1771 floppy controller questions

From: Tothwolf <tothwolf_at_concentric.net>
Date: Mon Nov 26 20:38:11 2001

On Fri, 23 Nov 2001, Don Maslin wrote:
> On Fri, 23 Nov 2001, Tothwolf wrote:
> > On Thu, 22 Nov 2001, Tony Duell wrote:
> >
> > > > At the time I thought the particular lead might have not been used, and or
> > > > someone damaged it when installing the chip. I had never seen a chip with
> > >
> > > IIRC, the DRAMs in the model 3 are 16K * 1 4116s or similar. All the pins
> > > are used on these chips. If a pin is missing, then you are going to have
> > > problems...
> >
> > I wonder if it would be worth soldering a new pin to what's left of that
> > chip's lead? It looked like it had just corroded off, but with no other
> > signs of moisture, I was kinda puzzled.
>
> Why not? You might want to checkout the socket pretty thoroughly,
> though.

I didn't see any damage when I originally looked at it, but I will double
check it before I plug in a repaired/replacement chip.

-Toth
Received on Mon Nov 26 2001 - 20:38:11 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:34:12 BST