Google
 

Trailing-Edge - PDP-10 Archives - BB-K840A-BM_1981 - documents/sps.mem
There are no other files named sps.mem in the archive.
This tape contains the files necessary to install the GIGI SPS V1.0 (Slide
Projector System) package under TOPS-20 Release 4.  The tape is in DUMPER V4 
format.
The procedures outlined in the Chapter 7 of the TOPS-20 Software
Installation Guide should be used when installing this software.

This tape includes sources.