I am in the market for this option as well, after Al is taken care of if he needs it.
On Mon, Feb 11, 2019 at 1:27 PM Eric Smith via cctalk <cctalk@classiccmp.org> wrote: > On Mon, Feb 11, 2019 at 11:18 AM Al Kossow <a...@bitsavers.org> wrote: > > > Does it have the 800 bpi option board? > > > > I haven't yet unboxed it. I took photos of the outside of the destroyed box > to send to the shipper. The front bottom left corner of the 88780 is > visible through a hole in the box, and is visibly mangled. > > I'll take more photos as I unbox it tonight. > > Based on the service manual, it appears that option 800 requires: > * buffer PCA 07980-6xx14 (512K) or 07980-6xx34 (1M) > * read/write/formatter PCA 07980-6xx31 > > Were there any other hardware changes for option 800? If not, one wonders > why HP documentation is adamant that it cannot be field-upgraded to option > 800. >