By Adrian Wong
What's a BIOS? BIOS, stated "bye-ose," is an acronym that standsfor uncomplicated enter Output process. The BIOS is integrated software program that determineswhat a working laptop or computer can do with no having access to courses from a disk. On computers, theBIOS comprises all of the code required to regulate the keyboard, exhibit screen,disk drives, serial communications, and a couple of miscellaneous functions.Furthermore, The BIOS is answerable for booting your laptop via supplying abasic set of directions. The BIOS plays the entire important projects that needto be initiated at start-up time: POST(Power-On Self try out, booting anoperating process from FDD or HDD). In essence, it is vital to upgradethe BIOS in your computer as a way to keep or necessarily receive compatibilitywith the computer industries newest undefined, software program and working platforms.
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Extra info for Breaking Through the BIOS Barrier. BIOS Optimization Guide for PCs
If the drive is empty, loading a disc is as simple as sliding it in an inch or so; the drive sucks in the disc automatically. (And we don’t need a stinkin’ floppy. ) A MacBook Air doesn’t sport any internal optical drive. You use either the CD & DVD Sharing feature in Snow Leopard to read discs remotely (from another Mac or PC on your network), or you can pick up an external optical drive from Apple for about $100. ) I discuss the MacBook Air in detail in Chapter 2 of this very minibook. indd 15 10/14/09 10:28 PM 16 Looking Over Your Laptop “Luke, the printed label side of the disc should always be facing you when you load a disc.
That’s a built-in iSight camera, which allows you to chat with others in a videoconferencing environment using Snow Leopard’s iChat feature. You can even take photos with it, using the Photo Booth software that comes with your laptop, or set up a travelin’ Webcam. Of course, your laptop automatically charges the battery while it’s plugged in, so you shouldn’t have to remove the battery unless you’re replacing it or switching it with another battery. If you’re using a MacBook Air, your battery is sealed inside the case and can’t be swapped.
In fact, the cost has been the limiting factor, because a solid-state drive offers a number of advantages that really set it apart from a conventional magnetic hard drive: ✦ No moving parts: Unlike a typical magnetic hard drive, there’s no read-write heads, no magnetic platter — just gobs of happy silicon memory chips. In effect, a solid-state drive works along the same lines as your MacBook’s system RAM. Unlike your Mac’s RAM, though, a solid-state drive doesn’t lose the data it stores when you turn off your laptop.