IBM System/370 145 Manual page 8

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Disk cartridge for the console file. • • • • • • • • • • 28
Names and location of instructions and data in a virtual
storage environment. .. • • • • • • • • • • • • • • • • • 50
Relationship of virtual storage, direct access storage,
and real storage • • • • • • • • • • • • • • • • • • • • 51
Conceptual illustration of real'storage utilization in
a mixed batch and online virtual storage environment • • 60
Layout of virtual storage, external page storage, and
real storage • • • • • • • • • • • • • • • • • • • • • • 63
Virtual storage address fields for a 64K segment • • • • 68
segment table and page tables used for dynamic address
translation. • • • • • • • • • • • • '. • • • • 70
Dynamic address translation procedure. • • • • • • • • • 71
Example of IDAL's required for a CCW list when page
size is 2K • • • • • • • • • • • • • • • • • _ • • • • • 77
Possible system performance when a virtual storage
operating system is used with an existing Model 145
configuration. • • • • • • • • • • • • • • • • • '. • 81
General effect on page faults of increasing the ratio of
the virtual storage used to the real storage present
in the system. • .. • • • • • • • • • • • • • • • _ 86
General effect on system performance of the paging
factor only. • • • • • • • • • • • • • .• • • •
87
General effect of the paging fact:.or on system
performance for various active-to-passive page ratios.. 88
General system performance curve for a virtual storage
environment. • • • • • • • • • • • • • • • • •
3330-series disk storage attached to 3830 Storage
Control Modell. • • • • • • • • • • • • • • • • •
A Model 145 configuration with 3330-series disk
storage attached via 3830 Storage Control Model 2.
A Model 145 configuration with 3330-series disk
89
97
100
storage attached via integrated storage control. • • 101
Top view of a 2305 Model 2 disk surface. • • • • • 104
Multipie requesting on the 2305 facility • • • • • • 106
Tape switching configurations for the 3803/3420 Magnetic
Tape subsystem • • • • • • • • • • • • • • •
The 3410 Magnetic Tape Unit. • • • • • • •
3410/3411 tape subsystem physical layouts,.
The 3505 Card Reader • • • •
The 3525 Card Punch • • • • • • • •
Vertical mark card format
Card layout for 25 print lines • • • '. • •
Contents of operator panels for 3505 reader and
3525 punch • • • • • • • • • . • • . . '. • • • . •
Partition or region layout for an OS 1400/7010-series
emulator program job step, with general storage
115
122
123
129
129
133
137
141
requirements indicated • • • • • • • • • • • • • '. • • • 159
Sample 256K Model 145 configuration for emulation of
a 128K DOS system • • • • • • • • • • • • • • • • • • • • 184
Sample 160K Model 145 configuration for emulation of a
48K DOS system • • .. .. • • • • • • • • • • • • .. • • • • 184
Data representation used in Model 145 processor and
control storage • • • • • • • • • • ' • • ' • • • • • • , • • • 188
Data representation used in Models 30 and 40 processor
storage and in the Model 145 in other than processor
and control storage. • • • • • • • • • • • • • • • 188
Model 145 model-dependent fixed storage locations. • '. • 191
Model 145 machine check code • • • • • • • • • • • • • • 193
General flow of OS MCR processing after repressible
machine check conditions • • • • • • • • • • • 198
General flow of os error recovery procedures after an
I/O interruption • • • • • • • • • • • • • • • 201
A Guide to the IBM Systern/370 Model 145