HDTenEightyP/NetNews huggingface dataset:
From: linstee@dutecaj.et.tudelft.nl (Erik van Linstee)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Monitor died. Any experienced repairmen around?
Date: 21 Dec 92 11:56:19 GMT
Organization: Delft University of Technology, Dept. of Electrical Engineering

Hi,

a little while ago my svga color monitor died. I am going to repair
it when I find the time, but I thought I'd see if there's anyone
how can give me some pointers in order to reduce the repair time.
First, I would like to say that, although I have no experience
repairing tv's or monitors, I do know how they operate. I have
a degree in computer technology and therefore the knowledge about
electronics that comes with that, so be as technical as you like :-)

I'll first state the symptoms and then the possible event(s) leading
to it.

Basically, it doesn't produce a picture. When it is turned on
the led comes up only very weekly. It fluctuates rythmically,
accompanied by a faint clicking sound from somewhere inside
the monitor. Also, the tube doesn't seem to heat up. From this
I would say either the tube is gone or the high voltage power
supply doesn't function. Eitherway, the low voltage power supply
doesn't seem to be able to sustain the normal level, leading me
to believe there is a power drain somewhere, most likely in
the high voltage circuits.
I can reach any part of the power supply currently so I have no
means of detecting where it fails. The fuse is still Ok.

Before all this we had a rather sever electrical storm, whereby
a nearby building was hit. As a result my total system came down,
first leading me to believe it was damaged. However, after having
gone downstairs to check on other equipment, I found I could
switch it on again without any problem. Later though, I found
my screen to flicker once in a while, especially under certain
weather conditions (warm, cloudy, possibly leading to a thunder
storm). The flickering was like when it looses power for just
a thenth of a second. Not enough to blank the screen, but enough
to notice, almost like when switching from text to graphics or
back.
I would say some component got hit hard enough to make it unstable
close to burning, which it finally did.

What I would like to know is, if the tube is gone, how can this be
detected without proper equipment? It doesn't look damaged.
In order to really get close to the circuit board I would have
to disconnect the cable leading from the trafo like element to
the tube, connected to the side of the tube with a circular
piece of rubber. Can this be disconnected without consequences?
And  last but not least. Does anyone have a ready made solution
as to which components are gone and should be replaced :-)

The monitor in question is a Datamax DM-7 svga color monitor.
If you happen to have a circuit layout of this I'd be even
more obliged.

Thanks for your time,
seasons greetings
Erik
Newsgroups: comp.sys.ibm.pc.hardware
From: wijkstra@fwi.uva.nl (Marcel Wijkstra (AIO))
Subject: which monitor for PC 10-III ?
Organization: FWI, University of Amsterdam
Date: Tue, 22 Dec 1992 11:22:12 GMT

Hi,

I just got a Commodore PC 10-III for free, but it's just the box: no
keyboard, no monitor, no cables, no manuals (but, as I mentioned, for free).

Since I already own a 386, I don't really need the XT, but I'd like to know
whether it is still ok. I think my keyboard (BTC) should fit, since it has
an ordinary 5-pin DIN plug (although I realize that matching connectors
don't mean that much). However, I do not know what monitor I should use
with it.

I have a Packard Bell SVGA (1024x768 interlaced) colour monitor, with a
3-row 15-pin connector. Furthermore, I have a cheap colour TV that has a
'video' cinch-connector. I have used this connector with my old MSX2
homecomputer, and that worked fine.
The same cinch-connector is on the back of the XT, labeled 'composite
video'. Furthermore, it has a 2-row 9-pin female connector labeled 'RGBI'.

My questions are:
(a) can I use my TV to display the composite video signal?
(b) if I try (a), do I have a chance of damaging up either my TV or
    the XT (if the composite video signal is not suitable for my TV...)
(c) can I use my SVGA monitor to display the RGBI signal?
(d) if (c), which pins of the 9-pin RGBI output need to be connected to
    which pins of the 15-pin SVGA connector?
(e) are there any chances my BTC keyboard will NOT be suitable for the XT?

Thank you for reading, and thanks in advance for answering,
Marcel
-- 
 X	   Marcel Wijkstra   AIO   (wijkstra@fwi.uva.nl)
|X|	     Faculty of Mathematics and Computer Science	
 X	       University of Amsterdam   The Netherlands
======Life stinks. Fortunately, I've got a cold.========
Newsgroups: comp.sys.ibm.pc.hardware
From: bbs.haymore@tsoft.net (Ed Haymore)
Subject: Re: The maxtor 213 meg drive is NOT 213 megs!
Organization: The TSoft BBS and Public Access Unix, +1 415 969 8238
Date: Thu, 24 Dec 1992 07:59:02 GMT

sct@beta.lanl.gov (Stephen Tenbrink) writes:

> I believe that disk manufacters do list the "unformatted" capacity of their
> drives.  I'm not exactly sure how they come up with the value but it is
> always a larger value than the formatted value and marketeers being what
> they are will always give you the biggest number they can, even if it is
> bogus.

It probably is the "unformatted" capacity.  Don't forget that (especially 
on the floppy disks) there's a fair amount of overhead for each sector of 
actual data -- sector headers, gaps to allow time for the drive head to 
shift into write mode after reading the sector ID, and (on floppies at 
least) bytes to allow the PLL oscillator to sync up as well as long gaps 
to allow for differences in drive speed.

Don't know why there's such a large difference with the larger drives -- 
I know just enough to be dangerous.

-- Ed
bbs.haymore@tsoft.net

--
Ed Haymore (bbs.haymore@tsoft.net)
Newsgroups: comp.sys.ibm.pc.hardware,comp.sys.mac.hardware
From: ntaib@silver.ucs.indiana.edu (Iskandar Taib)
Subject: Re: Poor Technical Support
Organization: Indiana University
Distribution: na
Date: Mon, 21 Dec 1992 15:59:38 GMT

In article <kfA0d8K00WB2QKTI4i@andrew.cmu.edu> Faisal Nameer Jawdat <fj05+@andrew.cmu.edu> writes:

>Are they running the mud on the macs, or are they using the mac to
>connect to the mud?  If they're using the mac to connect to the mud,
>there probably isn't a damn thing they can do to keep people from
>connecting to the mac from the mud without removing the communications
>on the systems.

They use Mac Telnet to connect to a port on the mud host. We kick them 
-- 
-------------------------------------------------------------------------------
Iskandar Taib                          | The only thing worse than Peach ala
Internet: NTAIB@SILVER.UCS.INDIANA.EDU |    Frog is Frog ala Peach
Bitnet:   NTAIB@IUBACS                 !
Newsgroups: comp.sys.ibm.pc.hardware,comp.sys.ibm.pc.misc
From: lawriel@osiris.cso.uiuc.edu (Linda Lawrie)
Subject: Backup Tape Units
Organization: US Army Corps of Engineers
Date: Wed, 30 Dec 1992 19:57:05 GMT


Does anyone have any experience with either the Colorado Memory
Systems Trakker or the Microsolutions Backpack drives?

These are basically geared to portable/notebook systems being driven
from the parallel port.  

If you have experience, are these a lot slower than normal
tape backup units?

Thanks for any information.  Either post here or email.

-- 
     Linda Lawrie
     lawriel@osiris.cso.uiuc.edu
From: michael@Canada.lsil.com (Michael Smith)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: The Death of x86 Arch. ?
Date: Tue, 22 Dec 1992 16:03:21 GMT
Reply-To: michael@Canada.lsil.com
Organization: LSI Logic Corporation of Canada, Inc.

In article 6qp@usenet.ucs.indiana.edu, ntaib@silver.ucs.indiana.edu (Iskandar Taib) writes:
>If I get you right, users won't need to recompile their
>apps when running on different platforms. So I can use the 
>same set of disks to install Excel 5 or WinWord 3 on an SGI
>machine, an Alpha _or_ a 486 DX4/200 or Pentium machine?
>
>Can't do this with Unix I don't think.... I hate to think of 
>having to shrinkwrap source code and makefiles.....

Nope, sorry, Windows NT will be *SOURCE LEVEL* compatible, not binary compatible.
In other words, each platform will have libraries with the same functionality,
so an application developer will always have the same functionality available.
Thus, it will be necessary to recompile for each platform, but the application
writer only has to create a single set of source code files.

As for Unix, a great deal of software is shipped as source code plus a Makefile,
all of the GNU stuff comes to mind.

---
     Michael Smith - Chipset Design Engineer

Phone: (416) 620-7400         michael@canada.lsil.com
Fax:   (416) 694-5005

    _/     _/_/   _/_/_/   _/                   _/
   _/    _/        _/     _/ 
  _/      _/_/    _/     _/     _/_/_/ _/_/_/ _/ _/_/_/
 _/         _/   _/     _/     _/  _/ _/  _/ _/ _/
_/_/_/ _/_/_/ _/_/_/   _/_/_/ _/_/_/ _/_/_/ _/ _/_/_/
                                        _/   LSI Logic Corp. of Canada, Inc.
                                   _/_/_/   Suite 1110, 401 The West Mall
                                           Etobicoke, Ontario
                                          M9C 5J5
From: kls@icf.hrb.com (Kenneth Slater)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Hard Disk Install Problem
Date: 23 Dec 92 17:34:36 GMT
Organization: HRB Systems, Inc.

I am trying to install a second drive (Western Digital Caviar 2200). 
I first tried installing the drive standalone.  I went into setup (Quadtel
BIOS) and set the number of heads to 12 and the number of cylinders to 989.
When I went into the format option of setup, the number of cylinders was
listed as one (cylinders were 989). I then aborted the formatting. Is there 
a way around this problem?
-- 

Kenneth L. Slater,    HRB Systems, Inc.    814/238-4311     kls@icf.hrb.com
Newsgroups: comp.sys.ibm.pc.hardware
From: rsrodger@wam.umd.edu (Yamanari)
Subject: Re: Gateway's 15 inch monitor included with 66-DX2 system
Organization: University of Maryland, College Park
Date: Sat, 26 Dec 1992 15:35:06 GMT

In article <18906@mindlink.bc.ca> Richard_Robb@mindlink.bc.ca (Richard Robb) writes:
>With all the talk about Gateway's 66 MHz DX2 system that has been on this
>net, I am surprised that no one has commented on the quality of the 15 inch
>monitor that is bundled with it.


	Mostly because it's not worth commending.  While the picture
	quality is pretty good, it is a lot less sharp than my Nec 
	3d, and makes an audible clicking sound when switching resolutions.
	My own Sampo Alphascan 15 supports as high if not higher scan rates 
	and has a sharper picture (I got it cheap, too) and flatter screen.

	Not that it's a bad monitor.  As monitors go, it's better than
	the 3 models from AAMAZING (utter garbage, IMHO), but it's not
	as good as it gets--at 1024x768 it looks decidedly mushy next to
	the newer Nec, Sony and Viewsonic monitors.

	It's a pretty good monitor for the cost--certainly you can;t do
	*worse* than those nasty el-budgeto 14"ers that Gateway ships
	otherwise.  

	
>Could somebody please tell me whether the monitor is worth having?  And is
>the viewing area truly 15" diagonal?  Thanks in advance.


	Depends on how you set the V/H width, but I imagine it *could* be
	15 inches, but since it's not really a flat screen you get a bit of
	pincushioning (sp) that kid of spoils that.  (More, in fact, than on
	my non-flat Nec 3d..)

	Now, if you want a really sexy monitor, I understand that Compaq is
	making larger and higher-res versions of Zeniths flat tension mask
	monitor--so flat that it looks *concave*.  gorgeous.

	But it'll cost.  You get what you pay for--any monitor under about
	$450 retail is probably not very good.  

-- 
       "If you can't eat sand, why the hell are you living in a desert?"

     Equality is a delusion, suffering is a fairy tale and God is a fantasy.
       Blaming society for inequality is like blaming the sky for rain.
From: markw@hpcss01.cup.hp.com (Mark Williams)
Date: Mon, 21 Dec 1992 18:25:00 GMT
Subject: Re: MFM controller with 25 sectors/track
Organization: Hewlett Packard, Cupertino
Newsgroups: comp.sys.ibm.pc.hardware

You have an RLL, not MFM, drive.  You need an RLL controller with the
same track format as the Victor.  It is extremely unlikely you will find one.

Buy a new RLL controller and do a hard format (WD or Adaptec).  You will 
lose all data on the drive, but have the raw storage available.  

I have had really bad experience with RLL, because the format is more demanding
of the media and defects which were insignificant with MFM become hard errors.
I would strongly recommend doing a media scan using one of the disk
management utilities to find any defects not in the defect map for the drive.
Run it for several days to be sure.
From: a10@server.uwindsor.ca (FUERST.D                 )
Newsgroups: comp.sys.ibm.pc.hardware
Subject: graphics goggles?
Date: 4 Jan 1993 03:47:18 GMT

I'm a clinical neuropsychologist, and part of the work that I do is intra-
operative cortical mapping.  That's where a patient undergoing brain surgery
(e.g., for resection of a seizure focus or a tumor) is given a local instead
of a general, and is kept awake during the procedure.  Prior to removal of 
tissue, the surgeon stimulates regions of the cortex (creating a temporary 
"lesion") while I test various cognitive and neurological functions.  One of
the most important functions that we test is language, and one of the most
sensitive tests of language (at least in terms of post-operative deficits) is
naming.

Unfortunately, we've been unable to test naming in our patients because some
of the equipment used during the surgery (specifically, the sterotaxic ring) 
blocks the patient's eyes.  What were looking for is some sort of goggle that's
relatively thin (1-2") that would allow us to directly or indirectly present a
visual stimulus to the patient.  Something that could be driven from a PC would
be especially nice.  We've already got a PC in the operating room (plus a Sun
workstation that I'm not so familiar with).

Has anyone ever heard of, or seen, or used anything that might be of use? 
If you have, please respond via email, since I don't get on this list on a
regular basis.

                                    Darren Fuerst
Newsgroups: comp.sys.ibm.pc.hardware
From: keiths@cae.wisc.edu (Keith Scidmore)
Subject: Memory performance experiment.
Organization: College of Engineering, Univ. of Wisconsin--Madison
Date: 25 Dec 92 08:42:49 CST

As an experiment I'd like to ask those of you with 486 66DX2 machines
to mail me one or all of the following test program results.  

+ Quarterdeck Manifest (all of the info)
+ Core disk benchmark
+ Checkit benchmarks

Identify 

1. the make and model of your machine (or the motherboard for home brew)
2. the controller type make and model
3. the hard drive(s) type make and model

Manifest will tell me the rest of what I need to know.

I will collate the statistics try to identify any consistant patterns
and the flaws of using these benchmarks. I'll mail the results to all
participants. I will also post a summary and analysis of the findings.

Keith R. Scidmore
Computer Engineer
University of Wisconsin

keiths@cae.wisc.edu



Newsgroups: comp.sys.ibm.pc.hardware
From: jre@zeos.com (Jim Erickson)
Subject: Re: AIM motherboad experience?
Organization: Zeos International, Ltd
Date: Wed, 23 Dec 1992 16:52:02 GMT

In article <1h5anhINNfee@usenet.INS.CWRU.Edu> thw@po.CWRU.Edu (Tang H. Wong) writes:
>
>Hi:
>
>I am considering buying a upgradable AIM motherboard. I am wondering
>has anyone bought from them before and what waws the experience.
>Thanks in advance.
>
>Tang

   I purchased a motherboard (486-33) from them a few months ago to repair an
old system I had lying around. The people I talked to seemed knowledgable
enough. I got what I asked for, it arrived when promised, and seemed to be a
pretty good board. FYI: it was a standard ISA board w/CONTAQ chipset and AMI
BIOS. Not the best board I have ever seen but solid and I have not had any
problems with it. I liked the fact that they did not have any restocking fees
etc. for returns.

---JRE---

-- 
Jim Erickson             ZZZZ EEEE  OO   SSSS   ZEOS International, Ltd.  
support@zeos.com   INET     Z E    O  O S       Technical Support Dept.
uunet!zeos!support UUCP    Z  EE   O  O  SSS    1301 Industrial Blvd. N.E.
Any opinions expressed    Z   E    O  O     S   Minneapolis, MN 55413
Newsgroups: comp.sys.ibm.pc.hardware
From: ntaib@silver.ucs.indiana.edu (Iskandar Taib)
Subject: Re: Why hasn't IBM run away with the 486?
Organization: Indiana University
Date: Mon, 21 Dec 1992 17:34:28 GMT

In article <ByuI7B.6E9@utdallas.edu> goyal@utdallas.edu (MOHIT K GOYAL) writes:

>I'm not sure what your point is.  IBM has never been a "clone-basher" until
>just recently.(their PS/ValuePoint line).  Of course, everyone else is a 
>clone-basher too.(Dell, Compaq, DEC)

Thats what the Model 30 was _supposed_ to be.

Didn't say they were good at it though  9-)



-- 
-------------------------------------------------------------------------------
Iskandar Taib                          | The only thing worse than Peach ala
Internet: NTAIB@SILVER.UCS.INDIANA.EDU |    Frog is Frog ala Peach
Bitnet:   NTAIB@IUBACS                 !
From: tony@cns.nyu.edu (Tony Movshon)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: ATI soundboard
Date: 28 Dec 92 04:01:51 GMT
Reply-To: tony@cns.nyu.edu
Organization: New York University

In article 26DEC199211340853@cc.utah.edu, msfuller@cc.utah.edu (MARC S. FULLER) writes:
> Does anybody have any experience with the ATI soundboard?  How compatible is it 
> with other sound boards?

As far as I've been able to establish, the ATI board is fully compatible
with the Adlib and Soundblaster boards. I should qualify that by saying
that it always seems to make sounds that seem correct when it's supposed
to -- I haven't done a side-by-side listening test to make sure every sound
is identical, but I would suspect it is.

------------------------------------------------------------------------
					Tony Movshon

Internet:  movshon@nyu.edu		Howard Hughes Medical Institute
					Center for Neural Science
					New York University
Phone:	   (212) 998-7880		4 Washington Place, room 809
Fax:	   (212) 995-4183		New York, NY 10003
------------------------------------------------------------------------
From: ah157@cleveland.Freenet.Edu (Rob Henry)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: BIOS clock stopped?
Date: 29 Dec 1992 16:48:49 GMT
Organization: Case Western Reserve University, Cleveland, OH (USA)
Reply-To: ah157@cleveland.Freenet.Edu (Rob Henry)
NNTP-Posting-Host: slc10.ins.cwru.edu




My computer also tells me on power up tht the time of day clock is stopped,
it's internal in the bios i guess,why would it stop and how do i start it
again?
Newsgroups: comp.sys.ibm.pc.hardware
From: hartzman@kilroy.Jpl.Nasa.Gov (Les Hartzman)
Subject: Hard Disk Problem
Followup-To: hartzman@kilroy.jpl.nasa.gov
Keywords: hard disk
Organization: Jet Propulsion Laboratory, Pasadena, CA
Distribution: na
Date: Tue, 22 Dec 1992 18:07:57 GMT

I have/had a Maxtor 340 MB disk that was working fine for just over a month
when it stopped spinning up after having been turned off for awhile.  Actually,
it would spin up, but it appeared to be a temperature problem - leave the power
on for a minute or so then restart the computer and the disk would spin up.
Once the disk was spinning, no problems.

Well, I returned the disk and controller to the person I bought them from.  He
checked it out and couldn't find anything wrong.  Maxtor evidently couldn't
find anything wrong either.

The dealer/tech said that there may be a few bad chips on the motherboard.

My question (I know it took long enough to get to it!) is what could the
expense be to replace these chips vs. picking up a new motherboard?

I have not yet gotten a quote from the dealer, nor do I even know if the chips
can be replaced.  This is speculation on my part.  I'm not an EE nor an
electronics wiz so any clarification on this matter would be appreciated.

Thanks in advance.

Les



-- 
Les Hartzman                hartzman@kilroy.jpl.nasa.gov
Jet Propulsion Laboratory   M/S 238-528    (818) 354-5964
4800 Oak Grove Dr., Pasadena,  CA.  91109
From: warb@tgf.tc.faa.gov (Dan Warburton)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: [Q] How do Game Ports Work?
Date: 1 Jan 1993 23:56:42 GMT
Organization: FAA Technical Center, Pomona, NJ	
Distribution: world
NNTP-Posting-Host: mars.faa.gov
Summary: Queston
Keywords: Game

Q1. Can you have more than one Game port enabled?
    I have one on the Seril/Par Board and one on a PAS16 board.

Q2. How do the games know when a button is pushed? Interrupt, polling
    something else.


Thanks for any info.
--
Dan Warburton warb@faa.gov warb@tgf.tc.faa.gov warb@pilot.njin.net 
TGF (Target Generation Facility, an Air Traffic Control Simulator) 
FAA Technical Center, Atlantic City International Airport, NJ
08405  Mail Stop ACN-400c  Phone: 609-484-4480 
Newsgroups: comp.sys.ibm.pc.hardware
From: rnichols@cbnewsg.cb.att.com (robert.k.nichols)
Subject: Re: The maxtor 213 meg drive is NOT 213 megs!
Organization: AT&T
Date: Fri, 25 Dec 1992 01:38:27 GMT

In article <s_fuller.725218587@vincent2.iastate.edu> s_fuller@iastate.edu (Steve Fuller) writes:
... quoted articles deleted ...
>I hope that you are joking... every com sci course I have ever
>taken lists 1 K as 1024 bytes, since it is an even power of two.
>Most of the time, I have been told, it is safe to approximate
>with 1000. I'd tend to take 1024 as the base figure for 1 K
>myself.
...

Well, "1K == 2**10" certainly doesn't carry over into the area of
digital communications.  A 9600 bps channel is commonly abbreviated
"9.6K," and 1.544Mb/s has never meant anything but 1.544x10**6.

About the only place that the 1024 base is firmly entrenched is in the
area of computer memory, which, in a world of binary signals, is pretty
solidly locked into powers of 2.  Disks and tapes lie in a grey area.
Marketing being what it is, that means that base 10 will win out.

Actually, I once saw a computer advertised as having "4.2 Meg" of
memory, but only once.

Bob Nichols
AT&T Bell Laboratories
rnichols@ihlpm.ih.att.com
From: matthias@nsr.hp.com (Matthias Kamm)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: Why memory costs doubled
Date: 29 Dec 1992 01:24:49 GMT
Organization: Hewlett Packard Santa Clara Site
NNTP-Posting-Host: hpmvd069.nsr.hp.com
X-Newsreader: TIN [version 1.1.2 PL7]

Thanks for the references to the Constitution.  I was getting
ready to dig up my copy.  
Part of the reason the U.S. semiconductor industry is doing
so well now is that is has been shielded from unfair 
competition by the government.  Why do you think so many
U.S. manufacturers dropped out of the DRAM market in the 
first place!?
From: shih@ebony.eecs.ucdavis.edu (The Nomad)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: HELP: Adding second IDE drive
Date: 28 Dec 92 22:04:40 GMT
Distribution: comp.sys.ibm.pc.hardware
Organization: U.C. Davis - Department of Electrical Engineering and Computer Science


Hello Netlanders,

sorry if this is in FAQ, but I can't seems to find it.

I am trying to add second IDE drive (Maxtor 330meg) to a conner 210meg.
I heard that I had to put the smaller drive as primary drive?

I change the jumpers and get two type of errors:
1) HDD controller failure
and
2) D: Drive failure.

any info is greatly appreciated!!


-- 
|   ALAN SHIH  				UC.Davis EE dept              |
=======================================================================
|God's Last Msg: "We Apologize for the Inconvenience."                |
|				- Hitchhiker's Guide to the Galaxy    |
Newsgroups: comp.sys.ibm.pc.hardware,comp.sys.ibm.pc.soundcard