Re: -Hard-Drives w/vulcan?

["brad" <mrbrad(remove)@ll.net>]

ok....this may still be mangled..but an improvement chip 1 is fixed (had a b
rather then 8)

and maybe now info should be under each chip

what the heck can't be any worse then last post

brad



"> > anyway...from the vague .jpgs i uploaded...what is on the card
...listed
> > from     top left   to right format
> >
> > DIP SWITCH
> > (all 1-5 all set to off)                  chip 1               chip 2
> >                                                  P8424
74F04 PC
> >                                       DM74LS86N             8419
Indonesia
> >



             chip3               chip 4                      chip5
chip 6
> > PAL12H6CN       F                          842200                842200
> > 718241                74LS175 PC        M74ALS00AP    M74ALS00AP
> >                             8040 Indonesia
> >
> > Labeled CGL Microsystems @ 1985    Rev. A
>
> Yowch!  Try switching to a monospaced font when attempting columns--
> those are pretty mangled.
>
> Still, the info is there...and a little disappointing, since there's a
> PAL that will make reverse engineering much harder.
>
> Chip 1 is an 'LS86 (not B6).  All pretty standard stuff except for the
> PAL, but an interesting mix of logic families!  The card must be gating
> and buffering some signals while trying to delay them as little as
> possible.
>
> > anyway i'll send of the .jpg's that i have so far and will get the card
to
> > bill g. and he can make some better .jpg's hopefully for public viewing
on
> > his or upload them to some other site that could do so
> >
> > now ...i also have a Vista 5 carosel floppy drive (5 hd 5.25 floppies in
a
> > cartridge) to make a physical equiv to an 8" disk drive (like 1.2 meg or
> > some such) anyone nuts enough to want to tackle that (come on people i
got
> > prob 12 more just as wierd around here....lobo 8" controller card for 8"
> > drives.....b-sider tape backup ...the list goes on)
>
> I have one of the Vista drives, but no controller.  I didn't have any
> of the specially slotted floppies for it, but I made a couple out of
> standard ones just to try out the changer mechanism--Rube Goldgerg, but
> it works.  ;-)
>
> -michael
>
> Music synthesis for 8-bit Apple II's!
> Home page:  http://members.aol.com/MJMahon/
>
> "The wastebasket is our most important design
> tool--and it is seriously underused."