create a shortcut for Hyperlobby, the "target" box, enter:
(Edit the procaff location accordingly)
CPU affinity is inherited from parent processes... if one program starts a second program, that second program will inherit the first programs CPU affinity. So, when you fire up HL (on CPU 1), and it starts Lockon, the CPU stuff is done automatically, and Lockon will also be running on CPU 1.
If you ever want to fire up Lockon by itself (i.e without Hyperlobby), then create a shortcut for Lockon, and in the target box, enter:
(Edit the procaff location accordingly)
The reason why some people use procaff on dual core machines is that it *CAN* cause problems with online gameplay (stuttering)... not on all machines though.