Laptop-wielding gamers are up in arms over a driver update from Nvidia, which disables overclocking in the company's gaming-laptop-targeted GeForce GTX 900M devices.Those who installed the drivers had their clock settings wiped, and according to TechPowerUp, even third-party overclocking tools have been blocked.Nvidia's explanation for the change is that the GTX 900M was never supposed to be able to overclock, and the driver update reversed the mistake.In response to angry user posts on Nvidia forums, the company¡¯s Manuel Guzman responded:Unfortunately GeForce notebooks were not designed to support overclocking. Overclocking is by no means a trivial feature, and depends on thoughtful design of thermal, electrical, and other considerations. By overclocking a notebook, a user risks serious damage to the system that could result in non-functional systems, reduced notebook life, or many other effects.There was a bug introduced into our drivers which enabled some systems to overclock. This was fixed in a recent update. Our intent was not to remove features from GeForce notebooks, but rather to safeguard systems from operating outside design limits.

Although a more familiar experience across devices is a good thing, sharing UI (User Interface) code across different form factors can result in a sub-optimal design. The Calculator app, for example, has richer features in the new universal app, but the typeface and buttons are small and faint compared to its predecessor which was designed solely for a phone.The same issue afflicts the new dialler app, and the biggest complaint currently visible in the feedback app is that the phone dialler buttons are too small. Fortunately there is plenty of time to tweak such things before release.The commitment to universal apps means that the Office applications currently available in preview for Windows 10 will also come to the phone. These include versions of Word, Excel and PowerPoint, which we can expect will be similar to those already available for Android and iOS. Mail and Calendar apps on the phone will be replaced by a version of Outlook.Despite disappointing initial impressions, spending time with Windows 10 reveals solid improvements. Notifications now support inline actions, such as replying to a text message, and this feels natural and saves time. The Action Center, revealed by a swipe from the top, is now more useful with up to three rows of icons. The Photos app can be set to show content from OneDrive cloud storage as well as the device itself, which means you can easily show snaps taken on other devices.

Some standard apps are greatly improved. The Alarms app now includes a world clock, where you can add cities to show times at a glance, as well as a timer and stopwatch; nice features though who expects to find a world clock in an Alarms app? The calculator has Scientific and Programmer modes, as well as numerous conversions. An enhanced File Explorer app comes as standard, replacing the File app Microsoft introduced for Windows Phone 8. Sound Recorder is a handy addition, useful for voice memos or quick recordings in meetings and the like.
Device encryption, previously controlled only via mobile device management such as Exchange ActiveSync Policy, can now be turned on easily through system settings.There is an intriguing new feature in the Windows 10 keyboard, which now has a blue dot, presumably representing a mouse stick as found on some laptop keyboards. You tap the dot and move your finger to move the text insertion point. If you miss the arrow keys found on most physical keyboards you may like this feature, though currently it is fiddly to control and too easy to overshoot the point you are trying to reach.

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This first preview of Windows 10 on a phone does show promise. The built-in apps are richer than before, and show how it is possible to create apps that are almost the same on phone and PC. When the Office apps arrive, a Windows 10 phone will be more capable as a productivity platform than its predecessor. Microsoft is also making an effort to streamline the settings and options, a welcome change given the confusing long list that appears in Windows Phone 8.1.The preview is not intended for general use and there are glitches and performance issues. Developers with any interest in Microsoft¡¯s platform should pick it up though, since it shows how Microsoft is bringing commonality to phone and PC via universal apps. In this preview it is mostly successful, though there are places where adopting a common UI is detrimental to usability on a phone.Can the combined target of PC, tablet and phone convince developers to support Microsoft¡¯s mobile platform? In a mobile world dominated by iOS and Android it will not be easy, but there is hope for improvement. The price is right: a Lumia 630 is a cheap device, but with Windows 10 installed it is surprisingly attractive and capable. NTT, NEC, Hitachi, Alcatel-Lucent, Cisco, and ALAXALA have put together a key test of interoperability in the network function virtualisation (NFV) world.

They've shown that the NFV concept of ¡°service chaining¡± ¨C putting together virtualised services by directing traffic through the addresses of services rather than (say) hardware ¨C not only works, but can work on a cross-vendor basis.The release itself is pretty dry, so The Reg's networks desk is going to take a shot at explaining why it matters.
The first step in NFV is to take a function ¨C the firewall is a handy example ¨C and abstract it from particular hardware. Instead it becomes a software running on a virtual machine (VM) that can be spun up and down on-demand.Service chaining describes the next step in the operation: creating more complex services by ¡°chaining¡± different virtual network functions (VNFs) together ¨C with different service chains able to be built for different customers.While vendors would love to keep their customers closeted in a single environment, that's not really feasible ¨C which is why standards organisations like ETSI and the IETF have been working on interoperability.In the current six-vendor demo, which will be shown off in public later this week at the NTT Musashino R&D Center at that company's 2015 R&D forum, the collaborators demonstrated packet delivery to the appropriate virtual network service, in the correct order.

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This involved the six vendors preparing various components of service chaining (Classifier, Service Function Forwarder, Service Function Chaining Proxy, and Controller) and getting them to interoperate.The NEC canned statement describes the roles of each of these as follows:Classifier ¨C Determines what service is to be applied to a flow, and attaches the appropriate tag. In the interop test, a network service header (currently being standardised in the ITEF) was used as the tag.
Service Function Forwarder (SFF) ¨C reads the tag to decide which service function is the destination for a particular packet.
SFC Proxy ¨C this provides legacy integration for ¡°pre-NFV¡± network services. Since (for example) a legacy firewall won't know what to do with the SFC header, it strips it off if a packet is being sent to a legacy service.

In the service chain shown in the image above, video destined for a mobile device needs to be a bit thinner than a laptop browser.In the service chaining model, all that's needed to add video optimisation to the chain is the appropriate tag. So if it all works as described on the box, NFV plus service chaining provides both flexibility and automation.

Since telcos won't rip out today's non-virtual equipment while it's still got economic life in front of it, the ability to use NFV proxies to integrate existing kit is also important. Demonstrating multi-vendor interop in a way that also offers a phased introduction of virtualised kit is a big step towards getting telcos to implement the emerging NFV technologies. Pics Thinner, lighter, harder. Pick any two right? Not according to the flacks from Panasonic who reckon the new CF-54 Toughbook is all three and more.In fact, they are suggesting that the CF-54 is the first semi-rugged laptop you may just want to splash out for, even if you are just a regular consumer. Albeit one with deep pockets.
You see the CF-54¡¯s predecessor, the CF-53, was certainly tough enough but it was a bit of a monster. Thick as a brick, twice as heavy and three times as ugly ¨C it was a man-sized laptop and no mistake.The new model, while offering the more or less same ruggedness, is now 50 per cent thinner and 25 per cent lighter. We are talking about a drop from 2.65kg to 1.99kg and that makes one heck of a difference if you are humping your laptop around with you all day.