Noticias del Sector
20091010

Shutting down your PC at the end of the day is so 20th century. What you probably should be doing is putting it into sleep mode. Youll save that interminable wait for your system to boot up, and it wont destroy the Earth or your bank account with a dramatic change in energy usage. Allow me to illustrate. I have a fairly high-end system at home. Its a Core i7 920 based PC with 6GB of RAM, a high-end GeForce card (sometimes its a Radeon, I go back and forth), and a reasonably quick Seagate 7200. 10 hard drive. Im running the final release of Windows 7. This is how long it takes me to shut down and boot: Shutdown: 0:16 Boot: 1:06 Shutting down is pretty fast, but booting up is painfully slow. Bear in mind, this is what I call true boot-up time. It the time from when I press the power button to when Im at a usable desktop (where you can actually click on things and get a response). Like your system probably is, its not totally clean. I have Dropbox and my antivirus software loading at boot. Heres the numbers to go into sleep mode, and wake from sleep: Sleep: 0:18 Wake: 0:02 Thats right two seconds to get to a truly usable desktop waking from sleep mode. Shutting down takes a couple seconds longer, but waking my computer up is almost instantaneous. Not to mention that I can wake up my PC by tapping the keyboard, instead of reaching down to press a small power button. But what about power, you ask? Am I running up my power bill? As long as your system BIOS supports the S3 ACPI (Advanced Configuration and Power Interface) mode, no. The S1 mode leaves the CPU and RAM powered up, the S3 mode powers those down. Our article from a couple years ago on how to check and change your BIOS sleep state is still ...

Twitter Continues to Battle DDoS Attack Latest BizFeed Posts: Saturday, August 08, 2009 Twitter Continues to Battle DDoS Attack Friday, August 07, 2009 Digg Voting Platform Lets Users Vote on Ads Friday, August 07, 2009 Learning Lessons From the Twitter Outage Friday, August 07, 2009 Windows 7 Bug Is No Showstopper Thursday, August 06, 2009 White House Healthcare Campaign Raises Data Privacy Worries All BizFeed Posts More Business Center Blogs More than two days after experiencing a complete outage as a result of a distribute denial-of-service (DDoS) attack, Twitter and other social networking sites such as Facebook are still battling a surge in traffic related to the attack. Twitter has taken some steps to mitigate the spike in traffic and ensure that the site is not knocked offline again, but some of those steps are having an impact on third-party tools that link to Twitter through APIs (application programming interface). Evidence gathered thus far from Twitter and other sites targeted by the DDoS attacks seems to suggest that the attack is actually a politically motivated attack aimed at silencing a Georgian activist. The victim, known by the online handle Cyxymu, uses blogs and social media sites like Twitter and Facebook to express views related to the tensions between Russia and Georgia. In a blog post, Mikko Hypponen, Chief Research Officer of Internet security firm F-Secure, said Launching DDoS attacks against services like Facebook is the equivalent of bombing a TV station because you dont like one of the newscasters. To defend itself against the ongoing DDoS attack, Twitter has implemented various defensive actions, some of which are blocking third-party Twitter applications from being able to connect with Twitter APIs. The mitigating steps are also affecting the ability of many users to post to their Twitter accounts via SMS (short message service) text mess ...

Toshiba is planning to launch players and laptops with support for Blu-ray Disc later this year, it said Monday. The company was the primary backer of the HD DVD optical-disc format that had been battling Blu-ray Disc until last year. In a brief statement Toshiba said it had applied for membership for the Blu-ray Disc Association (BDA), the standards setting and licensing body behind the format and would launch products before the end of 2009. In light of recent growth in digital devices supporting the Blu-ray format, combined with market demand from consumers and retailers alike, Toshiba has decided to join the BDA, it said. Long Time Coming The move ends an almost seven-year journey for Toshiba that began in August 2002 when it and NEC proposed a blue-laser format to the DVD Forum as a replacement for DVD for high-definition movies. Sony and a group of other companies had announced their intentions to unite with Blu-ray Disc earlier in the year and the stage was set for a battle between the two. Over several years Sony, Toshiba and a handful of other heavy hitters in the consumer electronics industry pitched products against eac ...

The story headlined Symark International buys BeyondTrust, and posted Friday has been removed from the wire. Online editors are asked to immediately remove the story from Web s ...

Seagate Technology LLC today started shipping a 6Gbit/sec serial ATA hard disk drive, which doubles the throughput of its previous high-end SATA drive. The new 2TB hard drive is the first available drive that meets the SATA International Organizations SATA 3. 0 specifications, Seagate said. The new Barracuda XT (or model ST32000641AS) is a 3. 5-in, 7,200RPM desk top drive with 64MB of cache. It carries a manufacturers suggested retail price of $299. Initially, Seagate sees only a niche market for the drive, but said that by 2011, it expects that SATA 3. 0 motherboards will be ubiquitous and that applications will require the drives 6Gbit/sec bandwidth. In a sense, its good Seagates in the lead to bring this to market, but adoption is really going depend on the availability of 6Gbit/sec SATA on the host side, said John Rydning, research director for hard disk drives at IDC in Framingham, Mass. Initially, Seagate said it expects the Barracuda XT to be used in high performance PC ...

Nuevos y más pequeños WD My Passport Essentialspor : Jesús Maturana: 11 Sep 2009, 12:34 La compañía Western Digital acaba de presentar su nueva línea de discos duros portátiles WD My PAssporte Essentials que destaca por ser más pequeña y compacta que la anterior gracias a la integración de un disco duro con conexión nativa USB y evitar así la circuitería extra para pasar de SATA a USB. Ello tambié ...

Mini-SATA, conector estándar para SSDs en netbookspor : Jesús Maturana: 22 Sep 2009, 9:00 SATA International Organization (SATA-IO) acaba de anunciar que presentará en IDF, que comienza mañana, un nuevo conector estándar pensando en sistemas de almacenamiento para netbooks y equipos de tamaño reducido. Se trata de mini-SATA (mSATA). El estándar ha sido completado y está comenzando el rumbo final hacia su lanzamiento al mercado pasando una fase de 30 días de ratificación del mismo. Se trata del conector más pequeño conocido para SATA. Los SSD se han convertido en una pieza clave de los sistemas portátiles debido a su escaso peso y tamaño a la vez que un bajo consumo. Netbooks, portátiles ...

Hewlett-Packard Co. is introducing its third generation of MediaSmart home servers today, with more features for Mac users and multimedia-philes. The EX490 and EX495, which run heavily-modified versions of Microsoft Corp. s Windows Home Server operating system , will let users control the server from a Mac using Microsofts Remote Desktop Connection Client for Mac 2. The new MediaSmart servers can also work with Apple Inc. s Time Machine backup software to do bare metal recovery of a crashed Mac computer using data stored on the home servers. A lot of consumers are buying Macs. So while HP may be competing against Apple in the PC space, it needs to pitch the MediaSmart as Mac-friendly, said Roger Kay, an analyst with EndPoint Technology Associates Inc. Available for pre-order today, the EX490 and EX495 can also be set to automatically collect music and video files from desktop and laptop PCs on the same network, and then stream them out to Mac and Windows PCs -- and even users iPhones, said Charles Shilling, a product manager for HP. The new EX490 with single-core Intel Celeron 2. 2 GHz CPU and 1 TB of storage starts at $549. The 2. 5 GHz Pentium dual-core-equipped EX495 with 1. 5 TB of storage starts at $699. It is aimed at users who want the extra horsepower for things such as automatically converting videos, including unprotected DVDs, into the MPEG-4 format, Shilling said. HP launched its first MediaSmar ...

Corsair Memory has announced what it claims to be the worlds fastest a 128GB USB flash drive, the Flash Voyager GT. The newest Flash Voyager GT is based on a dual-controller architecture to achieve what Corsair said is single-level cell (SLC) NAND flash memory performance levels using less expensive and higher density multi-level cell (MLC) NAND flash. According to Corsair, the 128GB Flash Voyager GT can achieve read speeds of up to 32MB/sec and write speeds of up to 25. 6MB/sec. The limiting factor in throughput is the speed of the USB 2. 0 bus -- a maximum of 480Mbit/sec -- and any operating system overhead. By comparison, the 8GB Iron Key USB flash drive, which actually uses SLC flash memory, has a read speed of up to 30MB/sec and a write speed of up to 20MB/sec. ( Computerwords review of the 4GB Iron Key showed it had a read rate of 29MB/sec. ) Flash drives with more memory tend to have better performance. (See ...

Advanced Micro Devices upcoming 12-core chips will draw the same power as existing six-core chips, but will have reduced clock speeds, a company official said Monday. The companys upcoming 12-core server chips, code-named Magny-Cours, put two six-core chips in one package. The same silicon is used in existing six-core chips, code-named Istanbul, which are part of the Opteron line of server processors. AMD designed Magny-Cours chips to draw the same power as Istanbul chips, said Pat Conway, a member of AMDs technical staff, in a presentation at the Hot Chips conference at Stanford University. Responding to an audience question about how Magny-Cours, with two chips, will use the same power as one Istanbul chip, Conway said that AMD is reducing the clock speeds of the Magny-Cours and added that power management features are being added. However, Conway declined to comment on potential clock speeds of 12-core chips in response to a question. Thats a detail were going to save for the product launch, Conway said. The chips are aimed at servers and are due out in the first quarter of 2010. Chip makers like Intel and AMD reverted to adding cores to boost chip performance earlier in the decade, as cranking up clock speed led to excessive heat dissipation and power consumption. Even though the clock frequencies will fall, Magny-Cours chips will pack more performance compared to existing Opteron chips, Conway said. The larger ca ...

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