Basic Data Structures - HP 3000 III Series Manual

System/CPU Overview
Segment Tables (4-word entries)
Low Main Memory
CST Base
- a - - _
CST Extension
DST Base
;-~---+-
PCB
Base
----+-
Current PCB
Process Control
Block Table
Process
A
PCB
6
DATA
SEGMENT
TABLE
Data
Segment
Entries
Process
B
PCB
2
CODE
SEGMENT
TABLE
Segmented
Library
Code
Segment
Entries
Process
C
PCB
7
CST
EXTENSION
Program X
Code Segmem
Entries
PrOl'am V
Code
Segment
Entries
Figure 2-5. Basic Data Structures
2-17