Taken from disktab:

#
#  Disks on RQDX Q-bus controllers
rd52|RD52|DEC RD52 on Microvax:\
	:ty=winchester:ns#18:nt#7:nc#480:\
	:dt=MSCP:\
	:pa#15884:oa#0:ba#4096:fa#1024:\
	:pb#9766:ob#15884:bb#4096:fb#512:tb=swap:\
	:pc#60480:oc#0:bc#4096:fc#512:\
	:pg#34830:og#25650:bg#4096:fg#512:\
	:b0=rdboot:
#
rd53|RD53|DEC RD53 on Microvax:\
	:ty=winchester:ns#18:nt#8:nc#963:\
	:dt=MSCP:\
	:pa#15884:oa#0:ba#8192:fa#1024:\
	:pb#33440:ob#15884:bb#4096:fb#512:tb=swap:\
	:pc#138672:oc#0:bc#4096:fc#512:\
	:pe#33440:oe#0:be#4096:fe#512:\
	:pf#105232:of#33440:bf#4096:ff#512:\
	:pg#89348:og#49324:bg#4096:fg#512:\
	:ph#122788:oh#15884:bh#4096:fh#512:\
	:b0=rdboot:


On Thu, 31 Jul 1997, Allison J Parent wrote:

> What is a suitable edlable for-
> 
> RD53
> 
> RD52
> 
> Is there a reference out there for this.
> 
> Allison
>