On 12 Oct 99, at 16:21, Daniel Danellis Ellis wrote:

> Ok, I have an adaptec 1505 scsi card in my machine and it has a
> jazz and zip attached to it.  Right now, the 1505 and the zip are
> terminated.  I want to add an external HD off my card for backup
> purposes.  I know I need to remove the termination from the 1505
> and add a termination resistor to the external harddrive.
>
> My question is, does it matter if the external drive is on or off?
>  I guess I don't need to always have it turned on all the time,
> except when I do a back up.  So if it sits there terminated, but
> with out power, will all be ok?  The terminator is a passive
> resistor plug.

  The termination is applied to the *bus*; mounting it on the drive
casing is just a convenience.  The bus will be terminated regardless
of whether the drive is powered on or not.

David G

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