Experimental Physics and
Industrial Control System

"Allison, Stephanie" <[email protected]> · Wed, 1 Feb 2012 08:38:54 -0800

Hi Vesna,

At SSRL/SPEAR, we had a high failure rate for our MVME6100 boards until we pulled all EMI stripes off our Wiener VME crates.  The boards were repaired by the manufacturer.

Stephanie Allison

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf
> Of Vesna Samardzic-Boban
> Sent: Tuesday, January 31, 2012 10:47 PM
> To: [email protected]
> Subject: mvme6100 HW issues?
> 
> Hi,
> 
> Has anyone experienced HW issues with MVME6100 board (or any other MVME board)?
> 
> Recently we bought our first Motorola/Emerson MVME6100 board.
> It worked fine for about a couple of months but then it would start to show errors and stop
> working (unresponsive).
> As nothing was changed in the HW setup (only that board in the crate, the crate open, the
> fan ok, etc.), and the errors caught on the screen looked like given below, I believe it could
> be a HW fault.
> 
> Some of the errors caught on the screen:
> MVME6100>
> isr: CPU Bus Parity Error
> isr: Reg0x78 = 000001f0, Address = 002d6ab8
> isr: Data High:Low = 00000000:00000000
> isr: Parity = df, Cause = 30000040
> 
> After the screen freezes, it is not possible to enter anything from the keyboard.
> 
> It happens regardless of the way i boot i.e. for both MOTLoad FW (S4 = off on on off) or
> vxWorks (S4 = off off off off).
> 
> I noticed the heatsink on the board is loose and possibly not mounted properly (also would
> get very hot) - so I just sent it back to the supplier/manufacturer.
> 
> Has anyone experienced similar problems with mvme6100 or any other mvme board?
> 
> Regards, Vesna
> 
> 
> Vesna Samardzic-Boban | Senior Controls Engineer | Australian Synchrotron
> p: (03) 8540 4238 | f: (03) 8540 4200
> [email protected] | www.synchrotron.org.au
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System