On Wed, Jul 8, 2015 at 2:24 PM, Clem Cole <[email protected]> wrote: >> > Definitely try a different disk. UNIX device drivers do not use the >> > hardware the same way that VMS drivers do. >> >
My words, I think... >> The VAX 750 UBA Buffered Data Path CSRs hadn't been implemented in the >> original VAX 750 simulator and Matt's testing probably only was done on VMS. > > I'm amaze it was not found by now. Amazing.. I'm not surprised at all. It just took a case to expose the difference and some persistent sleuthing. Well done, all! >> >> They are now implemented and Ultrix boots just fine. > > Thank you!! Yes, indeed. Thanks to all who put some work into this. Next: why doesn't the RB80 boot 4.3BSD on a 11/730? (if anyone wants to tackle it, I'm happy to share my findings to date. I hit a wall due to my own limitations of understanding of the original hardware). -ethan _______________________________________________ Simh mailing list [email protected] http://mailman.trailing-edge.com/mailman/listinfo/simh
