Re: [Emc-users] nc code exceeds negative limit

[Mark Wendt (Contractor)]

At 01:07 PM 5/22/2010, you wrote:
>On Saturday 22 May 2010, Mark Wendt (Contractor) wrote:
>Pulling from atmospheric, I'd guess about 3.  I have it hooked to a 3.5 foot
>piece of 6" pvc, capped on both ends, trying to force a piece of maple for a
>gunstock to a drier condition.  15 years its been rough cut, and when I laid
>into it to cut the ramp for the thumbhole, the next thing I knew there was a
>hairline crack running from the top of the butt clear into the rear of what
>would be the action space.  Another piece of this same plank did the same
>thing 6 or so years back, and as it was a try this to see if it works model,
>I just poured superglue into it as I carved.  Several ounces of it.  So that
>stock does work although I wasn't impressed with how I did the back of the
>thumbhole, and of course with all those lines of superglue in it, some over
>1/16" wide, its butt ugly.  Too short to be a boat hook, it will fit a wood
>fire some day.
>
>Unforch, I can't seem to find a leak in my sewer pipe glueup.  The end that
>allows me to open it is a 6" screw in cap, at least thats where a soap
>solution bubble if I put a couple pounds of pressure in it, and std gun
>caulking just seems to suck into the threads & eventually allow a pinhole
>leak, so I need to cycle it every 30 minutes to keep it below 20".  Not
>practical.  And with so much caulking sucked into the threads, I expect I'll
>have to make wrenches to get it open again even after I cut the now dried

The pump I ended up buying claims it pulls 5 CFM .  I sucks the 
reservoirs dry pretty durned fast.  I made up one of these systems:

.  Seems to 
be pretty efficient.

I've got a similar issue on my hold down bed.  I ran a bead of silly 
cone around the joint yesterday afternoon before I called knock it 
off.  Hopefully, the goop found the leak and sealed it off.

>caulk.
>
>
>I have had one or two of those, very cheap ($12) Japanese made at the time
>(1965).  Swing nice, and get crooked just by standing them in the corner
>overnight.  I don't recall what became of them.  But I do recall how nicely
>they handled, and would like to have another someday.  Fiberglass and carbon
>fiber just don't do it for me.  When you are in production, let this list
>know where we can buy them, and about the cost because I would like to have
>another before they toll the bells for me.


Will do.  I'm going to stay active on the list anyway.  Y'all are a 
great bunch of folks, and I've enjoyed the back and forth of this 
list.  I also get links to machines that I can drool over like 
Stuart's and Kirk's.  I'm hoping once I get going here, now that the 
main machine build is finished and now just tweaking and debugging 
the machine, maybe I can help out with some of the programming.


> >I've been hand planing each of those 6 strips per section - butt and
> >2 tips for a total of 18 strips. Usually takes me about 45 minutes to
> >an hour per strip. At the feeds and speeds I'll be working with on
> >the machine, I should be able to crank out a strip every couple
> >minutes.  Nice little time saver...
>
>Yes, and since time=money, which means you can compete with Orvik on a
>leveler field and still make a profit.  Whats not to like.  ;-)

Ayup.  At least that was the goal!  Be nice to be able to turn out 
enough rods in a year to make a living at it...  ;-)

Mark 



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Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?

[Mark Wendt (Contractor)]

At 09:35 PM 5/22/2010, you wrote:
>On Saturday 22 May 2010, Michael Jones wrote:
>In fact, I have found that even the nv driver makes the latency 
>figures suck.
>Not nearly as bad as the nvidia drivers though.  When I first built up my
>micromill, I was not able to get it to move more than 3 or 4 IPM without
>stalls, so on IRC one night someone suggested I try the nv driver, so I
>converted it back to use the nv driver.
>
>It was enough better that I could get it into the teens per minute before the
>stalls started.  And I noticed the motors sounded a little more musical but
>the tones weren't really all that pure.
>
>Someone a few weeks later said I should try the vesa driver, which does limit
>the screen resolution a bit but its usable, and my 20 tpi X and Y tables can
>now run at 25 IPM, which quite pure sounding tones, no raggedness to them at
>all.
>
>The Z was another surprise, as I had excised the original 20 TPI screw that
>ran up the back of the post, in favor of a 10 tpi that by turning the gear
>head 90 degrees, allows clearance past it to grab the Z sled about 2" in
>front of the post where the bolt is anchored solidly and doesn't turn.  With
>a 425 motor on the OEM lashup, the sled was bound on the post and incapable
>of running a bathroom scale past about 5 pounds before the 425 started
>cogging in place.
>
>Now, with the screw in front of the post, and the nuts that drive it sitting
>in bearings located above the post and inline with the bolt, a 17 tooth
>pulley on the 425, and a 42 tooth pulley turning the nuts,  I can run it down
>on the bathroom scales to 155 lbs before the motor starts cogging.  And I
>can, if nothing gets in the way, run the Z axis at 34 IPM if the post is
>relatively clean & lubed with vactra.
>
> >I can't find anything on this, but will the NV drivers actually load
> >some form of OpenGL so axis will run or am I just spinning my wheels?
>
>I don't know as openGL runs with the vesa driver, and I'll let Alex confirm
>or deny that axis needs openGL.  Whatever that answer is, its running the
>machine very well, on a 9 year old video card.  Yes, the video could be
>better, but the machine runs great.
>
> >I don't think I loaded the proprietary Nvidia Drivers last time (I
> >can't be sure, it was a long time ago) and axis ran just fine.
> >
> >Recommendations?
>
>Try the vesa driver, its much kinder to the latency than anything else I have
>ever tried.

Do we have any recommendations for a video card and driver that 
doesn't cause problems.  I loaded a machine at work with Ubuntu 10.4 
LTS.  I had two ATI cards on hand, a Rage, and a very high end ATI 
that had it's own power plugin from the computer's power supply.  I 
couldn't get either of them to work worth doo-doo using either the 
generic drivers or the so-called "ATI" something or other 
drivers.  Screen had dropouts, color weirdness, would flicker 
occasionally and other oddness.  Since neither board would work very 
well, I ended up with an Nvidia board.  But with the report problems 
of Michael and Gene, what other options do we have?

Mark 



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Re: [Emc-users] nc code exceeds negative limit

[Gene Heskett]

On Sunday 23 May 2010, Mark Wendt (Contractor) wrote:
>At 01:07 PM 5/22/2010, you wrote:
>>On Saturday 22 May 2010, Mark Wendt (Contractor) wrote:
>>Pulling from atmospheric, I'd guess about 3.  I have it hooked to a 3.5
>> foot piece of 6" pvc, capped on both ends, trying to force a piece of
>> maple for a gunstock to a drier condition.  15 years its been rough cut,
>> and when I laid into it to cut the ramp for the thumbhole, the next thing
>> I knew there was a hairline crack running from the top of the butt clear
>> into the rear of what would be the action space.  Another piece of this
>> same plank did the same thing 6 or so years back, and as it was a try
>> this to see if it works model, I just poured superglue into it as I
>> carved.  Several ounces of it.  So that stock does work although I wasn't
>> impressed with how I did the back of the thumbhole, and of course with
>> all those lines of superglue in it, some over 1/16" wide, its butt ugly. 
>> Too short to be a boat hook, it will fit a wood fire some day.
>>
>>Unforch, I can't seem to find a leak in my sewer pipe glueup.  The end
>> that allows me to open it is a 6" screw in cap, at least thats where a
>> soap solution bubble if I put a couple pounds of pressure in it, and std
>> gun caulking just seems to suck into the threads & eventually allow a
>> pinhole leak, so I need to cycle it every 30 minutes to keep it below
>> 20".  Not practical.  And with so much caulking sucked into the threads,
>> I expect I'll have to make wrenches to get it open again even after I cut
>> the now dried
>
>The pump I ended up buying claims it pulls 5 CFM .  I sucks the
>reservoirs dry pretty durned fast.  I made up one of these systems:
>
>.  Seems to
>be pretty efficient.
>
>I've got a similar issue on my hold down bed.  I ran a bead of silly
>cone around the joint yesterday afternoon before I called knock it
>off.  Hopefully, the goop found the leak and sealed it off.
>
>>caulk.
>>
>>
>>I have had one or two of those, very cheap ($12) Japanese made at the time
>>(1965).  Swing nice, and get crooked just by standing them in the corner
>>overnight.  I don't recall what became of them.  But I do recall how
>> nicely they handled, and would like to have another someday.  Fiberglass
>> and carbon fiber just don't do it for me.  When you are in production,
>> let this list know where we can buy them, and about the cost because I
>> would like to have another before they toll the bells for me.
>
>Will do.  I'm going to stay active on the list anyway.  Y'all are a
>great bunch of folks, and I've enjoyed the back and forth of this
>list.  I also get links to machines that I can drool over like
>Stuart's and Kirk's.  I'm hoping once I get going here, now that the
>main machine build is finished and now just tweaking and debugging
>the machine, maybe I can help out with some of the programming.
>
>> >I've been hand planing each of those 6 strips per section - butt and
>> >2 tips for a total of 18 strips. Usually takes me about 45 minutes to
>> >an hour per strip. At the feeds and speeds I'll be working with on
>> >the machine, I should be able to crank out a strip every couple
>> >minutes.  Nice little time saver...
>>
>>Yes, and since time=money, which means you can compete with Orvik on a
>>leveler field and still make a profit.  Whats not to like.  ;-)
>
>Ayup.  At least that was the goal!  Be nice to be able to turn out
>enough rods in a year to make a living at it...  ;-)
>
>Mark
>
I wish you a great success at that.  The design will of course get fine tuned 
over the first few months as you see how they go together & decide that maybe 
the machine can save you some time in the finish sanding, by cutting ever 
closer to the final dimension.

All of us here would agree that they have heard that the time you spend 
fishing is free.  I've been told by the God peddlers all my life that ones 
life clock is stopped, he doesn't charge the time you spend fishing against 
ones alloted time.  That may explain why at 75, I'm still here, there have 
been several occasions when it could have ended.  But I won't bore the list 
with the replays.

One bit of wisdom I'll pass.  Do what you enjoy, so that you can enjoy what 
you do. ;-)

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
It took me fifteen years to discover that I had no talent for writing,
but I couldn't give it up because by that time I was too famous.
-- Robert Benchley

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Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?

[Gene Heskett]

On Sunday 23 May 2010, Mark Wendt (Contractor) wrote:
>At 09:35 PM 5/22/2010, you wrote:
>>On Saturday 22 May 2010, Michael Jones wrote:
>>In fact, I have found that even the nv driver makes the latency
>>figures suck.
>>Not nearly as bad as the nvidia drivers though.  When I first built up my
>>micromill, I was not able to get it to move more than 3 or 4 IPM without
>>stalls, so on IRC one night someone suggested I try the nv driver, so I
>>converted it back to use the nv driver.
>>
>>It was enough better that I could get it into the teens per minute before
>> the stalls started.  And I noticed the motors sounded a little more
>> musical but the tones weren't really all that pure.
>>
>>Someone a few weeks later said I should try the vesa driver, which does
>> limit the screen resolution a bit but its usable, and my 20 tpi X and Y
>> tables can now run at 25 IPM, which quite pure sounding tones, no
>> raggedness to them at all.
>>
>>The Z was another surprise, as I had excised the original 20 TPI screw
>> that ran up the back of the post, in favor of a 10 tpi that by turning
>> the gear head 90 degrees, allows clearance past it to grab the Z sled
>> about 2" in front of the post where the bolt is anchored solidly and
>> doesn't turn.  With a 425 motor on the OEM lashup, the sled was bound on
>> the post and incapable of running a bathroom scale past about 5 pounds
>> before the 425 started cogging in place.
>>
>>Now, with the screw in front of the post, and the nuts that drive it
>> sitting in bearings located above the post and inline with the bolt, a 17
>> tooth pulley on the 425, and a 42 tooth pulley turning the nuts,  I can
>> run it down on the bathroom scales to 155 lbs before the motor starts
>> cogging.  And I can, if nothing gets in the way, run the Z axis at 34 IPM
>> if the post is relatively clean & lubed with vactra.
>>
>> >I can't find anything on this, but will the NV drivers actually load
>> >some form of OpenGL so axis will run or am I just spinning my wheels?
>>
>>I don't know as openGL runs with the vesa driver, and I'll let Alex
>> confirm or deny that axis needs openGL.  Whatever that answer is, its
>> running the machine very well, on a 9 year old video card.  Yes, the
>> video could be better, but the machine runs great.
>>
>> >I don't think I loaded the proprietary Nvidia Drivers last time (I
>> >can't be sure, it was a long time ago) and axis ran just fine.
>> >
>> >Recommendations?
>>
>>Try the vesa driver, its much kinder to the latency than anything else I
>> have ever tried.
>
>Do we have any recommendations for a video card and driver that
>doesn't cause problems.  I loaded a machine at work with Ubuntu 10.4
>LTS.  I had two ATI cards on hand, a Rage, and a very high end ATI
>that had it's own power plugin from the computer's power supply.  I
>couldn't get either of them to work worth doo-doo using either the
>generic drivers or the so-called "ATI" something or other
>drivers.  Screen had dropouts, color weirdness, would flicker
>occasionally and other oddness.  Since neither board would work very
>well, I ended up with an Nvidia board.  But with the report problems
>of Michael and Gene, what other options do we have?
>
>Mark

I believe I have an nvidia card in my machines driver box.  Running the vesa 
driver.

Another, lesser powered box I use for the sacrificial 'goat.coyote.den' 
machine, has an ATI 9200SE AGP card in it, and if I ever get around to 
motorizing the feed on my resawing bandsaw with it, I believe it will be fine 
with whatever drivers the 8.04 LTS install runs it with.  That machine atm 
has 10.4 on it, but it doesn't have the iron to run 10.4 at all well.  Its 
only a 1ghz athlon with 384 megs of ram, so its limits are pretty well demoed 
when they have been hit.  It turns into a dog with only one good leg once it 
starts swapping.  I have not tried to force that install into the vesa box, 
but it might help a small bit as vesa doesn't seem to use as much memory.

>
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-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Tis man's perdition to be safe, when for the truth he ought to die.

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Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?

[Dave]

 From what I have gathered 10.4 suffers from similar video problems that 
9.10 did.  One issue is that 9.10 and apparently also 10.4 oftentimes 
can't access the video screen correctly to determine the screens 
capabilities.

If you use the Vesa driver and you know your screen resolution, you can 
force the Vesa driver to set the video which apparently gets rid of some 
of the screen flickering issues etc.

Another user, and then I found that the D510 intel board with the 
onboard intel GMA3150 video had an issue with 9.10 so I wrote up a work 
around for the D510 board.   If you are going to use the Vesa driver 
perhaps this would be some help.

Go to this page...

http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Ubuntu91

And scroll down to the bottom where it says:  "*Note Relating to "cannot 
load the i810 module" error when first booting compiled Kernel:*"

The  "xorg.conf.failsafe"  file is setup to use the Vesa driver..  so 
this procedure just sets things up so the vesa driver is used and then 
describes how to set the config file so it is optimal for the monitor 
you have connected.

This doesn't fix any Linux issue, it is really a work around.

Dave


On 5/23/2010 7:20 AM, Mark Wendt (Contractor) wrote:
> At 09:35 PM 5/22/2010, you wrote:
>
>> On Saturday 22 May 2010, Michael Jones wrote:
>> In fact, I have found that even the nv driver makes the latency
>> figures suck.
>> Not nearly as bad as the nvidia drivers though.  When I first built up my
>> micromill, I was not able to get it to move more than 3 or 4 IPM without
>> stalls, so on IRC one night someone suggested I try the nv driver, so I
>> converted it back to use the nv driver.
>>
>> It was enough better that I could get it into the teens per minute before the
>> stalls started.  And I noticed the motors sounded a little more musical but
>> the tones weren't really all that pure.
>>
>> Someone a few weeks later said I should try the vesa driver, which does limit
>> the screen resolution a bit but its usable, and my 20 tpi X and Y tables can
>> now run at 25 IPM, which quite pure sounding tones, no raggedness to them at
>> all.
>>
>> The Z was another surprise, as I had excised the original 20 TPI screw that
>> ran up the back of the post, in favor of a 10 tpi that by turning the gear
>> head 90 degrees, allows clearance past it to grab the Z sled about 2" in
>> front of the post where the bolt is anchored solidly and doesn't turn.  With
>> a 425 motor on the OEM lashup, the sled was bound on the post and incapable
>> of running a bathroom scale past about 5 pounds before the 425 started
>> cogging in place.
>>
>> Now, with the screw in front of the post, and the nuts that drive it sitting
>> in bearings located above the post and inline with the bolt, a 17 tooth
>> pulley on the 425, and a 42 tooth pulley turning the nuts,  I can run it down
>> on the bathroom scales to 155 lbs before the motor starts cogging.  And I
>> can, if nothing gets in the way, run the Z axis at 34 IPM if the post is
>> relatively clean&  lubed with vactra.
>>
>>  
>>> I can't find anything on this, but will the NV drivers actually load
>>> some form of OpenGL so axis will run or am I just spinning my wheels?
>>>
>> I don't know as openGL runs with the vesa driver, and I'll let Alex confirm
>> or deny that axis needs openGL.  Whatever that answer is, its running the
>> machine very well, on a 9 year old video card.  Yes, the video could be
>> better, but the machine runs great.
>>
>>  
>>> I don't think I loaded the proprietary Nvidia Drivers last time (I
>>> can't be sure, it was a long time ago) and axis ran just fine.
>>>
>>> Recommendations?
>>>
>> Try the vesa driver, its much kinder to the latency than anything else I have
>> ever tried.
>>  
> Do we have any recommendations for a video card and driver that
> doesn't cause problems.  I loaded a machine at work with Ubuntu 10.4
> LTS.  I had two ATI cards on hand, a Rage, and a very high end ATI
> that had it's own power plugin from the computer's power supply.  I
> couldn't get either of them to work worth doo-doo using either the
> generic drivers or the so-called "ATI" something or other
> drivers.  Screen had dropouts, color weirdness, would flicker
> occasionally and other oddness.  Since neither board would work very
> well, I ended up with an Nvidia board.  But with the report problems
> of Michael and Gene, what other options do we have?
>
> Mark
>
>
>
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Re: [Emc-users] nc code exceeds negative limit

[Steve Blackmore]

On Sun, 23 May 2010 07:11:46 -0400, you wrote:

>The pump I ended up buying claims it pulls 5 CFM .  I sucks the 
>reservoirs dry pretty durned fast.  I made up one of these systems:
>
>.  Seems to 
>be pretty efficient.
>
>I've got a similar issue on my hold down bed.  I ran a bead of silly 
>cone around the joint yesterday afternoon before I called knock it 
>off.  Hopefully, the goop found the leak and sealed it off.

Hi Mark  - not too pee on your bonfire, but, pretty much any sort of
pump can suck the air out of a bag. Holding something in place is always
more difficult. Place stoppers against your parts to stop sliding.

Steve Blackmore
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Re: [Emc-users] nc code exceeds negative limit

[Gene Heskett]

On Sunday 23 May 2010, Steve Blackmore wrote:
>On Sun, 23 May 2010 07:11:46 -0400, you wrote:
>>The pump I ended up buying claims it pulls 5 CFM .  I sucks the
>>reservoirs dry pretty durned fast.  I made up one of these systems:
>>
>>.  Seems to
>>be pretty efficient.
>>
>>I've got a similar issue on my hold down bed.  I ran a bead of silly
>>cone around the joint yesterday afternoon before I called knock it
>>off.  Hopefully, the goop found the leak and sealed it off.
>
>Hi Mark  - not too pee on your bonfire, but, pretty much any sort of
>pump can suck the air out of a bag. Holding something in place is always
>more difficult. Place stoppers against your parts to stop sliding.
>
>Steve Blackmore

Steve, thanks for the reminder.  I was at some point if I didn't get 
distracted, which I do easily in my dotage, going to mention that.

The area of the opening has to be less than the width of the strip of bamboo 
Mark starts with, and the maximum pressure that can be obtained corresponds 
to the normal atmospheric pressure, supposedly 14.7 psi at sea level.  If 
Mark is in Denver its going to be less of course.  So the hold-down pressure, 
assuming the vacuum is presented to a strip 1/8" wide, will then equal 
nominally 2 pounds per running inch or a hair less.  3/16" wide would be 
nice, but near the tip of the strip, its not even going to have that eighth 
inch.  That will generally hold it I would think, till the saws get dull, at 
which point its going to spit it out.  I believe I might consider adding a 
roller, maybe two, one in front of the saw blade, and one behind, with 
another 4 or 5 pounds of pressure on the bamboo from the rollers.  It might 
improve the yield enough to buy the rollers in a days time.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Pedaeration, n.:
The perfect body heat achieved by having one leg under the
sheet and one hanging off the edge of the bed.
-- Rich Hall, "Sniglets"

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[Emc-users] Specs for a PC to run EMC

[Wes Johnson]

Hello all,

I have tried 2 computers and both could not run EMC without RTAI errors. Can
someone give me a list of components to build a suitable computer. Or, maybe
there is one I can just purchase at a reasonable cost.

I have heard good things about the Atom board, but it only has one PCI port.
That will probably be enough though.

So does someone have a combination that works? Can you give me the cost? It
only needs to run EMC.

Thanks

-Wes
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Re: [Emc-users] Specs for a PC to run EMC

[Edward Bernard]

I had the same problem but found an older Dell Optiplex P4 worked great. They 
can usually be had for around $75 either on Ebay or locally.





From: Wes Johnson 
To: Enhanced Machine Controller (EMC) 
Sent: Sun, May 23, 2010 10:47:27 PM
Subject: [Emc-users] Specs for a PC to run EMC

Hello all,

I have tried 2 computers and both could not run EMC without RTAI errors. Can
someone give me a list of components to build a suitable computer. Or, maybe
there is one I can just purchase at a reasonable cost.

I have heard good things about the Atom board, but it only has one PCI port.
That will probably be enough though.

So does someone have a combination that works? Can you give me the cost? It
only needs to run EMC.

Thanks

-Wes
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Re: [Emc-users] Specs for a PC to run EMC

[Daniel Goller]

While waiting to hear from others, what were the specs / vintage of the two
machines you tried ?

On May 23, 2010 10:54 PM, "Wes Johnson"  wrote:

Hello all,

I have tried 2 computers and both could not run EMC without RTAI errors. Can
someone give me a list of components to build a suitable computer. Or, maybe
there is one I can just purchase at a reasonable cost.

I have heard good things about the Atom board, but it only has one PCI port.
That will probably be enough though.

So does someone have a combination that works? Can you give me the cost? It
only needs to run EMC.

Thanks

-Wes
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Re: [Emc-users] Specs for a PC to run EMC

[Wes Johnson]

I first tried a Medion with a Pentium 4HT 2.4 GHz, NVIDIA GeForce 8000
series graphics.

Next I tried an older Dell Optiplex GX270 P4 with integrated graphics.

I disabled SMI on both. I get the same problem. There is an RTAI error
shortly after starting EMC. On the Dell you can actually here the spindle
RPM drop every 30 seconds or so when it has a problem.

-Wes
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Re: [Emc-users] Specs for a PC to run EMC

[Edward Bernard]

This may be useful:http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Latency-Test





From: Wes Johnson 
To: Enhanced Machine Controller (EMC) 
Sent: Sun, May 23, 2010 11:35:18 PM
Subject: Re: [Emc-users] Specs for a PC to run EMC

I first tried a Medion with a Pentium 4HT 2.4 GHz, NVIDIA GeForce 8000
series graphics.

Next I tried an older Dell Optiplex GX270 P4 with integrated graphics.

I disabled SMI on both. I get the same problem. There is an RTAI error
shortly after starting EMC. On the Dell you can actually here the spindle
RPM drop every 30 seconds or so when it has a problem.

-Wes
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Re: [Emc-users] Specs for a PC to run EMC

[Erik Christiansen]

On Sun, May 23, 2010 at 11:47:27PM -0400, Wes Johnson wrote:
> So does someone have a combination that works? Can you give me the cost? It
> only needs to run EMC.

Well, there's always the list at:

http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Latency-Test

On its recommendation, I bought a j...@we1g5s-oc-lf, and it passed the
latency tests here. Even from down under, I just needed to go ogle for
suppliers, and it was easier to buy from the USA than locally. I
chose as much on customer friendliness of the ordering process as the
price. (Checking on overseas warranty return policy is also a good idea
in similar circumstances.)

Even if some may no longer be available, there should be current
offerings in the list at the link. Perhaps each future entry could be
dated, possibly in the "Motherboard" column, to avoid further
compressing the format?

Erik

-- 
It is wrong for a man to say he is certain of the objective truth of a
proposition unless he can provide evidence which logically justifies
that certainty.
   -- Thomas Henry Huxley


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