Re: [Emc-users] How about a 1Ghz PIII for 2 axis?

2013-05-02 Thread Gregg Eshelman
--- On Wed, 5/1/13, Rando Sauvage rando.sauv...@gmail.com wrote:

 From: Rando Sauvage rando.sauv...@gmail.com
 Subject: Re: [Emc-users] How about a 1Ghz PIII for 2 axis?
 To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 Date: Wednesday, May 1, 2013, 6:09 AM
 Hi,
 
 I don't know this model. However, I am running LinuxCNC
 2.4.7 on a PIII 1GHz with 640MB of RAM and a 100MHz FSB (intel 440BX
 chipset).
 
 I run a 3 axis machine and I can confirm it works out of the
 box. I don't remember latency values, but I never get latencies
 problems. 
 Maximum speed is set to 2600mm/min (not the limit that I can
 achieve, just the speed I wanted)

I don't need extreme speed for an oxy-acetylene torch, so the performance of 
this Dell ought to be good enough.

There's only one faster Socket 370 CPU, the Pentium III 1.13 Ghz. A bit better 
than that is the Pentium III S 1.13 Ghz with 512k cache instead of the normal 
256k of the Socket 370 CPUs. There are some of the 1.13 Ghz chips in lots of 
several on ebay, also some pairs of the S version pulled from servers. Not 
really worth the $ for such a minor speed bump.

Better would be a Tualatin core CPU with Coppermine adapter. Can't just drop it 
in even though it fits because Intel changed voltages and moved some pins 
around, just like they did from the version prior to Coppermine.

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Re: [Emc-users] How about a 1Ghz PIII for 2 axis?

2013-05-02 Thread yann jautard
I use a PIII 700MHz with 1G ram for my 3 axis gluing machine, run 
smoothly the 3 stepper axes trough // port, and a bunch of 
ladder/sequential logic to control the glue nozzle.

Powerfull enough to play streaming music from internet while running the 
machine :)


Le 01/05/2013 00:49, Gregg Eshelman a écrit :
 Picked up a Dell  Dimension L100R for free. Has parallel and serial ports, 1 
 Ghz Socket 370 PIII with 512K cache (better than the 256K version) and will 
 have 512 meg PC133 once I find another 256 meg stick it likes. I have a 
 couple it sees as only 32 meg. (512 is max for this model.)

 I put an 80 gig hard drive in, have a CD-RW to replace the CD-ROM and need to 
 find a PCI video card instead of using the built in video that cuts out a 
 hunk of main RAM.

 This is a tiny little box, couldn't get much smaller without squeezing it 
 sideways and putting the optical drive in on edge.

 For the big plasma table I have a mpc ClientPro 365. Much more muscle to it 
 so it'll be able to handle XP + Mach3 and run the CAD and other software. All 
 the little Dell will be doing is running LinuxCNC on the torch arm.

 Going to try and get Ned to go on a shopping trip to get components for that 
 when he gets back from Utah. Found a surplus shop that has 4040 T-slot 
 extrusion for $2.49 a foot, plus various sizes of cable carrier and plenty of 
 other good stuff. I want to get that torch going first to cut some pieces for 
 the big table's gantry.

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 Get 100% visibility into your production application - at no cost.
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Re: [Emc-users] How about a 1Ghz PIII for 2 axis?

2013-05-01 Thread Rando Sauvage
Gregg Eshelman a écrit :
 Picked up a Dell  Dimension L100R for free. Has parallel and serial ports, 1 
 Ghz Socket 370 PIII with 512K cache (better than the 256K version) and will 
 have 512 meg PC133 once I find another 256 meg stick it likes. I have a 
 couple it sees as only 32 meg. (512 is max for this model.)

 I put an 80 gig hard drive in, have a CD-RW to replace the CD-ROM and need to 
 find a PCI video card instead of using the built in video that cuts out a 
 hunk of main RAM.

 This is a tiny little box, couldn't get much smaller without squeezing it 
 sideways and putting the optical drive in on edge.

 For the big plasma table I have a mpc ClientPro 365. Much more muscle to it 
 so it'll be able to handle XP + Mach3 and run the CAD and other software. All 
 the little Dell will be doing is running LinuxCNC on the torch arm.

 Going to try and get Ned to go on a shopping trip to get components for that 
 when he gets back from Utah. Found a surplus shop that has 4040 T-slot 
 extrusion for $2.49 a foot, plus various sizes of cable carrier and plenty of 
 other good stuff. I want to get that torch going first to cut some pieces for 
 the big table's gantry.


Hi,

I don't know this model. However, I am running LinuxCNC 2.4.7 on a PIII 
1GHz with 640MB of RAM and a 100MHz FSB (intel 440BX chipset).

I run a 3 axis machine and I can confirm it works out of the box. I 
don't remember latency values, but I never get latencies problems. 
Maximum speed is set to 2600mm/min (not the limit that I can achieve, 
just the speed I wanted)

Hope it helps,
Xavier

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Re: [Emc-users] How about a 1Ghz PIII for 2 axis?

2013-04-30 Thread Kent Reed
On Apr 30, 2013 6:56 PM, Gregg Eshelman g_ala...@yahoo.com wrote:

 Picked up a Dell  Dimension L100R for free. Has parallel and serial
ports, 1 Ghz Socket 370 PIII with 512K cache (better than the 256K version)
and will have 512 meg PC133 once I find another 256 meg stick it likes. I
have a couple it sees as only 32 meg. (512 is max for this model.)


Gregg:

First things first. Have you run the latency test on this box? I seem to
remember getting disappointing results on this or a very similar sounding
Dell model (it wasn't mine so I can't check now). I don't see it listed in
the table on the Wiki, though. That could mean my memory is faulty or it
could mean I didn't think the results interesting enough for such an old
system to bother to report. For your sake I hope it's the former.

Regards,
Kent
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Re: [Emc-users] How about a 1Ghz PIII for 2 axis?

2013-04-30 Thread Chris Radek
On Tue, Apr 30, 2013 at 03:49:00PM -0700, Gregg Eshelman wrote:

 Picked up a Dell  Dimension L100R for free. Has parallel and
 serial ports, 1 Ghz Socket 370 PIII with 512K cache (better than
 the 256K version) and will have 512 meg PC133 once I find another
 256 meg stick it likes. I have a couple it sees as only 32 meg.
 (512 is max for this model.)

I bet it will work great if you can find RAM for it.  I have a dual
PIII-1000 with 640MB of RAM that I used for a long time, both before
and after we had SMP support, and it had excellent latency and was
plenty fast enough.  Mine has lucid on it now -- you could even use
the hardy install if lucid doesn't work or if it seems to want to
swap a lot.

Chris

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