IBM System/370

in the subsections that follow. Programming systems support of these
features is covered in Section 30. Reliability, availability, and
serviceability (RAS) hardware features are mentioned only briefly.
A full discussion of both hardware and programming systems RAS
facilities is contained in Section 50.
Multiplexer
Channel
2870 #2
Multiplexer
Channel
2870 # 1
Selector
Channel
2860
Selector
Channel
2860
Block Multiplexer
Channel
2880
Block Multiplexer
Channel
2880
Block Multiplexer
Channel
2880
Note: Not indicative of layout or scale.
Processor
Storage
Model
KJ
Processor
Storage
Models
JI and K
~
Power and Coolant
Distribution Unit
Processor Processor
Storage Storage
Models I and J Models I and J
Central Processing Unit
CRT and
Keyboard
t
Console Unit
with 30' cable
Figure 10.05.1. System/370 Model 165 system elements
Processor
Storage
Model
KJ
Processor
Storage
Models
JI and K
I
Document Viewer,
Magnetic disk
cartridge device,
and Indicator
Viewer
7