Small Computer System Interface (SCSI) is a parallel interface standard used to attach peripheral devices to PCs....
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SCSI interfaces provide for faster data transmission rates than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface.
Although SCSI is a standard, there are nine variations of it, so two SCSI interfaces may be incompatible. For example, SCSI supports several types of connectors.
This series of tips by contributor Rick Cook takes a look at troubleshooting SCSI. The tips cover connectivity problems, SCSI terminators, IDs and cabling -- the four major trouble spots for SCSI.
Fast Guide: Troubleshooting SCSI
Troubleshooting SCSI: Solving connectivity problems
Troubleshooting SCSI: OS doesn't see adapter
Troubleshooting SCSI: ID conflict
Troubleshooting SCSI: Termination issues
Rick Cook has been writing about mass storage since the days when the term meant an 80K floppy disk. The computers he learned on used ferrite cores and magnetic drums. For the last twenty years he has been a freelance writer specializing in storage and other computer issues.