[cctalk] Re: Emulex SC03 disk capacity patch manual scanned

URL not found. Zane > On Oct 5, 2025, at 8:02 AM, Christopher Zach via cctalk <cctalk(a)classiccmp.org> wrote: > > Hi all! > > I noticed that while the Emulex SC03-B1 manual is on Bitsavers, the instructions for how to patch and use this board on a 22 bit Q Bus system are not. In the manual it says to "Write emulex". > > Fortunately I did 40 years ago and I have the "Emulex Disk Capacity Patches to DEC PDP-11 Operating Systems" manual which is now scanned and online at https://www.crystel.com/dec/sc03 > > Emulex document ID is PD9951002 Rev A, March 1983. Covers Rsx11M 3.2, 4.0, RSTS/E, and M+ versions at that time. > > Every page is scanned as a 300 DPI TIFF image, and there is a PDF version of the whole manual as well. > > Apparently they use the RH70 Unibus driver (which supports 22 bit without the unibus map) and then change a few bits to make it work on Q Bus. > > Enjoy and bitsavers owner please stick this in your archives as well. > > Chris >