PAL on CDU-700 / 710 Unibus disk controllers

[Ian Finder]

It is most certainly PLS

On Tue, Apr 26, 2016 at 6:00 PM, Glen Slick <glen.slick at gmail.com> wrote:

> On Tue, Apr 26, 2016 at 3:04 PM, Ian Finder <ian.finder at gmail.com> wrote:
> > The spec sheet from the PAL mfg. (signetics PLS173) seems to indicate
> > security fuses aren't an option on the model on my board. I have not
> > actually tried yet.
> >
>
> A PLS173 does not have a security fuse.
> A PLUS173 does have a security fuse.
>
> On my CMD CDU-720/M there are some PLS173 parts, but the CSR decode
> PAL is a PLUS173 part, so I assume it is secured.
>
> Double check whether the CSR decode PAL on your CDU-710 is a PLS173 or
> a PLUS173.
>
> -Glen
>



-- 
   Ian Finder
   (206) 395-MIPS
   ian.finder at gmail.com