Try
https://www.crystel.com/pdp/sc03/
--Bjoren
On 10/5/25 8:05 AM, Zane Healy via cctalk wrote:
> 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
athttps://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
>>