4 Apr
2007
4 Apr
'07
7:31 p.m.
On 4/4/07, Jay West <jwest at classiccmp.org> wrote:
Ok, is there a known severe RFI problem with mounting
a RX02 directly on top
of a RL02 in an H960???
I do not know of one - IIRC, we used to do that often, 20 years ago,
but it's entirely possible that it's an issue in your case. Do you
have another set of drives to experiement with? Perhaps it's not
_all_ RX02 and RL02 drives, just the particular ones you have right
there. Can you rig up some sort of RFI shield and slide it between
the drives when you are showing the fault? What about if you set the
RL02 on the ground, then raise and lower the RX02? Obviously, there'd
be a risk of cable flextion, potentially tainting your experiment, but
if, as you describe, front-to-back movement causes the problem to
reliably appear and disappear, cable flexion may not be your problem.
One thing to check is the RL02 cable itself. I've seen a lot of
flex-damaged cables over the years. If you have a different drive
cable, I guess I'd probably try replacing that first and attempting to
reproduce your now-documented behavior. Broken-down sheilding might
even be contributing to your problem.
Good luck with your sleuthing.
-ethan