[Coco] Nitros9 boot fails with HDB DOS in rompak

[chawks at dls.net]

On Thu 10/10/13  8:41 AM , "Luis Antoniosi (CoCoDemus)" retrocanada76 at gmail.com sent:
> Here is my typing tutor rom pak before I getting rid of this ROM and
> placing a machined socket on it :)
> 
> https://twitter.com/RetroCanada76/status/323523216851206145/pho
> to/1/large
> 
> On Thu, Oct 10, 2013 at 9:24 AM,  > wrote:
> >
> >
> > On Thu 10/10/13  8:01 AM , Charlie Pelosi chaspe
> losi at outlook.com sent:> > Thanks for the reply.
> > > You can use your HDB-DOS rompak (no MPI)
> and boot The King's Quest 1 disk> > image? (Any Nitros9 image
> really)> > Mine seems to work fine too, until I try to
> boot a Nitros9 image.> >
> > > 27C64 is what I am using. Typing tutor is
> an older rompak? The ones I'm> > using are coco 3 specific. All the older
> rompaks I open have a black blob> > on the PCB and not a 28 pin chip. I'm not
> sure of any other roms paks> besides
> > > the later ones that have a 28 pin
> chip.>
> >     That's a good trick! The only ROMs I've seen
> in an official Tandy/RS> ROMPAK
> > are _24_ pin!
> > (and so are ALL the disk controllers) See the
> "Color Computer Technical> Reference
> > Manual".
> >  Are you using an adapter or jumper wires (or a
> 24 pin 4k ROM)??>

    Thanks Luis! I've never seen a 28 pin (small board) ROMPAK before. All the
ones I have (not many) have 24 pin ROMs (and a place for a second one). 'Course
I've only had a CoCo since Oct of 1980...

Chris