Now available on Bitsavers... https://bitsavers.org/pdf/emulex/PD9951002A_Emulex_Disk_Capacity_Patches_to_DEC_PDP-11_Operating_Systems_198303.pdf
On Sun, Oct 5, 2025 at 10:02 AM Christopher Zach via cctalk <[email protected]> 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 >
