----- Original Message -----
From: "Ethan Dicks" <ethan_dicks@yahoo.com>
To: <cbm-hackers@cling.gu.se>
Sent: Monday, September 17, 2001 11:42 PM
Subject: D9090 (was Re: VIC-1001 ROM sighting)
> It's a simple one - four chips - two IEEE line drivers (TI 75xxx series),
> a VLSI I/O chip (6522, ISTR) and a ROM. I remember reverse engineering
> it when I got it years and years ago, and I think there's a little extra
> work involved in twiddling the I/O lines compared to the original CBM GPIB
> design, but it should be *about* the same speed - 4Kb/sec IIRC.
Can I find, on FUNET, schematics of the board and a dump of the ROM for
buiding one?
> Luck had little to do with it. I picked up a few broken drives years ago
> for hundreds of dollars. Between sending HDAs out for repair ($70 each!)
> and a little minor troubleshooting, I got stuff working.
It will be great for me to have one of them but, unfortunately, they aren't
so common in Italy and I, being a poor High School student, haven't lots of
money to spend for them...
____
/ ___|____ Daniele Gratteri, Italian Commodore and Amiga user / /
| | |___/ E-MAIL: daniele_gratteri@inwind.it / /
| |___|___\ URL: http://utenti.tripod.it/danielegratteri \ \/ /
\____| IRC: FIAT1100D - ICQ: 53943994 \/\/
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