On Fri, 12 Jul 2019 23:41:13 +0200 Johnny Billquist <[email protected]> wrote:
> On 2019-07-12 23:36, Bob Eager wrote: > > On Fri, 12 Jul 2019 11:59:49 -0700 > > Mark Pizzolato <[email protected]> wrote: > > > >> On Friday, July 12, 2019 at 11:27 AM, Johnny Billquist wrote: > >>> As far as I am aware, it was only some models in the 3100 series > >>> that used the shorter SCSI commands in the boot rom, which caused > >>> issues with the boot disk. However, I'm not sure that exact thing > >>> is the problem. You might very well have some display issues that > >>> pop up in the boot monitor, even though the system will boot > >>> perfectly fine from a larger disk. > >> > >> On the older VS3100 systems (without large disk boot support), > >> things would boot fine on larger disks as long as the pieces of OS > >> code that are loaded in the early stages of the boot all happen to > >> be located early enough in the disk drive. Since you can't > >> guarantee that all the needed files would be located early in the > >> drive large disks were "not bootable". > > > > I fixed this by making the disks artificially smaller (by changing > > the firmware tables on the disk). > > But then I assume the disk appeared smaller also at later stages. > Essentially you got yourself a smaller disk. Indeed. I only did it for the boot drive, of course. And has external disks too. _______________________________________________ Simh mailing list [email protected] http://mailman.trailing-edge.com/mailman/listinfo/simh
