Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!elroy.jpl.nasa.gov!decwrl!ogicse!cvedc!mcspdx!adphdw20!dtb
From: dtb@adpplz.UUCP (Tom Beach)
Newsgroups: comp.periphs.scsi
Subject: Re: Archive 2150S Tape Drive
Summary: Dia and Pen are ...
Message-ID: <696@adphdw20.UUCP>
Date: 29 Apr 91 23:43:24 GMT
References: <1991Apr28.012314.20602@agate.berkeley.edu> <27566@hydra.gatech.EDU>
Distribution: usa
Organization: ADP Dealer Services R&D, Portland, OR
Lines: 25

> >	Looking at the back of the drive, circuit card down.

stuff deleted to make the newsposter happy!

> 
> Okay...the RxD/TxD jumper is really a little serial port used for
> factory testing.  Not useful for anything else.
> 
> I don't remember what DIA and PEN stand for, but on the known-working-
> under-SCO-Unix Archive 2060S I have here, neither is installed.
> 

DIA sets diagnostic mode. Again, not useful outside of the factory.

PEN is Parity Enable. Jumper in enables parity checking. Jumper out
disables parity checking.

Tom

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|  Tom Beach : Sr Project Engineer : Mass Storage Technology             |
|  phone : (503) 294-1541                                                |
|  email : uunet : dtb@adpplz.uucp                                       |
|  ADP Dealer Services, ADP Plaza, 2525 S.W. 1st Ave, Portland OR, 97201 |
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