Control Data FF524-A User Manual Download

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Summary of Contents for FF524-A

Page 1: ...ATA CORrO nON CONTROL DATA LINE PRINTER CONTROLLER FF524 A GENERAL DESCRIPTION OPERATION AND PROGRAMMING INSTALLATION AND CHECKOUT THEORY OF OPERATION DIAGRAMS MAINTENANCE PARTS DATA WIRE LIST HARDWARE MAINTENANCE MANUAL ...

Page 2: ...d ECO CK1229 Publications change only 6 75 B ECO CK1445 Revised pages iii vii viii 2 3 3 1 3 3 5 13 5 15 5 19 7 1 8 2 thru 8 9 2 7 9 76 L J j 1 r Publication No 89637300 o 1974 1975 1976 by Control Data Corporation Printed in the United States of America Address comments conceming this manual to Control Data Corporation Publications Graphics Div 4455 Eastgate Mall La Jolla California 92037 or use ...

Page 3: ...N T S MANUAL FCO OR ECO SERIES SIN LOGIC REV DIAGRAM FF524 A 89639900 01 01 02 01 ECO CK085 02 51 103 04 104 110 02 ECO CK485 03 101 06 03 ECO CK937 03 04 ECO CKI046 03 A ECO CK12 2 9 03 A B ECO CKI097 04 401 B B ECO CKI311 05 501 B B ECO CK1502 06 537 B 89637300 B iiil iv ...

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Page 5: ... Print ers A knowledge of the computer and line printer is required before using this line printer controller The following Control Data publications may be useful as references Title 1742 Line Printer Controller Reference Manual 1784 Computer Rcfbrcnce Manual AD I 07 A ABI08 A Computer Customer Engineering Manual 1 0 Specification MnnuaI 89637300 A Publication No 89637200 89633400 89633300 896731...

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Page 7: ...INSTALLATION AND CHECKOUT Data Register and Parity Generator Interrupt Logic 5 10 Installation 3 1 Interrupt Logic 5 10 Unpacking 3 1 Control Logic and Timing Physical Limitations 3 1 Generator 5 10 Power Requirements 3 1 Control Logic 5 10 Cabling and Connectors 3 1 Timing Generator 5 12 Cooling Requirements 3 2 Differential Transmitters Environmental Considerations 3 2 Receivers 5 12 Preparation...

Page 8: ...ipment Number Selection FIGURES 2 1 3 2 Location For Installation of 2 2 Controller PW Assembly A Q Bus 3 5 2 2 4 1 Line Printer Controller Block 2 2 Diagram 4 2 2 3 4 2 A Q Timing Read Write 4 4 3 4 4 3 Print Operation Timing 4 6 4 4 Data Transfer 4 8 TABLES 1 2 3 3 Interrupt Pin Assignments 3 6 2 1 4 1 Read Write Functions 4 2 4 2 Director Functions 4 4 2 8 8 1 External Shielded Cable Wire ist 8...

Page 9: ... controller may be accommodated in any unused A Q slot within the ABI07 A ABI08 A enclosure or the BTI48 A ExpanSion Enclosure Table 1 1 supplies a list of specifications for the controller INTERFACE CONNECTORS AND CABLES The cables required for the operation of the controller and the line printer are listed in Section 7 Parts Data OATA TRANSFER To perform data transfer bit QOO of the Q register s...

Page 10: ...80F 400C to 700C Storage 140F to 12 F 10 C to 50 C Operating 40 F to 1200F 50 C to 50 C Humidity Shipping oto 100 RH non onden8ing Storage 10 to 90 RH non ondensing Operating 10 to 90 RH non condensing POWER Input Requirements 5 volts de Signal Level Low State 0 0 4 volts de or less High State 1 2 4 volts de or more Ground Logic ground is connected to computer logic ground 1 2 8963 1300 A ...

Page 11: ...n 3 PROGRAMMING Table 2 1 and Figures 2 1 through 2 4 provide programming information A description of the codes follows the figures 15 w Table 2 1 Addressing Codes COMMAND CODE INPUT TO A QOO 0 Illegal QOO 1 Director Status 7 E Equipment Code Converter Code all Os Figure 2 1 Q Register Format OUTPUT FROM A Data transfer Director Function Command Code 2 89637300 A 2 1 ...

Page 12: ...pt Request Alarm Interrupt Request Print Figure 2 2 Function Code Format A REGISTER Ready Busy Interrupt Data End of Operation L Alarm Error L _ _ _ Protected Load Image CL409 only Figure 2 3 Status Code Format 15 8 7 o CHARACTER Figure 2 4 Data Transfer Format A REGISTER 89637300 A ...

Page 13: ...ent Select jumper plugs shown in Figure 2 5 COMMAND The Command code bit 00 of the Q register defines the operation to be performed by the line printer It must be accompanied by an Equipment code and either a Read or a Write signal Table 2 1 gives the Command code functions SI 7 PTCT Protected when jumper plug is out S5 1 Q07 Selected when jumper plug is in S4 7 Q08 Selected when jumper plug is in...

Page 14: ...tion the controller is directed to perform a director function Director functions are accepted if no protect violation occurs with the following constraints Print directive is accepted If controller is Ready Not Busy and Data Status is true bit A03 1 Director functions except the Print directive may be stacked that is two or more functions may be issued at the same time CLEAR PRINTER AOO 1 This fu...

Page 15: ... the request or by Data Transfer or Print functions ALARM INTERRUPT REQUEST AM 1 This function enables the generation of an interrupt when an alarm condition exists An alarm condition that exists at the time this interrupt request is made will immediately provide a response If the alarm condition does not exist at the time of the interrupt request the interrupt response will be provided as soon as...

Page 16: ... or Clear Interrupt A01 1 DATA A03 1 This signal indicates that the line printer is ready to receive a character If Interrupt on Data has been selected this status will also indicate that this interrupt has occurred The status is cleared by Clear Printer AOO 1 and by either Data Transfer or Print directive END oF OPERATION EOP AM 1 This signal indicates that the line printer has completed an opera...

Page 17: ...ion is cleared by Clear Printer AOO 1 or either Data Transfer or Print directive In case of Synchronization Error or Compare Error the line printer becomes Busy The condition is cleared by Clear Printer AOO 1 only PROTECTED A07 1 This bit indicates that the controller is in the protect state that is the protect jumper plug is absent I See Protection Logic page 4 3 In this state the controller acce...

Page 18: ...aracter is issued which performs a vertical paper motion and CLRP Directive is issued immediately there after the Busy status will be set until paper motion stops TABLE 2 2 LP control bit settings in Register A BltS in A Function A05 A04 AOa A02 AOI AOO x x x x 0 0 Suppress space x x X lI 0 1 Single space x x x x 1 0 Double space x x x x 1 1 Triple space Vertical Format Control x x 0 0 0 0 Channel...

Page 19: ... damage to the controller card The card must not be flexed bent or dropped POWER REQUIREMENTS The controller card requires 5 vdc derived from the power supply of the computer CABLING AND CbNNECTORS An external interconnecting cable is available for use with the controller for connection between the computer and the line printer The external cable Part No 89818500 is 25 feet long and shielded I The...

Page 20: ...or physical damage 3 Place the Equipment Number and Protect jumpers in the proper poSitions on the card Refer to Tables 3 1 and 3 2 and Figure 3 1 CAUTION Do not install or remove controller card or cables from computer or expansion enclosure with power on 4 Carefully install the controller card in the assigned A Q slot The PWA must slide in smoothly The slot must be selected according to the equi...

Page 21: ...n Marked Q08 on PWB I jumper S3 on logic diagram 3 and 8 plug Marked Q09 on PWB S2 on logic diagram 2 and 9 1 is in I Marked QI0 on PWB Table 3 2 Equipment Number Selection QI0 Q09 Q08 Q07 LINKS S2 83 84 85 Hexadecimal Code 0 0 0 0 o 1 0 0 0 1 2 0 0 1 0 3 0 0 1 1 4 0 1 0 0 5 0 1 0 1 6 0 1 1 0 7 0 1 1 1 8 1 0 0 0 9 1 0 0 1 A 1 0 1 0 B 1 0 1 1 C 1 1 0 0 D 1 1 0 1 E 1 1 1 0 F 1 1 1 1 NOTE A binary 0 ...

Page 22: ...3 4 Figure 3 1 Jumper Plug Location on PWA 89637300 A ...

Page 23: ...PROCESSING UNIT CARTRIDGE DISK DRIVE CONTROLLER NRZI PHASE MAGNETIC ENCOD TAPE ING TRANSPORT FORMAT coNTROLLER TER c 10 xrwt D n 4 4 0 rwt 2J 2J _ll n 1J t 4 z 1C 161 1 g rf rwt rwt 4 I2Jo CD r AQ IUS rL DSA BUS I AQ BUS l l I n 3613513413313213 13012912812712612512412312212 120119 I B 7 6 5114 31 2111 11019 181716 15 14 13 12 II Figure 3 2 Location for Installation of Controller PW Assembly A Q B...

Page 24: ...rm Interrupt PIB27 Connection8 may be made to any of the following CPU PoaitiGa Line 1 25 PIBIO LiRe 2 25 PlA7 Line 3 25 PIB7 Line 4 25 plA5 Line 5 25 PlA6 Line 6 25 PIB6 Line 7 25 PIB5 Line 8 26 PlAlO Line 9 26 PIBIO Line 10 26 PlA7 Line 11 26 PIB7 Line 12 26 PlA5 Line 13 26 PlA6 Line 14 26 PIB6 Line 15 26 PIB5 3 6 89637300 A ...

Page 25: ...on of the controller UE tc I mine that proper voltages are supplied to the controller card by measuring 1 5 vdc ootw en test points J ground and 63 on the PWA 1 Perform diagnostics check as described in the Systems Maintenance Monitor SMM17 Manual Publication Number 6011 J2000 89637300 A 3 7 3 8 ...

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Page 27: ...d the data is stored there until the controller issues a Print command The operation of the line printer can be divided into two phases 1 when it receives data from the controller and stores it and 2 the Print cycle in which it prints directly from the buffer without intervention from the controller The controller interfaces the line printer on a one to one basis When the line printer receives a c...

Page 28: ... ALARM INT EfIIP INT DS ATION READ 000 DECODER FUNCTI N WRITE DATA WRITE 000 WRITE 000 PRINT PRINT P K REPLY FCN READY REJECT WDTA LOGIC BUSY REPLY REJECT DATA TO COMPUTER REOUEST CHARACTER DATA STATUS DATA STATUS FROM i LINE IBUSY LINE READY PRINTER BUSY EOP I 0 COMPUTER WRITE DA m DATA BITS PRINT MC CLEAR PRINTER READY r I PARITY ALARM ERRI IR CIRCUIT PARITY PARITY alTS GENERATOR DATA DATA BITS ...

Page 29: ...DECODER When bits Q07 through Q10 match the equipment number of the controller bits Qll through Q15 are all zeros W O is low and Read or Write signals are present the EQST flip flop sets on the leading edge of the T1 clock pulse The EQST signal enables the Operation decoder which selects the operations to be executed according to Table 4 1 Table 4 1 Read Write Functions QOO WRITE READ 1 Director F...

Page 30: ...I REPLY REJECT 1 REPLY U13 6 O REJECT I r J REPLY REJECT l REPLY 1S Ull 9 O REJECT I S REPLY REJECT ENABLE J U2 9 I A Q REPLY OR REJECT U V U51 8 or 6 t A Q READ READ FF r U6 3 I L II r I EQST FF I REPLY REJECT ENABLE _ II lIil Figure 4 2 A Q Timing Read Write ...

Page 31: ...the counter which will generate the strobe signal to the line printer approximately 1 5 microseconds after the data is present on the lines to the line printer 5 Clears the Data FF After the line printer has sampled the data it deactivates the Character Request signal When CHARACTER REQUEST drops the one shot simulator generates a pulse 400 nsec wide which clears the Strobe FF When CHARACTER REQUE...

Page 32: ...4ITlIT2ln1T41 EQST 6 J REPLY REJECT S ENABLE I l f I l DATA FF STROBE REQUEST FF p I BUSY FF CONTROL FF U9 8 U9 9 ___________r n J CHARACTER REQUEST 7s e ax F nn T MT V ___ 1 2 lJsec LINE READY max Figure 4 3 Print Operatbn Timing ...

Page 33: ... used in the interrupt logic circuit The Print function starts the Print cycle It performs the following 1 Sets the Print FF which generates the control bit to the line printer As the timing of that bit is similar to the data bits the Data Status FF has to be set to enable that function 2 Starts the Strobe generating counter 3 Clears the Data FF When the line printer accepts the Control bit it dea...

Page 34: ...IT1 IT21 T3 IT4 I r IT4 IT1 IT2 IT1 IT4 IT1 I EQST FF DATA OK REPLY REJECT EUA3LE I l ff FF DATA FF S it l STROBE REQUEST FF f S U9 5 l i INC U CUTR n n u C fli I STROBE U7 6 CHARACTER REQUEST 1 Figure 4 4 IBta Transfer ...

Page 35: ... Alarm Request FFs are set the interrupt is generated immediately when the Data or Alarm condition becomes true The EOP Interrupt is generated only if the Request FF has been set before the EOP condition occurred The Alarm condition will exist if either of the following has occurred 1 The Parity Error FF is set or 2 The Ready signal from the line printer drops indicating that a malfunction has occ...

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Page 37: ...t signals are drawn coming from the left or above output signals are drawn going to the right or down The signal lines are sometimes interrupted to allow logical grouping of components At each such interruption one of the following indicators is used ON SHEET CONTINUATION REFERENCE SYMBOLS 89637300 ft_ These symbols when used with the logic symbols in the following diagrams indicate that a connect...

Page 38: ... that the signal is continued from or on For instance the numbers 3 6 refer to sheets 3 and 6 while 2 3 refers to sheets 2 and 3 It should be noted that the referenced sheet number s is always placed opposite the line extending from the hexagon The test point symbol on the logic diagram shows the connection of a test point on the printed wiring board PWB The number adjacent to the symbol refers to...

Page 39: ... the signal is placed in the open end of the connector symbol using the full name of the signal or the common abbreviation applicable to logic diagrams The connector number pin row and pin number are located above the line extending from the connector symbol 89637300 A SIGNAL NAME _ CONNECTOR NUMBER r PIN ROW 1 tf PIN NUMBER P1 READ 5 3 5 4 ...

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Page 41: ... register and the jumper settings match W O is true and a READ or WRITE signal is present the controller generates a Reply signal to the computer provided the condition exists When an illegal operation is detected the controller generates a Reject The controller always responds with Reply to a Read Director Status operation EQUIPMENT NUMBER DECODER SHEET 5 The equipment number of the controller is...

Page 42: ...ating the EQST signal The signal enables the operation decoding gates U12 When QOO is a 0 gate U12 8 generates the WDTA signal When the QOO is a 1 gate U12 6 generates the FCN signal WRITE DATA SHEET 5 When the WDTA signal U12 8 is generated a check is performed to determine whether the operation can be performed The conditions are ANDed at gate U24 and the DTAOK signal is generated by gate U24 8 ...

Page 43: ...ter the REPLY to the computer is dropped The EQST FF sets on the leading edge of clock pulse TI The EQST signal U2 5 enables the decoder gate UI3 8 which generates the DS signal if QOO I The signal generates the REPLY UI3 6 and enables the status bits to the A channel to ensure stable data until the Reply drops REPLY REJECT LOGIC SHEET 5 When the EQST FF U2 is set on TI the operation to be perform...

Page 44: ... together with the data Nine bits eight data bits plus parity are actually transmitted to the line printer INTERRUPT LOGIC SHEET 2 This logic is used to generate the interrupt response requested by the computer Four interrupt lines are provided Interrupt on EOP Interrupt on Data Interrupt on Alarm and a common interrupt which is the logical OR of the other three The interrupt responses are enabled...

Page 45: ... the Character Request signal again The Data FF U19 9 is then set enabling further transmission When the Print operation is t6 be performed the Busy FF U26 8 is set on the trailing edge of the Write signal Gate U26 9 generates the Control Bit signal which when strobed by the Strobe signal instructs the line printer to enter the Print cycle The cycle is initialized at the line printer dropping the ...

Page 46: ...r is accomplished by using logic transmitters receivers in differential mode The receivers U34 U35 and U36 are type 910 and the transmitters U46 through U52 are type 909 Ready Line Ready Character Request Parity Error and Load Image are each received from the line printer affecting the related circuitry as discussed 5 10 89637300 A ...

Page 47: ..._I_A2_1____ 51 r PR TEeT PIA23 Wllr PI_21 READ DELAYED F f w o PIA20 VCC I g d 010 009 r 1 1 007 PIBli QOB PIAII OO9 PIBII QIO PIAI7 NOTE 51 THRU 55 ARE AT U54 RR EHAkE DETAILED LOGIC DIAGRAM LINE PRINTER 1 p ii iiLY P n xiUCT I l AD J AOi A 1 ...

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Page 49: ...co 1 0 W W o o OJ J 1 I W U I I DETAILED LOGIC DIAGRAM LINE PRINTEA ...

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Page 51: ...l C NTR L BIT PZI20 ClNTR L lIT II 909 U49 P2A liT 02 P2BI ii i Oi P2AIS P211S lIT 01 IITOI PZAI4 CHARACTER REQUEST S P2814 Z K L LPD IMAGE A LiA6 iMAGE p PARlTV ERR PAIIlTv t iR I T U J L I Z II 3 te 4 909 USO 10 6 B 6 C7 10nF r J CI 10nF DETAILED LOGIC DiAGRAM LINE PRINTER I P2AII BIT 04 PUll ii f04 PZAIO BIT 03 P2810 BiT 03 PZA07 BITOe PB7 BIT06 PZA06 BIT 05 iI f O P2A04 PARITY liT P2B mnTYI Il...

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Page 53: ...A 4 S AC I ALARM FF r ___ I I R UZ6 FF S w I I I I I J 2 R 3 K 3 IK RI 3 1M vee RS 3 K PIIze 9filin IJL ____ r_ PI 82 S T el IIII III r I lto l I I Hv I fER a I I I S AG I I I I I I I S S S AN IZ 36 DETAILED LOGie DIAGRAM LINE PRINTER 1 ...

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Page 55: ...AA A A 2 C 2 8 2 A 3 AC D 4 8 I AD 8 2 8 2 AE A 8 1 AF A I 8 2 A6 8 A I AH A 2 A 2 AJ A A I A C I 8 3 AL 8 0 1 AM C 3 0 2 A A 8 2 AP A 3 8 C 2 A a 2 8 5 AS a 2 e 2 AT 8 I 5 AU a 8 2 AV C I 2 AW 0 2 8 2 A A 2 e 3 A 0 2 0 AZ e C 2 A 0 2 0 2 e 3 0 1 ae 0 2 0 2 aD e 2 A 3 aE 5 e I U 1 a 0 5 e 2 I 0 U 1 I N a 5V I f rCI2 CS PIA29 c ell UHF S f R3 R2 Hi vee I vee I v I vee ALL RESBreRS ARE 0 25 WATT 5 U...

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Page 57: ...Customer Engineering Manual 1784 Computer Reference Manual 1700 Computer System Codes Manual System Maintenance Monitor SMM17 MAINTENANCE QUANTITY 1 1 1 1 Publication No 89633300 89633400 60163500 60182000 6 Preventive maintenance of the controller is not required After it is determined that the controller has failed remove and replace the PW assembly with an identical problem free assembly For re...

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Page 59: ...cable to the line printer controller Name Part Number LINE PRINl ER Printed Wiring Assembly 89898200 Interrupt Cable Assembly 89724702 I Internal Cable Assembly 89641800 External Cable Assembly Shielded FF524 A04 and up 898185 I 89637300 B 7 1 7 2 ...

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Page 61: ...ler Wire size color orlgm destination and name of the signal normally found on that wire are included in Table 8 1 for the external cable and in Table 8 2 for the internal cable A pin list for the line printer controller PWB is also included in this section in Table 8 3 89637300 A 8 1 ...

Page 62: ...Y BIT 9 WHT V PARlTV ERROR 10 YEl W PAR lTV ERROR I 11 WHT S BIT05 12 GRN T BIT05 13 WHT U BIT06 14 BlU V BI T06 11 WHT z LOAD IMAGE 16 VIO AA LOAD IMAGE I 17 BlU k LINE READY 18 BlK m LINE READY 19 WHT M BI T03 20 BRN N BITO 3 21 BRN P BIT04 22 BlK R BIT04 23 RED h READY 24 BRN j READY 25 N A 26 N A 27 YEL 0 CHARACTER REQUEST 28 BRN C CHARACTER REQUEST I 29 GRN H BITOI 30 BRN J BITO 1 8 2 8963730...

Page 63: ...IT02 33 N A 34 N A 35 N A 36 N A 37 N A 38 N A 39 BRN a CONTROL BIT 40 VIa b CONTROL BIT 41 N A I 42 N A 43 ORN E Bnoo 44 RED F BITOO 45 N A 46 N A 47 N A 48 N A 49 BLU e BUFFER CLEAR 50 RED f BUFFER CLEAR I 51 N A 52 N A 53 VEL A STROBE 54 RED B STROBE 5 N A 56 N A 57 N A 58 N A 59 BLK n M C 60 ORN P M 66 BARE SHIElD GND I 89637300 B 8 3 8 4 ...

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Page 65: ...3 GND 6 BlK P2B03 N A 7 WtfT ORN P2A04 PARITy BIT 8 BlK P2B04 PARITY BIT 9 WHT YEl P2A05 PARI TV ERROR I 10 BlK P2B05 PARITY ERROR 11 WHT GRN P2A06 BIT as 12 BlK P2B06 BIT 05 13 WHT BlU P2A07 BIT 06 14 BlK P2B07 BIT 06 15 WHT VIO P2A08 LOAD IMAGE I 16 BlK P2B08 LOAD IMAGE 17 WHT GRA P2A09 LINE READY 18 BlK P2B09 lINE READY 19 WHT BlK P2AID BIT 03 20 BRN P2BID BIT 03 21 WHT BRN P2All BIT 04 8963730...

Page 66: ... A 26 BRN P2B13 N A 27 WHT YEL P2A14 CHARACTER RE Q U_E T _ 28 BRN P2B14 CHARACTER REQ UEST 29 WHT GRN P2A15 BIT 01 30 BRN P2B15 BIT 01 31 WHT BLU P2A16 BIT 02 I 32 BRN P2B16 BIT 02 33 WHT VIO P2A17 N A 34 BRN P2B17 N A 35 WHT GRA P2A18 N A 36 BRN P2B18 N A 37 WHT BLK P2A19 N A 38 RED P2B19 N A 39 WHT BRN P2A20 CONTROL BIT 40 RED P2B20 CONTROL BIT 41 WHT RED P2A21 N A 42 RED P2B21 N A I 8 6 896373...

Page 67: ...2 BIT 00 45 WHT YEL P2A23 N A 46 RED P2B23 N A 47 WHT GRN P2A24 N A 48 RED P2B24 N A I 49 WHT B LU P2A25 BUFFER CLEAR 50 RED P2B25 BUFFER CLEAR 51 WHT VIO P2A26 N A 52 RED P2B26 N A 53 WHT GRA P2A27 51 ROBE 54 RED P2B27 STROBE 55 WHT BLK P2A28 N A 56 ORN P2B28 N A 57 WHT BRN P2A29 N A 58 ORN P2B29 N A 59 WHT RED P2A30 Me 60 ORN P2B30 MC 89637300 B 8 7 ...

Page 68: ...ADO 3 AD7 4 4 A08 5 5 6 A03 6 7 A04 7 I 8 8 9 9 10 10 11 11 GND I 12 QOD 12 13 13 14 14 15 15 Q07 I 16 Q08 16 Q09 I 17 Q10 17 18 18 19 19 20 W O 20 21 READ 21 WRITE 22 REPLY 22 REJECT 23 PROTECT 23 24 24 EOP INT 25 25 COMMON INT 26 26 DATA INT 27 27 ALARM INT 28 28 I 29 GND 29 30 30 PlA31 P1B31 8 8 89637300 B ...

Page 69: ...T 05 6 BIT 05 7 BIT 06 7 BIT 06 8 8 9 LINE READY 9 LINE READY 10 BIT 03 10 BIT 03 11 BIT 04 11 BIT 04 12 READY 12 READY 13 13 14 14 15 BIT 01 15 BIT 01 16 BIT 02 16 BIT 02 17 17 18 18 19 19 20 CONTROL BIT 20 CONTROL BIT 21 21 GND 22 BIT 00 22 BIT 00 23 23 24 24 25 BUFFER CLEAR 25 BUFFER CLEAR 26 26 27 STROBE 27 STROBE 28 28 I STPCK 29 29 EXCK 30 MC 30 MC P2A31 VCC P2B31 89637300 A 8 9 8 10 ...

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Page 71: ...______________________________________________________________ BUSrNE88 ADDRESS _______________________________________________________________ COMMENTS Thil form il not intended to be uled al an order blank Your evaluaaon of tIlll muual will be welcomed by Control Data Corporation ltAyerrorl luae_ed additioftl or deletion or pural comme may be made below Pleue Include pap number ...

Page 72: ...__________ J BUSINESS REPLY MAIL NO POSTAGE STAMP NECESSARV IF MAiLED N U S A POSTAGE WILL BE PAID BV CONTROL DATA CORPORATION PUBLICATIONS AND GRAPIUCS DIVISION 4455 EASTGATE MALL LA JOLLA CALIFORNIA 92037 FIRST CLASS PERMIT NO 313 LA JOLLA CA FOLD STAPLE STAPLE ...

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