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Acer TravelMate 2490 Battery

  • fasophiafrance
  • 2016年6月27日
  • 讀畢需時 8 分鐘

As I've said before, the single USB-C port is the most divisive feature, apart from maybe the price - starting from £1,049 for 256GB of flash storage and a 1.1GHz processor, or £1,299 for 512GB of flash and a 1.2GHz processor. This MacBook has been designed for people who want a super-portable, good-looking laptop and who aren't concerned about plugging in peripheral attachments, rather than a machine to use in the office.

There is a chance Apple is preparing to update the MacBook Air and MacBook Pro lines at its forthcoming developers’ conference in June, so if you're after a slightly cheaper or more powerful Mac, it might be worth holding out for those. In this meantime, the rose gold MacBook is a stunning laptop, if you're willing to pay the price.Ahead of Computex 2016, MSI announced that it had a VR backpack to show off. The concept makes sense to a degree, in that instead of being tethered to a PC by a VR HMD’s cables, you would be free to roam a virtual world within your physical one. If the HMDs can’t be wireless, then why not make the PC wireless (in a way), goes the logic.

But because the PC goes on your back, problems emerge--most notably, what sort of otherworldly battery do you need to power a VR-ready PC?Other more minor but nevertheless problematic issues could arise around cable management and connecting and powering indispensable items such as the HTC Vive’s link box. Going in, we weren’t sure that MSI had thought through all of the above. And then we learned about a couple more VR backpack prototypes.

MSI had its backpack prominently on display in its enormous, bustling booth, and a few of us had the chance to try it out. Getting geared up was a little bit of a chore; there were two “helpers” strapping me in like I was a scuba diver donning an air tank, although I suspect that was much ado about nothing. You should be able to hoist the VR backpack on your shoulders solo with no problem.

During the actual demo, the backpack all but disappeared. I immediately forgot that I was wearing it, focusing instead on the space droid spitting deadly pink orbs at me. It’s a perfect VR demo because the resolution and overall graphics quality are spot on and the game is simple and engaging (shoot the little things before they kill you), and it intensifies as you play. In short order, instead of dodging a few slowly floating pink balls, you have adorable projectiles coming at you from all sides, and you have to hustle to stay alive.

When I couldn’t simply dodge the balls and had to actually squat down to evade the attacks, I remembered that I was wearing the backpack. I was essentially doing squat thrusts with what felt like 15 or so pounds on my back. (MSI said that the final version will weigh “under” 5 kilograms, or about 11 lbs.)

In addition to the weight, I was concerned about the heat. You are after all literally wearing a PC, and PCs produce heat, especially when the components are thrumming. This is in addition to the fact that you’re wearing a backpack, which could make your back sweaty even without a high-end PC involved.

The PC exhausts out the side of the backpack, which is preferable to venting out the top or bottom (for obvious reasons). The area of the booth in which we tested the backpack was partially enclosed and overly warm, so although I was rather toasty by the time I pulled off the HMD, I attribute that mainly to the space itself and not the PC’s heat.Based on the demo I enjoyed, I believe that wearing this VR backpack will be a reasonably comfortable experience.

Even so, the battery question looms large. On this point, MSI is still making decisions about which type of battery to use, and what capacity, but the demo unit had the same battery as the MSI GT80--Lithium-Ion--but with 24 cells. We have reason to believe that there are three of those 8-cell batteries tucked away into the backpack. Regardless, the final version could be different, and whatever size and type of battery it ends up using, MSI has promised two hours of juice and a faster recharging time when the final version lands on the market sometime in the second half of this year (but closer to Q4).

Under the hood--err, in the backpack--sits an unlocked Intel Core-i7 (mobile) chip. MSI has not yet decided on which GPU will get the nod, but a rep told me that, in the end, they’ll roll with whichever mobile GPU they think can offer the most performance within the limitations of the backpack system. (They’re leaning Pascal.)We don’t know any other specifications at this time in the way of RAM, storage and so on, but we know that the backpack has 802.11n Wi-Fi that it uses (along with proprietary MSI software) to connect to another PC that can show the VR gameplay on a screen for all to see. (We believe that MSI mocked up this software for demo purposes but possibly saw the value in it for end users.)

Currently, the VR backpack supports only the Vive, but Rift support is coming. Primarily, because the backpack’s basic job is enabling easier roomscale experiences, there’s no point in supporting the Rift, at least until the Touch controllers finally hit the market. When that happens, MSI reps told me, the backpack would support the Rift.

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The Vive has a 5-meter HDMI cable. As anyone who’s ever built a PC knows, that’s a lot of cable to manage. MSI apparently figured that out, because it has worked with HTC to develop a special, shorter (under 50 cm) Vive cable. Ostensibly, the shorter cable is for the MSI VR backpack, but we wonder if HTC would have gone to the trouble unless it thought this VR backpack thing would take off with other companies. It already includes an extra port for the Vive’s link box.Speaking of VR backpacks and other companies, MSI is by no means the only one in the game. Although we haven’t seen it yet, HP’s Omen X VR PC Pack looks to be a mostly-developed MSI competitor in this space.

Other prototypes seem less polished. For example, we spotted the below VR backpack from Chaintek.Chaintek will employ an Nvidia GTX 980 GPU and an Intel Core i7-6700K chip. It was connected to a Vive, and it had three USB ports, one audio connection and two HDMI ports.As you can see from the images, this prototype is scuffed up and raw, despite the attractive design on the back. Note that the battery pack is basically just a cloth sack at this point. We did get a quick peek inside, though, and found at least two battery packs--and is that a passive heatsink? (How they got this menagerie through airport security is a mystery.)Zotac has its own backpack prototype; this type of product seems almost obvious for a company that specializes in small form factor PCs. In our conversation with company reps, two things were clear: They were doing a good job of thinking through all the issues they needed to solve, and they were not close to finishing that thought process.

For example, they determined that the final version must have a hard shell (like MSI’s backpack) instead of a soft one, to protect the PC from damage when (not if) wearers bump into walls and furniture and friends.Does your laptop battery keep dying? Google Chrome may be to blame! Microsoft says browser drains power We've all been there - you are just in the middle of finishing an important email when your laptop crashes and you lose your hard work. But it seems that your laptop alone might not be to blame.While Google Chrome is the most popular internet browser, a series of tests by Microsoft - who are Google's rival - have shown how much the search engine is draining your laptop battery. The tests streamed the same video on four unplugged, identical laptops, each on a different browser. The browsers tested were Mozilla Firefox, Google Chrome, Microsoft Edge and Opera.

The results showed that Google Chrome was the worst on the battery, with the laptop only lasting four hours and 19 minutes. The laptop using Mozilla Firefox lasted five hours and nine minutes, while Opera lasted six hours and 18 minutes. Opera has a specific power saving mode, which recognises when your laptop is not charging and reduced background activity such as plug-ins. Samsung is reintroducing the lucky number seven to its notebook lineup with its latest 3-in-1, the Notebook 7 Spin. Announced today, it comes with either 13- or 15-inch screen sizes, and is geared primarily toward entertainment uses.As a 3-in-1 design, the Notebook 7 has a display that rotates through 360 degrees. That means you can use it as a traditional laptop, a tablet, or a tent for watching videos. It's compatible with Windows 10's Continuum feature, which automatically adjusts the display and input modes based on the device's orientation.

As you should expect from an 11.6-inch laptop, the keyboard is fairly small, but it is still fully functional. The LED screen has a resolution of 1366×768, but since the screen is so small, you are better off using the Stream’s HDMI port to hook this computer into a larger display for movie watching or other media work. The Stream also has one USB 3.0 port and two USB 2.0 ports for connecting other USB peripherals.

Overall, this colorful little device is a fantastic value for someone who needs a basic laptop to take out and about. One thing to consider about this laptop is that for it faces some stiff competition from Chromebooks and tablets that are a similar price. Still, as far as Windows-based hardware, this is definitely the budget laptop of choice.

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Sony Corp (ADR) (NYSE:SNE)is recalling about 1,700 Panasonic Corp. lithium-ion battery packs installed in Vaio laptops, due to overheating that may pose a fire hazard. According to a notice from the U.S. Consumer Product Safety Commission, no related incidents or injuries have been reported. In early 2014, Sony said it would discontinue the sale of PC products, and the company sold its Vaio business to private-equity firm Japan Industrial Partners Inc. At the time, Sony said it would continue providing customer service for existing Vaio customers. Sony Corp (ADR) (NYSE:SNE)’s stock on 15 June traded at beginning with a price of $28.01 and when day-trade ended the stock finally advanced 1.19% to end at $28.00. Sony Corp (ADR) (NYSE:SNE)’s showed weekly performance of -4.04%.

ASML Holding NV (NASDAQ:ASML), has agreed to buy Taiwan-based pattern verification systems company Hermes Microvision Inc. for about 100 billion New Taiwan dollars (about US$3.09 billion). ASML said the deal enhances its “holistic lithography” operations, which refers to the combination of scanner, metrology and software products. Return on Investment for ASML Holding NV (NASDAQ:ASML) is 14.70% and on Wednesday its shares closed at $94.18. ASML Holding NV (NASDAQ:ASML) monthly performance stands at -1.72% while its year to date performance is 7.36%.

SolarCity Corporation (NASDAQ:SCTY) on June 09, announced the appointment of Toby Corey as president of global sales and customer experience. Mr. Corey will oversee SolarCity’s sales, marketing and customer service organizations in his new role, and report to CEO Lyndon Rive.

SolarCity Corporation (NASDAQ:SCTY) shares advanced 2.73% on last trading day to close the day at $21.07. Company price to sale ratio is 4.86 and has 1.00% insider ownership. SolarCity Corporation (NASDAQ:SCTY) belongs to Technology sector.

Tribune Media Company (NYSE:TRCO) Broadcasting’s 42 owned or operated television stations, which reach more than 50 million households across the United States, tonight were forced off Dish Network’s satellite distribution system at 7 p.m. ET, when the contract between Tribune Broadcasting and Dish expired. At the same time, roughly 7 million Dish subscribers nationwide have also lost access to WGN America, Tribune’s basic entertainment cable network and the home of hit shows “Underground” and “Outsiders.”

On last trading day Tribune Media Company (NYSE:TRCO) advanced 2.71% to close at $37.92. TRCO is -30.54% away from its 52 week high and is moving 47.16% ahead of its 52 week low. Tribune Media Company (NYSE:TRCO) return on investment (ROI) is -4.40%.


 
 
 

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