AT&T 3B2/300 Technical Reference Manual page 576

Appendix: VIRTUAL ADDRESS SPACE - - - - - - - - - - - - - - - - - - - - - -
SECTION O KERNEL VIRTUAL ADDRESS SPACE
SEGMENT VIRTUAL SEGMENT
SECTION SEGMENT SEGMENT LOADER
NUMBER ADDRESS
SIZE NAME CONTENTS ACCESS OPTION
Ox 0 Ox 00000000 2 KB .gate GATE TABLE KR
Ox 1 Ox 00020000 64 KB
KV_demot
SYSTEM BOARD ROM KR NOLOAD
Ox 2 Ox 00040000 64 KB
KV_ccmmu SYSTEM BOARD REGISTERS
KRW
NOLOAD
Ox 3-0x 12 Ox 00060000 2 MB FEATURE CARD SLOT 1 KRW
Ox 13
NOT USED
Ox 14-0x 23 Ox 00280000 2 MB
FEATURE CARD SLOT 2 KRW
Ox 24
NOT USED
Ox 25-0x 34 Ox 004AOOOO 2 MB FEATURE CARD SLOT 3 KRW
Ox 35 NOT USED
Ox 36-0x 45 Ox 006COOOO 2 MB FEATURE CARD SLOT 4 KRW
Ox 46 NOT USED
Ox 47-0x 56 Ox 008EOOOO 2 MB FEATURE CARD SLOT 5 KRW
Ox 57 NOT USED
Ox 58-0x 67 Ox OOBOOOOO
2 MB FEATURE CARD SLOT 6 KRW
Ox 68
NOT USED
Ox 69-0x 78 Ox 00020000
2 MB FEATURE CARD SLOT 7 KRW
Ox 79
NOT USED
Ox 80-0x 8F Ox 01000000
2 MB FEATURE CARD SLOT 8 KRW
Ox 90
NOT USED
Ox 91-0x AO
Ox 01220000
2 MB FEATURE CARD SLOT 9 KRW
Ox Al
NOT USED
Ox A2-0x Bl Ox 01440000 2 MB
FEATURE CARD SLOT A KRW
Ox B2
NOT USED
Ox B3-0x C2 Ox 01660000
2 MB FEATURE CARD SLOT B KRW
Ox C3
NOT USED
Ox C4-0x 03 Ox 01880000
2 MB FEATURE CARD SLOT C KRW
Ox 04
NOT USED
Ox 05-0x E4 Ox OlAAOOOO 2 MB FEATURE CARD SLOT D KRW
Ox ES
NOT USED
Ox E6-0x FS Ox OlCCOOOO
2 MB FEATURE CARD SLOT E KRW
Ox F6-0x FF NOT USED
Ox 100-0x lFF Ox 02000000
16 MB MAIN MEMORY KRW
LEGEND:
KB KILOBYTE
KR KERNEL READ
KRW KERNEL READ/WRITE
MB MEGABYTE
Figure A-2: Virtual Address Space-Section 0
A-2 TECHNICAL REFERENCE MANUAL