Control Data Cyber 170 State Hardware Reference Manual page 26

Major System Component Descriptions
CENTRAL
MEMORY
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INSTRUCTION
SECTION
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INSTRUCTIONS
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1
,
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4 -
EXECU-
CACHE
1
-
REGISTERS
4 b
T l O N
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MEMORY
-
SECTION
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OPERANDS
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.
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-i
ADDRESSING
SECTION
F - 4
MAINTENANCE
ACCESS
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CONTROL
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CENTRAL
PROCESSOR
- - - - - - - - - -
MAINTENANCE CHANNEL
J
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INPUTIOUTPUT U N I T
L
+ +
RS 232.C INTERFACE
MAINTENANCE
CHANNEL
-1
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MAINTENANCE CHANNEL
r - - - - - - - - - - - - - - - - - -
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Figure
1-2. System Block
Diagram
4 !
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v v * . v
SYSTEM
CONSOLE
CONTROLLER
Cr
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CYBER 170 I/OCHANNELS
,
PERIPHERAL
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PROCESSORS
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