More recently, you'd probably find engineers favoring parts like the LM301 or '324 op-amps, the NE555 timer, and the uA7805 3-terminal regulator (and you can substitute the prefix for your favorite ...

Shown here is a 1.5 Megabytes Horizon Ramdisk 3000, with RAMBO board installed. All chips are socketed except on the RAMBO board. Previous versions of this board may look differently. Also, different ...