1. xerox 560 computer system - The UK Mirror Service

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System Control Panel (SCP)Endbell AssemblyAddress 00101 tIdentity TagChassis B Chassis A Chassis B Chassis A Chassis B Chassis ACabinet 1 Cabinet 2 Cabinet 3Configuration Control Panel (CCP)Direction of System Expansion ----... ~(Viewed from Module Side)tStarting from the endbell as cabinet number 0, the most significant four bits designate physical cabinet number.The least significant bit designates the back panel location in the halves of the cabinet.Figure 16. Chassis Physical ConfigurationPOWER POWER SYSTEM CLOCKNNORM ON SEL S ELPROCESSORI ADDRESS -, BP MIOP DIOENABLE ENABLE ENABLE,-F5EL --,AL TSEL FSELA 80 BI,------ REAL TIME CLOCK 5EL-----,r RTCl --,50 51,RTC2 --, rRTC3--,so 51 50 SIr 5TC -,50 51MeeOOOOOOOOOOOOOOOOOOOOOOPOWERPOWER SYSTEM CLOCK.-----PORT ENABlE ----, ~STARTING ADDRESS ------,NNORM ON SEL 5EL INTLV 512 513 SI4 SIS 516 517 518MUle eOOOOOOOOOOOOOOOOOOOOOO• Indicatoro SwitchFigure 17. Sample Rows of CCP Switches168 Configuration Control Panel (CCP)
Table 25. Functions of Processor Cluster Configuration Control Panel RowLabelPOWERNNORMPOWERONSwitch/Indicator1 indicator1 switchFunctionLighted when unit power is shut down due to abnormal operationalcondition.When in up or middle position, enables power-on control in theunit power supply. (Middle position inhibits the unit reset signal.)When in down position, power to unit is off.SYSTEMSEL1 switchSelects the processor bus to which the processor cluster is to beconnected (up is processor bus A, down is B).CLOCKSELPROCESSORADDRESS1 switch3 switchesSelects the clock source (up, A or down, B) for the unit clocksubsystem.Establishes the logical address of the cluster within a group ofproc essor clusters.Note: The 5-bit chassis location number and not the processoraddress is used in addressing the configuration switches fora given unit by the RD instruction directed to the ConfigurationControl Panel.BPENABLE1 switchWhen in down position, inhibits the BPinternal bus.from operating on theMIOPENABLEDIOENABLEALTSELFSELAFSELBO/FSELBl1 switch1 switch1 switch1 switch2 switchesWhen in down position, inhibits the MIOP from operating on thei nterna I bus.When in down position, inhibits external DIO interface.Selects either the remote console (down position) or alternateoperator1s console (up position) to enter data on the RemoteChannel Interface.Selects communications frequency for the primary operator1sconsole as follows:up = same frequency as remote channeldown = 1200 baudNote: The 1200 baud selection is effective only if the REMOTECHANNEL switch on the System Control Panel is not inthe SCC posi ti on.Selects communications frequency for the alternate operator1sconsole and the Remote Diagnostic Interface (Remote Channel) asfollows:BO B1 Rate (baud)- -0 0 1100 1 12001 0 unspecified1 1 300Configuration Control Panel (CCP) 169
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Xerox 560 ComputerReference Manual9
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4. INPUT/OUTPUT OPERA TIO NS 142 AG
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1. XEROX 560 COMPUTER SYSTEMINTRODU
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Many operations are performed in fl
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Rapid Context Switching. When respo
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2. SYSTEM ORGANIZATIONThe elements
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FAST MEMORYARITHMETIC AND CONTROL U
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INFORMATION BOUNDARIESBasic process
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(Maximumof eight)Core Core Core Cor
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3. Diagnostic logic. Each memory dr
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eference address field of the instr
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Instruction in memory:Instruction i
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Real-extended addressing is specifi
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Table 1. Basic Processor Operating
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DesignationFunctionDesignationFunct
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InterruptStateDisarmedArmed[$Waitin
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AddressTable 2. Interrupt Locations
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is assumed to contain an XPSD or a
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Table 3. Summary of Trap LocationsL
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TRAP MASKSThe programmer may mask t
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PUSH-DOWN STACK LIMIT TRAPPush-down
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Instruction Name Mnemonic FaultDeci
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subroutine. However, with certain c
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3. INSTRUCTION REPERTOIREThis chapt
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CC1 is unchanged by the instruction
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Condition code settings:2 3 4 Resul
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Example 2, odd R field value:Before
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significance (FS), floating zero (F
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next sequential register after regi
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R 1 R2 R3 MeaningoThe effective vir
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MIMULTIPLY IMMEDIATE(Immediate oper
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original contents of register R, re
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Instruction NameCompare HalfwordMne
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2 3 4 Result of ShiftCircular Shift
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4. At the completion of the left sh
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Instruction NameFloating Subtract L
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The following table shows the possi
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Table 8.Condition Code Settings for
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PACKED DECIMAL NUMBERSAll decimal a
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DSTDECIMAL STORE(Byte index alignme
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If no indirect addressing or indexi
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Instruction NameMnemonicDesignation
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Both byte strings are C bytes in le
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of the destination byte that caused
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again present, unti I a positive or
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The new contents of register 7 are:
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traps to location X'42 1 as a resul
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If there is sufficient space in the
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If CC1, or CC3, or both CC1 and CC3
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appropriate memory stack locations
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II, EI) are generated by II ORing"
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In the real extended addressing mod
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CAll INSTRUCTIONSEach ofthe four CA
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The XPSD instruction' is used for t
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If (I)1O = 0, trap or interrupt ins
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For either memory map format and ei
Page 123 and 124: initial value plus the initial valu
Page 125 and 126: Table 9. Status Word 0Field Bits Co
Page 127 and 128: READ INTERRUPT INHIBITSThe followin
Page 129 and 130: Table 11.Read Direct Mode 9 Status
Page 131 and 132: SET ALARM INDICATORThe following co
Page 133 and 134: INPUT jOUTPUT INSTRUCTIONSThe I/o i
Page 135 and 136: Table 13.Description of I/o Instruc
Page 137 and 138: Table 15.Device Status Byte (Regist
Page 139 and 140: Table 16. Operational Status Byte (
Page 141 and 142: Table 19.Status Response Bits for A
Page 143 and 144: If CC4 = 0, the MIOP is in a normal
Page 145 and 146: 2 3 4 Meaningo 0 I/o address not re
Page 147 and 148: The functions of bits within the DC
Page 149 and 150: 4. Each unit-record controller (int
Page 151 and 152: Interrupt at Channel End (Bit Posit
Page 153 and 154: Transfer in Channel. A control lOCO
Page 155 and 156: Otherwise, the first word of the ne
Page 157 and 158: Depending upon the characteristics
Page 159 and 160: change the rate on the primary cons
Page 161 and 162: Location(hex) (dec)20 3221 3322 342
Page 163 and 164: Table 22.Diagnostic Control (P-Mode
Page 165 and 166: at its normal rate (e. g., fixed du
Page 167 and 168: SET LOW CLOCK MARGINSThis command c
Page 169 and 170: BP STATUS AND NO.Th i s group of i
Page 171 and 172: Input5MPri ntout5MFunctionStore X 1
Page 173: 6. SYSTEM CONFIGURATION CONTROLPool
Page 177: Table 26. Functions of Memory Unit
Page 180 and 181: STANDARD 8-BIT COMPUTER CODES (EBCD
Page 182 and 183: STANDARD SYMBOL-CODE CORRESPONDENCE
Page 184 and 185: STANDARD SYMBOL-CODE CORRESPONDENCE
Page 186 and 187: TABLE OF POWERS OF SIXTEEN II162564
Page 188 and 189: HEXADECIMAL-DECIMAL INTEGER CONVERS
Page 194 and 195: HEXADECIMAL-DECIMAL FRACTION CONVER
Page 196 and 197: HEXADECIMAL-DECIMAL FRACTION CONVER
Page 198 and 199: APPENDIX B.GLOSSARY OF SYMBOLIC TER
Page 200 and 201: TermMeaningTermMeaningWKxWrite key
Page 202 and 203: Table C-2. Memory Unit Status Regis
Page 204 and 205: Y OYf'lV r'f'lrnf'lrtil"\n'''' ....
Page 206: 701 South Aviation BoulevardEI Segu
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