I don't know anything about these boards that you don't, but since the name is
hard to read, do you suppose that that "RONAN" board could be from KONAN? They
made disk controllers. Is there enough stuff to suggest it's a disk controller,
e.g. PLL components?
Dick
----- Original Message -----
From: "Tony Duell" <ard_at_p850ug1.demon.co.uk>
To: <classiccmp_at_classiccmp.org>
Sent: Sunday, July 22, 2001 4:53 PM
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
>
>
Received on Sun Jul 22 2001 - 20:24:35 BST