All, Took some fiddling with boards and a firm kick to the monitor, but... we haveth resulths. Setup: Server1: VAXserver 3100, OpenBSD/vax V3.1 Server2: VAX 4000-100, OpenSD/vax V3.1 Client1: VAXstation 3100-M38 [SPX], VR219-D3 Client2: VAXstation 3100-M76 [SPX], VR219-D3 Server2 is the boot server which runs [my version of] MOPD, and which is the load host here for the VAXlab network. It has no probs booting the terminal servers, DECnis 600, the VXT2000's and all VAXen I have. When booting the M76 with the VXT (V2.1) load image, nothing happens after the load image has been loaded. In other words, it dies when started. When loading the M38... _it_works_ ! The VXT software "detects" a VT1300 with SPX and 16MB, and happily runs. So.. heh. Now, to find out what is happening with the M76... --fred