Keith A. Wiley wrote:
>  > Keep in mind the 15150N is a half-height drive. I owned one of these for
> 
>>my 7300 and while it was faster than greased lightning it overheated and
>>died in under two months. It needs ventilation on a terrifying scale.
> 
> 
> I was wondering if anyone else has had bad experiences with this drive. I've
> had one in my 7500 (180 mhz) for about a year with no problems, and I've
> been considering picking up another for one of my other machines.
> 
> My other question is about properly terminating the thing. The diagram has
> six options and I'm never sure which one to use:
> -Terminate power from drive
> -Terminate power from SCSI bus
> -Terminate power to SCSI bus
> -Terminate power to SCSI bus and drive
> -Enable drive terminator
> -Disable drive terminator (obviously not this one)
> 
> What's the difference between "termination from" and "termination to"?
> Aren't the CD-ROM drives on the PowerMacs terminated as well?

This is for more advanced termination issues, if terminated, terminate 
power from drive should work. These settings determine where the 5V 
(iirc) required for active termination comes from. You do want to avoid 
term power to the bus, in general. In general, the CD does have 
termination on, so you shouldn't need to terminate additional internal 
drives.


> Damn, SCSI can be such a pain at times.

Only if you miss the little scsi doll and stick a pin in your finger ;-P

> -Keith Wiley
> 
> 


-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs




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