Re: [midatlanticretro] Jim S...a question
The CRT tube on mine is in the 5"-7" range - quite small. The 5110 was
produced 'long' before the 5150 PC. I've never tried to open mine up so I
have no idea about it's construction. Mine has a printer connector on the
back that uses three (yes, 3) 25-pin D-connecors arranged in a triangle. The
printer "cable" ends with a small box that has the matching connectors with a
thumb screw "bolt" that screws into the computer in the center of the area
bounded by the three 25-pin connectors. The printer weighs nearly as much as
After IBM gave up on this model, the CRT supplier had all these now surplus
tubes that he was willing to sell cheap. So some dude named Osborn bought
them for his portable computer. This is why the original Osborn had such a
small screen and part of the reason the machine could sell for such a low
--- Chris M <chrism3667@...> wrote:
> Dude...no funny characters, keyboard looks somewhat
> similar to a 5150s (and same feel). When I turn the
> thing on, theres a line of characters (ASCII) that
> forms across the center of the screen. Theres some
> kind of OS in rom. This thing, although contemporary
> with the pc, looks like it came out years before. Does
> your motherboard slide out from the left right rear?
> How big is the crt on yours? Infoage had something
> similar, but IIRC an earlier model with a 9inch tube.
> More chores...
> --- email@example.com
> <jscheef@...> wrote:
> > Chris,
> > Wow, for once I get to respond to something "on
> > My machine is a 5110 Model 3. If yours is anything
> else, all bets are off.
> > When you turn the machine on you are in BASIC. There
> is no OS. If your
> > machine has funny characters on the keyboard, then
> your machine has APL in
> > ROM rather than BASIC. Let me know what you find.
> > Jim
> > --- Chris M <chrism3667@...> wrote:
> > > dude...assuming we both have the same unit (the
> > > based IBM tyrannosaurus in your basement), how do
> > > evoke the BASIC interpreter? It supposedly has one
> in rom.
> > >
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