Re: //c rom upgrade success!

[mdj <mdj.mdj@gmail.com>]

On Dec 8, 6:21 am, BLuRry <brendan.rob...@gmail.com> wrote:

> Well, the self-test rom routine passes and I can confirm that general
> stuff still works -- I'm sure that any software looking for the ram
> might get confused.

The RAM 'card' shows up as a block/smartport device so ProDOS or
Pascal while booting would initialise it regardless of if its fitted
or not.

Now that I think about it, the 4 I/O locations are probably just
floating on both a pre-memory expansion motherboard, and an expansion
motherboard that has no memory card fitted.

> It would be nice to mod the box to support more
> ram.  What does that entail?  Piggy-backing the MMU and CPU or
> something?  I understand the basics of this but my hardware skills are
> just good enough to summon magic smoke.  :-D  Anyway, I'm just waiting
> in anticipation of SmartPortVHD so I can unleash my drive-less //gs
> and this //c.

Yeah, Applied Engineering's Z-RAM cards did exactly this. I personally
prefer this style of memory expansion to the 'slinky' which is IMO
only easily usable as a RamDisk for most programming.

Matt