PAL on CDU-700 / 710 Unibus disk controllers

Glen Slick glen.slick at
Tue Apr 26 17:12:06 CDT 2016

On Apr 26, 2016 3:04 PM, "Ian Finder" <ian.finder at> 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.

Regardless of what the spec sheet does or does not explicitly say, I think
when I selected that device in the BPWin device programmer software there
was an option to protect the device after programming. I'm mobile now, I
can check that later.

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