Thanks to all those who answered and so quickly too:
Larry, John, Ram, Will, Tom, Bob, Gwen, Alan, Paul, Brian
consensus was
consvar -v -l should do it, but only on later editions of 4.0 and 5.
take a look at /var/adm/messages or
/usr/sbin/dia -R -i osf=300 | grep "Firmware revision"
/usr/sbin/uerf -R -r 300 | grep "Firmware revision:"
Graham Charley
ABCDef - Sap Basis
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Received on Mon Sep 25 2000 - 16:24:41 NZST