Hi... In rtems/c/src/lib/libbsp/shared/vmeUniverse/vmeUniverse.c On line 1462 is: if ((pci_addr & 7) != (vme_addr & 7)) { uprintf(stderr,"vmeUniverseDmaStartXX: misaligned addresses: (pci_addr & 7) %08x, (vme_addr & 7 ) %08x \n",(pci_addr & 7 ),(vme_addr & 7 )); return -1; } Does anyone know what this is for? L.