🚀 go-pugleaf

In article <DoBKDz.8p7@mccc.edu>, Pete Holsberg <pjh@mccc.edu> wrote:
>
>>Several people have asked about the possibility of transporting the SCSI
>>ZIP drive to PC's having no SCSI host ... in particular whether there is a
>>way to use a parallel port adaptor.
>
>>The Adaptec [Trantor] MiniSCSI series won't work by themselves, since 
>>they draw power from the SCSI device and the ZIP drive does not 
>>provide TRMPWR.
>
>Isn't there a way to pick up +5V and connect it to the
>MiniSCSI?

Yes. The APS SCSI Sentry active terminator, with optional power supply,
will do this. But all this costs much more than a parallel port Zip drive.

>>It's pretty obvious that the PPA-3 requires 5 VDC, tip positive, at some
>>small current draw. However, looking inside it is apparent that there is
>>**NO** regulation or reverse polarity protection on this plug. So be very
>>careful what you connect, or you could easily fry the PPA-3 ... a cheap
>>unregulated wall wart would be asking for trouble.
>
>Isn't there +5V regulated at some connector on the back of a
>PC??

Inside...



-- 
Mike Schuster       |        schuster@panix.com | 70346.1745@CompuServe.COM
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