Saturday 19 October 2013

Nvidia G-sync the next generation display

Introducing Revolutionary NVIDIA G-SYNC Display Technology: Ultra-Smooth, Stutter-Free Gaming Is Here

  TWIMTBP Montreal 2013Featured Stories
NVIDIA is a company founded on innovation, and over the last twenty years, we’ve pioneered and invented hundreds of new technologies that span almost every industry imaginable, from life-saving scientific research, to advanced supercomputing and extreme gaming. Today, we revolutionize display technology with the announcement of NVIDIA® G-SYNC™, a groundbreaking new innovation that casts aside decades-old thinking to create the smoothest, most responsive computer displays ever seen.
With a NVIDIA G-SYNC monitor, screen tearing, input lag, and even most eyestrain-inducing stutter are simply gone. All it takes is a NVIDIA GeForce GTX 650 Ti Boost or better GPU, and a NVIDIA G-SYNC enabled monitor – age old frustrations will be eliminated, and games such as Assassin’s Creed IV Black FlagBatman: Arkham OriginsCall of Duty: Ghosts, and Watch Dogs will be enhanced with NVIDIA-exclusive features, resulting in the definitive experience.
Industry luminaries John Carmack, Johan Andersson, Tim Sweeney, and Mark Rein have been bowled over by NVIDIA G-SYNC’s game-enhancing technology, and are speaking further about its benefits today at a NVIDIA press event in Montreal. Pro eSports players and pro-gaming leagues are lining up to use NVIDIA G-SYNC, which will expose a player’s true skill, demanding even greater reflexes thanks to the unnoticeable delay between on-screen actions and keyboard commands. In-house, our diehard gamers have been dominating lunchtime LAN matches, surreptitiously using G-SYNC monitors to gain the upper hand. And online, if you have a NVIDIA G-SYNC monitor you’ll have a clear advantage over others, assuming you’re also a LPB.
Beginning later this year, NVIDIA G-SYNC will be available as monitor module you can install yourself, or buy pre-installed in one of the best monitors currently available. Next year, G-SYNC monitors will be available on the shelves of your favorite e-tailers and retailers, in a variety of screen sizes and resolutions, eventually scaling all the way up to 3840x2160 (“4K”).

The Problem: Old Tech

When TVs were first developed they relied on CRTs which work by scanning a beam of electrons across the surface of a phosphorus tube. This beam causes a pixel on the tube to glow, and when enough pixels are activated quickly enough the CRT can give the impression of full motion video. Believe it or not, these early TVs had 60Hz refresh rates primarily because the United States power grid is based on 60Hz AC power. Matching TV refresh rates to that of the power grid made early electronics easier to build, and reduced power interference on the screen.
By the time PCs came to market in the early 1980s, CRT TV technology was well established and was the easiest and most cost effective technology for utilize for the creation of dedicated computer monitors. 60Hz and fixed refresh rates became standard, and system builders learned how to make the most of a less than perfect situation. Over the past three decades, even as display technology has evolved from CRTs to LCD and LEDs, no major company has challenged this thinking, and so syncing GPUs to monitor refresh rates remains the standard practice across the industry to this day.
Problematically, graphics cards don’t render at fixed speeds. In fact, their frame rates will vary dramatically even within a single scene of a single game, based on the instantaneous load that the GPU sees. So with a fixed refresh rate, how do you get the GPU images to the screen? The first way is to simply ignore the refresh rate of the monitor altogether, and update the image being scanned to the display in mid cycle. This we call ‘VSync Off Mode’ and it is the default way most gamers play. The downside is that when a single refresh cycle show 2 images, a very obvious “tear line” is evident at the break, commonly referred to as screen tearing. The established solution to screen tearing is to turn VSync on, to force the GPU to delay screen updates until the monitor cycles to the start of a new refresh cycle. This causes stutter whenever the GPU frame rate is below the display refresh rate. And it also increases latency, which introduces input lag, the visible delay between a button being pressed and the result occurring on-screen.
Worse still, many players suffer eyestrain when exposed to persistent VSync stuttering, and others develop headaches and migraines, which drove us to develop Adaptive VSync, an effective, critically-acclaimed solution. Despite this development, VSync’s input lag issues persist to this day, something that’s unacceptable for many enthusiasts, and an absolute no-go for eSports pro-gamers who custom-pick their GPUs, monitors, keyboards, and mice to minimize the life-and-death delay between action and reaction.

The Solution: NVIDIA G-SYNC

Enter NVIDIA G-SYNC, which eliminates screen tearing, VSync input lag, and stutter. To achieve this feat, we build a G-SYNC module into monitors, allowing G-SYNC to synchronize the monitor to the output of the GPU, instead of the GPU to the monitor, resulting in a tear-free, faster, smoother experience that redefines gaming..
NVIDIA G-SYNC is so smooth and so fast, that testers have found themselves overshooting and missing targets because of the input and display lag that they have subconsciously accounted for during their many years of gaming. In addition to pro-gaming testers, we demonstrated G-SYNC to industry luminaries like John Carmack, Johan Andersson, Tim Sweeney, and Mark Rein. Mark, co-founder of Epic Games, was so enthused he couldn’t resist a teaser, telling his followers that he “saw the most amazing thing made by @nvidia. No, it's not a GPU, but gamers will love it.”
Tim Sweeney, creator of Epic’s industry-dominating Unreal Engine, called G-SYNC “the biggest leap forward in gaming monitors since we went from standard definition to high-def.” He added, “If you care about gaming, G-SYNC is going to make a huge difference in the experience.” The legendary John Carmack, architect of id Software’s engine, was similarly excited, saying “Once you play on a G-SYNC capable monitor, you’ll never go back.” Coming from a pioneer of the gaming industry, who’s also a bonafide rocket scientist, that’s high praise indeed.
Tim and John are established game-engine gurus; fast approaching that status is Johan Andersson, DICE’s technical director, and architect of the Frostbite engines that power several EA titles. As a man known for pushing the boundaries of technology, we were keen to shown Johan G-SYNC.
Following the G-SYNC demo, Johan simply said, “Our games have never looked or played better,” adding, “G-SYNC just blew me away!
Tim, John and Johan will be speaking further about G-SYNC’s features and benefits at a press showcase today, in Montreal – stay tuned to your favorite hardware site for further quotes and info.

How To Upgrade To G-SYNC

If you’re as excited by NVIDIA G-SYNC as we are, and want to get your own G-SYNC monitor, here’s how. Later this year, our first G-SYNC modules will be winging their way to professional modders who will install G-SYNC modules into ASUS VG248QE monitors, rated by press and gamers as one of the best gaming panels available. These modded VG248QE monitors will be sold by the modding firms at a small premium to cover their costs, and a 1-year warranty will be included, covering both the monitor and the G-SYNC module, giving buyers peace of mind.
Product Details - NVIDIA G-SYNC DIY Kit Modification for ASUS VG248QE Monitor
Europeans: Imported U.S. NVIDIA G-SYNC monitors are suitable for use in Europe with a US-to-EU/UK plug convertor. Alternatively, stay tuned to GeForce.co.uk for European NVIDIA G-SYNC availability.
Alternatively, if you’re a dab hand with a Philips screwdriver, you can purchase the kit itself and mod an ASUS VG248QE monitor at home. This is of course the cheaper option, and you’ll still receive a 1-year warranty on the G-SYNC module, though this obviously won’t cover modding accidents that are a result of your own doing. A complete installation instruction manual will be available to view online when the module becomes available, giving you a good idea of the skill level required for the DIY solution; assuming proficiency with modding, our technical gurus believe installation should take approximately 30 minutes.
If you prefer to simply buy a monitor off the shelf from a retailer or e-tailer, NVIDIA G-SYNC monitors developed and manufactured by monitor OEMs will be available for sale next year. These monitors will range in size and resolution, scaling all the way up to deluxe 3840x2160 “4K” models, resulting in the ultimate combination of image quality, image smoothness, and input responsiveness.

Conclusion: A Groundbreaking Revolution Has Arrived

In this time of technological marvels, there are few advances one can truly call “innovative”, or “revolutionary”. NVIDIA G-SYNC, however, is one of the few, revolutionizing outmoded monitor technology with a truly innovative, groundbreaking advancement that has never before been attempted.
G-SYNC’s elimination of input lag, tearing, and stutter delivers a stunning visual experience on any G-SYNC-enhanced monitor; one so stunning that you’ll never want to use a ‘normal’ monitor ever again. In addition to cutting-edge changes to the viewing experience, multiplayer gamers will receive a significant competitive advantage when G-SYNC is paired with a fast GeForce GTX GPU, and low-lag input devices, something that’ll surely pique the interest of shooter aficionados. For eSports players, NVIDIA G-SYNC is an essential upgrade. With G-SYNC’s removal of input lag, successes and failures are squarely in the hands of players, differentiating the pros from the amateurs.
When the biggest names in the business are blown away, and the architect of Unreal Engine calls G-SYNC “the biggest leap forward in gaming monitors since we went from standard definition to high-def”, you know that G-SYNC will raise the bar for display technology. Somehow, if that testimony isn’t proof enough, keep your eyes peeled on your favorite hardware sites for hands-on impressions of NVIDIA G-SYNC monitors, which are currently being shown at a press event in Montreal.
For all the latest on G-SYNC’s release stay tuned to GeForce.com, and for news of North American G-SYNC demonstrations stay locked to the NVIDIA GeForce Facebook page.

Sunday 7 April 2013

How to hide a partion in windows 7

Today everyone need to hide or secure data from anonymous user. Here, I have three simple tricks to hide and restrict use of drive.
  1. Using Group Policy
  2. Using Windows Registry Trick
  3. Using Disk Management – An easy way
Using Group Policy
1. Run Group Policy: Type gpedit.msc in Run dialog box or in Start Search in Windows 7 and Windows Vista.
HIDE DRIVES
2. Now navigate to: Local Computer Policy > User Configuration > Administrative Templates > Windows Components > Windows Explorer. Now look for “Hide these specified drives in My Computer” and double click and set the state “Enabled” and pick one combination to hide specified drives.
NOTE: You can access these drive by typing path or drive letter in Run dialog box or in address bar.
RESTRICT ACCESS
3. It’s same as above but it restrict access instead of hide a specified drive. At the same location in Group Policy look for “Prevent access to drives in My Computer” and double click and set the state “Enabled” and pick one combination to hide specified drives.
NOTE: We can hide and restrict specified drive or combination of drives
Using Windows Registry Trick
1. Its perform the same as above but We can hide or restrict any specified drive or group of drives. Run Registry Editor and Type regedit.exe” in Run dialog box or in Start Search in Windows 7 and Window Vista.
HIDE DRIVES
2. Now navigate to: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Right click on right side pane and create a new DWORD value and name it NoDrives
3. All drives will be visible as long as its value is set to 0. Now set the value of NoDrives in decimal (make sure you have selected decimal not hexadecimal)
Set the value of NoDrives according to following list.
Drive Value
A 1
B 2
C 4
D 8
Z 33554432
All 67108863
To hide multiple drives, just add drives value. For example we want to hide B: and D: drives, the NoDrives value should be 2+8=10. Logoff or restart the system to take effect.
RESTRICT ACCESS
4. Now navigate to: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Right click on right side pane and create a new DWORD value and name it NoViewOnDrive
5. All drives will be visible as long as its value is set to 0. Now set the value of NoViewOnDrive in decimal (make sure you have selected decimal not hexadecimal)
Set the value of NoViewOnDrive according to following list.
Drive Value
A 1
B 2
C 4
D 8
Z 33554432
All 67108863
To restrict multiple drives, just add drives value. For example we want to hide B: and D: drives, the NoViewOnDrive value should be 2+8=10. Logoff or restart the system to take effect.
Using Disk Management – An easy way
It is the simplest way among all three. We can assume that today anyone that have knowledge in Windows Administration; can  remove security. But it’s new and easier. The advantage of this trick is that there is no access via typing path in Run Dialog box or address bar.
1. Run Disk Management: Right click on Computer or My Computer > Manage and navigate to Disk Management and select the drive that to be hide and secured. Right click on specified drive and click on Change Drive Letter and Paths. Here click on “Remove” button and “OK” and then “Yes” to commit changes.
NOTE: No need to Restart or Log off Windows. System partition or contain pagefile of Windows partition can’t be hide and secured.