> On Jun 12, 2016, at 20:55, Bruce Ray wrote:
>
> G'day Mark -
>
> Brief notes...
Thanks!
> 4) 4075 TTY baudrate pretty easy to check; usually 4800 or 9600 baud, 7 data,
> even parity, 1 stop bit.
I determined earlier today that I had merely had a brain fart regarding
G'day Mark -
Brief notes...
1) DG part numbers are 005-xx-yy; 107-xx-yy numbers are circuit
board artwork numbers. Unfortunately, there is no standard
cross-reference between the two. Briefly, the part number is the
primary reference to be used because a single 107-xx-yy
Disk testing update:
I have the controller in slot 11 still, and the drive interface cable is
connected to the edge paddle that appears to be wire-wrapped to slot 11. I
haven't tried it in slot 10 using edge connector P4 yet, because I think I
might need to fiddle with the two blue wires (bus
> On Jun 12, 2016, at 00:44, Henk Gooijen wrote:
>
> Just like Mark, it's about time to spend some time on my NOVA3.
> I will be following this with interest!
Yay!
> Were all bulbs on the front panel of your NOVA intact Mark?
> Or did/do you also have dead lamps?
-Oorspronkelijk bericht-
From: Mark J. Blair
Sent: Sunday, June 12, 2016 8:32 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Data General Nova 3 and 6045 Drive Questions
Aha! Now I remember. That Cassette I/O card is mostly unpopulated, and I think it's just
> On Jun 11, 2016, at 22:00, Bruce Ray wrote:
>
> DG Model 6045 disk drive heads 0 and 1 are the removable platter, heads 2 and
> 3 are the 'fixed' platter. As you said, the controller memory address and
> sector/sector/count values are set to 0 by the IORESET pulse, so
DG Model 6045 disk drive heads 0 and 1 are the removable platter, heads
2 and 3 are the 'fixed' platter. As you said, the controller memory
address and sector/sector/count values are set to 0 by the IORESET
pulse, so a read operation (STRT pulse) will start the reading of the
bootstrap into
My Nova 3/12 system has a 6045 cartridge hard drive, with one fixed platter,
one removable platter, and a capacity of 10M. I haven't managed to boot my
computer from it yet, and after a long pause, my Nova 3 is requesting another
time slice of my attention.
I can see in the drive's technical