On 5/16/05, Allison <ajp166 at bellatlantic.net> wrote:
I'll have to look more at all this. However, step
one is to
get the M100 I have up to 32k ram. Then I'll look at how secondary
rom socket space is used. I'd like a configuration that also has
ram at 0000h and maybe a OS in it. I've considered getting
That has been done... I believe what you do is put a RAM in the Option
ROM socket and bring out the necessary signals (/WE I think). Also the
NEC 8201A and NEC 8300 are able to switch to all RAM mode with a short
program.
There was at some point in time a device called a PIC Disk that
allowed you to run CP/M on the Model 100. It connected to the bus
expansion port underneath the M100.
Unfortunately we haven't been able to find anyone with a real live one
and I failed to track down the creator.
-- John.