards. There is definitely overlap between the potential applications of each form factor, and other features and capabilities will also influence the targeted use.

2. CPU Socket

The major processor manufacturers, AMD and Intel, are constantly waging a battle to offer the fastest, most powerful processors available. Getting more speed and performance out of a relatively small chip generally requires a change to the physical dimensions as each new generation of processor is released. Therefore, motherboards need to evolve at the same pace in order to accept the new CPUs.

Back in the day, AMD and Intel processors shared a common CPU socket, but those days were short lived. AMD and Intel have since been traveling down their own, relatively parallel, paths of performance and speed increases, while using different designs. Selecting a motherboard for a modern AMD processor eliminates the use of any Intel processor, and vice versa.

AMD’s current offering for desktop processors includes the Athlon 64, which is available in Socket 939 and Socket 754 formats. The number in the names represents the number of pins present on the backside of the CPU that connect to the motherboard’s socket. The Socket 939 Athlon 64 therefore has a staggering array of nine hundred and thirty nine tiny pins to match up with the motherboard’s socket. The Chaintech VNF4 Ultra is an example of a Socket 939 motherboard based on Nvidia’s NForce4 Ultra chipset technology. In addition to these two sockets, many AMD processors, including Athlon XPs, Semprons, and Durons, share the Socket A format, also known as Socket 462 thanks to it having 462 pins for connecting to a motherboard.Socket adapters

Intel’s latest offering for their Pentium 4 and Celeron processors, LGA 775, doesn’t have pins at all and basically swaps the pins to the motherboard for the socket. Perhaps this design move puts the burden of bent pin warranty claims on someone else, but it is fairly unique. The Biostar P4M80-M7 is an example of an LGA 775 motherboard based on the VIA P4M800 chipset. Other Intel processors still on the market utilize the Socket 478 format for Pentium 4 and Celeron processors.

Although most motherboards support just one CPU socket, some applications benefit from having more than one processor to tackle the tasks at hand. Servers and high end workstations are two examples where a dual processor system, such as could be run on the Tyan Thunder i7500 motherboard, might make light work of more advanced applications.

3. Components

‘Components’ is a fairly vague term to describe this section, but the items to be covered are fairly diverse. Computer systems all use memory, storage devices, and power supplies, but among the many differences motherboards have is the type and quantity of connections for these components.

Most modern systems use DDR memory, but DDR-2 memory is becoming more common and will eventually become the standard. Although some boards provide slots for both types of memory, it is generally the case that either one or the other technology is supported. Besides operating differently, the physical difference of DDR having 184 pins and DDR-2 having 240 pins prevents them from being interchangeable. Going forward, users will have to decide whether they want to jump on the new technology bandwagon when selecting a motherboard, or to try to continue using their existing DDR for as long as possible. Regardless of technology, most motherboards come with 2 to 4 slots for memory, although as mentioned, Mini-ITX boards may just offer 1 slot.

Hard drive technology is changing too, as mentioned in the Tech Tip comparing SATA to ATA hard drives. Most motherboards over the past few years have offered two ATA connections, which could support up to 4 drives. With SATA becoming more popular, some boards now offer a mix of ATA and SATA connections, while others have abandoned ATA all together, and instead offer multiple SATA connections which only support one drive each. In addition to type and quantity, motherboards can also offer choices in hard drive capabilities by integrating RAID controllers onboard, as found on the ASUS K8V SE Deluxe.

As systems become more advanced, they many times impose special power requirements to keep them running smoothly. Most motherboards feature the typical 20 pin ATX power connector, while some server boards may have a 24 pin connection in its place. Motherboards for AMD Athlon 64 and Pentium 4 processors will have a second power connection located in close proximity to the CPU socket for providing the extra power that today’s high end processors demand. This special 4 pin connection isn’t found on every AMD Socket A motherboard, but it will most definitely be located on an AMD Socket 939 motherboard. Power supplies have been including this special connection for years, but for those upgrading an old system with a new motherboard, the power supply may be just one more item that has to be upgraded as well.

4. Extra Features

Many motherboards now include features onboard that were once only available as expansion cards to be purchased separately. A typical motherboard will now include stereo sound capabilities, a 10/100 LAN connection, and a few USB 2.0 ports on the back panel connection. Depending on the budget and needs of the end user, many motherboards may also include other convenient features such as integrated Firewire ports, VGA connections, and onboard RAID controllers.

Motherboards Extra Features

Although many of these items may be added later with expansion cards, if you know you want them upfront, a bit of installation hassle and expense can be eliminated by finding a board with just about everything you want included. That said, there aren’t many choices of onboard components, so it’s a case of take it or leave it. For example, you may want stereo sound included, but find most motherboards offer 5 channel, where you would prefer 8 channel. In that case, it may be a good thing that motherboards include expansion slots to add the sound card of your choice.

5. Expansion Slots

A motherboard typically provides at least one slot for the installation of a graphics card and a few slots for expanding the capabilities of the system in other areas.

Graphics cards are available in PCI, AGP, and now PCI Express formats, and matching a motherboard to the appropriate card is a key step. Most motherboards released over the past few years include an AGP slot,
and the new wave of motherboards are now starting to feature PCI Express slots for graphics card installation.

PCI slots are found on most motherboards, but are
much slower than AGP and PCI Express slots, so they are not the optimal choice for graphics. ATX motherboards may typically feature four to five PCI slots, and although they could be used for secondary display graphics cards, more common applications include sound cards, network cards, RAID controllers, TV tuners, modems, and USB/Firewire controllers. Considering that many of these items are now included onboard, having multiple PCI slots isn’t quite as important as it used to be.

6. Style

With enthusiasts adding windows and special lighting effects to just about every feature of a computer, why should the motherboard be left out of the action? Long gone are the days of the stereotypical green PCB with white connectors, and now most boards feature a vibrantly colored PCB and a rainbow of colors on expansion slots, memory slots, drive connectors, and so on.

For example, if someone was undecided on a mATX board for their Socket 754 AMD Athlon 64, style might be the deciding factor. The Chaintech MK8M800 and the Biostar K8VGA-M-N are similar boards featuring the VIA K8M800 chipset and prices under $70. The golden PCB with black and white features of the Chaintech board may appeal to some, while the red, white, blue, and yellow of the Biostar may sway others.

In general, a particular model is only available in one color scheme, and many manufacturers use the same theme across their entire current line up. As an example, the Biostar board for AMD Athlon 64 processors above features the same basic style as this Biostar board for the new Pentium LGA 775 processors. In addition to coloring, some manufacturers will include LED lighting on chipset cooling fans, or accessorize motherboards with matching cables to complete the unique looks of the board.

Some people may scoff at colors being included in the list of key features on motherboards, but there will be some that shop for style first, and then performance.

Final Words

There are many factors to address in selecting a motherboard, and this Tech Tip really just scratched the surface of the basic choices that may need to be considered. Much more technical decisions may need to be made by the advanced user, but covering the six basic areas discussed above is a good start for users of any level.

Computer tech tips and computer advice


9.07.2008. | Categories: Hardware Info | Comments Off

Liquid Crystal Display televisions typically referred as LCD TV’s are TVs that exploit Liquid Crystal Display technology for visual output. The technology utilised is usually thin film transistor (more commonly known as TFT), as this makes it likely for size, but above all depth reduction, smaller weights & reduced electricity use. Liquid Crystal Display panels are for the majority of the time now used as PC screens.

Near the beginning Liquid Crystal Display tellies did have shortcomings when assessed against the long-established visual display technologies for the tellies & desk-top screen marketplace from the long-established cathode ray tube (more commonly know as CTR) products, with facets for example electricity efficiency being vitally important when put next to the CRT design. With LCD TV’s constantly making extra and further developments all the time it allows it to run alongside competitor technologies, for example plasma flat panels and rear projection televisions for big- screen High-Definition Television.

For a substantial time on the television market it was mainly understood that Liquid Crystal Display technology was suitable solitary to lesser sized flat panel TV’s with sizes of thirty seven inch or smaller, as it could not contend against plasma technology for screens bigger than this because plasma held the lead in price and performance. But, LCD TV’s do now offer almost identical performance. Benefit from crazy reduced prices on cheap 26″ LCD TV at http://www.soundandvisiononline.com!

Almost nearly each and every current LCD TV makers have agreed intent to invest millions of ponds in LCD development during the next four years with televisions expected to be key in the market. Upgrade in Liquid Crystal Display technology has aided to narrow the technological gap letting manufacturers to supply the lesser weight, dwindling price tags & improved obtainable resolution that is significant for High Definition tellies.

Consumers used to note that Liquid Crystal Display TV’s were particular expensive, its now on the other hand exceptionally effortless to obtain a cheap high definition ready LCD TV from a selection of respected brands a great number of them include top makes like Sony, Philips & Toshiba.


7.06.2008. | Categories: Hardware Info | Comments Off

First, there was the standard land line phone system; then came the cell phone - a convenient little portable item that everyone adopted a “must have” attitude toward. Progress didn’t stop there, however. Now, we have the Smart Phone - the answer to the on-the-go lifestyle that demands immediate access to whatever electronic needs that we happen to have, in addition to the ability to phone our family and friends for a chat whenever the whim presents itself.

To be sure, Smart Phones are capable of extraordinary electronic feats, but convenience - especially that of the technological variety - always comes at a cost, and this one comes with quite a hefty one. The bottom line is that, if you plan to buy a Smart Phone, then plan on paying a visit to the loan officer of your local bank on the way to the store. These electronic marvels are designed to bring true computer capability right to the palm of your hand, but most people will have to put some serious thought into the type of financial commitment that they’ll have to make in order to become the proud owner of a brand new bouncing baby Smart Phone.

Pros and Cons of Owning a Smart Phone

Just like anything else, Smart Phones have their bright and dark sides and, depending upon how much you’re willing to compromise, they’ll either be a great investment for you, or not at all worth the money that you’ve invested.

Pros

  • For those who, until now, had been carrying around a mobile phone and PDA, this combines the two into one unit, without losing any of the capability of either format.
  • This is definitely a multi-media friendly device, offering the opportunity to enjoy both audio and video files - or both, if you prefer - without a lot of hoopla.
  • Cell phone software companies have taken quite kindly to the Smart Phone and are fully supportive of it when it comes to developing software that’s compatible with these units - especially those in the game and entertainment industries.
  • If accessories are your thing, then you’ll love the number of add-ons that you can purchase to go with your new Smart Phone - including those which utilize Bluetooth technology.

Cons

  • Unless you have very good vision, you might have trouble reading the screen on the Smart Phone - it’s smaller and the resolution isn’t as sharp as that of a Pocket PC.
  • Text messaging and other text-related capabilities are compromised as a result of the limited text-entry that’s intrinsic to these devices.
  • Unlike the Pocket PC, Smart Phones are missing some applications that are critical to some users. Among these are Microsoft products, such as Pocket Excel and Pocket Word.
  • You may be told that you’ll have nationwide coverage, but the reality is that coverage of that type only includes larger cities with higher populations. As a result, there’s quite a menu of non-service areas.

Smart Phone Features

Much like a mini-computer with telephone capability, these devices are often seen as handy little items for meeting most or all of the needs of those who are on the run, but want to have access to their PC and phone service, regardless of where they roam.

  • Cell phone service is certainly one of the major perks of the Smart Phone - complete with voice mail. Just as in the case of mainstream cell phone varieties, specific service plans can be purchased for these, depending upon your particular needs and preferences.
  • Internet connectivity is also an available Smart Phone feature, allowing you to retrieve wireless e-mail messages and gain access to search engines and other online goodies. Just pop open your flip phone and jump onto the web.
  • If you’re interested in games, the Smart Phone offers those, as well. A variety of computerized games can be played - either online or through special software - just as if you were using your home PC.
  • Office functions, such as certain Windows or other Microsoft programming, are also available, allowing you to create and store files for future use.
  • If you’re bored and have a bit of extra time on your hands, you can even gain access to online movies through the video feature that the Smart Phone has to offer. Or, if you prefer, you can listen to your favorite tunes as a result of the audio features.
  • Photography is also an option when you invest in a Smart Phone. Just as with the mainstream camera phones, these devices offer instant pictures that can be viewed on-screen immediately after they’re snapped. These units, however, are more than just cell phone cameras, so if you’re looking for something more, think “Smart Phone”.

Smart Phone Pricing

Although these have been compared to PDAs on a certain level, Smart Phones are definitely more sophisticated - and more compact. As compensation for these conveniences, however, you must be willing to pay a hefty price. Typically starting at about $600 and ranging into the thousands, Smart Phones may be all the rage, but if you’re planning to buy one simply for the novelty of it all, then you should save your money and stick with something a bit less progressive.

Keep in mind that additional costs will be incurred in order to establish phone service and gain internet connectivity. That equates to the price of the unit plus the additional charges for basic services and any special features that you choose to opt for - all of which can add up to an exorbitant amount of money.

The best way to keep down your expenses is to take the time and effort to do some online research before you make a commitment to buy a Smart Phone or specific service plan that you’ll need in order to fully utilize all of the features that it offers. By simply typing “smart phone comparison” into the keyword area of any major search engine, you’ll have cost and feature comparison information at your fingertips, which will help you to determine which one is right for you - if, indeed, any of them are. Is investing in a Smart Phone a wise decision? Only you can decide.

About the Author

Samantha Goode is a freelance technology writer who loves to provide tips to consumers shopping for smart phones, pda phone and blackberry pda.


7.04.2008. | Categories: Hardware Info | Comments Off

Many people cannot imagine leaving home without a cell phone. Yet if you are over the age of 50 you remember a time when cell phones did not exist and thus you went everywhere without one. Indeed you may have even been a very late adopter of the technology we all take for granted today? Now then can you imagine leaving your home without your cell phone? Many believe this is the case and some say that most Americans are enslaved to our cell phones and will not leave home without them.

Regarding being enslaved to a cell phone that is silly. It is a choice and a convenience. I rarely use a cell phone; I do not play video games, although am finally getting around to considering the home Video Game due to Bill Gate’s major improvements and all the teamwork of the latest designers on the Xbox.

Can you imagine a day not playing a video game? Probably but like a cell phone it too is a choice and a convenience. It is entertainment VS the television or in many cases it is the Television, but a choice to the current programming on the TV Guide.

Many people say that Cell Phones keep us safe incase of emergency on the road or a problem such as being stuck in traffic or such. And this is true, which may at least be part of the reason you will not leave home without your cell phone. But you are not enslaved to it. It is enslaved to you. Think on this in 2006.

Lance Winslow - EzineArticles Expert Author

“Lance Winslow” - Online Think Tank forum board. If you have innovative thoughts and unique perspectives, come think with Lance; http://www.WorldThinkTank.net/wttbbs/


1.04.2008. | Categories: Hardware Info | Comments Off