IBM System/370 Guide

36 pairs {
of recording
elements
transfer
data
in
parallel
two bits
at a time
Access
mechanism
36 pairs
of
recording
elements
per disk.
64 recording tracks/disk x 6
= 384 recording tracks/module
8 spare tracks/disk x 6 48 spare tracks/module
216 pairs of recording elements (read/write heads)/access mechanism
Figure 20.15.2.
2305 Model 1 module
Top segment
recording
elements
(odd bytes)
Bottom
segment
recording
elements
(even
bytes)
Access
mechanism
36 pairs
of
recording
elements
per disk
45

IBM System/370 Specifications

General

Brand	IBM
Model	System/370
Category	Server
Language	English