$NetBSD: README.IPn,v 1.2 2000/06/16 04:15:39 soren Exp $

Arch (kernel)	Models
-------------	------
IP2		IRIS 3000
IP4		4D/50, 4D/70
IP4.5		4D/60, 4D/80, 4D/85
IP5		4D/1x0
IP6		4D/20
IP10 (IP6)	4D/25
IP7		4D/2x0
IP9		4D/210
IP13 (IP7)	4D/3x0
IP15 (IP7)	4D/4x0
IP12		4D/30, 4D/35, Indigo R3K
IP17		Crimson
IP19		Onyx, Challenge M/L(/XL?)
IP20		Indigo R4K
IP21		Power Challenge, Power Onyx 
IP22		Indigo2 ("Fullhouse")
IP24 (IP22)	Indy ("Guiness"), Challenge S 
IP25		Power Challenge R10K
IP26		Power Indigo2 R8K ("Teton")
IP27		Origin 200, Origin 2000, Onyx2
IP28		Power Indigo2 R10K ("Pacecar")
IP30		Octane
IP32		O2 ("Moosehead")
IP35		SN1 (?)