[Coco] NitrOS9 driver for Tandy RS232 Pak?
snhirsch at gmail.com
Mon Dec 29 17:50:15 EST 2008
On Mon, 29 Dec 2008, Gene Heskett wrote:
>> Only one respondant mentioned the need to remove the EPROM from the Program
>> Pak. I'd rather not damage the label to extract the case screw unless
>> absolutely necessary. Can anyone confirm that removal of the internal
>> EPROM is, in fact, a requirement under NitrOS9?
> Yes. In fact I am amazed that it is still intact and in place. It may
> already have been removed. IIRC, it contains some sort of a broken, never
> was supported by anybody, autobooting vid-text terminal program. IIRC that
> is, please understand its been 2+ decades and many many such case openings
> for mine.
I'm not seeing an EPROM in this unit. Holding the PCB with the DB25F
connector facing me, there's a 6551 ACIA chip on the right and a 24-pin
chip on the left labeled 'SCM95046P. Is that a masked ROM carrying the
Would like to be sure before warming up the desoldering station!
> Mine no longer has the little tin can power convertor either as it
> smoked itself at least 15 years ago, so mine is rewired and must live in an
> MPI for power purposes. It also has the piggy backed kit which I use for a
> serial mouse now. Sweet. I also used it for a 2nd midi port with ultimuse
> for a while, but ultimuse never grew a recording function, so the mouse won.
What piggybacked unit is this?
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