Interesting RK8E fault

Tony Duell ard.p850ug1 at
Sun Dec 9 08:02:44 CST 2018

On Sun, Dec 9, 2018 at 6:50 AM Josh Dersch via cctalk
<cctalk at> wrote:

> If anyone has any insights into the inner workings of the RK8E (in
> particular the CRC circuit, since it's used to compare the on-disk cylinder
> address stored in the header with the cylinder selected by the RK8E's
> address register) please let me know.

It's also worth reading chapter 11 in volume 3 of the PDP8/e (etc) maintenance
manual. In particular section etc. It's page 11-92 (page
430 of the ,pdf
on bitsavers).


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