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Steps to Better PC Power Management

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Many businesses today are looking for simple ways to go green — whether it’s to help the environment or to save a few bucks, or a bit of both — but they aren’t likely thinking about PC power management. In fact, desktop PCs and monitors use up to 13 percent of all power consumed in office environments, and that number could be much higher when you factor in connected peripherals such as printers, copiers, and external hard drives. And you thought your lights and air conditioner were the culprits. The good news is there are a few things a small or mid-sized business can do in order to cut down on energy consumption at the office, specifically relating to computers and monitors. Here are steps experts suggest that a business can take to better manage PC power usage. Turn it off The single biggest thing a company can do to lower power consumption is to turn the computer off when not in use, such as at night. “This might sound like a no-brainer, but the reality is the vast majority of business PCs run 24 hours a day, 7 days a week, 365 days a year,” says Steve Kleynhans, vice president of the client platforms group at Gartner, a Stamford, Conn.-based IT research firm. “Companies are more concerned, and probably rightly so, about security and reliability than they are about saving some power — they want to ensure those machines are up and waiting to have latest security fix — but leaving them on all the time is extremely wasteful,” continues Kleynhans. “But there are technologies to get around this today.” Specifically, there are popular software tools provided by the likes of Verdiem and 1E Software Solutions, and innovative hardware including Intel’s award-winning vPro technology. “Traditionally, PCs are left on at night so your IT person can patch them without interrupting your work,” explains Josh Hilliker, Intel architect and community manager for Intel vPro technology. “The beauty of vPro is you can now shut them down and wake them up, patch them and then shut them back down again — remotely — and you can set how and when you want to deploy this,” he explains. Hilliker knows a few things about power management. He used to work for the Pacific Gas & Electric Company before joining Intel 14 years ago. “Employing these solutions that let you power down PCs at night can cut your power consumption down by two-thirds,” confirms Kleynhans, “which is huge.” The cost savings can add up, too. “You might not think you’re saving much, such as $10 a month per machine, but that’s more than a hundred dollars per year, and if you have a thousand machines in your organization, someone will notice.” “Cost savings aside,” adds Kleynhans, “it’s just the right thing to do.” Those hungry monitors, too If you’re not going to power down your PCs at night, at the very least make sure monitors are turned off when not in use. During working hours, have the monitors go into sleep mode when the PC has been left idle for a couple of minutes. “Definitely get rid of screen savers — they should be called ‘screen power wasters’ — such as those with fancy 3-D effects, flying toasters, or photo slideshows,” advises Kleynhans. “You don’t need them with LCD monitors since they don’t suffer from [phosphor] burn-in compared to older CRT monitors.” Another good idea is to buy monitors that have been certified by the U.S. Department of Energy’s Energy Star rating program. The program rates devices based on the amount of energy they consume. Another tip is to unplug other PC peripherals when not in use, such as printers and external drives, and power them down at night, too. Meanwhile, wired mice and keyboard use up less power than wireless ones. Love those laptops If you’re willing to make the switch, changing what kind of computer your employees use can make a serious difference in your business’ energy consumption. “Switching from desktops to laptops is a great move,” says Kleynhans. By the time you include the tower and monitor, a midrange desktop consumes about 130 watts of power, while a high-end machine, perhaps used for editing or animation, might consume up to 500 watts of power. Compare this to “even the most power hungry” laptop computer, which consumes about 85 to 95 watts of power at most, explains Kleynhans. “Laptops were designed out of the box to be energy efficient,” he says.

Not Easy Being Green: Software Can Help

Rows of desks — all with colorful screensavers — running on oversized monitors. This is a common site in many offices today that greets those showing up for work on Monday morning, as the machines — monitors and all — were left on over the weekend. Blame it on the IT mantra of the early to mid-1990s that said that shutting down a PC would cause extra wear and tear, and that machines are generally energy-efficient enough that computers can be kept running all the time. The truth is that PCs and monitors account for 40 percent of IT-related emissions, and account for 13 percent of all power consumed in an office environment. Just turning off the monitor can be a good first step, and this is where programs such as WatchOverEnergy can be a benefit. This freeware program from AKS-Labs runs in the background, and helps users manage stand-by mode and track energy savings. WatchOverEnergy can even shut off the monitor when the PC is inactive for periods of time, such as if a worker forgets to turn it off before heading for lunch or a meeting. It also ensures that other programs that are running, such as e-mail, aren’t shut down, or a Word document won’t be lost. “This is not a problem, as the software turns off the computer monitor, not the computer,” says Bob Elliot of AKS-Labs. And while the savings are small per machine, those savings can add up. “If we talk about one computer, you will not be able to save hundreds of dollars. But if you’re running a company network, you will be able to save much more.” Power saving programs Green IT software is also a growing sector with numerous companies providing programs that allow users to track, manage and even save some energy. And while the savings aren’t likely going to be huge, they could be noticeable. “Anything you do to be more green will also save you money,” says Richard Hodges, principal of GreenIT in Sonoma, Calif. “In California, there is a leading edge program, where PG&E will rebate you the cost of the power management software. So it costs you nothing.” One of the programs in the energy management space is Verdiem’s SURVEYOR, which includes options for a system to turn on/wake on-demand to tackle scheduled tasks, including software and security updates. This can come in handy for businesses that might need to send e-mail overnight, update Web pages, or run other tasks at times when employees are at home asleep. “The machine can start up at 1 a.m. to download updates and shut down at 2 a.m., with a full reboot,” explains Bruce Twito, chief technology officer and vice president of product development for Verdiem. “The machine can also be put into standby while programs such as virus scan can run, and then can be a shut down afterward.” Most of these energy saving programs are also not system hogs. After all, it wouldn’t offer much good if the program ate up valuable hard drive space or required businesses to upgrade machines to get the application to run. “The application uses fewer resources than e-mail, Excel, or Word,” says Twito. The agent runs on the machine, but most of the time takes very little system resources. “It is there to enforce the policies but it is hardly noticeable.” Green to the core It might seem obvious, but one area where businesses can get the most out of their software is through software updates. And while video drivers, security patches and other updates of applications are common; the core of the system isn’t typically addressed. “This is the way that AMD and Intel can help you with the frequency throttling through the chipsets,” says Matthew Wilkins principal analyst, compute platforms research for iSuppli Corporation. He says that people seldom update the BIOS. “Sometimes there are several later versions. But think of all the things on the motherboard, and we tend to neglect it,” Wilkins says. “We update all the various other drivers. But the BIOS helps with optimization of the operating system.” Wilkins adds that this is important to consider, especially given that the CPU architecture is no longer just built around high clock speeds. “It is not about the clock speed race that it once was.” For this reason businesses may even hang on to PCs longer. This certainly means a savings, as even budget-priced machines can still be close to $1,000 today. But, more importantly, says Hodges is to look at ways to do more with the machines you have. “One PC by itself doesn’t use a lot of electricity, but all the systems together do add up.” Small to medium businesses should also find ways to do more with fewer applications, and that every time a program is added the costs increase. “Reducing the number of applications will simplify the computing costs and the amount of equipment needed and the energy used,” Hodges says. Of course, that savings can be as free and as easy as pushing a button. “If you are a small business you could also just tell people to turn off the machines,” Hodges says. “Turning computers off on weekends and evenings will save you money.”