IBM System/7 Functional Characteristics - All about the IBM 1130 ...

11111111111111 1111.1111111111,1 1111111111 111 11111111digital input (continued)set test signal command 13-19, 14-8unequal comparison 13-19, 14-8digital outputcircuit compatibility 13-21, 14-10description 13-21, 14-10device address 13-21, 14-10group register 13-21, 14-10holding register 13-21, 14-10I/O commands 13-21, 14-10introduction 1-5module address 13-21, 14-10direct attachment IPLACCA 7-14introduction 1-21130 16-8direct control channel, introduction 1-3direct control channel status word C-1, 4-61direct program control (DPC) 1-3, 15-2disabling interruption requests 3-4disk storage module 15-1command summary B-4functional description 15-2I/O execution time 15-10introduction 1-5displacement, processor instructions 4-6, 4-7displacement field 4-5displacement tables, level 3-7displaying information from operator console 5-7distance between area stations 13-26, 14-13DO (see digital output)DPC (direct program control) 1-3, 15-2DRIVE switch 15-3DSW (see device status word)EBCDIC character chart 17-20.1effective address (EA) generation 4-5, 4-6electronic initial program load (EIPL) 16-8enabling/disabling operator console 5-10enabling interruption requests 3-4enclosures, System/7 1-2end diagnostic acknowledge response, 2790system 13-35, 14-22end diagnostic command, 2790 system 13-35, 14-22EOM (end of message) switch 9-5equal comparison, process interrupt 13-19, 14-8error (machine check) 3-10error (program check) 3-10error and status conditions, diskdescription 15-20read DSW command 15-25read ISW command 15-21read ISWEX command 15-23error and status conditions, 2502 17-12, 17-14error and status conditions, 5024 printer 17-24, 17-26error detected during intital program load, ACCA 7-14error during read status 4-60error in parity (processor) 2-6error recovery procedures, diskfrom DSW errors 15-29from ISW errors 15-29from ISWEX errors 15-30even parity 2-6even result indicator 2-13exception condition interruption 3-9exception to command execution time, multifunction moduleanalog input control model B 13-5analog input control model C 13-10exceptions to command execution time, 5014 Model B1 10-2exceptions to command execution time, 5014 Model Cl 11-2exceptions to command execution time, 5014 Model DI 12-2exclusive OR instruction A-9, 4-21exclusive OR register instruction A-10, 4-23execute I/O instruction 4-55commands (see I/O commands)condition code 4-56execute I/O instruction (continued)device address field 4-55execution time 4-4function (Fun) field 4-55halt I/O function 4-58immediate read function 4-57immediate write function 4-57modifier field 4-55module address field 4-55prepare I/O function 4-57read direct control channel status word command 4-61read DSW command 4-59read ID command 4-62read ISW command 4-60read ISWEX command 4-61set interrupt function 4-58summary A-10execution time, System/7 instruction set 1-3exit from binary data mode, ACCA 7-13exit from transmit or receive mode, ACCA 7-4extended precision5012 Multifunction Module Model AlModel B 13-8Model C 13-125014 Model B1 10-55014 Model CI 11-5external synchronization input pulse5012 Multifunction Module Model AlModel B 13-6Model C 13-115014 Model B1 10-45014 Model Cl 11-45014 Model D1 12-4El REQ and E2 REQ (execution request) lights 5-4features, introduction toanalog input 1-4analog output 1-4automatic restart on power failure 1-6digital input 1-4digital output 1-5disk storage module 1-5I/O modules 1-4power failure and thermal warning 1-7process interrupt, digital input 1-4processor module 1-2sensor-based modules 1-4system configurations 1-2system data flow 1-62790 Control 1-5feed tape and no print command 9-10feed tape and print command 9-10file organization, diskcylinder numbering 15-4description 15-4sector identifier format 15-6sector numbering 15-6track format 15-4FILE READY indicator 15-3FILE WRITE switch 15-3flag bits, diskdefective alternate track 15-26defective track 15-26format track command 15-27original 'good' track 15-26flagging, diskalternate track assignment 15-26defective track handling 15-26description 15-26flag bits 15-26Index X-5