[SunRescue] Ram for Sparc Classic?

[User Bobkeys BSD Bob the old greybeard BSD freak]

In the pursuit of chasing a sol8 machine for home play, as opposed
to the SS5 and SS10 in the office, I picked up a five buckeroo
Sparc Classic, in todays MooU surplus diving pit feeding frenzy.
Alas, no ram in the critter.

What ram works in the Sparc Classic?

Will Ram from the IPX work, or the SS4/SS5 machines?

Will PeeCee ram work?  I have gotten PeeCee ram to work on the IPX
with the luck of the draw.

Thanks

Bob