Posted By
TLC
on 2011-10-10
14:57:50
|  Re: What happened to Solder of Synergy ?
I can't help you out with Solder's availability (unfortunately; he's a really talented and helpful guy IMHO).
"Integration" of the 256k expansion - do you mean the process of installing an internal 256K expansion by himself (as he used to offer long, long ago), or producing the ram expansion logic on a single card? For the second option: although no wiring and piggy-backing would be needed anymore in that case, installing the expansion still needs lots of desoldering, as the original ram chips need to be removed and sockets be installed.
There's a prototype controller board and some photos, see this thread and this page. I don't offer that card for purchase, yet I can send you the hi-res sch and the last single-sided pcb design files (as seen on the photos) if that helps.
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