Apple ][ boards -- what have I found?

-----Original Message----- From: owner-classiccmp(a)classiccmp.org [mailto:owner-classiccmp@classiccmp.org]On Behalf Of Tony Duell Sent: Sunday, July 22, 2001 3:54 PM To: classiccmp(a)classiccmp.org Subject: Apple ][ boards -- what have I found? This didn't go out the first time for some reason.... I spent the afternoon digging in one of my many piles of computer bits, looking for some HP9825 calculator interfaces. I found the interfaces, and I also found some other stuff, including some Apple ][ boards. Not being an Apple ][ expert, I'm not sure what some of them are, so I'm asking here. I doubt I've found anything particularly interesting, though. I'll give details of any identifying labels on the boards, and the main chips used. Memsoft TC2E0260. This board looks hand-soldered, and some components are missing. It's got a 6850 (ACIA), MC3486, MC3487 (Buffers), and TTL glue on it. And space for a 2716 EPROM. Advanced Text Systems P.001. Contains a 6520 (PIA), 2 off 7416 (buffers). There's a DB25 connector on the end of a short length of ribbon cable. Mountain Computers ROMwriter. Clearly an EPROM programmer, with a 24 pin ZIF socket. I found 2 of these boards. Prog RWP. Another EPROM Programmer, this one has a 28 pin ZIF socket. Also an 8255 (Parallel chip), EPROM, PSU components (to get the Vpp line, I guess). ICE Apple Cold Boot Adapter. Contains 6116 RAM, EPROM, TTL glue, and a 26 pin header ICE Multiplexor (sic) Host Adapter. 6116 RAM, EPROM, TTL, 20 pin header Ronan Corp. I can't find a number on this board, and the name is almost unreadeable. This is not an Apple ][ card, but it was with the above 2 boards and may have something to do with them. It contains a Z80, EPROM, 1K RAM (2*2114), SCX6225 (ASIC/gate array? It's in a PLCC package). There's a 26 pin header (host?) and a 34 pin + 2*20 pin headers (ST506 hard disk??). There's also a disk-drive like power connector. Orange Micro Buffered Grappler+. This looks to be a printer interface/buffer and contains 64K DRAM, EPROM, Microcontroller, TTL glue, and has a 26 pin header (to the printer?) Apple Synch Printer Interface Card. I think this is the Silentype interface. Apple PC Link Interface. Contains an EPROM, M58725, TTL glue and buffers. Also a 20 pin header. Does anybody recognise any of those boards and can tell me more about them? -tony