IBM 5280, Technical Newsletter

Page 1: ...t pages for the subject publication Pages to be inserted and or removed are v viii 37 38 79 82 101 102 175 176 253 254 257 258 367 368 Changes to the text and illustrations are indicated by a vertical...

Page 2: ...mbly Removal and Replacement 183 Display Screen Examples KEYBOARD DISPLAY CARDS 29 30 32 200 Keyboard Display MPU Card A A1 33 201 Data Station Adapter Card A E1 34 203 Dual Data Station Adapter Card...

Page 3: ...Receiver Circuit 157 903 Resistor Terminator Load 158 Resistor as Terminator 158 Resistor as Load 158 904 Multimeter dB Adapter 159 905 General Logic Probe 161 911 Electrostatic Discharge Service Aids...

Page 4: ...updated January 30 1981 By TN L SN20 9543 PRINTER ATTACHMENT Printer MPU Printer Adapter Driver Receivers Timing Logic Port Control Logic Transmit Data Multiplexor Receive Data Multiplexor Serdes Cont...

Page 5: ...upport 336 SNA Transmission Header Format 338 SNA Request Header Format 339 SNA Response Header Format 340 SNA Response Sense Data 340 SNA Sense Data Modifier Codes 341 viii SNA Control Functions Data...

Page 6: ...age available with each configuration This diagram shows the location of the components on the buffer timer card Type B Type C Configuration Auxiliary Data Station Display Size Attached Type Size None...

Page 7: ...to use the cable diagram The arrow indicates the logical direction of the signal D indicates that the signal is repowered and sent to the data station R indicates that the signal is received from the...

Page 8: ...0600 1 As updated January 30 1981 By TNL SN20 9543 DC1 10 2 A Keyboard Display Storage I 1__ M_a_i_n_S_to_r_a_ge __ I1 1____ E_T_C_ M_s_R_ _E_T_C_ _B_uff_er_t_im_e_r___ I B Diskette Main MPU C __ L_i...

Page 9: ...receiver 2 wide 305 Non communicating IBM 5285 only 03 VFO 2 wide 501 05 Printer MPU 2 wide 731 07 EIA 2 wide 823 Communicating IBM 5285 only 07 DDSA 2 wide 825 Communicating IBM 5285 only 07 38LS Wo...

Page 10: ...ber of a card in the machine and the part number for that card in the chart do not agree check the customer engineer memorandums CEMs to ensure that you have the correct card If you do have the correc...

Page 11: ...7364426 8 Wide Display MPU 10 29968 838449 10 29800 Katakana _ _ ROS Patch for Keyboard Display MPU Katakana A B1 Elapsed Time 1618152 2 Wide Counter 837086 A B1 1MSR and 7364620 2 Wide Elapsed Time 8...

Page 12: ...ications orJ Feature Main MPU IROS Patch Base Main MPU I I ROS Patch Printer 1 l ROS Patch Diskette J I ROS Patch Kbd Display 1 r r Power Cable Connections 6 5 3 ________________________________ K_e_y...

Page 13: ...emove the ROS patch card CAUTION The logic cards will overheat if patch cards either ROS patch or dummy patch are not installed 102 583 9 If you are not going to install a ROS patch card in the same p...

Page 14: ...low from the diskette drive attached to the diskette attachment Note A diskette drive locking lever in the open position can also cause this condition The keyboard display attachment has a dual data s...

Page 15: ...has a data station attached and ready and the timer is working Sense 2 invalid during a diskette read or write operation the bits set in the sense register 2 are invalid Volume label error the volume...

Page 16: ...tore two bytes of data The adapters for keyboards 1 through 3 have three buffers and can store three bytes of data The adapter also deserializes the data from the keyboard and signals the MPU when dat...

Page 17: ...MPU checks the partition pointer to determine which partition has the key board operation pending When it finds the partition it resets the flag in the partition pointer and checks the keyboard displa...

Page 18: ...r tests each position on the pad printed circuit board one position at a time When a change of capacitance is detected a scan code is generated for the key pressed The scan code is sent serially to th...

Page 19: ...0 in bit 0 dot through 100 in bit 7 dot lines 258 ELAPSED TIME COUNTER The elapsed time counter is used to determine elapsed real time The counter is attached to the keyboard display MPU through an MP...

Page 20: ...ation cable diagram 257 44 B adjustment 27 base main MPU card 50 bezel location 1 bi phase encoding printer 271 bid command 343 BIND command 347 break code service check 13 Brightness control adjustme...

Page 21: ...nsmit 279 power supply card location 3 removal 74 replacement PT 2 line monitor TP line monitor typical operation 38LS 74 368 identification 141 141 277 124 personalization 127 200 199 communications...

Page 22: ...177 178 239 244 11 12 93 94 178 1 178 2 added 267 274 21 22 101 106 189 192 274 1 274 10 added 43 44 115 118 201 202 275 276 53 54 118 1 118 2 added 202 1 202 2 added 358 1 358 2 added 367 374 Change...

Page 23: ...al and Replacement 30 183 Display Screen Examples 0 12 KEYBOARD DISPLAY CARDS 200 Keyboard Display MPU Card A A1 33 201 Data Station Adapter Card A E1 0 34 203 Dual Data Station Adapter Card A E1 35 2...

Page 24: ...Circuit 157 903 Resistor Terminator Load 158 Resistor as Terminator 158 Resistor as Load 158 904 Multimeter dB Adapter 159 905 General Logic Probe 161 911 Electrostatic Discharge _ervice Aids 162 921...

Page 25: ...SY31 0600 1 As updated April 15 1981 By TN L SN20 9588 Command Register 266 Drive Configuration Register 266 PRINTER ATTACHMENT 267 Printer Attachment MPU 268 Twinaxial Printer Adapter 269 Start Stop...

Page 26: ...IBM 3741 Mode and IBM 3780 Mode 321 Synchronous Data Link Control 322 Commands and Responses 324 Commands and Responses Not Supported 325 SOLC Commands and Responses in Hexadecimal Notation 326 viii X...

Page 27: ...switch Diskette drive A Diskette drive B 001 Maintenance II Diskette locking levers shown in the closed position Drive in use indicators Magnetic stripe reader Keyboard Keyboard cable connector J101 G...

Page 28: ...131 II Power cord I Remote keyboard display connector J103 Remote diskette drive connector J 111 II Communications support connector J140 II Magnetic stripe reader cable access hole r ___ 2 _ I1111I1...

Page 29: ...031 REMOVAL AND REPLACEMENT continued II t l a 031 Covers 5...

Page 30: ...m of the keyboard cover Lift the coverDaway from the keyboard Note the position of the plastic dust coverS tl II 031 Replacement For replacement of the keyboard cover reverse the steps of the removal...

Page 31: ...cableD from the drive in use indicator fJ 4 Remove the retaining collar D 5 Push on the drive in use indicator from the outside of the cover and remove the drive in use indicator through the inside of...

Page 32: ...SN20 9588 Keyboard 101 LOCATIONS D Connector P101 fJ Keyboard signal cable II Connector J02 I II Speaker might be in either location II Dust cover II Pad printed circuit board II Key unit II Connector...

Page 33: ...127 PAD PRI AN NTED CIRCUIT D REPLACEMENT B ARD REMOVAL continued fJ 127 Page of SY31 06 As updated 00 1 By TNL SN 6 1981 IJ Keyb ard 21...

Page 34: ...fferent they are similar and accept the same signals and generate the same display images See th service information label on the cathode ray tube to locate the adjustments on the printed circuit boar...

Page 35: ...ignal Lines 1 ground 2 drive 22 3 drive 21 4 drive 20 5 drive 19 6 drive 18 7 drive 17 8 drive 16 9 drive 15 10 drive 14 11 drive 13 12 drive 12 13 drive 11 14 drive 10 15 drive 09 16 unused 17 drive...

Page 36: ...ts See 901 on how to use the cable diagram The indicates the logical direction of the signal D indicates that the signal is repowered and sent to the data station R indicates that the signal is receiv...

Page 37: ...shows the location of test pins and cable connectors This card contains the logic to control two remote diskette drives addresses 4800 and 4COO located in the remote data station See 303 for the MPU...

Page 38: ...ol Card 0 4 1 PTXCP B A 00 1 o A Voo 00 00 00 oOl OCP 00 00 00 00 00 00 00 0018 raJB l 2IA 2 1 LEDCP o TP24V DTPA010 o TPBOl TPC040 0 0 0 TPCOI o TPDO TPE030 0 0 TPEOI TPF02 0 0 TPFOI o TPLED SCP 4 1...

Page 39: ...age on that card Because the diskette main MPU card contains the first 32K bytes of main storage switch 5 32K byte must be set to the On position All other switches must be set to the Off position On...

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Page 41: ...nd 1 3 1 10 5 Vdc GroUnd 1 8 7 6 5 DC2 10 4 Keyboard Display MPU DC1 10 3 2 A K_e_y_b_o_a_rd_ _D_is_p_la_y_S_to_r_a_ge ____ M_a_in __ S_to_r_ag_e____ 11 _____________E_T_C_ _M_S_R_ ____ E_T_C_ _B_u_ff...

Page 42: ...nswer 813 07 38LS United States nonswitched SN BU manual answer 201 E1 Data station adapter 203 El Dual data station adapter 811 E5 Communications MPU with 3270 emulation 811 E5 Communications MPU wit...

Page 43: ...lber of a card in the machine and the part number for that card in the chart do not agree check the customer engineer memorandums eEMs to ensure that you have the correct card If you do have the corre...

Page 44: ...oard 7364486 6042977 4177598 8 Wide Display MPU 10 29792 10 29968 838447 W D 3270 Emulation 1 1 1 RDS Patch for Keyboard i i Display MPU I W D 3270 Emulation A A1 Keyboard 6043426 8 Wide Display MPU W...

Page 45: ...kana MPU W 3270 Emulation A B1 Buffer Timer 1618152 2 Wide 837086A A B1 Elapsed Time 1618152 2 Wide Counter 837086 A B1 1MSR and 7364620 2 Wide Elapsed Time 840869 Counte r A B1 4MSR and 4177924 41779...

Page 46: ...4177526 2 Wide Display Storagel 10 28927 838389 W Aux Data Station A B7 3K Keyboard 4177527 4177528 4177897 2 Wide Display 10 28928 838391 839725 Storage A B7 4K Keyboard 4177529 4177530 2 Wide Displ...

Page 47: ...OS Patch for Twinaxial Printer Attachment MPU One Port A 05 Start Stop 6043314 2 Wide Printer 868349 Attachment MPU One Port r ROS Patch for Start Stop Printer Attachment MPU One Port A 07 38LS WT SW...

Page 48: ...64443 4 Wide Adapter 26 01551 838431 10 29603 A E1 Data Station 7364458 4177584 7364445 4 Wide Adapter 26 01551 838433 10 29603 Katakana A E1 Dual Data 7364459 4177586 7364447 4 Wide Station 26 01551...

Page 49: ...13 839616A 839757A Attenuator WID 3270 Emulation RDS Patch for 7364438 Comm MPU 868243 WID Attenuator WID 3270 Emulation A E5 Comm MPU 6043351 4 Wide WIAttenuator W 3270 Emulation f 1 1 RDS Patch for...

Page 50: ...This page left intentionally blank 86 2 505 Page of SY31 0600 1 As updated April 15 1981 By TNL SN20 9588...

Page 51: ...e 1 data tip DCE See note 1 data tip cable dev sel 1 dev sel 2 dev 5el 3 dev sel 3 I O dev sel 4 dev sel 4 I O dev sel 5 dev sel 5 I O dev sel 6 dev sel 7 dev sel 8 dev sel 8 1 diag break code diag fo...

Page 52: ...009 EIA wrap See note 1 7005 7005 erase gate 4800 1803 1803 erase gate 4COO 1802 1802 extended sense bit 8803 2807 feat card installed 5002 8004 feat chip select 8004 8802 feat stor sel 5803 7802 file...

Page 53: ...Patch Feature Main MPU fRDS Patch l3ase Main MPU I IRDS Patch Printer Attachment I c I I RDS Patch Diskette I I RDS Patch Kbd Display I r Power Cable Connections S 7 6 5 3 1 _________________________...

Page 54: ...ove the ROS patch card CAUTION The logic cards will overheat if patch cards either ROS patch or dummy patch are not installed 102 663 9 If you are not going to install a RDS patch card in the same pos...

Page 55: ...563 ROS PATCH CARD_ REMOVAL AND REPLACEMENT continued 563 Logic and Cards 103...

Page 56: ...0 iskette MPU Module Label 565 For example a ROS patch card with a label of Os 12 is associated with the base diskette MPU OS The 1 in the ROS patch card label denotes that the card must be used with...

Page 57: ...hed printer has the Cable Thru feature the Ter minator switch must be set to 1 The valid addresses and address switch settings for printers with the Cable Thru feature are shown in the following chart...

Page 58: ...must exceed 100 000 ohms a Phase A to phase B b Phase A to shield c Phase B to shield Phase B a 711 2 Connect Phase A and Phase B to the shield at one end of the cable 3 Perform the following resista...

Page 59: ...re the checks can be made This will disconnect the printers from the controller DANGER Never hold or touch cables or connectors during an ele ctrical storm Station Protector Board I I I I L____ _ 715...

Page 60: ...st pins cable connectors jumpers and the module label on the twinaxial printer attachment MPU card This card contains the printer attachment MPU and the logic required to control one printer If you in...

Page 61: ...This card contains the printer attachment MPU and the logic required to control one printer If you install a new start stop printer attachment MPU card see 565 for information concerning the ROD jumpe...

Page 62: ...cable diagram and table shows the physical cable connections each line name and all associated con necting points See 901 for information on how to use the cable diagram r t Card 05 n 3 4 Card 05 Rea...

Page 63: ...ll associated con necting points See 901 for information on how to use the cable diagram _ Card A 05 Card O J01 10 9 8 7 Cable Connector Panel Line J131 Port 21 G Name 1 TX data 2 TX data ret 3 RX dat...

Page 64: ...he throat 6 The following characters should appear on the display screen BB0123456789BACDE0123456789 Throat Magnetic Stripe Page of SY31 600 1 As updated April 15 1981 By TNL SN20 9588 761 MAGNETIC ST...

Page 65: ...failed to load properly Main storage size check failed The diskette needed more main storage than was found in the main storage check dashes Ves I I No I All MPUs complete their checkout and all keyb...

Page 66: ...4yy zr zr 00 00 00 00 00 00 zrxx zrxx zrxx zrxx 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 zrxx zrxx zrxx zrxx zrxx zrxx zrxx zrxx 0000 0000 0000 0000 0000 0000 0000 0000 zrxx 0000 0...

Page 67: ...ttached to the diskette attachment but another diskette drive is doing an IPL The printer attachment communications or diskette attachment check is complete The diskette drive is attached to the diske...

Page 68: ...rmed when no control address mark was expected 10 mismatch the diskette attachment found an 10 on the diskette that did not match the 10 that it was instructed to find The keyboard display attachment...

Page 69: ...1 Adapter wrap completed successfully 0 Adapter wrap failed or not installed Always 1 _______ 1 1 Start stop printer attachment is installed 0 Start stop printer attachment is not installed or not fun...

Page 70: ...Page of SY31 OO 1 As updated April 15 1981 By TNL SN20 9588 176 2 This page intentionally left blank...

Page 71: ...n MOl programs Load standalone programs to diagnose failures and to verify the operation after a repair action Display or print out the error history log from the verification diskette The following s...

Page 72: ...e surface analysis program Printer verification test Load utility for most printer tests SYSTEST and communications utilities The following programs must be selected from the PGMLOAD load menu or a 32...

Page 73: ...ocessor test Keyboard adapter test Keyboard display storage control test Keyboard display storage test Diskette test Diskette test Diskette test Diskette test Diskette test Printer test Communications...

Page 74: ...Page of SY31 0600 1 As updated April 15 1981 By TN L SN20 9588 178 2 This page intentionally left blank...

Page 75: ...ion Area MDI3001 Page of SY31 oo00 1 As updated ApriI 15 1981 By TNL SN20 9588 MDI3010 Communications Setup Test specifies the type of communications installed on the system and the initialization of...

Page 76: ...6 and 19 Fibers from the diskette cover cause random errors To look for visible damage 1 Align the index hole in the diskette with the hole in the diskette cover 2 Use the following diskette figure to...

Page 77: ...ions 5 Calculate the head resolution by dividing the hex FF signal amplitude by the hex AA signal amplitude AA 4 2cm FF 2 4cm Head Resolution 0 57 965 Control A sweep mode Channel A level Channel A co...

Page 78: ...ust be selected after loading PGM LOAD To run the test 1 Load PGM LOAD from diagnostic diskette 1 2 Select option 192 971 The twinaxial printer interface test TPRNT and the diskeU surface analysis pro...

Page 79: ...cC1 EFItDb6 f 6 f 7DFFFBl Df 601 Bse EBCDIC Transmitted ACK1 Response Received ACK1 Data is underscored Transmitted Text and BeC Data is not underscored I SS DA S SSS YX i ln Y YYT NN E1 N NNX 33EF124...

Page 80: ...his test either press the Sys Req key or press the Crild key followed by the End of Job key Elapsed Time Counte Test 1 TMRTEST 1 The elapsed time counter test 1 is a digital display of the elapsed tim...

Page 81: ...r MIM The test runs continuously until the operator presses the Print key Another data character can then be entered and the test restarted To 10pd the start stop printer a ttachment external cable wr...

Page 82: ...er error occurs while the program is running the program will terminate and the following message will be printed PRTRPOLL Test interface did not fail load and run TPRNT or go to the system entry MAPs...

Page 83: ...GMLOAD program When the menu is displayed select option 3 SYSCCU Use Option 3 to load a configuration record named BSC374 into storage The prompts shown in the following prompt chart are then displaye...

Page 84: ...ted modems only Set to the value specified C3 by the user 61 06 For integrated modems only Yes for SNBU C4 No for all others 61 07 1 Manual call answer Select option see note 1 C5 2 Auto answer 61 08...

Page 85: ...ors Communications MPU errors for example invalid buffer addressing Error codes 96 through 99 are probably MPU errors error codes 9A through 90 may be ca used by either the MPU or the CAM and error co...

Page 86: ...tests and for set up procedures see 3270 Test Request Feature Guide GA27 2774 To perform the test do the following 1 Do one of the following a Press the Clear key then press the Reset key b Press the...

Page 87: ...No diskette drives are required in the IBM 5281 however a maximum of two diskette drives can be installed One magnetic stripe reader can be attached but it is not required IBM 5282 The IBM 5282 is a...

Page 88: ...have one feature main MPU Can have one communications line If communications is installed the feature main MPU and the auxiliary data station cannot be installed Can have one 3270 emulation feature i...

Page 89: ...e elapsed time counter Can have one feature main MPU Specifications Page of SY31 0600 1 As updated April 15 1981 By TN L SN20 9588 Display size is 480 characters All displays on the system must be the...

Page 90: ...peed may be affected by the customer s programs application load forms design and or the number of printers attached to the system Can have one keylock Can have a maximum of four magnetic stripe reade...

Page 91: ...5280 by twinaxial cable The IBM 5222 is attached to the IBM 5280 by start stop cable One printer can be attached to the IBM 5285 and up to eight printers can be attached to the IBM 5288 Keylock Featu...

Page 92: ...r terminal or a host system using B C binary synchronous communications or SDLC synchronous data link control Both SO LC and BSC can be used although not simultaneously Only programming changes are ne...

Page 93: ...prepares the data to be printed For example the program might read data from diskette and send it to the printer to print a user s report The printer attachment MPU card is the interface between the...

Page 94: ...rovide the printer adapter with the port and printer station addresses Start Stop Printer Adapter The 100 I O data register is used to send data to and receive data from the adapter The EAR external a...

Page 95: ...Port Control Logic Page of SY31 0600 1 As updated April 15 1981 8y TN L SN20 9588 The port control logic provides the timing and control to convert binary data to bi phase data for transmit opera tion...

Page 96: ...t control logic The port control logic converts the bi phase data to binary and sends it to the serdes The timing logic uses the received data to generate a clocking signal to control the serdes The s...

Page 97: ...these bits are compared with the address received from the printer For a description of the printer addresses that can be assigned to each port see 705 in the maintenance section Page of SY31 060o 1 A...

Page 98: ...ve bits in the frame even The printer decodes the address bits 4 through 6 and responds to the address by sending a response frame that contains the address Printer address bits of 111 indicate a DSTD...

Page 99: ...evious response frames from the printer are retransmitted Read Status Command 1000 1000 The read status command initiates the transfer from the printer of one status word that contains information abo...

Page 100: ...ether the information in the response frame is the same as that in the previous response frame or if the information has changed Bit 14 is turned off at power on Any change in the response frame chang...

Page 101: ...the following information o 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Fill Parity 000 DSTD 111 Invalid SCS Control Character Sync Bit Graphic Check End of Forms Page of SY31 0600 1 As updated April 15 1981...

Page 102: ...read command is received contains the following information IBM 5256 1 0 1 2 I31 4 5 y I I 6 I7 I8 I9 110 111 11211311411j I Fill Parity IBM 5224 and IBM 5225 Parity 274 2 DSTD 111 Wire Check Slow Spe...

Page 103: ...f SY31 0600 1 As updated April 15 1981 By TN LSN20 9588 Serdes The serdes accepts data from the 100 register and converts the data from parallel to serial The serdes also formats the data into an 11 b...

Page 104: ...d status comman d to the start stop adapter When the status byte in the 100 register contains a break received indication the start stop printer attachment MPU turns off break request and loads the tr...

Page 105: ...TN L SN20 9588 The start stop printer attachment MPU issues this command while receive enable is set to access the printer response data in the serdes When this command is loaded into the EAR register...

Page 106: ...se to a PRO command 274 6 Hold HLD Hex 30 This command is used to pace the start stop printer port data rate It causes the start stop printer attachment MPU to stop transmitting data until the start s...

Page 107: ...2 5 Printer address 6 7 Not used For a description of the printer addresses that can be assigned see 705 in the maintenance section START STOP PRINTER ATTACHMENT 11 BIT FRAME CONCEPT Information betw...

Page 108: ...Device check Interface check Sense Bytes The two sense bytes are sent to the start stop printer adapter in response to a SEN PRO command sequence The first byte is sent following the SEN command The...

Page 109: ...switch setting Buffer read error CPI LPI switch error L _ _ _ _ _ End of forms switch error L _ _ _ _ _ _ Left margin error L _________ Power supply L ________ Buffer overrun error Status Bit Set 3 P...

Page 110: ...a c UI I UCUU I As updated April 15 1981 Qy TN L SN20 9588 274 10 This page intentionally left blank...

Page 111: ...or IBM utility A CAM communications access method program in main storage A communications MPU card A line adapter card Data communications equipment Communications r t MPU MAIN STORAGE Application D...

Page 112: ...This page left intentionally blank 276...

Page 113: ...ook was printed there were no RPOs available for the IBM 5285 Future RPOs will include a page or pages to be inserted into appendix A Page of SY31 0600 1 As updated April 15 1981 By TNL SN20 9588 Appe...

Page 114: ...Page of SY31 0600 1 As updated April 15 1981 By TN L SN20 9588 358 2 This page left intentionally blank...

Page 115: ...attentuator jumpers 123 autoanswer sequence 298 auxiliary data station cable diagram 44 B adjustment 27 base main MPU card 50 bezel location 1 bi phase encoding printer 271 bid command 343 BIND comman...

Page 116: ...transmit 279 power supply card location 3 removal 74 replacement PT 2 line monitor TP line monitor typical operation 38LS identification 74 141 141 277 124 personalization 127 368 123 communications...

Page 117: ...ke 26 cable diagram 38 locations AC connector 22 centering rings 22 CRT 22 service information label yoke 22 MPU card 33 printed circuit board 22 removal 30 260 196 22 display assembly continued repla...

Page 118: ...53 100B register 253 268 lOS register 253 268 IPL 59 170 IPL diskette 245 IWRAP 370 jumpers communications MPU card 123 attenuator 123 OOSA 133 EIA CCITT 123 ROS patch 123 2 wire or 4 wire selection 1...

Page 119: ...age 35 main MPU 59 main storage 59 oPtions 80 part number chart 81 plug chart 79 printer MPU 116 removal 90 replacement 90 1 MSR and elapsed time counter 4 MSR and elapsed time counter logic overview...

Page 120: ...ts tBM 5285 240 18M 5286 241 IBM 5288 242 372 programs 245 PRTRPOLL 177 192 202 PSN adapter 299 PT 2line monitor 141 read lata command 262 read diagnostic command 264 read I D command 262 recalibrate...

Page 121: ...t mode select command 264 set ready command 264 SHUTO command 344 Page of SY31 0600 1 As updated April 15 1981 By TN L SN20 9588 signal command 343 SNA support 336 commands and responses 337 configura...

Page 122: ...o gain video drive adjustment wiring diagram 65 write control clata command write clata command 262 write I D command 264 write last frame command write read check command I XWRAP yoke adjustment 26 l...

Page 123: ...ct publication Pages to be inserted and or removed are v vi 91 92 143 152 192 1 192 2 added 193 194 215 216 223 226 Changes to the text and illustrations are indicated by a vertical line at the left o...

Page 124: ...0 183 Display Screen Examples 32 KEYBOARD DISPLAY CARDS 200 Keyboard Display MPU Card A A1 201 Data Station Adapter Card A E 1 203 Dual Data Station Adapter Card A E1 207 Keyboard Display Storage Card...

Page 125: ...Non Inverting Driver Receiver Circuit 157 903 Resistor Terminator Load 158 Resistor as Terminator 158 Resistor as Load 158 904 Multimeter dB Adapter 159 905 General Logic Probe 161 911 Electrostatic D...

Page 126: ...move the fan shroud 515 4 Disconnect the AC wires from the fan motor 5 Remove the fan motor from the fan shroud Replacement For replacement of the fan reverse the steps in the removal procedure Ensure...

Page 127: ...tn from printer 4809 5002 7802 attn from 1 TP 4009 7803 attn from 2 TP 4808 7002 attn to comm See note 4 4011 5802 attn to diskette See note 5 4813 7808 attn to diskette See note 4 4813 attn 1 to disk...

Page 128: ...tor board and test point pin numbers The tables also show level 2 and level 3 wrap paths for wrap tests A level 2 wrap is an internal wrap on the EIA CCITT DDSA or 38LS card A level 3 wrap is an exter...

Page 129: ...rom the communications MPU card to the connector panel The table also indicates probe points that can be referenced by the MAPs See 901 for information on how to use the cable diagram The arrow indica...

Page 130: ...cable clear to send Receive E7013 07013 08B10 clear to send E8B10 14 05 cable carrier det Receive E7B12 07B12 08012 carrier det cable E8012 20 08 J test control Transmit E7B05 07B05 08007 test contro...

Page 131: ...PU card to the OOSA cable connector The table also indicates probe points that can be referenced by the MAPs See 901 for information on how to use the cable diagrams The arrow indictates the logical d...

Page 132: ...eceive E7812 07812 test control Transmit E7B05 07805 J test ind Receive E7010 07010 xmit line data Transmit E7004 07004 08802 xmit nonsw data ESB02 03 13 OS005 xmit nonsw data ES005 04 14 ree line dat...

Page 133: ...e this diagram for nonswitched networks in the United States and World Trade countries If the nonswitched card has SNBU see 867 for SNBU probe points See 901 for information on how to use the cable di...

Page 134: ...SB11 S S V Note 4 Power 07007 Notes Comm Surge Comm MPU Protector 38LS 38LS Lines MPU Card Conn Card See Note 2 Card ESJ01 TB1 TB2 J140 Wrap Probe Points Conn e G 0 e 0 Level 3 OS802 xmit nonsw ES802...

Page 135: ...points that can be referenced by the MAPs Use this cable diagram for switched networks for the SNBU section of a nonswitched 38LS card see 865 for nonswitched probe points See 901 for information on...

Page 136: ...ote 3 Power 07007 Notes 1 This line is not used by the 3SLS card 38LS Wrap 38LS 38LS Lines Level 2 Card See Note 2 Probe Points 08B13 ring indicate RI J J J 0700S data tip OT Note 4 07006 data tip OT...

Page 137: ...e WT line plate to the connector J140 on the cable connector panel The table indicates probe points that can be referenced by the MAPs Use this cable diagram when the WT line plate is installed See 90...

Page 138: ...e entered the date press the Enter key 2 When the time select option is displayed enter the time in the format HH MM For example 7 minutes after 10 o clock would be entered as 10 07 After you have ent...

Page 139: ...selected will be displayed in the format TTHHSS sector size To interrupt these tests press the Attn key 10 If the keyboard display option was not selected the diskettE drive s and or printer test wil...

Page 140: ...t either press the Sys Req key or press the Cmd key followed by the End of Job key Elapsed Time Counter Test 1 TMRTEST1 The elapsed time counter test 1 is a digital display of the elapsed time counter...

Page 141: ...C1D3E7D3C9E2E5 OG8 GO CD The following describes the permanent error log display G 8 o 194 Position number inside the log area Err Error Code Dev Address of device in error Program Program name P Part...

Page 142: ...5 Release the Shift key and enter 00F9 to display the address of the error recording table directories as follows o 00 F9 xxxx L The address of the error recording table directories 6 Record the addre...

Page 143: ...o The address of the first entry in the table Set to hex 00 Lock control normally set to hex 10 hex 80 indicates table is locked 9 Record the addresses IIfrom the error recording table directories dis...

Page 144: ...XXXX Function Statistics as Follows Input records is the number of records read from I O devices during execution of this utility Diskette output records printer output records and display output reco...

Page 145: ...hold the Shift key b Press the C key c Release the Shift key and enter one of the following 01 nonproof arrangement keyboard and a dual display 10 proof arrangement keyboard and a single display 11 pr...

Page 146: ...B associated with this error 4 7 Number of the partition that contains the lOB L _ _ Program name Error code Note Also see the previous display example in the beginning of this section 993 8 To displa...

Page 147: ...tions line is multipoint 6 Use connect data set to line mode 7 The modem is operating at half speed Status Byte 3 Bit Meaning when 1 o A valid EOT sequence was received while the MPU was in the contro...

Page 148: ...d or removed are v viii 49 52 59 60 79 80 83 84 86 1 86 2 added 193 194 239 240 275 276 367 374 Changes to the text and illustrations are indicated by a vertical line at the left of the change Summary...

Page 149: ...emoval and Replacement 30 183 Display Screen Examples 0 0 0 32 KEYBOARD DISPLAY CARDS 200 Keyboard Display MPU Card A A1 33 201 Data Station Adapter Card A E 1 34 203 Dual Data Station Adapter Card A...

Page 150: ...vice Aids 921 Absolute Dump Prcfcedure 925 Parity Check Display Examples vi 105 106 107 115 116 117 118 118 2 118 2 119 119 120 122 123 124 127 128 129 130 131 132 133 134 136 141 141 144 146 148 150...

Page 151: ...er Drive Configuration Register PRINTER ATTACHMENT Printer Attachment MPU Twinaxial Printer Adapter Start Stop Printer Adapter Twinaxial Printer Attachment Driver Receivers Timing Logic Port Control L...

Page 152: ...chronous Data Link Control 322 Commands and Responses 324 Commands and Responses Not Supported SDLC Commands and Responses in Hexadecimal Notation 325 326 329 viii XID Format Transmission Examples Zer...

Page 153: ...301 DISKETTE DRIVE REMOVAL AND REPLACEMENT continued 301 Diskette Drive 49...

Page 154: ...e drives are local addresses 4000 and 4400 and two diskette drives can be remote addresses 4800 and 4COO located in a remote data station Only four drives can be attached at one time The base main MPU...

Page 155: ...stalled Number Function 8 Not Used 7 Must be Off 6 Must be Off 5 Must be Off Modu Ie Label Page of SY31 0600 1 As updated September 7 1981 By TNL SN20 9656 Color Code 32K Card No Color 64K Card Red 4...

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Page 157: ...f main storage only switch 4 64K byte must be set to the On position See 303 to determine which card is used All other switches must be set to the Off pOSition The MDls for main storage 0520 and 0530...

Page 158: ...This page is intentionally left blank 60 403...

Page 159: ...s_p_la_y __ M_P_U______________________________ I A K_e_y_b_O_a_rd_ _fD_i_sp_l_ay __ S_to_r_a_ge ____M __ ai_n_S_t_o_ra_g_e____ I ______E_T __ C_ M __ S_R_ _E_T_C_ _o_r_B_u_f_f_e_rT __ im __ er ______...

Page 160: ...07 38LS United States nonswitched SNBU auto answer 813 07 38LS United States nonswitched SN BU manual answer 201 E1 Data station adapter 203 E1 Dual data station adapter 811 E5 Communications MPU wit...

Page 161: ...ana I MPU W 3270 I Emulation IA B1 Buffer Timer 1618152 I 2 Wide 837086A A B1 Elapsed Ti me 1618152 2 Wide Counter 837086 A B1 1MSR and 7364620 2 Wide Elapsed Time 840869 Counter A B1 4MSR and 4177924...

Page 162: ...d 4177527 4177528 4177897 2 Wide Display 10 28928 838391 839725 Storage A S7 4K Keyboard 4177529 4177530 2 Wide Display 10 28929 838393 Storage A S7 5K Keyboard 4177531 4177532 4177898 2 Wide Display...

Page 163: ...Attenuator W O 3270 Emulation A E5 Comm MPU 7364213 4177754 7364140 4 Wide W O 10 29013 839616A 839757A Attenuator W O 3270 Emulation f ROS Patch for 7364438 Comm MPU 868243 W O Attenuator W O 3270 E...

Page 164: ...own on the other side of the logic card cover fJ and release that lower edge of the cover from its latch on the logic card frame The cover can now be listed from the logic cards CAUTION The logic card...

Page 165: ...This page is intentionally left blank Page of SY31 0600 1 As updated September 7 1981 By TN L SN20 9656 193...

Page 166: ...AJ XL IST OO oee GO l _ _ _ _ _ _ The following describes the permanent error iog display o Position number inside the log area e Err Error Code e Dev Address of device in error e Program Program name...

Page 167: ...No diskette drives are required in the IBM 5281 however a maximum of two diskette drives can be installed One magnetic stripe reader can be attached but it is not required IBM 5282 The IBM 5282 is a...

Page 168: ...ter Can have one feature main MPU Can have one communications line If communications is installed the feature main MPU cannot be installed Can have one IBM 3270 emulation feature if commu nications is...

Page 169: ...utility A CAM communications acc ess method program in main storage A communications MPU card A line adapter card Data communications equipment rayt UI J J I VUVU As updated September 7 1981 By TN L...

Page 170: ...This page is left intentionally blank 276...

Page 171: ...76 252 269 274 3 attentuator jumpers 123 autoanswer sequence 298 auxiliary data station cable diagram 44 B adjustment 27 base main MPU card 50 bezel location 1 bi phase encoding printer 271 bid comman...

Page 172: ...278 operation examples 279 receive 282 transmit 279 power supply card location 3 removal 74 replacement 74 PT 2 line monitor 141 TP line monitor 141 typical operation 277 38LS identification 124 perso...

Page 173: ...rive 23 yoke 26 cable diagram 38 locations AC connector 22 centering rings 22 CRT 22 service information label yoke 22 MPU card 33 printed circuit board 22 removal 30 22 display assembly continued rep...

Page 174: ...ter 253 100B register 253 268 lOS register 253 268 IPL 59 170 IPL diskette 245 IWRAP 202 1 370 jumpers communications MPU card 123 attenuator 123 OOSA 133 EIA CCITT 123 ROS patch 123 2 wire or 4 wire...

Page 175: ...59 options 80 part number chart 81 plug chart 79 printer MPU 116 removal 90 replacement 90 1 MSR and elapsed time counter 119 4 MSR and elapsed time counter 119 logic overview 249 logic probe 161 logi...

Page 176: ...ers 296 programmable units IBM 5285 240 IBM 5286 241 IBM 5288 242 372 programs 245 PRTRPOLL 177 192 202 PSN adapter 299 PT 2 line monitor 141 read ata command 262 read iagnostic command 264 read IO co...

Page 177: ...ode select command 264 set ready command 264 SH UTD command 344 Page of SY31 0600 1 As updated September 7 1981 By TN L SN20 9656 signal command 343 SN A support 336 commands and responses 337 configu...

Page 178: ...ideo drive adjustment 23 wiring diagram 65 write control data command 264 write data command 262 write I D command 264 write last frame command 270 write read check command 261 I XWRAP 202 1 yoke adju...