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Senin, 27 Juli 2009

Nvidia GeForce 3D Vision

Everything about 3D Vision shrieks pain. From the potential mind-splitting ache it can induce in your head to the wallet-splitting system specification required to get it to work. It's the propitiatory of the propitiatory; requiring specific drivers, games, displays, graphic cards, Windows Vista and of course glasses; all that even before you can consider trying it.

It's like buying a car and then being told the petrol can only come from one garage, washing it with the wrong water will make it explode and using the wrong air in the tyres will make it ride like a drunken bucking bronco. Who would put themselves through all of that pain to experience something you can get by poking your head out from under the duvet each morning? NVIDIA fans, apparently.

But enough whining, does it work? Well of course it does - this technology is technically years old, ELSA (a now defunct NVIDIA partner) was offering 3D glasses back in the 1990s and there were even some insane anaglyph-based attempts on the Spectrum requiring the traditional red and green-lensed glasses. The run-down of required equipment shapes up as Windows Vista, a NVIDIA GeForce 8800 or better graphics card, the stereoscopic 3D driver from NVIDIA, a compatible 100Hz+ display, the glasses and a compatible DirectX 9/10 game. If you've got all of that then you're sitting pretty.

The weakest link in this house of cards is the gaming element. Despite NVIDIA's ability to have more than 300 directly supported games, if the game's not listed then it's not going to work. Take a peek at www.nvidia.com/object/GeForce_3D_Vision_3D_Games.html for a list of games NVIDIA likes to claim have good compatibility, though it lacks the larger 'Not recommended' list found within the driver.

Pumping on your Stereo

NVIDIA does need to be given credit for designing a near foolproof installation and set-up. Testing with a basic 8600 GT (despite the minimum requirements) and then a GTX 285, the 3D Glasses install wizard asks you to run through a couple of basic display checks to make sure the stereoscopic vision is working. The final step offers alternative 110Hz and 100Hz modes to help remove the effects of any lighting flicker for 50Hz power supply countries. Once that has been completed, whenever a compatible game is launched, the 3D trickery kicks in automatically. A number of hotkeys enable you to toggle the effect, tweak it and enable an embedded laser-sight. It's surprising how instant the effect is - millions of years of evolution have created a beautifully adaptable stereoscopic viewing machine: us. Pop on the correct glasses, look at a l20Hz screen and the brain is fooled into seeing depth. But is it any good? Initially, there's definitely a sense of euphoria and wonder, as this new 3D realm is revealed. 'Looking into' your favorite game is a great new experience but once you start to play around with different games, it's quickly apparent this isn't a level playing field. At its best with Left 4 Dead, some primal instinctive part of the brain lights up as you realize you now have depth perception.

Zombies flailing towards you suddenly have a natural order and a beauty as they spiral in space with a well-placed shotgun to the head. Blood spurts in awesome Jackson Pollockesque fashion onto your virtual camera lens that views this apocalyptic world. This is the 3D at its best; it works straight out of the box complimenting the gameplay, even enhancing it. The crosshair is solid, the effects inhabit real space, the feeling of tangible depth is palpable. Another showcase game is Burnout Paradise. While the immediate sense of space is perhaps less impressive - possibly for the lack of flying zombie corpses - it's intriguing how your eye begins to take new visual cues onboard, focusing on 'distant' junctions, objects and other landmarks seems to make timing turns and strategies easier.

My eyes.

At its worst, though, it's a frustrating mess. A crosshair that makes you feel you've drunk five beers, constant ghosting from lights and effects, while struggling to make the stereo effect work at all without inducing eye-strain. Somewhat akin to magic-eye pictures, it's an effect that you gradually get more and more used to or not at all.

But the title we tried that should win a special award for being most migraine-inducing is perhaps Fallout 3. We staggered from Vault 101 euphorically looking towards what we expected to be some soul-lifting panorama of post-apocalyptic destruction, to be greeted by the same old flat view with a 'scenic overlook' sign poking out in the foreground.

Hardly awe-inspiring compared to the first time we gazed around that view on a 2D screen. While at other times it feels like you're watching Chinese shadow theater with cutouts held at different depths. You feel this is the last trick NVIDIA has to pull out of the 3D hat. As with SLI and physics processing it's another wait-and-see technology. There's promise in there, but little currently really delivers. The best description of it is as a $200 novelty, it's cute for half-an-hour and then... Perhaps if there was head tracking, like we've seen created with the reverse Wii controller hack, that would add the extra immersion that these glasses are crying out for.

As it is, until games are directly written for the system they're not much more than an expensive novelty. A shame: as they do a good job of oozing great potential.

For all your Discount Computer Parts, Notebook and Games requirements visit us at http://sacomputers.rr.nu and http://usacomputers.rr.nu.

This Information From www.amazines.com and This article by Sandra Prior

10 Computer Security Tips for Home Bussiness and Personal Protection

Everyday, millions of people face internet based attacks like spams, spywares, mallwares, virus and trojens, hacks etc.. Big companies have lawyers, IT departments and money to fix those problems. For home users and home bussiness partners faceing that problems is usually more devistating. Here is my tips for personal computer protection.

1. Never give your password to anyone else. It’s the most important rule.

2. Use numbers, symbols and letters altogether to create higher security passwords. Mixed passwords are harder to guess, hack or find (1982 might be the year you born and easier to remember but its also easier to find too)

3. Use antivirus and antispyware programs together, antivirus programs can’t dedect spyware and adwares all the time and antispywares can’t clear your viruses.

4. Install a good firewall. Firewalls are the best ways to protect your computers versus hacker attacks and it’s allways better to block a virus then using a antivirus to clean it from your computers.

5. Never open spam mails without beeing sure they are comming from a reliable source, and allways use antivirus and antispyware programs to scan mail attacments. Even if you are sure its coming from someone you know or a family member.

6. Keep your password safe. You need to chance passwords aften a fixed time period, serious attacks, big spam rains etc.. And never use same password for more then one site, you can loose credit card numbers or your websites access if you use same passworld for every single place.

7. If you are a employer, be sure that your old co-workers can’t access your companies data-base. Erase their accounts, passwords, personal web paces on your companies website.

8. Physical security is as important as internet security. Use laptop lockers; a good lock and some steel can make wonders. Also keep your external harddisks and flash disks at office, and use quality coolers to prevent computers from overheating.

9. Don’t let anyone to enter your / your companies personal networks and keep strangers laptops, external drivers, cd’s etc.. away from your computers. They can infect viruses to network or steal your personal files before you can understand.

10. Never install unauthorized applications to your computer, they may contain unwanted virus and spywares and they also can be illegal & contain cracked material. Use Windows (or any other operation systems you are using)’s signature programmes.

To keep your computer safe, you can find various antispyware, antiadware, firewalls and antivirus programmes at www.get2use.com

From www.amazines.com (this article By Carlos Devia)

Selasa, 21 Juli 2009

How To Reset Your Bios

There are 2 ways you can reset your bios.

1. On the motherboard there is a small watch battery. Remove this battery along with the power cable from the power supply. Hold down the power button to fully discharge the system. Wait 2-3 minutes then reinstall the battery and plug in your system. Your reset is now complete

2. Some motherboards have a 3 pin jumper by the battery. Lets say that the jumper is on pins 2 and 3. Remove the jumper while the machine is OFF and place onto pins 1 and 2. Power on your machine for a minute. (Note: Your system will not POST). Shutdown your machine and put the jumper back to pins 2 and 3. Your reset is now complete

thanks to http://www.trap17.com/index.php/Reset-Bios-Guide_t39291.html (tezza)

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