[Coco] OS9 68K, MM/1 software and questions
zippster278 at gmail.com
Tue Dec 29 12:42:56 EST 2015
Well, it tries to boot from floppy first, if it doesn’t find a boot disk there
it goes to the hard drive.
> On Dec 29, 2015, at 11:06 AM, David Ladd <davidwladd at gmail.com> wrote:
> On Tue, Dec 29, 2015 at 7:44 AM, Zippster <zippster278 at gmail.com> wrote:
>> Well, we have the ROMS in this machine, which I’ve backed up already,
>> those would be for the original configuration with the cpu board, IO board
>> (SCSI HD),
>> and original Minibus.
> Ah ok so then it would require it to boot off of the floppy first before
> switching to the HDD.
>> Does the ROM upgrade for the 2.0 Minibus include support for a larger
>> than 256MB HD?
> Well OS-9/68K could handle larger hard drives. The boot ROM that was
> setup for booting off of HDD's would only boot off of cluster size 1
> HDD's. So only the boot volume was limited to 256MB. Though at the time I
> never had anything that large back then anyway so never bothered me.
> Now sadly the format utility that came with the version of OS-9/68K with
> the MM/1 you could not specify the size of the drive to format. Even if
> you used dmode to change the size of the descriptor it always formatted
> the drives max capacity.
>> I also have the files “MM1BOOT.BIN” and “MM1MB.BIN” which I guess are
>> probably the eproms for a CPU board only configuration (1MB & floppy only).
>> - Ed
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