PAL on CDU-700 / 710 Unibus disk controllers
Ian Finder
ian.finder at gmail.com
Wed Apr 27 12:19:48 CDT 2016
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
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