On Thu, 12 Aug 1999, Kurt A. Huhn wrote: > One of these Sparcstation 1s has a CPU board with part number > 501145402424 02REV.50 on it. Anyone have any ideas what this is? 501-1454 SUN 4/60 (SS1) TI FLOATING POINT UNIT The (rare!) TI FPU upgrade for the SS1. Pretty worthless nowadays except as a collectors item. -James