Adaptec 39106 사용자 설명서

To ensure reliable communication on the SCSI bus, the ends of the 
SCSI bus must be properly terminated. This is accomplished when 
the device at the end of each cable, or the end of the cable itself, has a 
terminator installed (or enabled). Terminators must be removed, or 
termination must be disabled, on devices between the ends of each 
cable.

Since the method for terminating a SCSI device can vary widely, 
refer to the device’s documentation for instructions on how to 
enable or disable termination. Here are some general guidelines for 
termination:

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Internal Ultra160 and Ultra2 SCSI devices come from the fac-
tory with termination disabled and cannot be changed. Proper 
termination for these internal devices is provided by the built-
in terminator at the end of the 68-pin internal LVD SCSI cable.

■

Termination on Wide SCSI, Narrow SCSI, and Ultra SCSI 
devices usually is controlled by manually setting a jumper or a 
switch on the device, or by physically removing or installing 
one or more resistor modules on the device.

■

Termination on most external SCSI devices is controlled by 
installing or removing a SCSI terminator. However, termina-
tion on some external SCSI devices is enabled or disabled by 
setting a switch on the back of the SCSI device.

■

By default, termination on the Adaptec SCSI Card 39160 itself 
is set to Automatic (the preferred method). We recommend that 
you do not change this default setting.