Symbolics sold an only minor improved CADR as their "LM-2" in small quantities. The CADR wasn't really something one would sell to customers, since it was diffi

Symbolics sold an only minor improved CADR as their "LM-2" in small quantities. The CADR wasn't really something one would sell to customers, since it was difficult to produce and maintain. The next generation then started with the 3600, which was a larger improvement (including its 36bit architecture).