Personally, I would look into industrial-grade i386 SBCs. Old server
systems will suck juice, have non-standard weird bits and odds (old
Macs are a great example for RAM) and although I readily admit to
knowing next to nothing about EM shielding, it would seem easier to
shield properly a small box
500MHz VIA Eden ULV?? I know it's not really out yet, but I believe it
only dissipates 1 watt and an idle power of 0.1 watt. From the physics
I know, P = VI, so both operating voltages and currents will be a lot
lower. From Ampere's law, low current would have to mean there's is a
lower magnetic
Douglas A. Tutty wrote:
On Wed, Jan 30, 2008 at 10:17:47PM -0500, Paul D. Ouderkirk wrote:
Probably your best bet to cover these requirements would be some old
school Compaq Proliant
with 2 or 4-way Pentium Pro CPUs. You can find them clocked around 200MHz.
You can get them on eBay cheaply,
Sherwood Botsford wrote:
Why not try the recycle centers? In Alberta now, electronics is
diverted for salvage purposes. I bet this is true in Ontario too.
Not yet. Ontario is just now starting to think about such a program...
Hello,
Maybe it would make sense to lower frequency of your beast Athlon and see how
your poor wife reacts to such changes? OpenBSD and FreeBSD come with apmd(8)
and powerd(8) that can change the freq. You may also want to downcloack your
system through BIOS.
Douglas A. Tutty wrote:
Hello,
I have an unusual situation and problem at which I've been chipping
away. The resultant system will need to run OpenBSD so I'm asking here
for the accumulated wisdom. The base technology predates my IT
experience.
My wife is sensitive to what she describes as
Douglas,
I'm really sorry about you wife's health problems. I was unaware about
this condition and, as a matter of fact, will relay some of the information
passed along this thread to my own wife (she is a trained doctor).
Maybe she provide additional insights that could improve your wife's
Message-
From: johan beisser [EMAIL PROTECTED]
Cc: Douglas A. Tutty [EMAIL PROTECTED], misc@openbsd.org
Subject: Re: low-MHz server
Date: Wed, 30 Jan 2008 23:10:51 -0800
Mailer: Apple Mail (2.915)
Just to keep people informed: Netra T1 is LOUD. I mean, shockingly so.
I can hear mine through
On Wed, 30 Jan 2008, Paul D. Ouderkirk wrote:
Probably your best bet to cover these requirements would be some old
school Compaq Proliant
with 2 or 4-way Pentium Pro CPUs. You can find them clocked around 200MHz.
OpenBSD has troubles recognizing the SCSI drives on some of these.
(The ones I
On Jan 31, 2008 2:04 PM, Woodchuck [EMAIL PROTECTED] wrote:
Believe it or not, there are only two obvious P-Pro machines on
ebay (us) right now. One is an overdrive (330MHz), the other a
diskless Dell Demention (sic ;-) at 180. They want 96$+ship
for that one. It must have considerable
On Wednesday 30 January 2008, Douglas A. Tutty wrote:
I don't need answers to these questions, but if there is a medical
solution to your wife's sensitivity that might be easier than
trying to banish all electronics.
A medical solution would be very nice but not forthcoming. Note that
On Wednesday 30 January 2008, Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the
higher the frequency, the worse her symptoms. For example, a VT is
better than a regular CRT connected
On Wednesday 30 January 2008, Douglas A. Tutty wrote:
On Thu, Jan 31, 2008 at 02:11:54AM +0100, ropers wrote:
On 30/01/2008, Douglas A. Tutty [EMAIL PROTECTED] wrote:
She's also sensitive to lower-freq and even DC electric fields
(e.g. a battery with no external current flow) but in a
On Wednesday 30 January 2008, chefren wrote:
On 1/31/08 2:25 AM, Douglas A. Tutty wrote:
We did the double-blind thing many times. She nails it every time:
100%
If true she can get =very= rich with that.
Please stop this thread that has nothing to do with OpenBSD.
chefren,
I
Hello,
I have an unusual situation and problem at which I've been chipping
away. The resultant system will need to run OpenBSD so I'm asking here
for the accumulated wisdom. The base technology predates my IT
experience.
My wife is sensitive to what she describes as electromagnetic fields.
She
I fail to see why you are moving the applications off the Athlon? why
not just use your apps on the Athlon and ssh to it? it is multi-user
after all
On 30/01/2008, Douglas A. Tutty [EMAIL PROTECTED] wrote:
Hello,
I have an unusual situation and problem at which I've been chipping
away. The
On Wednesday 30 January 2008 12:35, Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the
higher the frequency, the worse her symptoms.
Rather than trying to find obsolete equipment that
So,
Look for tempest rated computers?
On 1/30/08, Daniel A. Ramaley [EMAIL PROTECTED] wrote:
On Wednesday 30 January 2008 12:35, Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the
The condition your wife is subject to, IMO, is _very_ unusual and
deserves better study...
I'm increasing the off-topicness of this thread, but Daniel is right.
If your wife is more sensitive to higher frequencies, it should be more
easier to isolate her from electromagnetic fields. Lower
On Wednesday 30 January 2008 13:35:59 Douglas A. Tutty wrote:
Hello,
I have an unusual situation and problem at which I've been chipping
away. The resultant system will need to run OpenBSD so I'm asking here
for the accumulated wisdom. The base technology predates my IT
experience.
My
Because the Athlon runs at 3.5 GHz and gives my wife a headache. Most
daily apps (mainly email, doc processing and printing) will run fine on
a lesser box.
Doug.
On Wed, Jan 30, 2008 at 10:54:31AM -0800, Lord Sporkton wrote:
I fail to see why you are moving the applications off the Athlon?
On Wed, Jan 30, 2008 at 01:11:58PM -0600, Daniel A. Ramaley wrote:
On Wednesday 30 January 2008 12:35, Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the
higher the frequency, the
AIUI, tempest shields from the transients from keyboards. I don't know
that it shields from all EMF above (arbitrarily) 100 MHz. Besides, I'll
bet that to get the tempest certification would cost a whole lot more
than even a skid of old servers.
Doug.
On Wed, Jan 30, 2008 at 02:41:56PM
Thanks all for your thinking. Yes its getting OT. I don't mind the
OTness but I would also like the T discussion to continue as well.
On Wed, Jan 30, 2008 at 05:47:42PM -0200, Marcus Andree wrote:
The condition your wife is subject to, IMO, is _very_ unusual and
deserves better study...
On Wed, Jan 30, 2008 at 02:02:09PM -0500, STeve Andre' wrote:
On Wednesday 30 January 2008 13:35:59 Douglas A. Tutty wrote:
Hello,
I have an unusual situation and problem at which I've been chipping
away. The resultant system will need to run OpenBSD so I'm asking here
for the
You said you live rurally - in that case, perhaps you should build/buy a small
quality (read as: won't get wet) shed, have your systems there and run some
outdoor-rated CAT5e from it to your house. That should allow you to use KVM
extenders, serial, etc. Remember the inverse-square law for RF.
On Jan 30, 2008 3:50 PM, Douglas A. Tutty [EMAIL PROTECTED] wrote:
AIUI, tempest shields from the transients from keyboards. I don't know
that it shields from all EMF above (arbitrarily) 100 MHz. Besides, I'll
bet that to get the tempest certification would cost a whole lot more
than even a
On Wed, Jan 30, 2008 at 09:42:15PM +, [EMAIL PROTECTED] wrote:
You said you live rurally - in that case, perhaps you should build/buy
a small quality (read as: won't get wet) shed, have your systems there
and run some outdoor-rated CAT5e from it to your house. That should
allow you to use
Douglas A. Tutty wrote:
A medical solution would be very nice but not forthcoming. Note that
apparently in either Norway or Sweeden (I forget which), a whole
non-electronic, non-EMF village has been set up for such sensitive
people. Hasn't happened in Canada or the US yet.
If moving is an
On Wed, Jan 30, 2008 at 04:48:57PM -0500, bofh wrote:
And, in all seriousness, has she tried a tin-foil hat?
I tried a tin-foil vapour-barrier in the bedroom in our previous house;
even tried grounding it.
On 30/01/2008, bofh [EMAIL PROTECTED] wrote:
So,
Look for tempest rated computers?
These may be difficult to procure, because according to
http://en.wikipedia.org/wiki/TEMPEST even the emission limits remain
classified, nevermind actual kit that one could buy.
--ropers
On Wed, Jan 30, 2008 at 06:09:36PM -0500, Steve Shockley wrote:
Douglas A. Tutty wrote:
A medical solution would be very nice but not forthcoming. Note that
apparently in either Norway or Sweeden (I forget which), a whole
non-electronic, non-EMF village has been set up for such sensitive
On Jan 30, 2008 7:17 PM, ropers [EMAIL PROTECTED] wrote:
On 30/01/2008, bofh [EMAIL PROTECTED] wrote:
So,
Look for tempest rated computers?
These may be difficult to procure, because according to
http://en.wikipedia.org/wiki/TEMPEST even the emission limits remain
classified, nevermind
On 30/01/2008, Daniel A. Ramaley [EMAIL PROTECTED] wrote:
On Wednesday 30 January 2008 12:35, Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the
higher the frequency, the worse her
On 30/01/2008, Douglas A. Tutty [EMAIL PROTECTED] wrote:
She's also sensitive to lower-freq and even DC electric fields (e.g. a
battery with no external current flow) but in a different manner.
I don't understand what you mean by DC electric fields in this
context. A battery without any
Hi Ropers,
We did the double-blind thing many times. She nails it every time:
100%
Thanks anyway,
Doug.
On Wed, Jan 30, 2008 at 01:11:58PM -0600, Daniel A. Ramaley wrote:
Has your wife had her sensitivity examined by medical professionals? Is
it a physical problem or a psychosomatic condition?
On 30/01/2008, Douglas A. Tutty [EMAIL PROTECTED] wrote:
Yes. Physical.
Let's remember here that
On Thu, Jan 31, 2008 at 02:11:54AM +0100, ropers wrote:
On 30/01/2008, Douglas A. Tutty [EMAIL PROTECTED] wrote:
She's also sensitive to lower-freq and even DC electric fields (e.g. a
battery with no external current flow) but in a different manner.
I don't understand what you mean by DC
[EMAIL PROTECTED]
To: misc@OpenBSD.org
Subject: low-MHz server
Date: Wed, 30 Jan 2008 13:35:59 -0500
Mailer: Mutt/1.5.13 (2006-08-11)
Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the higher
the frequency, the worse her symptoms.
Looks like you need to trade her in... she's broken.
;)
-Nix Fan.
Hi,
I haven't had any difficulty finding PII / PPro based HP Netservers that
are too heavy to carry up the stairs. Any i386 server from that time
should be pretty reliable if it still works...
Running OpenBSD is a whole another thing. I've found most of the early
PII servers very quirky, the
On Jan 30, 2008 1:35 PM, Douglas A. Tutty [EMAIL PROTECTED] wrote:
Here's the hardware-type I'll envisioning:
Multiple CPU so that multiple apps can run better on limited individual
CPUs, running under 200 MHz
Probably PCI bus.
Paralell port for the printer (or I would just use a USB
Douglas A. Tutty wrote:
...
Here's the software that I need to run on the box (beyond what is in 4.2
base):
vim
easy
mc
easy
mutt
easy
tex
considering it dates back to the low two-digit CPU speed days, I
suspect easy, though it might be true that you would appreciate
more.
python
them running.
Perhaps the Netra's will serve your cause.
/S
-Original Message-
From: Douglas A. Tutty [EMAIL PROTECTED]
To: misc@OpenBSD.org
Subject: low-MHz server
Date: Wed, 30 Jan 2008 13:35:59 -0500
Mailer: Mutt/1.5.13 (2006-08-11)
Douglas A. Tutty wrote:
So, back to the issue at hand. Anybody have fond memories of great 486
or Pentium-based servers (or other arch equivs)?
Doug.
Back in 1999, I picked up several used HP Vectra Pentium 100 desktops
for use as backup backup dial in administration machines at our
On Wed, Jan 30, 2008 at 10:17:47PM -0500, Paul D. Ouderkirk wrote:
Probably your best bet to cover these requirements would be some old
school Compaq Proliant
with 2 or 4-way Pentium Pro CPUs. You can find them clocked around 200MHz.
You can get them on eBay cheaply, but you'll probably
On Wed, Jan 30, 2008 at 06:58:02PM -0800, Unix Fan wrote:
Douglas A. Tutty wrote:
My wife is sensitive to what she describes as electromagnetic fields.
She gets headaches and other pains when exposed to equipment: the higher
the frequency, the worse her symptoms.
Looks like you
On Thu, Jan 31, 2008 at 05:14:32AM +0200, Jussi Peltola wrote:
I haven't had any difficulty finding PII / PPro based HP Netservers that
are too heavy to carry up the stairs. Any i386 server from that time
should be pretty reliable if it still works...
Running OpenBSD is a whole another
On Wed, Jan 30, 2008 at 10:47:45PM -0500, Nick Gustas wrote:
Douglas A. Tutty wrote:
So, back to the issue at hand. Anybody have fond memories of great 486
or Pentium-based servers (or other arch equivs)?
Back in 1999, I picked up several used HP Vectra Pentium 100 desktops
for use as
On Wed, Jan 30, 2008 at 11:08:32PM -0500, Douglas A. Tutty wrote:
P-II runs too fast. I'm looking at P or P-Pro (or 486). I haven't
found any. Know of a source of such servers?
I do have dual P and PPro netservers gathering dust in the garage.
Unfortunately their combined weight is probably
On 1/31/08 2:25 AM, Douglas A. Tutty wrote:
We did the double-blind thing many times. She nails it every time:
100%
If true she can get =very= rich with that.
Please stop this thread that has nothing to do with OpenBSD.
+++chefren
On Jan 30, 2008, at 7:45 PM, scott wrote:
If MHz are the issue ... you can get SUN NETRA T1 machine off ebay
from
50-300$ depending on its age and ingredients. These used Netra's
range
from 400M-1.2G Hz. These are 1U units. They offer far greater
performance bang then x86's at at like
Have you considered a PowerPC-based machine? They run at lower
frequencies, using less power. Might be something to consider.
Something like an old beige PowerMac 6200 or something from that era.
In Vancouver, we have a Mac consignment shop that always has old
machines like this. Maybe you have
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