Page of GC20-1801-10 As Updated April 1, 1981 by TNt GN25-0837 DEVTYPE operand 143-144 DPMSIZE operand 150 examples, 3704/3705 67
FCB operand 150 FEATURE operand 145-146
format 143
IMAGE operand 150 MODEL operand 145
output spooling classes, defining
146-147 SETADDR operand 148
subclass, defining for unsupported
devices 147
unit record error messages 150 using to define alternate paths 45 3704/3705 error messages 150.1 READ control statement, format of 245
READCARD, command (CMS), usage, usage 28
reader, card files in CMS 28
read-only, access of minidisks 102 read/write, access of minidisks 102 real control blocks
defining 133-136
real storage requirements 87
real control units DASD control units supported by VM/370 108 magnetic tape control units supported by VM/370 110 unit record control units supported by VM/370 111
real devices
coding the RDEVICE macro
for the system console 144 for unsupported devices 147
configurinq 405-408 DASD supported by VM/370 108-109 dedicating to virtual machines 211-213
magnetic tape supported by VM/370 120 needed for system generation 227
processors supported by VM/370 106-107 remote spooling devices supported by VM/370 123
sample configuration 161-162
supported by VM/370 105 supported only in virtual machines 126
terminals supported by lM/370 112-120
unit record devices supported by VM/370 111
real I/O configuration file
assembling during system generation 246 CLUSTER macro 135-136
coding for 3270s 134-135
coding sample 161-162
example of VM/370 system 158-159
preparing 133-136
RCHANNEL macro 164 RCTLUNIT macro 151-154 RDEVICE macro 142-150 RIOGEN macro 156-157
sequence of macros 133
TERMINAL macro 137-141
real I/O control block structure
for alternate channel specification 78
for alternate control unit specification
68,77
real stor age
calculating maximum size virtual=real
area 13 DASD requirements 10 requirements for CP 87-89
requirements for TM/370 87-93
REAtTIMER option, defining in lM/370 directory 203 records, maximum number per CMS file 27
reducing the size of the CP nucleus, lM/370 storage requirements 89
regenerating CMS modules 409-410 service programs 411
remote attachments, 3270s, planning
considerations 51
remote hardware, supported configurations
3270s 52
remote spooling devices, supported by lM/370 123
remote 3270s control unit and device addressing 140 examples of addressing 141
requirements
for changing the TK/370 directory 198
for CP loadlists 390 RSCS, to run multiple concurrent RSCS virtual machines 343
to regenerate CP and CMS 409-411
reserve/release
dynamic determination of support 43
handling reserve CCW 48.1-48.2
hardware support 43
restrictions 48.3
device sharing between real
processors 48.3
device/minidisk sharing 48.3
shared DASD 47-48
summary of support 48.2
using with operating systems 46-48.3
virtual machine simulation 46-48
resident nucleus, ending address 372
resource identification codes
for 3270s 56-57
sample list 59
recording at end of stage 1 305 restoring, starter system to disk 231-232
restr ictions
backward space file command 436
channel model-dependent 434.1
channel model-dependent (5748-!E1) 434.1
channel model-dependent functions
434-435 CMS 438-440 column binary 436
count control 436 CP 431-441 CP IPL command 436 DIAGNOSE instruction 436 DOS, emulator 436
dynamically modified proqram 431
forward space file command 436
integrated emulators 436 IPL command, with NOCLEAR option 437
Index 465

Page of GC20-1801-10 As Updated April 1, 1981 by TNL GN25-0837
minidisk 432-433
miscellaneous 440-441 model dependencies 434-434.1
model dependencies 434-434.1 MSS 438
on FB-512 diagnostic commands (5148-!X8) 433
on FB-512 diagnostic commands (5148-XE1) 433
on use of DASD channel programs for
certain devices 432
on use of FB-512 devices 432-433
on use of FB-512 devices (574.§-lE1) 432-433
on use of IBCDASDI 432
on use of IBCDASDI (574.§-XX8) 433
on use of IBCDASDI 433
on use of search arguments in performing DASD I/O 432
pa ge zero 43,)- U 1fi processor model-dependent functions 434
pseudo-timer 436
punch-feed-read 436
READ DIRECT and WRITE DIRECT 436
reserve/release
device sharing between real
processors 48.3
device/minidisk sharing 48.3 SET CLOCK command 436
stacker selection 436 STORE CLOCK command 436
timing dependency 433-434
two-channel switch 436 1050/1052 Model 2 Data Communication System 436
8809 tape drives 434
8809 tape drives 434
return codes, VMSERV EXEC 398 RIOGEN macro ALTCONS operand 156 CONS operand 156
example 157
format 156 SRF operand 157 RMSIZE operand, of SYSCOR macro 173 RSCS (Remote Spooling Communications
Subsystem)
applying RSCS updates 283
assembling the configuration table
285,364
building a new nucleus 363-364
compatible devices 413
configuration table 280 creating the COpy files that define it
284-285
defining
all data transmission paths 281-282
an RSCS virtual machine 280 links 280 more than one RSCS virtual machine
41
the RSCS system 280 total number of tag slots 282
virtual device addresses 282
disks needed to build a new nucleus 364
example of use 41
general information 279
generating and installing 279-288,343
generating the macro library 280 generation procedure 282-288
assembling the configuration table
285
creating the DMTLOC macro library
285
defining your system 280 formatting the RSCS system disk
283-284
loading CMS 283
loading Rses 286
introduction 3
link, defining 281-282
minimum configuration 104 nucleus
building 286
generating 363-364
optional tape containing assembly
listings 228 41-42 processor required features 125
programmable terminals required featurel 125
required features 123
source file identifier, DMTRnO CNTRL
328
suggested system disk 283
system disk
copying line drivers to 364
copying supervisor files to 364
creating 363
updating 363-365 System support plan 324
using 'MSER' 283
virtual machine requirements 282-283
what you need before you generate RSCS 282
2770 required features 123-124
2780 required features 124
3110 required features 124
3780 required features 124 RSCS (Remote Spooling Communications System) optional tape containing assembly
listings 228.1
optional tape containing assembly
listings 228.1 RSCS operand S of GENERATE command 382
of GENERBSE command (5748-IX!) 383
of GENERSEP command (5748-XE1) 383
sample EXEC procedure for copying DOS/TS macros into a CMS MlCLIB 443
sample EXEC procedure for copying DOS/VSE macros into a CMS MlCLIB (2748-!!.§) 443
sample EXEC procedure for copying DOS/TSE macros into a CMS MAC LIB (5748-!!1) 443 sa ved segments
discontiguous 81-84 CMSAMS 271-276 CMS DOS 276- 2 77 CMSSEG, associated overhead 84 CMSTSAM 271-276
466 IBM VM/370 Planning and System Generation Guide