A web-page I found over the weekend said M27512-2, but right now i cannot find it. Several sources say 256KB PROM, and the photos show 4 EPROMs, which is consistent with 64Kx8-bit. I have to dash now, more in a few hours. On Monday, September 20, 2021, 02:24:51 PM PDT, <dave.g4...@gmail.com> wrote: Do you know what type of ROM/PROM is needed
Dave > -----Original Message----- > From: cctalk <cctalk-boun...@classiccmp.org> On Behalf Of Jonathan Stone > via cctalk > Sent: 20 September 2021 20:02 > To: cctalk@classiccmp.org; port-...@netbsd.org > Subject: Burnable, patched Microvax-2000 SCSI-boot EPROM images? > > I recently rescued two Microvax-2000s but both have dead RD53s. Does > anyone have a ROMable image of the Microvax 2000/Vaxstation 2000 boot- > PROM patches from Wolfgang Moeller > at http://ftp.gwdg.de/pub/vms/pk2k/ ? I'm looking to install NetBSD, not > VMS and I don't have any VMS systems on which to run PATCH. Microvax > 2000 specs say it can sustain 3.3MB/s I/O, which has to be via the SCSI > interface. So a SCSI emulator should be significantly higher performance > than an MFM drive (either 30+ year old drive, or emulator). > > Web-searching shows a Sean O'Banion has burned the PROMs successfully; I > haven't yet found other names. > If someone is willing to burn at least one set of EPROMs for me, I'd pay for > the service (either ship EPROMS, or pay for them). > >