Need help identifying these boards: Can anyone tell me which systems these go to?

AD AXS (P, P) A16B-1210-0420/05B
ROM A16B-1200-0150/01A has 12ea M51 chips
ROM A20B--0008-0480/02A has 24ea chips labeled 902- xxx - K
CRTC/PUNCHER A20B-0008-0430/05A
PMC-M A16B-1211-0901/12B
BASE1 A16B-2200-0471/02A Has 1 chip 9030 001N; A212-xxxL and 2 chips 4045-0001C and 0002C also labeled P39
BASE1 A16B-2200-0131/16B (has no chips installed in any 11 sockets) also labeled P1D
MMC Interface A16B-2200-0240/02A also labeled P2E
A16B-1212-0222/02A also labeled I/O C5

I'd like to know which systems these go to.