SCELBI-8H Assembly Manual
Contents
1. 7 03 XA 7 5 5 14512114 14111131 lb 11 58 1111 1414 411 mm gt gt mr trr m m gt p p gt gt 1 1 3 Y t E E E f 2222 0 Cc 55 2 K XZ HZ C C O x xxx gt x 3 D R DAB PAL peL DAL D L DIE DIE DIB DIB DIE DIL DIL DIL DIL DIL 1 DEL D2L LIK 031 031 031 31 D3L hak pal Dal SCELBI 8H P C CARD NEST WIRING SCELBI 8H CARD NEST WIRING B R DSL XA 5 B R DSL B R DSL 7 05 8 B R 13 68 XA 5 D6B 6 7 8 B S DeL 5 B S DeL B S DeL XA07 B S DeL 8 B S DEL 14 D7B XA 5 DIB 6 D7b XA 7 D7B 8 A R D7B B T DIL 5 B T XA 6 B T DIL 7 B T 071 DIL 816 MINO XAOS A S MIN2. A Y RDYN nneiteg 2 A Z 4 A L RUN 53 RUN 53 A N STEP s2 B A SYNC B B SYNC XA 2 INT OPTION A C INT 1 759557 B T TIIN B U TIIN 51 SIG GND 52 SIG GND 53 SIG GND 54 TPI SIG GND 55 SIG GND 56 SIG GND 57 SIG GND 58 SIG GND s9 SIG GND Si SIG GND 511 SIG GND A C SIG GND 56 1 81 8 INPUT 0UTPUT WIRING INSTALLING WIRES FROM THE CARD 50 5 THE 1 0 CONNECTORS YOV SHOULD HAVE COMPLETED THE BASIC CARD SOCKET WIRING NOW THE ONLY WIRING REQUIRED TO COMPLETE YOUR WNIT IS WIRING TO THE 1 0 CONNECTORS THE WIRING OF THESE CONNECTORS IS DETAIL ED BELOW IT SHOULD BE NOTED THAT IF YOU HAVE THE SGELBI 8H BASIC CARD SET CONSISTING OUR 1188 CPU CARD 1101 DBB amp CARD 91102 INPUT CARD 941104 FRONT PANEL CARD AND AT LEAST ONE 1103 RAM MEMORY CARD THAT YOU NOW PLUG THOSE CARDS INTO THE CARD SOCKETS THAT YOU HAVE COMPLETED THE WIRING PROVIDE AND AN OPERATION AL SCELBI B8H MINI COMPUTER WITHOUT 1 0 CAPABILITY IF YOU DESIRE TO CHEGK OUT YOUR SCELBI 8H CARD SET PRIOR TO INSTALLING THE 1 0 WIRING REF
3. CARD NEST WIRING SECTION II ASSFMBLY OF SCELBI 8H 6616 PANFL UNIT CUSTOMERS WHO PURCHASED THE SCELBI BH CHASSIS KIT WILL RECEIVE CHASSIS WITH THE SCELBI 91185 BACKPLANE HARNESS BOARD AND CARD SOCKETS INSTALLED THE UNIT PROCEED AS FOLLOWS PERSONS PROVID NG THEIR OWN CHASSIS SHOULD PROCEED TO THE NEXT PAGE CONTINUE COMPLETING THE CHASSIS WIRING i 1 MOUNT THE 14 lt il PIN 1 0 CONNECTORS AT THE REAR OF THE CHASSIS IN THE HOLES PROVIDED FOR THE INP AND CONNECTORS USE THE RETAINER CLIP RINGS PROVIDED TO FASTEN THE CONNECTORS THE UNIT POSITION THE SOCKETS SO THAT THE SLOT KEY IS POINTING TOWARDS THE HOTTON OF THE CHASSIS CRFFFR TO 5 31 AND 3100B 2 09 INSTALL THE MALE PIN CONNECTOR AT THE REAR OF THE CHASSIS USING A RETAINER CLIP RING TWO LARGER PINS PENG SHOULD BE TOWARDS oF CHASSIS 2 3 INST LL 2 AS PER THE ILLUS INCLUDED WITH THE GUIDES MOUNT ONE GUIDE ON THE OUTER END OF EACH PAIR OF CARD SOCKETS esk 4 MOUNT THE FRONT PANFL UNIT TO THE CHASSIS USING THE CHASSI TOGGLE 8 INSTALL SEVERAL SWITCHES TO HOLD THE PANEL IN PLACE MAKE SURE ALL THE HOLES DINE UP TIGHTENING THE SWITCH NUTS M P R T A N T MAKE SURE THE TOGGLE SWI
4. 55 AND THEN ASCERTAIN THAT 9 VOLTS 15 PRESENT BETWEEN PINS 5 9 AND COMMON AS WELL AS PINS AE 9 AND SURE THAT THE VOLTAGE POLARITY IS CORRECT NOTICE IT IS FXTREMELY IMPORTANT THAT CORRECT VOLTAGE POLARITY EXISTS TO THE 5 8 COMPUTER CARDS WHILE EACH SCELBI CARD IS FUSED AND DIODE PROTECTED AS A PRECAUTION AGAINST INCORRECT POWER CON NECTIONS AS WELL AS OVER VOLTAGE THESE PROTECTION CIRCUITS ARE INTENDED ONLY TO SERVE AS MOMENTARY PROTECTIVE DEVICES SCELBI CARDS THAT HAVE BEEN DAMAGED BECAUSE OF THE APPLICATION OF INCORRECT VOLT AGES ARE NOT COVERED BY THE SCELBI WARRANTY INSTALLATION OF CARDS BEFORE PLUGGING IN THE SCELBI 8H CARD SET MAKE CERTAIN THAT THE POWER SUPPLY TO THE UNIT IS TURNED OFF NEVER PLUG OR UNPLUG CARDS INTO THE CHASSIS UNIT WHEN POWER IS CONNECTED REFER TO SCELBI DRAWING 4310 AND INSTALL CARDS INTO THE CHASSIS UNIT AS FOLLOWS MAKE SURE THE COMPONENT SIDE OF THE CARDS IS FACING TOWARDS THE FRONT OF THE CHASSIS UNIT PLUG THE 1104 FRONT PANEL CARD INTO SLOT 1 FRONT MOST SLOT PLUG THE 1100 CPU CARD INTO SLOT 2 PLUG THE 1101 DBB OUTPUT CARD INTO SLOT 3 PLUG THE 1102 INPUT CARD INTO SLOT 4 PLUG A 1103 RAM MEMORY CARD INTO SLOT 5 PLUG ANY ADDITIONAL 91103 RAM MEMORY CARDS INTO SLOT S 6 7 8 INITIAL OPERATION WHEN THE CARDS HAVE BEEN INSTALLED IN THEIR APPROPRIATE SLOTS YOUR SCELBI 8H MINI COMPUTER IS READY TO O
5. INCH AND CONNECT THE STRIPPFD END TO THE DESIG PIN ON THE 1 0 CONNECTOR THEN THE WIRE UP THE CENTER 5515 UNTIL IT ALMOST THE PRINTED CIRCUIT IN SLOT THEN BEND THE WIRE RIGHT ANGLE AND RUN PARALLEL WITH THE PRINTED CIRCUIT CARD SOCKET UNTIL IT REACHES THE DESIGNATED PIN LEAVE ABOUT 3 4 INCH ADDITIONAL WIRE CUT AND STRIP THE WIRE 1 4 OF AN INCH AND MAKE THE CONNECTION AT THE PRINTED CIRCUIT CARD SOCKET AS THE WIRES ARE INSTALLED KEEP THEM NEATLY DRESSED IN A BUNDLE USING PIECES OF MASKING TAPE IF NECESSARY ALL THE WIRES GOING TO THE CARD SOCKETS WILL FORM A CABLE THAT WILL BE WITH 5 THE WIRING BEEN COMPLETED FROM REF DESIG SKI PIN 1 35 PIN 15 gt SK10 PIN 2 35 PIN B L 15 SK1 PIN 3 36 PIN 15 SKI PIN 4 035 PIN B N 15 D3L gt SK11 5 35 B P 15 SK11 6 35 15 3 29 SK11 7 35 B S 15 DEL SKIL PIN 8 35 PIN B T 15 OUTPUT STROBE WIRING THE FOLLOWING WIRES CONNECT THE OUTPUT STROBE LINES FOR THE OUTPUT PORTS FROM THE DBB 4 OUTPUT CARD THAT RESIDES IN SLOT RUN THE WIRES FROM THE DESIGNATED OUTPUT SOCKET UP THE MIDDLE OF THE CHASSIS AND THEN OVER TO THE APPRO
6. CARD SOCKETS THE LEFT MOST SOCKET WHEN VIEW FROM THE FRONT THE UNIT IS TERMED THE SOCKET AND THE LEFT ONE DESIGNATED THE 50 FINALLY THE PINS ON EACH SOCKET ARE DESIGNATED AS FOLLOWS THE ROW OF 22 PINS THAT ARE TOWARDS THE FRONT OF THE UNIT ARE DESIGNATED FROM LEFT TO RIGHT AGAIN AS VIEWED FROM THE FRONT AS PINS NUMBERS 1 THROUGH 22 THE OTHER ROW OF 22 PINS ARE REFERRED TO BY ALPHABETICAL DESIGNATION US ING THE LETTERS A THROUGH Z WITH THE LETTERS 6 1 O AND Q OMITTED IT IS IMPORTANT TO ENSURE THAT THE UNIT BEING 0 5 FOLLOWS THESE REFERENCE DESIGNATIONS SO THAT THE UNIT 15 PROPERLY 5 ALL WIRING REFERENCES IN THIS DOCUMENT RELATE TO THE ABOVE LABELING CONVENTION 1 0 SOCKETS AND THE POWER PLUG MAY BE MOUNTED ALONG THE REAR OF THE CHASSIS UNIT THE STANDARD SCELBI 8H 1 0 CONNECTOR USED ON THE CHASSIS 15 AN 11 AMPHENOL 78511 SOCKET MOUNTED WITH THE KEY POINTING TOWARDS THE BOTTOM OF THE CHASSIS STANDARD SCELBI PERIPHERAL CABLES MATE WITH THIS OF SOCKET IF YOU DESIRE TO USE ANOTHER OF SOCKET YOU WILL HAVE TO PREPARE YOUR OWN 1 0 CABLES SHOULD YOU PUR CHASE ADDITIONAL SCELBI 1 0 DEVICES AND YOU WILL HAVE TO ARRANGE YOUR OWN PIN ASSIGNMENTS AND APPROPRIATELY ALTER THE 1 9 WIRING INSTRUCTIONS PROVIDED IN THIS DOCUMENT THE POWER PLUG RECOMMENDED SCELBI 15 AMPHENOL 86CP4 OR EQUI VELANT THIS 15 A FOUR PIN
7. PIN 11 SIG GND 5 2 PIN 11 25 SKI PIN 11 15 SIG GND SK12 11 SK13 PIN 11 SIG GND gt PIN 11 25 SK14 PIN 11 15 SIG GND SK12 PIN 11 35 SK11 PIN 11 SIG GND 1 0 CONNECTOR WIRING FROM REF DESIG 5 11 11 25 5 18 PIN 11 SIG GND SKI PIN 11 255 _ 9 PIN 11 516 GND 5 9 11 25 SK8 PIN 11 516 GND 5 8 PIN 11 25 07 11 15 SIG GND SK7 PIN 1 15 5 8 PIN SK8 1 28 SK9 PIN 1 9 1 25 SK1 PIN 1 5 8 PIN 1 SK11 PIN 1 SK11 PIN 1 25 SK12 PIN 1 12 PIN 1 25 SK13 PIN 1 5 PIN 1 25 5 4 PIN 1 15 001 5 7 2 15 SK8 2 SK8 PIN 2 25 5 9 5 9 PIN 2 25 5 PIN 2 DIL 5 PIN 2 SK11 PIN 2 DIL 5 11 PIN 2 25 SK12 PIN 2 DIL SK12 PIN 2 25 SK13 PIN 2 DIL SK13 PIN 2 25 SK14 PIN 2 15 DIL SK7 PIN 3 15 5 8 PIN 5 8 PIN 3 25 SK9 PIN 3 SK9 PIN 3 25 222 SK10 3 SKI PIN 3 SKll PIN D2L SKII 285 00 SK12 PIN 3 D2L SK12 PIN 3 28 SK13 PIN 3 021 SK13 PIN 3 25 5 14 15 5 7 PIN 4 15 5 8 PIN 4 D3L 5 8 25 5 9 PIN 4 D3L SK9 PIN 4 25 8 10 PIN 4 D3L 1 1 0 WIRING FROM SKIO PIN 4 SKI1 PIN 25 5 19 PIN 4 25 SK13 PIN 4 28 SK7 PIN 5
8. SIS UNIT ON YOUR POWER SUPPLY THIS CONNECTOR MATES WITH THE CABLE TO PROVIDE A QUICK AND EASY CONNECTION METHOD THE PIN ASSIGN MENTS FOR THE POWER CABLE ARE SHOWN BELOW POWER CONNECTOR PIN 1 5 VOLTS POWER CONNECTOR PIN 2 D C COMMON SIGNAL GROUND POWER CONNECTOR 3 D C COMMON SIGNAL GROUND POWER CONNECTOR PIN 4 9 VOLTS IMPORTANT NOTICE IF YOU ARE PROVIDING YOUR OWN SUPPLY FOR YOUR 5 8 1 1 WE URGE YOU TO PROVIDE GOOD ONE SPEND GOOD AMOUNT OF MONEY ON WELL DESIGNED QUALITY PRODUCT AND THEN NOT PROVIDE DECENT POWER SUPPLY IS PLAIN FOOLISHNESS THE POWER SUPPLY SHOULD BE ABLE TO PROVIDE THE NECESSARY CURRENT WHILE MAINTAINING GOOD VOLTAGE REGULATION SHOULD HAVE GOOD TRANSIENT RESPONSE IT SHOULD BE ADEQUATELY BY PASSED TO PREVENT SPURIOUS OSCILLATIONS FAILURE TO PROVIDE A GOOD POWER SUPPLY CAN RESULT IN ERRATIC OPERATION OF THE SCELBI T 8H i REFER SCELBI DRAWING 3180 AND CONNECT THE POWER SUPPLY THE SCELBI 8H CHASSIS IF YOU HAVE PROVIDED YOUR GWN SUPPLY IT IS RECOMMENDED THAT YOU PERFORM TEST TO ENSURE THAT YOUR POWER SUPPLY CONNECTIONS ARE CORRECT BEFORE PLUGGING IN THE 5 1 8 COMPUTER CARD SET TO DO THIS SIMPLY TURN ON YOUR POWER SUPPLY AND VERIFY THAT 5 VOLTS IS PRESENT BETWFEN PINS 5 AND COMMON AS WELL AS BETWEEN 5 AND AC COMMON ON THE CARD 50
9. 5 8 ASSEMBLY AND INSTALLATION INSTRUCTIONS AND SYSTEM DOCUMENTATION SCELBI SYSTEM NUMBER Q COPYRIGHT 1974 SCELBI COMPUTER CONSULTING INC 125 EDGEFIELD AVENUE MILFORD CT 06460 ALL RIGHTS RESERVED INTRODUCTION THIS DOCUMENTATION PROVIDES AND INSTALLATION INSTRUCTIONS FOR SCFLBI 8H IT CONSIST OF THRFE MAJOR 1 8 CARD WIRING INFORMATION 2 1 0 WIRING INSTRUCTIONS 3 SCELBI 5H INITIAL INSTALLATION AND OUT PROCFDURFS 05 5 WHO PURCHASED COMPLFTFLY ASSFMBLED AND TESTED SCFLBI 8H 5 MAY PROCEED DIRECTLY TO THE THIRD SECTION SECTIONS 4 AND 2 ARE INCLUDED AS REFFRFNCES BUT THE PROCEDURES DISCUSSED THOSE SECTION WERE PERFORMED AT THE FACTORY CUSTOMERS WHO PURCHASED SCELBI H CHASSIS K TS ALONG WITH THEIR CARD SETS SHOULD START AT SECTION 2 WIRING DIS CUSSED IN SECTION 1 IS CONTAINFD ON THE SCFLBI 8H BACKPLANF HARNESS BOARD CUSTOMERS WHO PURCHASED JUST SCFLBI 8H CARD SET AND WHO ARF PROVIDING THEIR OWN CHASSIS AND CARD MOUNTING HARDWARE SHOULD START WITH SECTION 1 7 00 SCELBI 8H CARD SET GHASSIS ASSEWBLYZWIRING CUSTOMERS WHO PURCHASE JUST THE BASIC CARD SET FOR THE SCELBI 8H MINI COMPUTER HAVE TO PROVIDE THEIR OWN CHASSIS CARD CONNECTORS 1 0 CONNECTO
10. SUPPLY THE SCELBI 8H 1 1 RFQUIRES POWER SUPPLY CAPABLE DELIVERING 5 VOLTS AND 9 VOLTS PLUS OR MINUS 21 THE CURRENT REQUIREMENTS OF THE SUPPLY DEPEND ON THE AMOUNT OF MEMORY IN THE SYSTEM AND ANY ADDITIONAL PERIPHERAL UNITS WHICH MAY BE CONNECTED TO THE SUPPLY THE AMOUNT OF CURRENT THAT THE POWER SUPPLY MUST BE CAPABLE OF DELIVERING WHILE MAINTAINING ADEQUATE VOLTAGE REGULATION CAN BE DETERMINED FROM THE FOLLOWING DATA THE BASIC SCELBI CARD SET CONSISTING OF ONE FACH OF SCELBI 1100 CPU CARD SCELBI 81181 DBB amp OUTPUT CARD SCELBI 1102 INPUT CARD AND SCELBI 911904 FRONT PANFL CARDI RFQUIRFS A MAXIMUM 1 5 AMPS AT 5 VOLTS AND 100 MILLIAMPERES OF 9 VOLTS EACH OF MEMORY IN THE SYSTEM 256 WORDS REQUIRES 200 MIL LIAMPERES OF 5 VOLTS AND 9 VOLTS THE CURRENT REQUIREMENTS FOR ANY ADDITIONAL PERIPHERAL UNITS UTILIZING THE POWER SUPPLY MUST BE ADDED TO OBTAIN THE TOTAL CURRENT THAT THE POWER SUPPLY MUST PROVIDE FOR EXAMPLE A BASIC SCELBI 8H EQUIPPED WITH 1 024 WORDS OF MEMORY PAGES REQUIRES 2 AMPS 2 3 AMPS OF 5 VOLTS AND 4 X 2 AMPS 9 AMPS OF 9 VOLTS IF YOU PURCHASED A SCELBI POWFR SUPPLY WITH YOUR SYSTEM YOU NEED ONLY TO CONNECT THE POWER SUPPLY TO THE COMPUTER 9 1 THE POWER CABLE PROVIDED IF YOU PROVIDING YOUR OWN SUPPLY YOU MAY WANT TO INS TALL THE 4 PIN FEMALE POWER CONNECTOR PROVIDED WITH THE SCELBI 8H CHAS
11. 6 A S XA 7 5 MIN XAg8 A S MIN 16 MINI XA 5 A T MINI MINI 7 MINI 8 MINI A17 MIN2 XAOS A U MIN2 XADE 0 1 2 XAg7 A U MIN2 XA 8 A U MIN2 XA 4 18 MIN3 5 A V A V MIN3 XA 7 A V MIN3 8 19 5 A W 6 MINA 7 A W MINA 8 20 MINS 5 MINS 6 MINS XA 7 5 MINS 21 MIN6 5 A Y MING 6 A Y MING XA 7 A Y 6 A Y MIN6 XA 4 22 1 7 XA 5 2 MIN7 6 A Z 7 7 A Z 7 8 A Z 1 7 5 B XA93 B 2 MIN 5 MIQN 7 9 MI N Bi MIIN XA07 BI MIIN XA 3 Bll MI2N 7 MI2N 7 13 MIAN XA 8 MIAN XAg3 15 8 15 815 8 15 16 6 17 XA 8 17 XA 5 2 XAg3 B 4 M3N 5 B 4 M N XA B05 MAN XA93 B G MSN 6 B G 5 XAg3 7 96 B 7 MEN 3 6 B08 XA 2 2 WRITE XA 5 2 WRITE XAg6 2 WRITE 7 B Z WRITE B Z WRITE 8
12. BE NATURAL TREND FOR THE NEW PROGRAMMER TO IMMEDIATELY ASSUME THAT THE INE IS NOT OPERATING CORRECTLY WHEN A PROGRAM DOES NOT PERFORM AS THE NOVICE PROGRAMMER INTENDED AS A GENERAL RULE OF THUMB WHEN A PROGRAM DOES PEFORM PROPERLY THE LAST THING TO CONSIDER IS A HARDWARE MALFUNCTION DOCUMENTATION YOUR SCELBI BH IS SUPPLIED WITH FULL DOCUMENTAT ION INCLUDING SCHEMATICS ASSEMBLY DRAWINGS AND WIRE 115745 AND PARTS LISTS FOR THE CARDS YOU MAY REFER TO THOSE DRAWINGS TO GAIN INSIGHT INTO THE MACHINES OPERATION OR AS REFERENCES SHOULD TROUBLE EVER OCCUR WITH YOUR SYSTEM MAINTENANCE PROCEDURES THE ONLY NORMAL MAINTENANCE REQUIRED BY THE SCELBI 8H IS THAT THE UNIT BE PERIODICALLY DUSTED TO PREVENT FXCESSIVE HEAT FROM BUILDING UP ON COMPONENTS A SMALL SOFT CLEAN PAINT BRUSH IS AN IDEAL INSTRUMENT TO USE TO CLEAN THE PRINTED CIRCUIT CARDS WARRANTY AND SERVICE INFORMATION SCELBI PRODUCTS ARE WARRANTED FOR PERIOD OF 9 DAYS FROM DATE OF SHIPMENT IN THE CASE OF ASSEMBLED UNITS THIS WARRANTEE APPLIES TO ALL PARTS MATERIALS AND WORKMANSHIP IN THE CASE OF KITS THE WARRANTEE APPLIES ONLY TO COMPONENTS AND MATERIALS WHEN SUCH PARTS AND MATERIALS ARE ASSEMBLED IN THE PROPER MANNER THE WARRANTEE IS VOIDED IN ITS ENTIRETY IF THE PURCHASER FAILS TO FOLLOW SCELBI PROVIDED ASSEMBLY APERATINGy OR MAINTENANCE 1 STRUCTIONS PHYSICALLY ABUSES THE EQUIPMENT THROUGH NEGLECT OR MIS HANDL
13. PROBLEM IS RARE IN SCELBI CARDS BUT IT CAN OCCUR THE DETECTION IS GENERALLY EASY ONCE A PROBLEM HAS BEEN LOCALIZED TO A PARTICULAR CIRCUIT IN THAT A DRIVING SIGNAL PRESENT AT AN OUTPUT DEVICE WILL NOT BE PRESENT AT THE INPUT 5 IS SUPPOSED TO DRIVE AN OHM METER CHECK WILL VERIFY AN OPEN FEED THROUGH AN OPEN FEED THROUGH HOLE CAN BE FIXED BY INSERTING A PIECE OF WIRE THROUGH THE HOLE AND SOLDERING IT IN PLAGE LOCATING FAULTY COMPONENTS GENERALLY REQUIRES SOME TECHNICAL SKILL AND THE ABILITY TO FOLLOW THE LOGIC DETAILED IN THE SCHEMATICS INCLUDED WITH THE SYSTEM PERSONS PURCHASING UNASSEMBLED CARD SETS WERE ADVISED TO HAVE SUCH SKILLS AND NO ATTEMPT AT DISCUSSING THE TECHNIQUES WILL BE MADE HERE SUFFICE TO SAY AS A REMINDER THAT THE TTL DEVICES USED IN THE SCELBI 8H WHEN OPERATING PROPERLY WILL HAVE LESS THAN 0 4 VOLTS A LOGIC LOW AND AT LEAST 2 0 VOLTS WHEN A LOGIC ONE 1 LOGIC SIGNAL FOUND IN THE RANGE 8 4 2 0 VOLTS IS GENERALLY SIGN OF A FAULTY COMPONENT OF DEFECTIVE CIRCUIT SUCH 5 A SHORT BETWEEN DIF FERENT SIGNAL LINES ALSO IF AN INPUT TO TTL DEVICE IS FLOATING DEVICE VILL ASSUME LOGIC HIGH 1 LEVEL AT THE INPUT SHOULD BE FOUND FAULTY IT SHOULD BE REMOVED IN THE MANNER PRESCRIBED WE THE DISCUSSION OF IMPROPERLY INSTALLED COMPONENTS TO AVOID DAMAGE TO THE FOIL LANDS
14. 1 PORT WIRING FROM TO DESIG 8 6 PIN 3 15 18 INP52 SK6 PIN 4 15 PIN 15 1NP53 8 6 PIN 5 169 PIN GS INP54 gt SK6 PIN 6 18 XA4 PIN 15 INP55 y SK amp PIN 7 15 PIN 5 15 INPS6 SK6 PIN 8 15 15 INP57 YOU HAVE NOW COMPLETED THE WIRING FOR THE 5 1 8 CHASSIS THIS TIME IS GENERALLY 6000 IDFA A FEW MINUTES TO PERFORM A CHECK OF THE WIRING YOU HAVE INSTALLED USE CIRCUIT CONTINUITY TESTER AND GO BACK OVER THE WIRING LIST TO MAKE SURE EACH HAS BEEN CONNECTED TO THE PROPFR POINT WHEN YOU HAVE RE CHECKED YOUR WORK YOU MAY USE THE PLASTIC TIE WRAPS AT SEVERAL PLACFS ALONG THE WIRES YOU HAVE INSTALLED TO FORM A NFAT AND STURDY CABLE YOUR CHASSIS 15 READY TO ACCEPT THE SCELBI 8H CARD SET PROCEED TO THE SECTION ON INITIAL INSTALLATION AND CHECK OF YOUR 5 1 SCELBI 8H INITIAL INSTALLATION AND CHECK OUT PROCEDURES INITIAL INSTALLATION AND CHECK OUT OF THE 5 1 8 IS STRAIGHT FORWARD THE PROCEDURE CONSIST FSSFNTIALLY OF CONNECTING A POWER SUPPLY PLUGGING THE CARDS INTO THE APPROPRIATE CARD 50 5 AND VERIFYING PROPER OPERATION BY LOADING AND EXECUTING SEVERAL SIMPLE PROGRAMS CONNFCTION OF THE
15. 1 1S INP13 gt 5 2 PIN 5 15 XA4 PIN 11 15 INP14 5 6 15 12 GS 1 15 INPUT PORT WIRING FROM 5 2 PIN 7 15 PIN A13 15 6 SK2 8 15 14 15 1 17 SK3 PIN 1 159 PIN B A 15 INP20 SK3 PIN 2 615 PIN B B 15 INP21 SK3 PIN 3 15 XA4 PIN B C 15 INP22 _ PIN 4 15 PIN B D 15 1 23 SK3 PIN 5 15 PIN B F 15 1 2 SK3 PIN 6 15 PIN IS INP25 SK3 PIN 7 15 PIN B H 159 INP26 SK3 PIN 8 15 PIN 15 27 SK4 PIN 1 15 PIN Bl 15 _ INP3 SKa PIN 2 15 PIN B2 15 INP31 SKa PIN 15 PIN 15 1 2 PIN 159 PIN 15 1 SK4 PIN 5 15 PIN 5 15 1 SK4 PIN 6 15 XAA PIN 15 1 5 SK4 PIN 7 15 4 PIN B7 15 1 5 PIN 8 15 x PIN B8 15 INP37 SK5 PIN 1 15 PIN 15 1 5 5 PIN 2 15 PIN B L 15 1 5 5 PIN 3 15 PIN E M 15 42 SK5 PIN 155 B N 15 SK5 5 15 B P 15 5 5 PIN 6 15 PIN 15 46 5 5 7 153 XA4 PIN 5 15 INP46 SK5 PIN 8 15 XAA B T 15 INPA SK amp PIN 1 15 XA4 PIN B9 15 1 50 SK amp PIN 2 15 PIN 15 1 1
16. 19 SKS PIN 5 25 SK9 PIN 5 25 SK1 PIN 5 25 SK11 PIN 5 5 12 PIN 5 25 SK13 PIN 5 25 6 7 PIN 618 SK PIN 6 25 SK9 PIN 6 25 SK1 PIN 6 25 11 PIN 6 SK12 PIN 6 25 SK13 PIN 6 25 5 PIN 7 15 5 8 PIN 7 25 SK9 PIN 7 25 5 PIN 7 28 5 11 7 SK12 PIN 7 25 SK13 PIN 7 25 SK PIN B 15 SK8 PIN 8 25 SK9 PIN 8 25 TO 5 11 PIN 5 12 PIN 4 SK13 PIN 4 5 14 4 15 PIN 5 SK9 PIN 5 5 10 PIN 5 5 11 PIN SK12 5 SK13 n 5 14 PIN 5 15 5 8 PIN 6 5 9 PIN 6 SK1 PIN SK11 PIN 6 SK12 PIN 6 SK13 PIN 6 5 14 PIN 6 15 PIN 7 5 9 PIN 7 7 11 PIN 7 SK12 PIN 7 SK13 PIN 7 4 PIN 7 183 SK8 PIN 8 SK9 PIN 8 16 PIN 8 REF DFSIC D3L P3L D3L D3L DEL DeL DEL DEL DEL DeL DEL D7L D7L 1 0 CONNECTOR WIRING FROM DESIG 5 18 8 25 SKIL PIN 5 11 PIN 8 5 12 PIN 8 D7L SK12 PIN 8 25 SK13 PIN 8 D7L SK13 PIN 8 25 SKla PIN 8 15 OUTPUT DATA BUSS WIRING THE FOLLOWING WIRES CONNECT THE DATA BUSS FOR THF OUTPUT PORTS CINSTALLED ON THE 1 0 CONNECTORS THF WIRING JUST COMPLETED TO THE SCELBI SH INSTALL THESE WIRES STRIP ONE END OF PIFCE 1 4
17. 4 TQ 30 GAUGE SOLID WIRE FOR INTER CONNECTING THE CARD SOCKETS THE ACTUAL GAUGE MAY BE VARIED ACCORDING TO THE TYPE OF CONNECTORS USED AND THE WIRE AVAILABLE TO THE ASSFMBLFR CARE SHOULD BE TAKEN TO PREVENT SHORTS TO ADJACENT PINS AS WIRES ARE INSTALLED THE WIRE LIST THAT FOLLOWS FOR THE CARD SOCKET INTER CONNECT WIRING IS QUITE EASY TO UNDERSTAND EACH CONNECTION POINT FOR A WIRE RUN 15 LISTED WIRE RUNS ARE GROUPED BY SIGNAL NOMENCLATURE AND SEPARATED SOLID LINE SINCE CONNECTION POINTS ARE LISTED THE ACTUAL NUMBERS OF WIRES IN A WIRE RUN IS N WHERE N IS THE NUMBER OF CONNECTION POINTS FOR EXAMPLE A WIRE RUN SHOWN AS 1 801 XA 3 B A INDICATES THAT SINGLE IS FROM SLOT FRONT MOST CARD SLOT PIN B RIGHT SOCKET WHEN FROM THE FRONT amp FIRST PIN ON THE FRONT MOST PART OF THE SOCKET OVER TO THE THIRD SLOT ON THE RIGHT SOCKET PIN THE LAST REFERENCE IN A LINE FOR A CONNECTION POINT IS THE SIGNAL NOMENCLATURE FOR THAT WIRE RUN SIGNAL NOMENCLATURES ARE DERIVED FROM THE SCHEMATICS SUPPLIED WITH THE CARD SET MULTI WIRE RUNS NOT SHOW THE CONNECTION POINTS IN THE BEST ROUTING SEQUENCE SO THE ASSFMBLER SHOULD REVIEW EACH WIRE RUN AND PICK THE BEST ROUTING SEQUENCE TO USE THE LEAST AMOUNT OF WIRE MAKE A CHECK MARK AS YOU COMPLETE EACH CONNECTION BESIDE THE APPROPRIATE CONNECTION POINT ON THE WIRE LIST AS AN AID TO
18. ASSIS JUST WIRE THF RUNS DENOTED BY THE DOUBLE ASTERISK 5 THE THE POWER RUSS RUNS ARE ON THE BACKPLANE _ HARNESS CARDA XABA BUSS su BUSS 5 BUSS 5V BUSS XA 3 51 RUSS 41 59 BUSS 5 BUSS 5U BUSS n BUSS 8055 1 0 GND BUSS F 99 HUSS lt 9 BUSS 2290 BUSS 2 90 BUSS 290 RUSS 94 BUSS 9 BUSS WIRING TO CONTROL SWITCHES REFER DRAWINGS 3100A AND 3100B FO R THE RECOMMEND OF CHASSIS SWITCHES AND THE TERMINAL DESIGNATIONS INSTALL THE WIRES LISTED BELOW FROM THE DESIGNATED P C CARD 5 5 THE LIST BELOW ALSO INCLUDES SEVERAL JUMPER WIRES Spa INSTALLED ON THE P C CARD SOCKET FOR THE CPU CARD SLA R STANDARD OPERATION OF THE 5 1 8 MINI COMPUTER SHOULD ALSO BE CONNECTED AT THIS TIME POE RIRES XA 2 A T INT CND 2 A C INT M C 6ND A H INT 51 INT 0 A F INTQ 511 TP2 INTO Su 806 INTI 510 2 INTI 29019 59 29 9 8 INT3 56 77 9 INTA 57 INTA 59 B20 INTS S6 INTS 5 b B21 6 55 INTE 592 B22 INT 54 1 7 59
19. EL DEL SCELBI 8H CARD NEST WIRING SCELBI 8H CARD NEST WIRING DIL 3 8 Ala 07 DIN XAg2 819 HAS _ HAS XA 1 A13 INT INT LAS 3 B V LAS 15 MD N 5 MD N 2 Al MDIN A T 817 MD2N A U MD2N 818 MD3N A V MD3N 19 A W 27 MDSN XA 2 21 MDEN A Y MDEN A22 7 XABA 2 MD7N 15 MINQ 15 Ale MIN 16 MINI 1 17 2 17 MIN2 AlS MIN3 XABI 19 MINA 19 MINS XAPA 20 MINS 1 21 MING 21 MING 1 22 1 7 A22 1 7 gt BIEK 5 B U 5 XAQ3 517 PCN B L 5 B L 5 0 S B U S XAQI B J TIN B J TIN T3N 2 T3N XAAS 7 XAUS lt 5 7 amp amp XA07 7 XAOS
20. ER TO THE SECTION ON INITIAL INSTALLATION AND CHECK OUT IF YOU DESIRE BE COMPATIBLE WITH STANDARD SCELBI 1 0 CONNECTORS YOU SHOULD INSTALL AMPHENOL TYPE 78511 EQUIVELANT 11 PIN SOCKETS FOR THE 1 0 CONNECTORS ON THE COMPUTER CHASSIS DRAWINGS 43106 AND 31008 SHOW THE RECOMMENDED POSITIONS THE CONNECTORS AT THE REAR THE CHASSIS UNIT THE REFERENCE DESIGNATIONS OF THE SOCKETS AND THE PIN NUMBERING SYSTEM ASSIGNED TO THE 1 0 CONNECTORS THE WIRING LIST THAT FOLLOWS WILL TELL YOU WHERE TO CONNECT WIRES BETWEEN 1 0 CONNECTORS OR BETWEEN 1 0 CONNECTORS AND PINS ON THE P C CARD SOCKETS AS WIRES ARE RUN FROM THE 1 0 CONNECTORS TO THE PRINTED CIRCUIT CONNECTORS YOU SHOULD FORM A BUNDLE UP THE MIDDLE THE CHASSIS THAT EVENTUALLY TIED WITH GABLE TIES IT IS OFTEN HELPFUL USE PIECES OF MASKING TAPE TO KEEP THE WIRES IN ORDER UNTIL THE WIRING HAS BEEN COMPLETED THE WIRES SHOULD BE BRANCHED er TO THE PRINTED CIRCUIT CONNECTORS AS ILLUSTRATED IN THE DRAWING 1 9 CONNECTOR WIRING USE 2 1 2 INCH PIECES OF WIRE STRIPPED 1 4 INGH EACH END AND INSTALL THE FOLLOWING WIRES FORM BUSS SYSTEM ON THE 1 0 CONNEC TORS AT THE OF THE 5515 FROM REF DESIG 5 6 PIN 11 SK12 11 SIG GND SK6 PIN li 35 5 5 PIN 11 SIG GND SKS PIN 11 253 8 PIN 11 SIG GND gt SKa PIN 11 25302 5 PIN 11 SIG GND gt 5 PIN 11 25
21. IDED WITH THOSE DEVICES IN CASE OF DIFFICULTY SHOULD IMPROPER OPERATION OCCUR DURING THE CHECK OUT PROCEDURES WE SUGGEST THAT YOU FIRST CHECK THAT THE P C CARDS ARE PROPERLY SEATED IN THEIR SOCKETS THE NEXT STEP IF THE DIFFICULTY PERSISTS WOULD TO TO RECHECK ANY WIRING THAT YOU INSTALLED TO VERIFY THAT THE POWER SUPPLY VOLTAGES ARE CORRECT AND ARE PROPERLY CONNECTED TO THE 5 1 1 8 AND THAT YOU MAKE CERTAIN YOU ARE OPERATING THE UNIT CORRECTLY CUSTOMERS WHO ASSEMBLED CARD SETS MAY WANT TO REFER TO THE APPENDIX AT THE END OF THIS SECTION WHICH PROVIDES SOME ADVICE ON THE INITIAL CHECKING OF INDIVIDUAL CARDS SHOULD DIFFICULTIES ARISE WHEN THE CARDS ARE FIRST INSTALLED NOTE IF YOU ARE NOT FAMILIAR WITH THE OPERATION OF A COMPUTER YOU SHOULD BE ADVISED THAT THE MOST COMMON SOURCE OF PROBLEMS WITH THE MACHINE ARE THE RESULT OF OPERATOR ERRORS SINCE THE INE FULLY PROGRAMMABLE WILL INDEED IS ONLY ABLE FOL LOW PRECISELY THE INSTRUCTIONS GIVEN IT BY THE OPERATOR OR PRO GRAM RESIDING IN MEMORY IF YOU THINK THE COMPUTER IS NOT OPER ATING CORRECTLY WE ADVISE YOU TO CAREFULLY RECHECK THE PROGRAM OR INSTRUCTIONS YOU ARE ASKING IT TO PERFORM BEFORE JUMPING TO ANY CONCLUSION THAT THE MACHINE IS MALFUNCTIONING FROM YEARS OF FX PERIENCE WE AT SCELBI CAN ADVISE YOU THAT THE NEWCOMER TO MINI COMPUTER PROGRAMMING AND OPERATION WILL MAKE MANY MISTAKES BEFORE BECOMING AN ADEPT PROGRAMMER AND THEIR SEEMS TO
22. ING MAKES UNAUTHORIZED MODIFICATIONS TO ANY PART OF THE EQUIP MENT OR USES PARTS THAT HAVE NOT BEEN SUPPLIED BY SCELBI COMPUTER CONSULTING IN THE EVENT A JUDGEMENT IS NECESSARY AS TO THE VALIDITY OF WARRANTEE BECAUSE OF EVIDENCE OF IMPROPER OPERATION NEGLECT OR ABUSE PARTS SUBSTITUTION THE JUDGEMENT SCELBI PERSONNEL WILL BE FINAL UNITS COVERED BY WARRANTEE WILL BE REPAIRED OR REPLACED AT THE OPTION SCELBI COMPUTER CONSULTING FREE OF CHARGE WHEN THE CUSTOMER RETURNS DEFECTIVE UNITS UNITS NOT COVERED BY WARRANTEE INCLUDING KITS THAT HAVE BEEN IMPROPERLY ASSEMBLED WILL BE REPAIRED BY SCELBI WITH CHARGES FOR PARTS AND LABOR WHEN DEFECTIVE UNITS ARE RETURNED CUSTOMERS DESIRING TO RETURN UNITS FOR SERVICING MUST OBTAIN A SERVICE AUTHORIZATION NUMBER FROM THE FACTORY RETURNED GOODS THAT DO NOT HAVE AN AUTHORIZATION NUMBER WILL NOT BE ACCEPTED APPENDIX INITIAL CARD TESTING EXPERIENCE HAS INDICATED THAT THE MAJORITY PROBL EMS FOUND WITH P C CARDS THAT HAVE BEFN ASSEMBLED BY THE PURCHASER FALL INTO SEVERAL MAJOR CATEGORI ES 1 SOLDER SHORTS BETWEEN FOIL LANDS 2 COMPONENTS INSTALLED INCORRECTLY OR IN THE WRONG LOCATION 3 OCCASIONALLY A MINOR DEFECT IN CARD SUCH AN OPEN OR SHORTED FOIL LAND WILL OCCUR SCELBI CAREFULLY IN SPECTS P C CARDS BUT THE FINAL TEST OF P C CARDS FOIL IN TEGRITY CAN ONLY BE MADE WHEN THE CARD IS PUT INTO O
23. MAINTIANING YOUR PLACE AS YOU WORK THE MAJORITY OF WIRE RUNS GO ALONG STRAIGHT 1 1 AND QUITE A FEW ARE AMENABLE TO BUSSING TECHNIQUES PARTICULARLY ALONG THE MEMORY SECTIONS SLOTS XA 5 THROUGH 8 WHILE THE LIST APPEARS LONG FIRST GLANCE THE ACTUAL WIRING TIME FOR THIS SECTION IS GENERALLY IN THE VICINITY OF ONLY ABOUT 18 HOURS XABI 2 XAB XA01 2 XA03 XABA XA03 2 2 XA03 1 3 XA0 2 2 XAO 2 2 3 2 B A B K AOT B V BIO B L B C B w A09 B12 B N A10 1 A12 B 7 BIS 5 13 B J B Z D L D L DIH DIH DIH DIL DIL DIN DIN D2H D2H 231 231 D3N DSH D5H DSL D5L DSN D5N DEH D
24. MALE PLUG USED FOR BRINGING STANDARD OPERATING POWER FOR THE COMPUTER DRAWINGS 31 0A AND 31008 SHOW THE POSITIONS OF THE 1 0 SOCKETS AND POWER PLUG ALONG THE REAR OF THE CHASSIS DRAWING 3100B ILLUSTRATES THE REFERENCE DESIGNATIONS ASSIGNED TO THE SOCKETS AND PINS ON THE SOCK ETS WHEN VIEWED FROM THE BOTTOM OF THE CHASSIS UNIT THERE ELEVEN SWITCHES NFCESSARY FOR OPFRATING THE SCELRI 8H EIGHT OF THESE SPST TOGGLE SWITCHES USED FOR INPUT TING DATA AND INSTRUCTIONS TO THE COMPUTER IF THE SCELBI 8H FORMAT IS BEING FOLLOWED USE MINIATURE SUBMINIATURE SWITCHES FOR THE TOGGLE SWITCHES DRAWINGS 310 A AND 31008 SHOW THE RECOMMENDED LAY OUT ALONG WITH THE REFERENCE DESIGNATIONS ASSIGNED TO THE CONTROL SWITCHES OTHER SWITCHES FOR THE INTERRUPT 5 AND RUN FUNCTIONS NEEDED THESE SWITCHES ARE ORDINARY NORMALLY BUTTON DEVICES CARD INTERCONNECT WIRING ONCE THE CARD SOCKETS HAVE BEFN MOUNTED IN THE CHASSIS OR OTHER FIXTURE ONE MAY PROCEED TO DO THE INTERCONNECT WIRING BETWEEN THE COM PUTER CARD SOCKETS THE WIRING INFORMATION THAT FOLLOWS WAS GENERATED BY COMPUTER AND CONTAINS WIRING INFORMATION FOR A SYSTEM THAT MAY CON TAIN UP 4 0496 WORDS OF MEMORY ON 4 SCELBI 1103 CARDS BEFORE STARTING THE WIRING THE ASSFMBLER SHOULD MAKE SURE THAT THE REFERPNGE DESIGNATIONS DISCUSSED EARLIER ARE UNDFRSTOOD SCELBI RECOMMENDS THE USF OF 2
25. PERATE APPLY POWER TO THE UNIT AND IMMEDIATELY OBSERVE THE POWER INDICATIONS ON THE FRONT PANEL CARD TO VERIFY THAT THE 5 AND 9 VOLTAGES ARE PRESENT NEVER ATTEMPT TO OPERATE THE 5 8 EITHER VOLTAGE IS ABSENT WITH PROPER POWER APPLIED TO THE UNIT YOU MAY NOW PROCEED TO START OPERATING YOUR SCELBI 8H YOU SHOULD FAMILIARIZE YOURSELF WITH THE 8 USER S MANUAL SECTION THREE PINK SECTION IN THE MANUAL PRESENTS DETAILED OPERATING INSTRUCTIONS TO START OPERATIONS YOU SHOULD TURN TO PAGE 5 OF SECTION 3 IN THE SCELBI 8H USER S MANUAL AND FOLLOW THE INSTRUCTIONS FOR INIT IALIZING THE SCELBI 8H FOLLOWING POWER TURN ON IT IS THEN SUG GESTED THAT YOU PROCEED TO LOAD AND HAVE THE COMPUTER PERFORM THE SMALL JUMP TO ITSELF PROGRAM THAT IS ILLUSTRATED STARTING ON PAGE 7 OF SECTION 3 IF YOUR SCELBI 8H WAS SUPPLIED WITH MORE THAN 256 WORDS MEMORY YOU SHOULD LOAD AND EXECUTE THE SIMPLE MEMORY DIAGNOSTIC PROGRAM DESCRIBED STARTING ON PAGE 21 OF SECTION 3 IN THE MANUAL CIF YOUR UNIT ONLY HAS 256 WORDS YOU WILL ABLE TO RUN THE MEMORY DIAGNOSTIC DESCRIBED THE MANUAL YOU MAY THEN GO ON TO LOAD AND EXECUTE THE LIGHT FLASHER PRO GRAM DESCRIBED ON PAGE 27 IN SECTION THREE OR YOU MAY START TO DEVELOP AND EXECUTE YOUR OWN PROGRAMS OR LOAD AND EXECUTE SCELBI PROGRAMS IF YOU HAVE PURCHASED PERIPHERAL UNITS THE CONNECTION AND OPERATION OF THOSE UNITS WILL BE COVERED BY DOCUMENTATION PRO V
26. PERATION 4 VERY RARELY FEED THROUGH HOLE ON A P C CARD WILL FOUND TO BE IN THAT THE HOLE DOES NOT CONDUCT FROM ONE SIDE OF THE BOARD TO THE OTHER 5 BY FAR THE MOST COMMON FAULT FOUND ON CARDS WHERE PEOPLE HAVE SUPPLIED THEIR OWN PARTS IS SIMPLY DEFECTIVE COMPONENTS PROBLEMS FALLING INTO CATEGORIES 1 2 AND 3 CAN OFTEN DETECTED AND ELIMINATED BY VERY CAREFUL VISUAL INSPECTION OF THE P C BOARD BOTH DURING THE ASSEMBLY PROCESS AND WHEN THE ASSEMBLY HAS BEEN COMPLETED SOLDER SHORTS EASILY REMOVED WITH A HOT SOLDERING IRON SHORTED FOIL LANDS BE SEPARATED BY A SHARP KNIFE AN OPEN P C FOIL LAND CAN BE READILY JUMPERED WITH A PIECE OF WIRE AND A BIT OF SOLDER IMPROPERLY INSTALLED COMPONENTS SHOULD HAVE THEIR LEADS CUT OFF AND THEN THE REMAINING PIECE OF EACH LEAD SUCKED OUT OF THE HOLE WITH A SOLDER SUCKER INSTRUMENT DO NOT TRY TO REMOVE WHOLE COMPONENTS IN ORDER TO SAVE THE COMPONENT 8 TO ATTEMPT TO DO SO WILL OFTEN RESULT IN PERMANENT DESTRUCTION TO THE P C FOIL ON THE CARD THE P C CARDS HAVE PLATED THROUGH HOLES FOR COMPONENT LEADS THESE HOLES COME FILLED WITH SOLDER WHEN THE COMPONENT IS INITIALLY SOLDERED TO THE BOARD AND IT IS EXTREMELY DIFFICULT TO TRY TO REMOVE A GROUP OF LEADS SUCH AS THOSE ON AN INTEGRATED CIRCUIT AT ONE TIME WITHOUT ALSO CAUS ING DAMAGE TO THE CARD THE 4TH CATEGORY LISTED ABOVE IS NOT READILY DETECTED BY VISUAL INSPECTION THIS
27. PRIATE PIN ON THE CARD SOCKET REFER TO THE DRAWING 31800B AS A GUIDE OUTPUT 5 WIRING FROM REF DESIG 5 7 9 15 15 15 058 SK8 PIN 9 615 16 15 051 SK9 PIN 15 17 15 052 gt 5 9 15 18 15 053 5 11 PIN 9 15 PIN 19 15 054 gt SK12 PIN 9 15 _ PIN 15 055 SK13 PIN 9 15 15 056 SK14 PIN 9 15 XA3 PIN 22 15 057 PORT WIRING THE FOLLOWING WIRES CONNECT THE INPUT PORT CONNECTORS TO THE INPUT CARD THAT RESIDES IN SLOT XA4 RUN THE WIRES FROM THE DESIGNATED INPUT SOCKET UP THE MIDDLE OF THE CHASSIS AND THEN OVER TO THE APPROPRIATE ON THE CARD SOCKET REFER TO DRAWING 631008 AS A GUIDE FROM TO REF DESIG SKI PIN 1 15 PIN 15 INPO SKI PIN 2 15 15 INP L SKI PIN 3 15 PIN 15 SKI 4 15 1 15 1 SKI PIN 5 15 PIN A M 15 INP04 SKI PIN 6 169 A N 15 5 5 PIN 7 15 PIN 15 INP 6 lt gt 5 8 15 15 INP07 SK2 PIN 1 15 PIN 18 SK2 PIN 2 15 8 15 1 11 C 15 9 15 INP12 gt SK2 PIN 15 PIN
28. RS AND CHASSIS CONSOLE 5 5 AND MUST THEN INTER CONNECT THESE COMPONENTS TO PROVIDE THEIR OPERATING COMPUTER INFORMATION FOR WIRING THE CARD CONNECTORS 1 0 CONNECTORS AND SWITCHES ARE PRO VIDED IN THIS DOCUMENT ALONG WITH SUGGESTIONS FOR THE MECHANICAL ASSEM BLY OF THESE COMPONENTS ON A SUITABLE CHASSIS SUGGESTIONS FOR CHASSIS CONSTRUCTION CUSTOMERS MAY DESIRE TO INSTALL THEIR CARD SET IN A CHASSIS OR CARD NEST OF THEIR OWN CHOOSING FOR THOSE THAT DESIRE TO CONSTRUCT UNITS SIMILAR TO SCELBI PROVIDED SYSTEMS DRAWINGS 3100 AND 31008 WILL BE USEFUL THESE DRAWINGS DEPICT THE LAY OUT OF A STANDARD SCELBI PRO VIDED CHASSIS WHICH IS BASED A READILY AVAILABLE 10 X 12 X INCH ALUMINUM CHASSIS SUCH AS THE 413 CHASSIS PAIRS OF 44 CARD CONNECTORS SUCH AS AMPHENOL 22221 404 ARE LAID OUT ALONG THE OF THE CHASSIS TOWARDS THE FRONT OF THE UNIT THE CENTER TO CENTER PIN SPACING ON THE SOCKETS USED FOR THE COMPUTER CARDS 15 8 156 INCHES THE DISTANCE BETWEEN CARD SOCKETS FRONT TO BACK SHOULD NOMINALLY 3 4 OF AN INCH TO PROVIDE SUFFICIENT ROOM FOR PROPER AIR FLOW AND HEAT DIS SIPATION BETWEEN CARDS FOR WIRING PURPOSES CARD 50 5 HAVE GIVEN THE FOLLOWING REFERENCE 5 FIRST CARD SLOTS FROM FRONT BACK ARE ERED TO BY NUMBER THE FRONT MOST SLOT 15 XA 1 AND IN STANDARD SYSTEM THE LAST SLOT IS DESIGNATED XA 8 SINCE EACH SLOT CONTAINS
29. TCHES MOUNTED so THAT 200 THE SLOT IN THE SWITCH SHAFT IS POINTED UPVARDSI ADDITION CAREFUL TIGHTENING PANEL NUTS NOT SCRATCH FINISH ON FRONT L s THE TOGGLE SWITCHES HAVE BEEN INSTALLED YOU MAY SEIDE A COLOR CODING SLEEVE ON EACH SWITCH LEVER GREEN ON SWITCHES YELLOV B5 THROUGH 83 AND RED ON 2 B INSTALL THE 3 PUSH BUTTON SWITCHES THE LEFT HAND SIDE THE UNIT CAREFUL WHEN TIGHTENING THE NUTS 50 AS TO NOT DAMAGE THE FRONT PANEL FINISH You HAVE NOW COMPLETED THE MFCHANICAL ASSEMBLY OF THE SCELBI 6H 5 5515 KIT YOU PROCEED PFRFORM CHASSIS WIRING BY CONTIN UEING 20 THE NEXT PAGE SCFL bI 8H CHASSIS POVER BUSS WIRING WHEN YOU HAUF COMPLETED SOCKFT WIRING FOR SIGNAL Wars YOU SHOULD PROCEED TO INSTALL THE PONER BUSS WIRING TO THE IRRD SOCKFTS THF CONNFCTOF USING YOU FOLLOWING THF STANDARD 5 1 5 LAY OUT YOU MAY REFER DRAWINGS BER 722100 AND FOR THF POSITION AND PIN NUMBERS POWER STANDAPD SCELHI 5H CHASSIS USFS AMPHFN0L amp 6 CPa OR EGUI UELANT PLUG FOR THE MOUNTED AT THE REAR OF THF CHASSIS IF YOU HAVE PURCHASED A CH
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