Caches, scratch drives for compilation or whatever other disk intensive process you had, etc.
Heavy industrial models were the ancestors of today's all-flash SAN arrays, later common in hybrid ram+flash. RAMsan was one of the major vendors.
Heavy industrial models were the ancestors of today's all-flash SAN arrays, later common in hybrid ram+flash. RAMsan was one of the major vendors.
The contents were persistent, through battery storage + UPSes etc.