Re: A couple of PET drive problems...

From: Bryan Pope (
Date: 2007-03-20 18:29:27

And thusly were the wise words spake by Ethan Dicks
> On 3/19/07, William Levak <> wrote:
> > On Mon, 19 Mar 2007, Bryan Pope wrote:
> > > 1. I have a 4040 that when powered up the LEDs blink nine times...
> >
> > Common RAM $4000-43FF is 2 2114's at UF4 and UF5.
> For those that don't already know, the 2114 is a part that's quite
> famous for failing, moreso than any other RAM chip I can think of.
> It's probably worth pulling both of them and replacing them with
> high-quality machined-pin sockets to facilitate chip replacement down
> the road.  Yes, sockets are less reliable than solder joints, but the
> long-term risk is damage to the mainboard, and I think it's a greater
> risk than sockets.  I would _not_ use cheap sockets vs solder.

Would these machined pin IC sockets be good?:



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