Macintosh PowerBook 150
The PowerBook 150 was introduced in July 1994 and discontinued by October 1995. It was designed to be a mid-level laptop like the PowerBook 140/145 models.
The PowerBook 150 uses a Motorola 68030 clocked at 33MHz. There is no math co-processor in this model.
The PowerBook 150 includes 4MB RAM onboard, expandable to 36MB (single memory slot).