On Sat, Jan 23, 2021, 11:47 AM Paul Koning via cctalk <cctalk@classiccmp.org> wrote:
> The question was asked (I misplaced the note) if the OS images that are on > the Xhomer website work with David Gesswein's MFM emulator on real hardware. > > You can turn these into emulator data files, provided you have the latest > ext2emu tool that's part of David's software (as of 1/19/2021). The format > needed is "Elektronika_85" which is the Pro format, called that because it > was first added to the emulator as the format found on the Russian bootleg > copy of the Pro of that name. > > Results, on my Pro 380: > > 1. P/OS 3.2: works. > 2. Venix: panic at boot, "Bad access number". That doesn't mean anything > to me. I wonder if the issue is that Venix doesn't support the 380. > The Venix image is special. Venix doesn't support more than 16 sectors per track. You may need to put it on a disk whose geometry is 16spt. Maybe that is why? Venix should support both the 350 and 380. Warner 3. RT-11 5.3: works. > > For grins I tried a smaller interleave factor than the default 5:1, since > it seems reasonable that this should make things go faster on the Pro 380, > given that its CPU is about 4x the speed of the one in the Pro 350. > Somewhat to my surprise this isn't the case; the performance indicates that > at 4:1 or smaller interleave the software misses the next sector and has to > wait for another revolution. > > paul > > >