Re: Warning - problem with OMS VME-8 motor controllers

[sullivan@oxygen.aps1.anl.gov (Joseph P. Sullivan)]

Re...

> Tim Mooney and I have found that the latest batch of Oregon Micro Systems
> VME8-8 motor controllers hang the entire VME crate. This is true of 4 out of 5
> boards, so is likely a design problem, not an isolated failure.
> 
> OMS does tests at the factory, but the problem may be that they have not
> tested them with the MV167 CPU boards we use. It may be a timing problem.
> 
> The problem is under investigation. Users would be well advised not to order
> any new VME8 boards until the problem is resolved.
> 

Oregon Micro Systems says they have solution in hand for this problem. 

Five copies of the latest revision to a VME Bus logic PAL is being shipped to 
ANL tonight and we should be able have them tested by friday. 

	Joe