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Choosing a tape backup drive can be a simple job if you need to back up a single standalone system with a relatively small hard drive. The decision becomes more complex if the system has a larger hard drive or if you must back up a desktop system as well as a laptop. Choosing a tape backup drive type can be an even more complex program if you must back up a network server's hard drives and perhaps even back up the workstations from the server. As you ponder which backup tape drive you should select, consider the following facto...
2. DVD Copy Protection
DVD video discs employ several levels of protection that are mainly controlled by the DVD Copy Control Association (DVD CCA) and a third-party company called Macrovision. This protection typically applies only to DVD-Video discs, not DVD-ROM software. So, for example, copy protection might affect your ability to make backup copies of The Matrix, but it won't affect a DVD encyclopedia or other software application distributed on DVD-ROM discs. Note that every one of these protection systems has been broken, so with a lit...
3. How to Manually Resolve Motherboard Conflicts
In the past, the only way to resolve conflicts manually was to take the cover off your system and start changing switches or jumper settings on the adapter cards. Fortunately, this is a bit easier with plug-and-play because all the configuration is done via the Device Manager software included in the operating system. Although some early plug-and-play cards also had jumper switches or setup options to enable them to be configured manually, this feature was found primarily on ISA PnP-compatible cards. Be sure you write down or print o...
4. Hard Drive Advancements
In 1957, Cyril Northcote Parkinson published his famous compilation of essays titled Parkinson's Law, which begins with the statement, "Work expands so as to fill the time available for its completion." A corollary of Parkinson's most famous "law" can be applied to hard drives: "Data expands so as to fill the space available for its storage." This, of course, means that no matter how big a drive you get, you will find a way to fill it. I know that I have lived by that dictum since purchasing my first hard disk drive more than 2...
5. How Magnetic Fields Are Used to Store Data
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6. Hard Disk Form Factors
The cornerstone of the PC industry has always been standardization. With disk drives, this is evident in the physical and electrical form factors that comprise modern drives. By using industry-standard form factors, you can purchase a system or chassis from one manufacturer and yet physically and electrically install a drive from a different manufacturer. Form factor standards ensure that available drives will fit in the bay, the screw holes will line up, and the standard cables and connections will plug in. Without these indus...
7. Magneto Optical Drives
One of the most neglected types of removable-drive technologies is the magneto-optical (MO) drive. Introduced commercially in 1985, magneto-optical drives are now available in capacities exceeding 9GB. Two sizes of magneto-optical media and drives are available for desktop computers: 3 1/2" and 5 1/4". The 3 1/2" drives have capacities up to 2.3GB, and the 5 1/4" drives have capacities up to 9.1GB. 12" MO drives are also available for enterprise systems. Originally, magneto-optical drives were strictly WORM (write once, r...
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If you prefer magnetic storage for digital camera or other electronic device data storage, consider the Hitachi Microdrive, originally developed by IBM and now manufactured and sold by Hitachi Global Storage Technologies. The Hitachi Microdrive has also been sold by various other companies under OEM agreements. The Microdrive is a true hard disk that spins at 3,600RPM and features a 128KB cache buffer. Since its introduction by IBM, the Microdrive in its Compact Flash Type II-compatible form factor has increased in capaci...











