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

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The 2792 Remote Communications Controller attaches a remote loop to the 2790single loop as shown in Figure 14-1. This capability extends the System/7's locally controlled2790 Data Communications System to remote locations via a full duplex (withfour-wire termination) leased common-carrier line. The transmission rate is 2400 bits persecond.The 2790 system provides for rapid transfer of digital information from data entry unitsat various plant locations to area stations at key locations and on to a system controller.The System/7 is the system controller for a 2790 system attached to the 2790 Control inthe 5013 Digital I/O Module. Data enters the 2790 system from a card reader, badgereader, pulse counter or key entry unit. Output data to the 2790 system is sent to 2791indicator lights, to the 2798 display and guidance panel, or to a printer attached toeither a 2791 or 2793 Area Station.The 2790 Data Communication System is connected by a two-wire, high-speed loopcapable of operating at about 500,000 bits per second (about 900 characters per second)partitioned over the active terminals on the loop. This loop is a serial connection that startsand ends at the 2790 Control feature in the System/7.5010 Processor Module50 3Digital I/OModule2790 Control2791/93 2791/93 2792-1 Remote 2791/93Area Station Area Station Communications Area StationController2792-2 RemoteCommunicationsController2795/96/97Data EntryUnit1053 Printer2791/93Area Station2791/93Area Station1035Badge Reader2798 GuidanceDisplay Unit1053 Printer2798 GuidanceDisplay Unit1053 Printer 2795/96/97Data EntryUnit1035Badge ReaderFigure 14-1. 2790 Data Communication System attached to System/7
Multiple area stations (2791 and/or 2793) attach to the transmission loop by insertinga one-byte shift register in series with the line. This shift register (Figure 14-2) enablesthe area station to examine and modify a full byte of information before passing it on tothe next area station in the loop. Multiple 2795/2796/2797 Data Entry Units, 1035 BadgeReaders, 2798 Guidance Display Units, and 1053 Printers can be connected to each areastation. The maximum distance between any two area stations on the loop, and betweenthe first/last area station and the 2790 Control, is governed by the type of wire used.See Appendix B in the manual IBM 2790 Data Communication System: InstallationManual—Physical Planning, Order No. GA27-3017. Remote locations may be servicedvia a remote loop attached through a 2792 pair.Programming and storage requirements to support the 2790 system limit the actualconfiguration of area stations and associated input and output units that may be attachedto the loop. These limits are specified in manuals that describe programming support forthe particular system using the programs. Programming support is provided for up to four2790 Control Features in a System/7 configuration.For more detailed information on the capabilities, components, features, and applicationsof the 2790 Data Communication System, refer to the manuals IBM 2790 DataCommunication System Component Description, Order No. GA27-3015, and IBM 2790System Summary, Order No. GA27-3016.FromtransmissionloopBypassTotransmissionloop1 1 1 1 1 1 11 byte shift regjParity bitArea stationFigure 14-2. One-byte shift registerIBM 5013 Digital I/O Module Model Al 14-13
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GA34-0003-7File No. S7-00IBM System
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ContentsPrefaceChapter 1. Introduct
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Flagging 15-26Track Initialization
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PrefaceThis reference manual is a s
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IntroductionCHAPTER CONTENTSSystem/
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Figure 1-1. IBM 5028 Operator Stati
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• One or two analog output points
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Power Failure and Thermal WarningPo
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IBM 5010 Processor ModuleCHAPTER CO
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StorageProcessorAACycleSteal/ Featu
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The processor does not recognize in
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DATA FORMATSInput/output data can b
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The absolute form can be obtained i
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Accumulators (ACC 0 to ACC 3)Page o
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Overflow IndicatorThe overflow indi
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System/7 InterruptionsCHAPTER CONTE
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Level 1interruptionprocessing'.ros
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Interruption Mask Register and Summ
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Page of GA34-0003-6,-7As Updated Au
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The accumulator associated with the
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Page of GA34-0003-6, -7As Updated A
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The summary mask isturned on; sampl
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Processor InstructionsCHAPTER CONTE
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InstructionMnemonic'OperationcodeLo
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' rrrI !Mil,. '11111E1 luluINSTRUCT
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"" ',Pli iI 1114111111111111 111111
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Load Immediate (PLI)0 5 8 15Op code
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Store Accumulator (PST)0 5 8 15Op c
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vow wow. •1•01111111111111111
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NMI INNI 1111=111111 IM11111■1111
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11111 !III VIII I 1101 1,411111111,
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I i 1111111'1Np■I0111m PIP ,ili11
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Example:Word in accumulator 0110 11
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Exclusive ORing occurs only between
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Shift Left Circular (PSLC)0 5 8 11
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Shift Right Arithmetic (PSRA)0 5 8
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Example:PB instruction(R = 110 spec
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Branch and Link Long (PBALL)0 5 8 1
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Branch Conditional (PBC►0 5 8 9 1
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Branch and Unmask Long (BUL) (5010
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Skip Conditional (PSKC)0 5 8 9 15Op
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Example:0 5 8 15PAS instruction(loc
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Load from Register (PLR)0 5 8 15Op
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Load Processor Status (PLPS)0 5 8 1
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Write IAR Backup (WIB) (5010 Proces
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Store Indicators (STI) (5010 Proces
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Executing the OR-to-mask instructio
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the process position. If the system
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Read Protect Key (RPK)0 5 8 11 16 2
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Module address field:Module address
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11111E111111111 M11111111•11111 1
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1111111111111111111111■11•11111
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Sixteen bits of additional module i
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1 REG 1---LEVEL0 10 0 2 1 20 0 0 03
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CTL CHK (Control Check) LightThis l
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1111■111111,11,11N I IIIADDRESS L
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CHECK CONTROL SwitchThis three-posi
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START KeyPressing the start key cau
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The processor module contains two 1
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6-4 GA34-0003II I 1 1 III 111 1111
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.11.1111111.111 MP I 111.10114P III
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1111 Minn. 11111111R !VW IMF" !PFLI
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The ACCA must be selected in order
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111.1111 111111 N uData and control
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I II III• 1111111111111111 1•11
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Significant Bits Meaning7* Data set
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I■ 0=11 1111111 MEM11 1111111111
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". — •• 11•111•MI !IF lim
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V IIF 1,1 NM IICONTROL CHARACTERS A
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Character SynchronizationCharacter
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Bit 1-Reserved.Bit 2-Transmit Opera
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1,114plilloi 1110 1111 1111.11 VI P
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1 1 - 1111=111111111 111M 1111 111
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The 5028 Operator Station (Figure 9
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Thickness Paper - .004 + .0003" (0,
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Character bit position 84 Tape move
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If the operator station motor is no
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Feed Tape and Print0 5 8 11 16 20 2
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Read 1SW0 5 8 11 16 20 26 31Op code
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The 5014 Analog Input Module Model
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Convert Analog Input with External
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Read ISW0 5 8 11 16 20 26 31Op code
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10-8 GA34-0003
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11111811111111.1.1.14.111.1111I II
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" 11, 141MINMIIIIF I WPM P IP !! 11
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Read and Convert ADC0 5 8 11 16 20
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Device Status Word (DSW): The 16 bi
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1411111111,1111111111n 111The 5014
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Convert Analog Input with External
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12-6 GA34-0003
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The 5012 Multifunction Module Model
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MODULE DEVICE ADDRESSESANALOG INPUT
Page 194 and 195: The range bits (RRR) in the control
Page 196 and 197: H1111111111111 1111.111111HIVRead A
Page 198 and 199: I/0 CommandsThe prepare I/O and hal
Page 200 and 201: Data stored in the register can hav
Page 202 and 203: If a particular amplifier gain was
Page 204 and 205: ' 14 111•141111111111111011114111
Page 206 and 207: Read Digital Input Reference Regist
Page 208 and 209: Digital Input Groups Without Proces
Page 210 and 211: CIA ^iN1i Ma IIl AMINNNP u 11.!..11
Page 212 and 213: Write Analog Output Holding Registe
Page 214 and 215: 1111111■11111111101=11111.1111111
Page 216 and 217: =111111111111111111 1 11 1 11111111
Page 218 and 219: DataThe data byte contains either d
Page 220 and 221: Read CommandsAll read commands are
Page 222 and 223: Write Null Acknowledge: This code (
Page 224 and 225: Area Station Local I/O Guidance Cha
Page 226 and 227: 2791/2793 Adapter Critical timingIn
Page 228 and 229: BeginDSC* 05Write(AS enters data mo
Page 230 and 231: oww1111111111111111111111111,1,, V
Page 232 and 233: Bit 15 in the R register can be set
Page 234 and 235: The 5013 Digital I/O Module Model A
Page 236 and 237: The prepare I/O command is used as
Page 238 and 239: Read Digital Input RegisterO 5 8 11
Page 240 and 241: Set Digital Input Interrupt Control
Page 242 and 243: DIGITAL OUTPUT CONTROLThe Digital O
Page 246 and 247: Data TransmissionInformation is tra
Page 248 and 249: The functions of the five bytes in
Page 250 and 251: Code nameHexBit patternResponse Com
Page 252 and 253: Read End Acknowledge: This code (he
Page 254 and 255: Begin Diagnostic: This code (hexade
Page 256 and 257: Page of GA34-0003-6, -7As Updated A
Page 258 and 259: Command SequencesThe 2790 Control m
Page 260 and 261: An area station requiring service l
Page 262 and 263: Set Diagnostic Mode0 5 8 11 16 20 2
Page 264 and 265: 14-32 GA34-0003
Page 266 and 267: FUNCTIONAL DESCRIPTIONThe IBM 5022
Page 268 and 269: FILE ORGANIZATIONEach surface of ea
Page 270 and 271: Sector Identifier FormatEach identi
Page 272 and 273: If fewer than 128 words are to be t
Page 274 and 275: When the IPL operation starts, the
Page 276 and 277: Recalibrate Operation: A recalibrat
Page 278 and 279: 1111 11 I 111111111111WRead Initial
Page 280 and 281: If an error is detected during a da
Page 282 and 283: None of the data read is transferre
Page 284 and 285: Error and Status ConditionsErrors d
Page 286 and 287: Significant Bits Meaning5* No recor
Page 288 and 289: Significant Bits Meaning3 Seek chec
Page 290 and 291: FLAGGINGThe condition of a track su
Page 292 and 293: Track Initialization ProceduresThe
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Bit 5—No Record FoundIt should be
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15-32 GA34-0003
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I III 1111111111111111111111111111
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Interruptions to System/7The progra
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Initiate Read0 16 21 24 31111111Add
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Device Status Word (DSW): The 16-bi
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16-10 GA34-0003
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The IBM 5024 I/O Attachment Enclosu
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III 1111•1111111111•1111111 III
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11111 1 11•1111111111111111111111
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Reset 5024The reset 5024 resets the
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2502 Card Reader Translate TableA 2
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I/O Transfer BlockThe address of th
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Status Word 1.0 152502 status buffe
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Status Word 2.0 15Status word 1% St
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1 1 111111111111111111111111111•1
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IMP P 1111,1111.11,11311111 I MP 11
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11 11 1111111111 1 1111111111111111
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algaaaagIrlug",',/"'", BeltPosition
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• Disable Attention Interrupt 110
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Status Word 1.0 15aStatus word 1•
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Status Word 2.15Status word 1N+1Res
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Interrupt PresentationThe printer a
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17-30 GA34-0003
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Add immediateMnemonicExecutiontime
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Alter storage key (provided only wi
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BranchMnemonicExecutiont i me (ns)O
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Branch conditionalMnemonicExecution
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Exclusive OR registertMnemonicExecu
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Level exitMnemonicExecutiontime (ns
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Load immediateMnemonicExecutiontime
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OR registerMnemonicExecutiontime (n
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Read protect key (provided only wit
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1111■11111■111111111 1 11111111
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StopMnemonicExecutiontime Ins)Op co
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SubtractMnemonicExecutiontime (ns)O
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A-26 GA34-0003
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PIO instruction Function ModifierDe
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1111111■111111PIO instruction Fun
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Valid responses to 2790 read comman
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Interrupt status wordsDevice0 1 2 3
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Device status word (2502, 5024 with
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11.1 11111 11110•11111111111.1111
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5028ConsoleShift/ 5028BSCAACCAContr
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5028ConsoleShift/ 5028BSCAACCAContr
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triNtitTIBitRanges and bit values (
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.••■• III II III 11111.•
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E-6 GA34-0003
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Verifydata beforewrite analogoutput
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Prepare I/OSet referenceregisterYes
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F-6 GA34-0003IIII•1111■•■
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G-2 GA34-0003
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analog signal resolution (continued
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cycle steal feature data flow 2-3cy
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forced interruption control, digita
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initial program load (IPL) to Syste
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111111•1111111111■ IllO (OR) in
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ead, 5022 Disk Storage Module (cont
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11111111111111111■1 1111111 11111
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X-16 GA34-0003
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GA34-0003-7Your comments, please ..
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I 111111111111111.1 I MEM II 1 1111
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