As already mentioned in the introduction SCSI-1 supports up to seven devices. The maximum data transfer rate is 5 Mbytes per second. SCSI-2 was a significant improvement. The SCSI-3 standard is not yet finalized. Top SCSI Termination Termination of the SCSI bus is very important but not difficult.
Terminators are special electrical resistors.
With some devices you have to manually insert or remove this terminator. Other devices have built-in terminators that can be enabled or disabled via switches or software commands. Below you can find the settings for internal and external drives of the current Plextor models. For previous models please refer to the manual that comes with the CD-ROM drive. On host adapters the termination is usually enabled by default.