I have a 5000/25 with rev 2.0m PROM, and it's not happy with an r4k
daughtercard. What's the minimum PROM version that will support the
r4000 daughterboards on a 3MIN and MAXINE?
Anyone got salvage PROMs from a dead motherboard, or got
5000/{20,25,33} DECstation PROMs they'd consider swapping?