PS/2 model 70
From Computer History Wiki
					
										
					
					
| IBM PS/2 model 70 | |
|  An IBM PS/2 model 70 | |
| Manufacturer: | IBM | 
|---|---|
| Year Introduced: | 1987 | 
| Word Size: | 32 bit | 
This is the 32bit, MCA desktop model.  While it looks identical to the PS/2 model 50, this includes an i386 CPU, like the PS/2 model 80.
Reference disks for this model can be found here.
There is a great teardown site here.

