IBM System/370 145 Manual page 251

subchannels
assignment 35
block multiplexer 35
byte multiplexer 30
nonshared 35
number required by device 3~5
shared 35
system console 41
system control panel 41
system Damage machine check
descrip"tion 195
MCAR support 203
MCH support 197
system generation for Model 1j~5
DOS Version 4 219
OS MFT and MVT 210
system highlights 1-8
system operation without Model 145 RMS 222
system Recovery machine check
description 192
MCAR support 202
MCH support 196
system technology 10-13
tape less carriage, 3211 PrintHr 109
thrashing condition 82
time of day clock
description 23
DOS version 4 support 153
OS MFT and MVT support 148
Timing Facilities Damage machine check 194, 197
transition
DOS Version 4 219
general considerations 208, 209
OS MFT and MVT 210-213
translation lookaside buffer 69
UCW's (See subchannels)
Virtual Machine Facility/310
11
virtual machines 53
virtual storage
advantages 54-59
definition 48
organization in Model 145 61. 67
need for 44
relationship between size and performance 85
resources required to suppozt 79-80
virtual storage address fields 68
virtual storage page 62
virtual storage segment 61
warm start, OS MFT and MVT 200
1401/1440/1460 Compatibility feature 158, 166, 169
1401/40/60, 1410/7010 Compatibility feature 158, 163, 166, 169
2305 facility Model 2
average search time using SET SECTOR 107
capacity 106
characteristics 106-107
conversion to 212
data recording 103
description 103
DOS version 4 support 154
A Guide to the IBM System/310 Model 145 241