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Showing posts with label Computers. Show all posts
Showing posts with label Computers. Show all posts

Tuesday, August 18, 2009

Further speedup broadband cable Internet connection


READ DISCLAIMER FIRST AND THEN FOLLOW INSTRUCTIONS BELOW IF APPLICABLE:
A. in the "My Network Places" properties (right click on the desktop

icon and choose properties), highlight the connection then at the menu

bar choose "Advanced" then "Advanced Settings". Uncheck the two boxes

in the lower half for the bindings for File and Printer sharing and

Client for MS networks. Click OK
B. Continue as indicated below steps:
1. from the Windows XP CD in the support directory from the support

cab, extract the file netcap.exe and place it in a directory on your

hard drive or even in the root of your C:\ drive.
2. next, open up a command prompt window and change directories to

where you put netcap.exe then type "netcap/?". It will list some

commands that are available for netcap and a netmon driver will be

installed. At the bottom you will see your adapters. You should see two

of them if using a 3Com card. One will be for LAN and the other will be

for WAN something or other.
3. Next type "netcap/Remove". This will remove the netmon driver.
4. Open up control panel / system / dev man and look at your network

adapters. You should now see two of them and one will have a yellow !

on it. Right click on the one without the yellow ! and choose

uninstall. YES! you are uninstalling your network adapter, continue

with the uninstall. Do not restart yet.
5. Check your connection properties to make sure that no connection

exists. If you get a wizard just cancel out of it.
6. Now restart the machine and go to your connection properties again

and you should have a new connection called "Local area connection 2".

highlight the connection then at the menu bar choose "Advanced" then

"Advanced Settings". Uncheck the two boxes in the lower half for the

bindings for File and Printer sharing and Client for MS networks. Click

OK.
8. Choose connection properties and uncheck the "QOS" box
9. Restart the machine and enjoy the increased responsiveness of IE,

faster page loading, and a connection speed boost
It seems that Windows XP installs two separate versions of the NIC

card. One you do not normally see in any properties. Remember the

"netcap/?" command above showing two different adapters? The LAN one is

the one you see. The invisible one slows everything down and its like

your running two separate cards together, sharing a connection among

two cards. This method breaks This"bond" and allows the NIC to run

unhindered.
IMPORTANT DISCLAIMER: This tweak assumes that you have let Windows XP

create a connection on install for your cable modem/NIC combination and

that your connection has tcp/ip - QoS - file and print sharing - and

client for Microsoft networks ,only installed. It also assumes that

winxp will detect your NIC and has in-box drivers for it. If it doesn't

do not try This as This may not work.







Friday, June 19, 2009

New Microsoft office 2010

New Microsoft office 2010

Microsoft declared the launch of its new product Office 2010 in July officially.The screen shots are shown below.Take a new look of the 2010 office.Wait for the fimal release till July of 2009.




Thursday, May 21, 2009

Dual core Processor....

Dual core computer processors: luxury or necessity?

Most of the talk going on in the computer processor industry is revolving around dual core processors. But what advantages do they actually give and is it worth it in terms of price?

All processors have a core. A processor contains some memory, often referred to as cache, either L1, L2 or L3, depending on how close it is to the core, and the core itself, as well as a few other essentials. The core is the "brain" part, it performs all the big calculations that are needed for the various things a computer does.

Computer cores have been increasing in speed, and increasingly quickly. Manufacturers were in a race to have the chip with the fastest speed, measured in GHz. One surprise is that despite these increases in clock speed, the actual speed of programs didn't increase proportionately.

As modern programs make much heavier use of other computer parts like memory, and there are often many running at the same time, another approach was needed.

Dual core processors were the answer.

By putting two "brain" parts into the processor, you can run two programs on two cores, without having to share it between them. The effect of this is that when running two or more programs, the processor can now handle much more as a whole.

The part about them that might disappoint is gaming.

Unlike the multitasking environment that is usual for a computer either at home or at the office, games rely on the brute force of a powerful processor to help them along. So far there is no technology to take advantage of the two processors, like the ability to split its tasks over two cores. Most gaming has not improved with this new technology.

As with processors in the past the mainstream of dual core processors is dominated by the two big guys, Intel and AMD.

Intel offers two processors in its range, same processor, just different speeds. The lower priced of the Pentium D processors comes in at around $250. This price is reasonable considering how much you would pay for the top of the line single core processor.

The Pentium D is based on the same core as it's single core counterparts, just two of them inside. Its boost in performance is quite notable, and makes it presence felt in the multitasking environment.

The AMD Athlon X2 is AMD's offering in the dual core market. Unlike the Pentium D its lowest priced model comes in at a staggering $400. It's not expensive compared to processors like its FX series, which are over $1000, but in comparison to Intel it's expensive.

It too is based on the same core as its single core cousins and also offers the same performance increases.

The price of the AMD is surprising. From a company that became renowned for it's low cost, high performance processors this is quite a blow. Even the upper model of the Pentium Ds comes in at less that AMD's cheapest model.

The price might be justified if the AMD actually gave a significant performance boost, but it doesn't.

For the first time in a long time, I think I would be willing to switch back to an Intel processor. Although my preference is not for dual core, if I had or needed to switch I would certainly go straight for the Pentium D.

And finally, how do they compare to their now out of date traditional processors?

Considering how powerful processors have become I would still not make the switch. Dual core has not been around long enough to produce low cost, slightly out of date models. The power of the AMD Athlon 64 3000+ more than does it for my computing needs, and that's where I would stay for now.

So for those who are looking for the next cool thing for their desktop computer and price is not a huge issue, this would be your best choice, but go for the lower end Pentium D.
About the Author

Peter Stewart is a computer enthusiast, his interest in computers and focus on practicle down to earth advice inspired his two websites. http://www.computer-buying-guide.com - Practical buying tips http://www.computer-reviews.net - Fair and honest reviews and opinions

Written by: Peter Stewart

Monday, May 11, 2009

Britain Presents Powerful

Britain presents powerful new computer
LONDON, Jan. 15 (Xinhua) -- Britain officially presented its powerful new computer Tuesday, but scientists still called for continued efforts to improve the computer's powerfulness. The computer's 60 teraflops (trillion operations per second) have been up and running since autumn 2007, but Chancellor of the Exchequer Alistair Darling marks the official start Tuesday by unveiling a plaque at Edinburgh University's Advanced Computing Facility, the BBC reported. The computer, going by the name of HECToR (high-end computing terascale resource), is four times more powerful than Britain's previous best computer HPCx, which will continue to run. However, HECToR ranks only 17th in the list of the world's most powerful computers (as measured against the popular TOP 500 list.)
According to the report, the machine will be used by up to 1,000 groups of scientists to model complex systems. Each user's proposal for time on the machine will have to go through a peer-review process.
Chemists, engineers and physicists will be lining up to use the computer to predict the properties of materials, or to study how they behave under extreme conditions.
However, the supercomputer is unlikely to change much for some of British largest consumers of computer power, including the Met Office Hadley Center for Climate Change.
HECToR will be used in collaborative work between the Hadley Center and the Natural Environment Research Council, with the details yet to be decided.
HECToR will run for six years and will be upgraded in two years to be five times more powerful than it is now.



Iranians claim to have built Opteron-based supercomputerA high-performance computing research center in Iran says on its Web site that it used AMD's Opteron processor in a new supercomputer -- raising questions about how the facility might have obtained the chips.
Review roundup: Invasion of the ultrasmall desktop PCsThe newest ultrasmall computers are good citizens in home and small offices where space is tight -- if you can live with a few trade-offs. Here's what to look for in small computers, plus an in-depth examination of three top models.
The big switch to utility computing

FAQ: Everything you need to know about the MacBook AirThe oohs and aahs from Tuesday's unveiling of Apple's new MacBook Air have died down -- mostly. Now it's time to take a closer look at just what Steve Jobs pulled out of that envelope at the Macworld Expo.

Opinion: Blu-ray or HD DVD -- neither, thanksAs the skirmish between Blu-ray and HD DVD drags on, you should be patient and wait -- not for Blu-ray, but for systems that can store video-on-demand movies and TV on spinning disk and flash memory.

Ultramobile PCs plentiful but still not getting respectLots of new ultramobile PCs are in the pipeline, but so far, vendors have not yet hit a home run and few people are enthused about them.

Can Macs conquer the enterprise? The time is ripe ... Macs are now stable, Intel-based workhorses that run Windows apps and make end users happy. Is that enough for entry to the enterprise?

Energy crisis: Where's an outlet when you need one?As gadgets get better and more numerous, ways to keep them powered are failing to keep up. It's a problem that screams for a solution, says columnist Mike Elgan.

Review: Two new 22-in. LCDs offer great viewsTwo new displays from Envision and Lenovo offer good-quality video for desktops that can't handle larger monitors.

Common SenseSuggesting that the Iranian IT community isn't all that different from the U.S. IT community isn't a stretch. It's common sense.

Friday, October 24, 2008

Building your dream PC

Who isn't sick to death of those smug individuals who build their own PCs and then proceed to tell us all about it. Who hasn't wondered how difficult it can be ? Here's a technical article for the rest of us in which adequacy.org demystifies the act of building your own PC from components.
A lot of you have mailed us at adequacy.org telling us of your dream of building your own PC. You have been drooling over the custom built rocket that your tech-savvy neighbor built for a lot less bucks than Dell or Gateway.
You told us how a stream of unitelligible techno-babble and gobbledygook nonsense spewed forth from the "rocket scientist" genius-next-door when you, as a mere 'normal' person dared to ask Mr Elite Hacker how to build a computer.
You told us of the utter scorn heaped on you by the tech-support monkeys when you accidentally asked for SIMMS when you meant to ask for DIMMS.
With this in mind, we at adequacy.org offer this time saving guide on DIY PC building.
Written by our team of PC experts, and carefully designed to remove the steaming piles of bullsh*t that surround this 'black art', we will take you step by step through the extremely simple process of building your new PC from scratch. We cut through the layers of confusing jargon put there by people who want to seem clever. We share the jealously guarded secrets of the pros. You will soon realize that there is nothing difficult about building your own dream PC.
You will soon be shooting the breeze with Mr. Nerdy next door about Ram, Rom, RIMM, motherboards and bus speeds like a pro, as you "surf the net" on your newly built dream machine.