HDTenEightyP/NetNews huggingface dataset:
From: mike@elec.canterbury.ac.nz (Cosmik Debris)
Subject: Second hand GX boards for sun
Keywords: GX,graphics adapter
Organization: Electrical Engineering, University of Canterbury, New Zealand
Date: Wed, 14 Oct 1992 20:12:03 GMT

Does anyone know of a supplier for second hand GX boards for Sparc IIs.
I have a couple I would like to convert to workstations.
-- 
*******************************************************************************
*  Mike Shurety                           mike@elec.canterbury.ac.nz          *
*  Computer Systems Manager               psi%(5301)30000034::elec097         *
*  Electrical & Electronic Engineering    FAX        : (64) (3) 642-761       *
*  University of Canterbury               Phone work : (64) (3) 642-295       *
*  New Zealand                            Phone home : (64) (3) 891-629       *
*                                                                             *
*                      "I owe money, therefore I am"                          *
*******************************************************************************
From: dwf@doug.Eng.Sun.COM (Douglas W. Forehand)
Newsgroups: comp.sys.sun.hardware
Subject: Re: SS10 Memory Config Question
Date: 12 Oct 92 19:51:52 GMT
Reply-To: dwf@doug.Eng.Sun.COM
Organization: Sun Microsystems
NNTP-Posting-Host: doug

In article SWT10@CCCVM.CCC.AMDAHL.COM, SWT10@CCCVM.CCC.AMDAHL.COM (Scott Tyree) writes:
>I have a question about valid  memory configurations for the SS10.  We
>currently have a SS10 on order with 32Mb of memory.  I'm assuming that
>this 32Mb is made up using two  16Mb SIMMs.  My question then is can I
>add  a 64Mb  SIMM, keeping  the existing  32Mb in  place, for  a total
>memory size of 96Mb?
> 


Yes.

-Doug
Newsgroups: comp.sys.sun.hardware,comp.periphs.scsi
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: isopropanol (was: Complete scoop on cleaning Exabytes)
Date: Fri, 16 Oct 1992 17:33:03 GMT
Organization: U of Toronto Zoology

In article <1992Oct15.214448.28508@serval.net.wsu.edu> hermens@wsuaix.csc.wsu.edu (Leonard Hermens -- EECS) writes:
>>What you want for cleaning tape heads (and the like) is fluid that will
>>leave no residue when it evaporates -- none, zero.  Rubbing alcohol, and
>>pharmaceutical alcohols in general, are *not* formulated for this.
>
>   Respectfully, this is not true. Methyl, ethyl, and isopropyl alcohols
>do not leave any residue when they evaporate...

That's quite correct, if what you have is 100.000% alcohol.  But that is
not what drugstores sell.  The problem is not the alcohol, but whatever
other odds and ends may be in there -- stuff that doesn't interfere with
the intended uses but may be trouble for uses the manufacturer didn't
expect.  The only way to get fluid that dependably has zero residue is to
buy fluid that is specifically made to have zero residue.

At the very least, try a test.  Get a small piece of glass -- a mirror
would do.  Clean the surface thoroughly.  Put a drop of fluid on it.
Wait for it to evaporate.  Put another drop in the same place.  Wait
for it to evaporate.  Repeat for a while.  Then inspect carefully.  Any
sort of deposit or mark where the drops were?  If so, the same thing is
happening on your tape/disk heads.

>I have been cleaning audio, video, and computer heads for 12 years quite
>sucessfully with 99% alcohol. 

I'm not disputing that you can usually get away with it.  That doesn't
necessarily mean it's a good idea in the long run.

Note also that the amount of residue can depend on who supplies the fluid
and what process they're using.  Quite possibly the stuff you're buying
really does have minimal residue.  That doesn't mean that all bottles
with the same label do.
-- 
MS-DOS is the OS/360 of the 1980s.      | Henry Spencer @ U of Toronto Zoology
              -Hal W. Hardenbergh (1985)|  henry@zoo.toronto.edu  utzoo!henry
Newsgroups: comp.sys.sun.hardware,comp.sys.sun.admin
From: derekt@pwcs.stpaul.gov (Derek Terveer)
Subject: Re: Switching a WangDAT 4 mm tape into "non-compressed" mode
Organization: City of St. Paul Public Works
X-Newsreader: Tin 1.1 PL5
Date: Tue, 13 Oct 1992 15:47:26 GMT

Chris Faylor (cgf@ednor.bbc.com) wrote:
: As you can see from above SCSI code 0x13 selects non-compression and
: 0x93 selects compression.  So, now I can access two tapes -- /dev/rst1
: (uncompressed) and /dev/rst9 (compressed).   Unfortunately, the drive
: refuses to write low density tapes if they are already formatted as
: high density and vice versa.  If the tape is brand new then it is
: formatted correctly.
: This is almost what I need, but I'd like to be able to switch back and
: forth between the two formats when I need to.  Does anyone have any
: experience with this?  Will I have to bulk erase the tapes to switch
: between compressed and uncompressed?

You *may* be able to write an EOF as the very first thing on the tape
and have the tape write in the selected density.  This is what we do to
write higher density tapes with 8mm drives when the tape has already
been written in low denisty.

derek
-- 
Derek Terveer   Work:	derek.terveer@stpaul.gov	+1 612 292 6009
		Play:	det@hawkmoon.mn.org	+1 612 683 0413
"Big business and big government distract us with entertainment;
 they manufacture our consent while we destroy the environment."
From: luigi@paris.CS.Berkeley.EDU (Luigi Semenzato)
Newsgroups: comp.sys.sun.hardware
Subject: 20 1Mb 80ns SIMMs at $20 each
Date: 14 Oct 1992 22:06:52 GMT
Organization: University of California, Berkeley
Distribution: world
NNTP-Posting-Host: paris.cs.berkeley.edu

Many thanks to those who helped.  I have concluded
that $20 is a reasonably low price for a 1Mb SIMM from a
Sparcstation IPC.  That will be my asking price.  I have 20 of
them.  Any takers?  If I don't get any offer, the asking price
will decrease 10% a week (I will repost).  Thanks  --Luigi
Xref: sparky comp.sys.sun.hardware:5014 comp.periphs.scsi:5021
From: hermens@wsuaix.csc.wsu.edu (Leonard Hermens -- EECS)
Newsgroups: comp.sys.sun.hardware,comp.periphs.scsi
Subject: Re: isopropanol (was: Complete scoop on cleaning Exabytes)
Date: 16 Oct 92 19:12:47 GMT
Article-I.D.: serval.1992Oct16.191247.13221
Organization: Washington State University

In article <1992Oct16.174640.15829@alw.nih.gov> jwa@yog-sothoth.dcrt.nih.gov (James W. Adams) writes:
>In article <1992Oct15.214448.28508@serval.net.wsu.edu> hermens@wsuaix.csc.wsu.edu (Leonard Hermens -- EECS) writes:
>>In article <Bw4rn4.L9K@zoo.toronto.edu> henry@zoo.toronto.edu (Henry Spencer) writes:
>>>DON'T BUY YOUR CLEANING FLUIDS AT A PHARMACY.
>Sorry, but I have to second Henry's statement.  It's not the 99% alcohol
>that is the problem (though you should check with the manufacturer to be
>sure that alcohol has no adverse solvent action on the items to be
>cleaned - the solvent properties of alcohol and Freon TF are quite
>different).  The problem lies in defining what is the other 1%.

   As one of the original posters of this alcohol thread, I agree.
However, the panic over what is in the 1% appears to be somewhat exaggerated
in the context of cleaning metal or glass coated computer device heads.

   My father, a PhD chemist [computer nerds shouldn't have to know this stuff,
right? :-)], suggests that those who would like to have extreme confidence
in their cleaning solutions, should use ONLY those solvents that have been
assayed and labeled as such.

   Most manufacturers of tape drive cleaning kits and the like do not do this.
The reason is that it is more expensive and unnecessarily stringent when
doing routine cleaning of electronic parts. 

   By the way, there is no such thing as 100 alcohol. The instant the
vat, jar, or bottle is opened, the % goes down. (I'm sure Harry and James
are well aware of this trivial point. This is for others who might care.)

   I realize this is is getting off of the original subject, so I'll shutup 
now and go back to cleaning things with my cheap but effective, store-bought,
99%, non-assayed alcohol.  :-) 

Leonard
From: caywood@teb.larc.nasa.gov (John Caywood)
Newsgroups: comp.sys.sun.hardware
Subject: Re: Reading Mac formatted floppies from Sparc2 floppy drive?
Date: 15 Oct 1992 17:28:36 GMT
Organization: NASA Langley Research Center, Hampton, VA  USA
Distribution: world
NNTP-Posting-Host: teb.larc.nasa.gov

In article <BEAUDOIN.92Oct13105356@seguin.ireq-robot.hydro.qc.ca>, beaudoin@ireq-robot.hydro.qc.ca (Martin Beaudoin) writes:
|> Is it possible to read Mac formatted floppies from Sparc2 3.5" floppy
|> drive? Since it is possible to do so with MSDOS formatted floppies, I
|> am hopping that the same functionnality is available for Mac floppies.
|> 
|> Any pointers?
|> 
|> Thank you!
Common_Link software from Pacific Micro (201 San Antonio Circle, Suite C250,
Mountain View  CA 94040, 415-948-6200) enables a SparcStation to read and
write both Mac and DOS formats -- tho only the HD, 1.4Mbyte variety.

|> 
|> --
|> Martin Beaudoin                         mbeaudoin@ireq-robot.hydro.qc.ca
|> Institut de recherche d'Hydro-Quebec    mbeaudoin@ireq-robot.uucp
|> Varennes, QC, Canada   J3X 1S1          +1 514 652-8136

-- 
The opinions expressed herein are my own, and do not necessarily express
those of my employer.
   John Caywood, System Administrator and Computer Janitor
   UNISYS Corp., under contract to Technical Editing Branch,
   NASA Langley Research Center
From: at018@cleveland.Freenet.Edu (Dale Houston)
Newsgroups: comp.sys.sun.hardware
Subject: what kind of keyboard?
Date: 15 Oct 1992 19:17:21 GMT
Organization: Case Western Reserve University, Cleveland, Ohio (USA)
NNTP-Posting-Host: hela.ins.cwru.edu


Is there a software way to tell what kind of keyboard is attached to your 
workstation? We have some users with Type-4 and others with Type-5 keyboards,
and I want to remap their respective keypads so they can use our VAX and EDT.
The mappings are different and I'd like to be able (in say, .xinitrc) to
redefine each keyboard. Can I do this?


dale
dhouston@bio.ri.ccf.org
-- 
dale houston
the cleveland clinic foundation
all opinions are mine (natch!)
dhouston@bio.ri.ccf.org
From: leo@krabat.marco.de (Matthias Pfaller)
Newsgroups: comp.sys.sun.hardware
Subject: CoALM S8 and driver 2.2.2
Keywords: Can't send break, can't receive NUL
Date: 15 Oct 92 10:30:26 GMT
Organization: marco GmbH, D-8047 Karlsfeld

We have put a CoALM S8 into our Hyundai Sparc2. We have the following
problems with the card:

(a) We are not able to send a break over lines connected to the CoALM
(b) The CoALM seems to throw away NUL characters.
Both problems do not happen with tty{a,b}.
Has anybody the same problems and eventually a solution?

	Matthias Pfaller (leo @ marco.de)
Newsgroups: comp.sys.sun.hardware
From: gregh@cc.gatech.edu (Greg J. Hankins)
Subject: Memory on a SPARC1?
Reply-To: gregh@cc.gatech.edu (Greg J. Hankins)
Organization: Ministry of Silly Walks
Date: Fri, 16 Oct 1992 20:12:09 GMT

Hi,
we have a SPARC1 we wish to upgrade from 8MB to 32 MB.

It has 8 1MB SIMMs in it right now, and we want to add 6 4MB SIMMs for
32MB total.

It is currently configured like this:

 		0	1MB
 		0	1MB
 		0	1MB
 		0	1MB
		0 	1MB
		0 	1MB
		0 	1MB
		0 	1MB

Can we mix and match 1MB and 4MB SIMMs?  We don't have a SPARC1 FM anymore,
so any help at all is appreciated!  If we can, which slots do the 4MB SIMMs
need to go in?

Thanks in advance,
Greg

------------------------------------------------------------------------------
Greg Hankins  |  Georgia Tech CoC System Support | email: gregh@cc.gatech.edu
From: limes@ouroborous.eng.sun.com (Greg Limes)
Newsgroups: comp.sys.sun.hardware
Subject: Re: CD -> Speakerbox
Date: 14 Oct 92 13:49:40
Organization: Sun Microsystems Computer Corporation
NNTP-Posting-Host: ouroborous
In-reply-to: Kall@Mayo.EDU's message of 13 Oct 92 18:00:06 GMT


Disclaimer: I know enough about audio to get in trouble. Frankly, I have
no idea whether eventually my CD-ROM and/or Speakerbox are going to
fry themselves into oblivion. However ...

In article <1992Oct13.180006.6813@bmw.mayo.edu> Kall@Mayo.EDU writes:
|   Has anyone connected the headphone output of the Sun CD to a Sun
|   Speakerbox?  It seems fairly obvious that what I've tried should
|   work, but nothing happens.

|   I connected a 1/8" stereo miniplug audio cable (from RadioShack)
|   from the headphone output of the CD into the audio input on the
|   back of the speakerbox.  I then play a CD and nothing comes out of
|   the speakerbox. I can play sun SOUNDS through the speakerbox
|   and can hear CDs through the headphone output of the CD with
|   a headset.

You need to do several things. First, set the record source to "line
in", and turn up the "monitor" volume. You should get audio out. I've
been using this on an SS-10, and it appears that the audio is actually
getting digitized, then re-created; in other words, using the 8khz
8bit ulaw, it sounds about like a cheap AM radio. Fortunately, the SS10
has the ability to do stereo 16bit 48khz sampling ... but you might
want to invest in some powered speakers (or headphones) instead.

Newsgroups: comp.sys.sun.hardware,comp.periphs.scsi
From: clemens@faui8a.informatik.uni-erlangen.de (Clemens Beckstein)
Subject: Re: Complete scoop on cleaning Exabytes (Re: cleaning fluid for Exabytes)
Organization: Regionales Rechenzentrum Erlangen
Date: Wed, 14 Oct 1992 08:52:37 GMT

pww@bnr.ca (Peter Whittaker) writes:

>Summary:  use cleaning kits every week or two, and have an internal
>cleaning performed every year.  Use certified cleaning kits, good tapes
>(either DATA certified, or quality P6-120MP video tapes, i.e. SONY),
>keep your drives off the floor, away from dusty rooms, etc.

Does this hint also apply to non 8mm cartridge Streamers with 
capacities like 150MB or 250MB (Tandberg, Wangtek, Archive etc.)?

- Clemens
Newsgroups: comp.sys.sun.hardware
From: davee@mitre.org (David N. Edwards)
Subject: 8mm Questions
Originator: davee@lightning
Organization: Mitre Corporation, McLean, VA
Distribution: usa
Date: Fri, 9 Oct 1992 13:31:46 GMT

Greetings!

     We have a 4/490 which was delivered with an Exabyte 8200 drive.  We
recently had to replace the drive.  It was about 2 years old, and saw about
10GB of use per week.

     I was wondering what sort of lifespan others have seen with this type
of drive?

     Also, our older tapes average about 50-60% write retries.  I know there
was a problem with the SCSI driver under 4.1 PSR_A, but what should one
consider a "normal" rate of write (or read) retries?  

     Please e-mail; I'll summarize if folks are interested.  Thanks in
advance!
-- 
*******************************************************************************
*  Dave Edwards           The MITRE Corp.         Internet: davee@mitre.org   *
*******************************************************************************
From: benedict@chaos.utexas.edu (Thomas Benedict)
Newsgroups: comp.sys.sun.hardware
Subject: SBUS A/D Board wanted
Date: 13 Oct 92 19:54:11 GMT
Distribution: comp.sys.sun
Organization: Center for Nonlinear Dynamics, University of Texas at Austin

We're in need of an A/D board for a SPARC 2.  If you know of any
manufacturers of A/D boards for SPARCs, please mail me.

Preferably we'd like 12 bits or better (16 or 24 would be very nice).
Also, we'll need it to be fairly speedy.  We're reading data off of a
CCD array, and we're scanning it pretty quickly, so the quicker, the
better.  (I don't have the speed specs handy right now.)

Thanks a bunch.

Tom Benedict
benedict@chaos.utexas.edu
University of Texas at Austin
Newsgroups: comp.sys.sun.hardware
Subject: Two Monitors on a Sparc ... how?
From: perkins@arc.ab.ca (Ernie Perkins)
Date: 9 Oct 92 11:29:41 MDT
Reply-To: perkins@arc.ab.ca
Distribution: world
Organization: Alberta Research Council
Keywords: Dual Monitors on Sparc

I would like to run two monitors (one color, one BW) on a sparc using openwindows 3.0, 
with the ability to switch input/keyboard focus from windows on one monitor to
windows on another.  

Can anyone send me any pointers (both hard- and software) on how to do this.

Thanks in advance,

Ernie Perkins   perkins@arc.ab.ca


Newsgroups: comp.sys.sun.hardware
From: sjr@afterlife.ncsc.mil (Stephen J. Roznowski)
Subject: Re: Adding memory to a Sun 4/110
Organization: The Great Beyond
Date: Thu, 8 Oct 1992 01:31:12 GMT

In article <1992Oct7.210232.2500@mintaka.lcs.mit.edu> kenmac@cag.lcs.mit.edu writes:
>Howdy,
>  I'm having some trouble adding memory to a Sun 4/110. If you've done
>this before can you tell me if there's a simple answer?
>
>  We have a Sun 4/110 configured with 16MB of memory i.e., 16 of the
>32 slots contain 1MB SIMMs. We recently freed an extra 4 identical
>SIMMs as a consequence of upgrading another machine and I'd like to
>use these SIMMs as additional memory for the 4/110, if possible.
>Unfortunately, we don't seem to have kept any sort of documentation on
>this box and the first couple of guesses at how to install the SIMMs
>haven't worked.

Well, I just got done doing this....

Sun-4/110 can have the following memory configurations: 8M, 16M, 20M, 32M.

Each bank must be (completely) filled with SIMMs, either 256k or 1M.

There are four sets of jumpers that need to be moved:

	1) The two right next to the memory (i.e. the labeled ones)
	2) J100 (?) [With the board turned so that the memory is on the
	   upper right hand side, it is located at the top center of
	   the board]
	3) J300 (?) [Board in same position, located in the center of
	   the lower right quadrant of the board]

The short answer is that you cannot add just the four extra SIMMs.

-- 
Stephen J. Roznowski	(sjr@afterlife.ncsc.mil)
From: rshaw@cats.ucsc.edu (Rob Shaw)
Newsgroups: comp.sys.sun.hardware
Subject: problem installing FPA in Sun 3/260, 'broken pipe'
Date: 9 Oct 1992 18:38:06 GMT
Organization: University of California; Santa Cruz
Distribution: world
NNTP-Posting-Host: sasha.ucsc.edu


I'm attempting to install a used FPA, probably from a
Sun 3/160 into a Sun 3/260.  Microcode seems to load
ok, but the unit multiplies incorrectly, and fparel
reports a 'broken pipe', and posts 'bus error' in 
/usr/adm/diaglog.  Also the fpaversion "pipe sequencing'
test fails.  I got another FPA board from the person who
supplied the first, but the problem persisted.  We suspect
some sort of jumpering or other difference between 160's
and 260's, but have no documentation specifically on installing
FPU 501 1105 on a 260.  Any suggestions greatly appreciated!

	Rob Shaw
	rshaw@cats.ucsc.edu
From: guy@Auspex.COM (Guy Harris)
Newsgroups: comp.sys.sun.hardware
Subject: Re: Serial ports and hardware flow control on SPARCstations
Date: 12 Oct 92 05:42:31 GMT
Organization: Auspex Systems, Santa Clara

>I had the same problem ... it seems that when hw flow control is
>turned on, the driver gets fussy about requiring the DCD line from
>the modem to be asserted as if a call had arrived.

No, it's not the driver.

It's the *hardware*.

"Hardware" as in "*hardware* flow control".

"*Hardware* flow control", as in "flow control done by the *hardware*",
not as in "flow control done by the SOFTware, but using modem-control
lines rather than ^S/^Q" (it's *awfully* silly to call the latter
"hardware flow control - it involves just as much *hardware*, on the
host side, as does old-fashioned ^S/^Q flow control).

The CPU serial port chip hardware, if you put it in a mode where it
stops transmitting when CTS drops, also shuts off the receiver when DCD
drops.  I think it's there to support some DTE/DCE protocol for
half-duplex lines, although it's also convenient for allowing some DTE
on the other end of the wire to control the flow of data out of the
host; CRTSCTS was put in to support the latter (e.g., talking to
printers).

At some point, SunOS will probably support bi-directional RTS/CTS
*software* flow control on the CPU serial ports; presumably, it'll be
controlled with a "termiox" "ioctl".  Dunno when that'll be, though. 
(It'll *never* provide bi-directional RTS/CTS *hardware* flow control on
the CPU serial ports of current machines; the *hardware* is incapable of
automatically dropping RTS.  Maybe some future Sun will have serial port
chips that do that, but I wouldn't bet the rent money on it.)
From: davidc@panix.com (David B. Chorlian)
Newsgroups: comp.sys.sun.hardware
Subject: Re: Can I use a Multi-Sync monitor on a Sun (1152x900)
Date: 13 Oct 92 00:32:17 GMT
Organization: PANIX Public Access Unix, NYC

On my first attempt, the colors on the NEC 5FG looked washed out compared
to the Sony 16" which came a number of years ago. In few moments of
playing with the adjustment buttons I was not able to fix the problem.  As
connecting to the Sun was not the reason for buying the NEC, I never
tried again to get the deep colors I get on the Sony.


David B. Chorlian
Neurodynamics Lab
SUNY/HSCB 
davidc@panix.com

-- 
David B. Chorlian
Neurodynamics Lab
SUNY/HSCB 
davidc@panix.com
Newsgroups: comp.sys.sun.hardware
From: wargopl@sun.soe.clarkson.edu (Peter L. Wargo)
Subject: Re: SCSI or VME?? Anyone ever use a V/SCSI-2 4220 Cougar?
Organization: Clarkson University
Date: Fri, 9 Oct 1992 19:05:07 GMT

stz@phoenix.Princeton.EDU (Stephen Zehl) writes:


>	Has anyone purchased and used an Interphase V/SCSI-2 4220SN-S
>Cougar board for a Sun 4/490 system?

See the latest (October 1992) issue of SunWorld magazine.  They reviewed
the 4210 (which the 4220 replaces) and found it to be lacking.  They
also had some problems with getting useful help from Interphase.

The article is by Curt Freeland, and appears on p.86-87.

-Pete

(I had a synopsis of the article finished, and the network crashed...)
--
Peter L. Wargo - Documentation, Enable Software, Inc.
wargopl@sun.soe.clarkson.edu / GEnie: PSYCLOPS / AT&T 518-877-8600, x528
*******Enable supplies the paycheck, but I supply the opinions*******
------->"RTFM?? First we have to finish writing it!"<-------
From: patrick@fs2.mcc.ac.uk (Patrick Myers)
Newsgroups: comp.sys.sun.hardware
Subject: Lonely Sun Monitor would like to meet PC
Date: 15 Oct 92 14:41:57 GMT
Organization: Network Unit, MCC, Manchester, England.

Once upon a time I had a Sun IPX with 17" color monitor. However in the dead
of night a thief came and removed the base station leaving the monitor. 

My question is:

Can the monitor be connected to a PC with VGA card, or is there a high res 
card that I can put in a pc that will drive the monitor.

Pat Myers
Manchester Computing Centre
University of Manchester
England
Newsgroups: comp.sys.sun.hardware
From: tagoldth@tagsun.med.utoronto.ca (Thomas A. Goldthorpe)
Subject: Sun Part Numbers (anyone have a list?)
Organization: University of Toronto
Date: Thu, 8 Oct 1992 22:13:32 GMT

I have a small collection of sun boards and other items that I wish to
identify (I have a good idea of some, since CPU's are able to be
powered up, etc), but would like to know if a list (as an ascii file)
is available to look up sun part# info.

Please mail me if you have (or know of) this info.

Tom

Xref: sparky comp.sys.sun.hardware:4965 comp.periphs.scsi:4981
From: hermens@wsuaix.csc.wsu.edu (Leonard Hermens -- EECS)
Newsgroups: comp.sys.sun.hardware,comp.periphs.scsi
Subject: Re: isopropanol (was: Complete scoop on cleaning Exabytes)
Date: 14 Oct 92 18:46:55 GMT
Article-I.D.: serval.1992Oct14.184655.8218
Organization: Washington State University

In article <1992Oct14.162858.1325@bcars6a8.bnr.ca> pww@bnr.ca (Peter Whittaker) writes:
>In article <1992Oct13.140732.27108@bcars6a8.bnr.ca> pww@bnr.ca (Peter Whittaker) writes:
>>Complete scoop:  proper maintenance of Exabyte drives requires regular
>>use of Exabyte cleaning kits and periodic "internal cleaning" using a
>>chemical solution.
>
>The noxious gunk is "Cypher" (trade name); it contains CFCs.  BNR/NT
>corporate policy forbids the use of CFCs, so we use isopropanol, which
>seems to work fine.

Unsolicited addition:

   Isopropol alcohol works best if is 99% alcohol.  The 70%
   rubbing alcohol has too much water and doesn't dry rapidly.
   Most pharmacies have 99% in bulk.

Leonard