Figure A–4 I/O Physical Address Space
Main Memory
(512−Mbytes, 30−bit)
Unsupported Memory
(1−Gbytes)
B Cache Tags
(1−Gbytes)
Unsupported Memory
(512−Mbytes)
I/O Space
(512−Mbytes)
0000 0000
4000 0000
8000 0000
C000 0000
E000 0000
FFFF FFFF
CPU Private Space
E000 0000
EFFF FFFF
F000 0000
Zone A I/O ATM, Slot 1 (M=1)
F100 0000
~ ~
Unsupported Zone A I/O
(M=3 − 7)
FM00 0000
FMAF FFFF
F198 0000
Zone A ATM Pcard, Slot 10 (*P=8)
Zone A ATM Pcard, Slot 11 (*P=9)
Zone A ATM Pcard, Slot 12 (*P=A)
Zone A ATM Pcard, Slot 13 (*P=B)
Zone A ATM Pcard, Slot 14 (*P=C)
Zone A ATM Pcard, Slot 15 (*P=D)
Zone A ATM Pcard, Slot 16 (*P=E)
Zone A ATM Pcard, Slot 17 (*P=F)
F199 0000
F19A 0000
F19B 0000
F19C 0000
F19D 0000
F19E 0000
F19F 0000
Reserved for
F200 0000
Zone A future I/O, Slot 2 (M=2)
Zone A I/O ATM Firewall Space
F1A0 0000
F1AF FFFF
F2FF FFFF
F800 0000
Reserved for Zone B (M=8)
Zone B I/O ATM, Slot 1 (M=9)
F900 0000
~ ~
Unsupported Zone B I/O
(M=B − F)
FM00 0000
FMFF FFFF
F998 0000
Zone B ATM Pcard, Slot 10 (*P=8)
Zone B ATM Pcard, Slot 11 (*P=9)
Zone B ATM Pcard, Slot 12 (*P=A)
Zone B ATM Pcard, Slot 13 (*P=B)
Zone B ATM Pcard, Slot 14 (*P=C)
Zone B ATM Pcard, Slot 15 (*P=D)
Zone B ATM Pcard, Slot 16 (*P=E)
Zone B ATM Pcard, Slot 17 (*P=F)
F999 0000
F99A 0000
F99B 0000
F99C 0000
F99D 0000
F99E 0000
F99F 0000
Reserved for
FA00 0000
Zone B future I/O, Slot 2 (M=A)
Zone B I/O ATM Firewall Space
F9A0 0000
F9AF FFFF
FAFF FFFF
Reserved for Zone A (M=0)
F1B0 0000
F1FF FFFF
Zone A I/O RAM/Flash ROM
F9B0 0000
F9FF FFFF
Zone B I/O RAM/Flash ROM
1FFF FFFF
(current VMS addressable limit)
Main Memory
(512−Mbytes, 32−bit)
2000 0000
3FFF FFFF
(support by later VMS release)
PKO−0150−93RAGS
E110 1030 (CCA offset = 15C)
SYSADR Register
DMAADR Register
SYSFLT Register
E110 1040 (CCA offset = 160)
E110 1100 (CCA offset = 180)
Miscellaneous System Information A–9