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<== Date ==> <== Thread ==>

Subject: [Fwd: Re: PC-104/Plus as IOC's]
From: "Billy R. Adams" <b.r.adams@larc.nasa.gov>
To: tech-talk@aps.anl.gov
Date: Mon, 17 Mar 2003 15:45:05 -0500
Bob,

     Thanks for the info!
     This is the type feedback that I need.  We were considering
a hardware which used the PCI bus as its interface, but this is
really not a requirement.
     Basically, I am hoping to get experience like yours, so
that I can reduce the number of my mistakes.

     I forwarded your reply-to-me to tech-talk since this could
help other people as well.

Thanks again.

-------- Original Message --------
Subject: Re: PC-104/Plus  as IOC's
Date: Mon, 17 Mar 2003 12:56:58 -0700
From: "Bob Dalesio" <ldalesio@lanl.gov>
To: "Billy R. Adams" <b.r.adams@larc.nasa.gov>

What requirement are you trying to meet that makes you
prefer the PCI bus? Is there a family of I/O in this
format that you prefer?
I worry about putting instrumentation on a computer bus.
If you look at the history of the computer buses, they
last 5 years and then you can no longer buy boards or
backplanes.
I prefer to put my instrumenation in instrumenation buses
- like vme, vxi etc... You can still buy CAMAC modules.
So, I wouldn't change the VXI backplanes out.
If you have I/O boards in them that are not using the VXI
addressing modes, just the VME addressing modes, you could
use the VXI crate as a low noise VME crate and buy any
given VME CPU to put in there.
At SNS, we are using a Motorola 2100 series Power PC in a
VXI crate along with an extender and we are seeing no
problems.
Bob



On Mon, 17 Mar 2003 14:15:01 -0500
  "Billy R. Adams" <b.r.adams@larc.nasa.gov> wrote:
>
>       Is anyone using PC-104 or PC-104+ cards as IOC's?
>Do you recommend them?  Problems?  Advantages?  Sources?
>Any other info on them that you can offer?
>
>       We are considering using these cards to replace
>some
>KineticSystems Corporation Model VXI 195-21 IOC's as part
>of EPICS systems upgrades in the Research Facilities
>Branch
>at NASA-Langley Research Center.  We would like to use
>the
>PC-104+ to get the PCI bus, but perhaps the PC-104 could
>be
>used instead.
>
>Thanks,
>
>Billy Adams    <mailto:b.r.adams@larc.nasa.gov>
>

Bob Dalesio
ldalesio@lanl.gov
410 557 0297 Maryland
505 667 3414 Los Alamos
505 699 1632 Cell Phone
505 667 6087 Our Secretary (Lisa Marie)



--
Billy Adams    <mailto:b.r.adams@larc.nasa.gov>


Replies:
Re: PC-104/Plus as IOC's / PC PCI bus IOC Townsend Zwart

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