On Thu, 22 Apr 2021 00:37:51 +0000, Jan LiE!ka wrote: > Thank you, guys. I solved the problem in the meantime: incorrect pins > on empty slots of VME backplane. So much for the dead chicken. ;) Glad you fixed it! Cheerio, Hauke -- Hauke Fath <hauke at Espresso.Rhein-Neckar.DE> LinnC)weg 7 64342 Seeheim-Jugenheim Germany