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SCSI vs. IDE

As the result of ever lowering costs, IDE RAID configurations are becoming increasingly popular. However, costs alone should not be your only consideration when comparing SCSI to IDE in RAID configurations with 4 or less hard disk drives. Although SCSI is often considerably more expensive on initial implementation, it offers …

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What's the Difference Between PIO and DMA Mode?

PIO, DMA, what’s the Difference? If you have arrived here via a search engine and there is no menu to the left, click here! The difference between PIO and DMA modes There are two modes in which data can be transferred between an ATA hard disk drive and the computers …

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Hard Drive Glossary

PARALLELISM 1. The condition of two planes or parallel lines. Important in disk drives because a lack of it in mechanical assemblies can result in positioning inaccuracy. More precisely: planes-coplanar; lines-colinear. 2. Is the local variation in disk thickness measured independently of thickness itself. 3. The ability of a multiprocessor …

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Hard Drive Glossary

Hard Drive Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Notice: The information provided herein is presented as is and without any warranty of any kind, either expressed or implied. In …

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Hard Drive Glossary

SECTOR A sector is a logical segment of information on a particular track, and is the smallest addressable unit of storage on a disk. Tracks are divided into sectors, with each sector 512 bytes long. They contain data, but also contain information as to where the data is located, among …

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join MS-DOS Command

Type: External (3.1 and later) Syntax: JOIN d: [d:path] JOIN d: [/D] Purpose: Allows access to the directory structure and files of a drive through a directory on a different drive. (In DOS Version 6, this program is stored on the DOS supplemental disk.) Discussion After joining a drive to …

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Server versus Peer to Peer

Peer-to-Peer versus a Client-Server Every network, regardless of whether it is “peer-to-peer” or “client – server” based requires some form of special software in order to control the flow of information between the users being networked. A Network Operating System, or “NOS”, is installed on each computer requiring network access. …

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Making Windows Explorer work as you wish!

Making Windows Explorer work as you wish! If you have been accessing files on your Microsoft Windows 95, Windows 98, or Windows NT 4.0 based computer, you have no doubt done so using Windows Explorer. When using Windows Explorer, it typically opens to the default view displaying the contents of …

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DMA Controllers

DMA Controllers If you have arrived here through a search engine, and there’s no menu to the left click here! Explanation: The system has detected an error associated with the direct memory access (DMA) controller(s) on the system motherboard. Diagnosis: In almost all cases, this a motherboard problem, but it …

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An explanation of, and the relationship between the Run, RunOnce, RunServices, RunServicesOnce and Startup Registry keys

An explanation of, and the relationship between the Run, RunOnce, RunServices, RunServicesOnce and Startup Registry keys Many times we have been asked how these keys effect the operation of Windows, when they are loaded and in what order. The following information should provide you with a better understanding of these …

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