Oh damn that looks like a great idea. Thank you for the pics On Jun 2, 2016 9:23 PM, "Mike Stein" <[email protected]> wrote:
> > ----- Original Message ----- > From: "Mike Stein" <[email protected]> > To: "Model 100 Discussion" <[email protected]> > Sent: Thursday, June 02, 2016 8:45 PM > Subject: Re: [M100] Main rom using 28C256 plcc > > ----- Original Message ----- > From: Brian White > To: Model 100 Discussion > Sent: Thursday, June 02, 2016 7:26 PM > Subject: Re: [M100] Main rom using 28C256 plcc > > On Jun 2, 2016 1:41 PM, "Mike Stein" <[email protected]> wrote: > > > Yes, the option ROM presents some different challenges which I'll leave > you with. A pity that we can't get those funky flexible ROMBO adapters any > longer... > > I think the 28C256 SOIC board is essentially the same as ROMBO/MOMBO. Adam > ("FigTroniX") made it from me showing him pictures of the ROMBO/MOMBO. > Ideally I'd like to get a removable eeprom option working, and get onto a > package that will be more readily available longer than soic, but until > then the soic board works and you can still buy new soic 28c256 from Mouser > at least today. > > ------------ > > I think the MOMBOs were indeed similar to what you're talking about, but > the earlier ROMBOs used a funky dual-sided flexible PCB that wrapped around > the .6 DIP EPROM (or the RAM in this picture of a RAM option ROM): > >
