Hi Eric, here are some answers- REX# provides better mechanical mounting via the Molex adapter, and it includes a redesign that improves reliability. However, I am reducing feature support and one of the removed features is main rom replacement. Original REX uses flash, REXCPM uses SRAM. Flash needs no backup power but SRAM does. SRAM is needed for CP/M operation. cheers Steve
On Tue, Jun 9, 2020 at 2:35 AM Erik van der Tier <[email protected]> wrote: > Hi, > > Looks awesome! I do have some questions. I currently have a ‘legacy’ REX > installed in my 102. I think it is clear that the REXCPM is a definite > upgrade. What improvements would the Rex# bring to an existing REX user? > > I also have a question about the Capacitor and memory protection on the > REXCPM. I was under the impression that the sram used on the original REX > would keep its content even without power (like a flash card). Is this no > longer the case (at least for REX use)? I kind of like this aspect of the > REX as I don’t really have to worry too much about running into battery > problems as long as I keep my ‘backup’ up to date. > > Does the REX#/CPM still allow replacing the OS Rom with an image? > > Anyway, I’m seriously considering getting either the REX# or CPM when it > becomes available for the M102. > > Thanks for keeping these developments coming! > > Cheers, > Erik > > > On 9 Jun 2020, at 01:23, Stephen Adolph <[email protected]> wrote: > > > > Hi everyone, > > > > Just a note to say I am ready to take orders for REXCPM! > > Information is at the REX wiki. > > Model 100 only for now. > > 2MB and 4MB available. > > Pricing is USD excluding shipping. > > > > Note: REX# is delayed as is the VT100 adapter due to mailing delays > from China. > > > > Cheers > > Steve > > > >
