[Coco] OS9 68K, MM/1 software and questions

[Zippster]

Well, it tries to boot from floppy first, if it doesn’t find a boot disk there
it goes to the hard drive.

- Ed

> 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
>> ​<cut>
>> 
> 
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