PDP-12/10 Features:
6 Sense Switches				DONE
12 Sense Line Inputs				DONE
16 AD12 Channels, 8 with Knobs			DONE, no attach yet
6 DR12 Relays					DONE, no attach
1 DB12 Serial Port

PDP-12/20 Features:
VC12 Display Controller and VR14 Display	Started
KP12 Automatic Priority Interrupt
TC12 LINCtape Controller w/2 units.

PDP-12/30 Features:
Addition 4K (non-issue)
KW12-A Real Time Clock

PDP-12/40 Features:
FPP12-AP Floating Point

PDP-12/LDP Features:
DM12 DMA MUX
AIP12-A 4-8 12-bit A/D Channels