HP 1000 A990, Installation And Service Manual

Page 1: ...HP 1000 A990 20 Slot System Computer Installation and Service Manual r i HEWLETT PACKARD ...

Page 2: ...59 90002 E0292 rl HEWLETT PACKARD HP 1000 A990 20 Slot System Computer Installation and Service Manual Measurement Control Systems Dlvison 11000 Wolfe Road Cupertino CA 95014 Printed in U S A February 1992 First Edition ...

Page 3: ...ett Packard assumes no responsibility for the use or reliability of its software on equip ment that is not furnished by Hewlett Packard This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company RESTRICTED ...

Page 4: ...s uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc tions manual may cause interference to radio communications It has been tested for compliance with the limits for Class A computing devices pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interfer ence Operation of this equipment ...

Page 5: ...t interface conforms to CCITI Recommendations V 24 and V 28 For connection to a public telecommunications network use only a modem complying with local regulations Germany Acoustics Laermangabe Schalldruckpegel LpA gemessen am fiktiver Arbeitsplatz bei normalem Betrieb nach DIN 45635 Teil 19 LpA 70 dB Acoustic Noise A weighted Sound Pressure Level LpA measured at the bystander position normal oper...

Page 6: ...n connected to grounded chassis Explanation of Caution Caution The CAUTION sign denotes a hazard It calls attention to an operating procedure practice or the like which if not correctly performed or ad hered to could result in damage to or destruction of part or all of the product Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met I Warning G Explanati...

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Page 8: ...st updates however no new information will be added Thus the reprinted copy will be identical in content to prior printings of the same edition with its user inserted update information New editions of this manual will contain new information as well as all updates To determine what manual edition and update is compatible with your current software revision code refer to the Manual Numbering File ...

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Page 10: ...cations plus site preparation unpacking and loss or damage claims procedure information Chapter 2 Installation Gives configuration information and describes the procedures for installing the A990 computer Chapter 3 Service Describes maintenance and troubleshooting requirements and procedures power supply checks power on self tests and definitions of LED indicators Also describes procedures for rem...

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Page 12: ...restart Switch 2 5 Interface Card Switches 2 7 Virtual Control Panel VCP Configuration 2 7 Memory Configuration 2 7 I O Priority Assignment 2 9 Installation Procedure 2 10 Battery Backup Installation 2 10 Memory Installation 2 13 I O Card Installation 2 13 Self Test Check 2 13 Computer Mounting 2 14 Table Mounting 2 14 Rack Mounting 2 14 System Console Terminal Installation 2 15 Interface Cabling ...

Page 13: ...0 Replacement 3 10 Power Supply 3 11 Removal 3 11 Replacement 3 11 Battery Pack 3 12 Removal 3 12 Replacement 3 12 Plug in Cards 3 12 Removal 3 12 Replacement 3 13 EPROM and Time of Day Clock Chips 3 13 Removal 3 13 Replacement 3 13 Backplane 3 14 Removal 3 14 Replacement 3 15 Line Filter 3 15 Removal 3 15 Replacement 3 15 115 230 Vac Reconfiguration 3 16 Power Distribution Diagram 3 16 Chapter 4 ...

Page 14: ...ssignments Backup Battery and Battery Bracket Backup Battery Installed in Battery Bracket Battery Assembly in Initial Position Battery Assembly in Final Position System Cabling Diagram Sample Display of Self Test Test 2 Error Code A990 CPU Card Chip Location Diagram Power Distribution Diagram 2O Slot Box Exploded View Front 2O Slot Box Exploded View Rear Front Panel Assembly Tables 1 5 1 5 2 2 2 3...

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Page 16: ...y at 230 Vac The system may be table mounted or rack mounted Environmental Considerations Table 1 1 describes the environmental requirements for the A990 When you set up your computer or system be sure you take into account environmental requirements or limitations imposed by all peripheral devices and components in the same location Power Requirements The HP 2959A and HP 2999A are shipped with th...

Page 17: ...ing on a table or mounted in a standard 483 mm 19 inch equipment rack If used in a mobile environment install the computer in a shock mounted equipment rack Refer to Table 1 1 for physical dimensions of the computer When mounting the A990 on a table provide enough clear space at the front and back of the computer to permit an unimpeded intake and exhaust of airflow Table 1 1 Electrical and Environ...

Page 18: ...t receives power Optional DC Power If an external battery is used it must be charged from an external source 25 kHz AC VOLTAGE Voltage Current Power BATTERY BACKUP HP 12157B Battery Backup Battery type EXT BAT Input 15 0 V maximum 10 5 V minimum 12 6 V nominal EXT BAT Input Ground 19 5 V rms 8 at 0 02 to 1 5 A split phase phase to common 1 5 A maximum 50Wmaximum Battery backup provides from 15 to ...

Page 19: ...45 C 32 to 113 F at 4572 meters 15 000 ft Non operating 40 to 75 C 40 to 167 F with optional battery backup 40 to 60 C 40 to 140 F Relative humidity Operating Non operating Altitude Operating Non operating Vibration and Shock Shock Operating Non operating Vibration Operating Gravity due to acceleration 1 4 Introduction 5 to 95 with maximum wet bulb temperature not to exceed 40 C 140 F excluding al...

Page 20: ...1 AC Power Cord Sets USA 220 240Vac East and West Europe FemaieCEE l Brown Ugh BI IN E Green Yellow Green Yellow E N Light Blue Brown l Part No 8120 1689 2 0m 220 240Vac Australia New Zeland FemaieCEE Ugh Blue 0 BlaOk IN l Light Brown or Red Green Yellow E E Green Yellow Light Brown or Red l N Light Blue or Black Part No 8120 1369 2 2m 220 240 Vac United Klndom Cyprus Nigeria Singapore FemaieCEE l...

Page 21: ...ollow the damage claim procedure described below Be sure you keep all shipping containers and packing materials You may need them for settling a claim or to repackage the computer or system Claims Procedure If you need to make a claim contact your nearest Hewlett Packard Sales and Service Office If the loss occurred in transit notify the carrier as well as Hewlett Packard and also be sure you reta...

Page 22: ...n power connector The power connector must be plugged into one of two connectors P7 or P8 located at the left side of the power supply when viewing the computer from the front See Figure 2 1 for a view of the power supply from the front and Figure 2 2 for the location of connectors P7 and P8 For 115 Vac operation the power connector must be plugged into socket P8 For 230 Vac operation the connecto...

Page 23: ...n the back panel of the computer to ENABLE The switch is shown in Figure 2 3 This switch should be set to the DISABLE position if the power is turned off and if memory backup is not required The switch should also be set to DISABLE if cards are to be connected or disconnected from the backplane Refer to the Battery Backup Installation section later in this chapter for instructions on installing ba...

Page 24: ...Output Connectors DC Output Connectors Battery Switch Connector Test Points and External Battery Connector 230 Vac Line Configuration Connector 115 Vac Line Configuration Connector AC Line Input Connector Battery Backup OFF Connector Figure 2 2 Power Supply Connector Diagram Figure 2 3 Computer Back Panel and Power Panel P1 Installation 2 3 ...

Page 25: ... switch see Figure 2 5 that controls the following functions 1 BOOT SELECT which selects computer operations at power up 2 Autorestart override Memory Lost which sets the conditions under which autorestart occurs 2 4 Installation 0 Firmware EPROM 2 m Cti C SW1 A bank of 4 LEOs is located on the lower side of the board directly below the upper bank of 8 LEOs Figure 2 4 A990 CPU Card Switches SW1 an...

Page 26: ...W2 8 be sure you set the Battery Enable switch to DISABLE When SW2 8 is ON if power is lost the autorestart feature will not restart the program that was running prior to the powerfail condition Instead the boot loader or VCP routine will execute 2 UP oft Autorestart is enabled if battery backup is installed and the Battery Enable switch is set to ENABLE If power is lost and memory was sustained a...

Page 27: ...autoboot via U U D D z Y D M the HDLC or LAN card the card must have select code 24 This is equivalent to loader command BDS Load and execute program from the first file of the disk via HP IB or SCSI U U U D z Y D M To autoboot via HP IB or SCSI the interface card must have select code 27 and for HP IB the disk drive must have HP IB address 2 or for SCSI ad dress 6 This is equivalent to the loader...

Page 28: ...ards as the VCP interface card Set switch U1S1 on that card to ON closed to designate it as the VCP interface card Memory Configuration Several memory configurations using 768 Kbyte 3 Mbyte and or 8 Mbyte memory array cards can be installed in the A990 Refer to Figure 2 6 for an illustration of minimum and maximum memory configurations All three array sizes may be used together in the same system ...

Page 29: ... MB Memory Array Card 13 Available for I O Card 3 12221 B 8 MB Memory Array Card 14 Available for I O Card 4 12221 B 8 MB Memory Array Card 15 Available for I O Card 5 12221 B 8 MB Memory Array Card 16 Available for I O Card 6 12009A HP IB Interface Card 17 Available for I O Card 7 Available for I O Card 18 Available for I O Card 8 Available for I O Card 19 Available for I O Card 9 Available for I...

Page 30: ...y assignments Configuring I O priority consists of installing interface cards in the desired order of priority I O requests from a higher priority device inhibit lower priority requests by breaking the priority chain To maximize system response time and efficiency assign the higher priorities to high speed peripherals Consult the system manager to establish I O device priority and install the inte...

Page 31: ... battery Align the negative terminal of the battery with the label on the battery bracket that reads Black Wire See Figures 2 8 and 2 9 5 On the right side of the chassis locate a pair of wires a white covered wire and a black covered wire in a gray sheath Connect the terminal lug on the white wire to the positive battery terminal and connect the terminal lug on the black wire to the negative batt...

Page 32: ...er battery Figure 2 8 Backup Battery and Battery Bracket White wire Allach battery cable terminal lugs onto battery terminals I I I l Black wire Figure 2 9 Backup Battery Installed In Battery Bracket Installation 2 11 ...

Page 33: ...ly Battery Terminal Negative Figure 2 10 Battery Assembly In Initial Position Positive Battery Terminal B B ON Terminal Battery B B OFF Negative Battery Terminal Backup Terminal Assembly Figure 2 11 Battery Assembly In Final Position ...

Page 34: ...earest the A990 CPU card Install the appropriate frontplane connector using one of the four supplied with your computer Attach the small connector of the frontplane to the CPU card and the other connector s to the memory array card s Be sure you use a frontplane that matches the number of memory array cards you have installed For example if you have installed four memory array cards the frontplane...

Page 35: ...rations are that adequate space should be allowed at the front and rear to ensure full intake and exhaust of ventilating air and that all covers are installed Also a minimum of 38 centimeters 15 inches of clearance behind the computer is required when removing and installing plug in cards Rack Mounting You can mount the A990 Computer in any standard 19 inch cabinet such as the HP 29429A or HP 2943...

Page 36: ... HP 12040 MUX is used as the VCP interface the VCP terminal must be connected to Port 0 of the MUX If your terminal is connected to an ASIC card or to revision C of the HP 12040 MUX card you must configure the terminal for 9600 baud rate If you are using revision D of the HP 12040 MUX card the computer is automatically configured to operate at the baud rate of your HP terminal You must have your t...

Page 37: ...nnector ill IA990 CPU Card v I Memory Array _ CS 80 or SCSI r Disk Drive l HP IB or SCSI Jt I 5061 5798 Fiber Optic I ASICorMUX E Fi r I I OptiC J Adapter 5061 6634 I Is061J r 1 r l 8QQ1 239x I OO_1 I I 262x I Terminal I I I Terminal I I L ____ J Alternate System Console Configurations ill As additional memory array cards are added the appropriate frontplane connector must be used Memory array fro...

Page 38: ...connector on the disk drive cable to the HP 12009A HP IB Interface Card or HP 12016A SCSI Interface Card with the cable extending to the bottom of the card cage 4 Install the rear panel Powering Up the System and Booting Use the following procedure to complete the installation and power up the system 1 Set the terminal Power switch to ON then set the system Power switch to ON If battery backup is ...

Page 39: ...ns the number of I O cards found by YCP the B Register contains the revision of the YCP code and the X Register contains the revision number of the A990 firmware EPROM 2 Boot up the RTE A Primary System using the instructions given in the RTE A Primary System Software Installation Manual part number 92077 90038 Verifying Computer Operations You can use the diagnostic programs supplied with the HP ...

Page 40: ...alog Multiplexer Expansion Card 044 0 HP 12062A Digital to Analog Card 060 0 HP 12153A A700 Writable Control Store Card 061 0 HP 12205A A900 Writable Control Store Card 102 0 HP 12007B HDLC Modem Card 102 0 HP 12044A HDLC Direct Connect Card 102 0 HP 12042A Programmable Serial Interface Modem Card 102 0 HP 12042B Programmable S rial Interface Direct Connect Card 102 0 HP 12073A DS 1000 IV Modem In...

Page 41: ...ckaging 3 In correspondence dealing with an item please refer to it by both model and serial numbers Shipment Using New Packaging The following instructions should be used as a guide when packaging the computer with commercially available materials 1 Wrap the computer in Aircap film or foam If shipping the computer back to Hewlett Packard first attach a tag to the computer with your return address...

Page 42: ...discon nect power before performing any maintenance Failure to do this could result in serious injury Maintenance schedules should be set up according to the quality of the environment in which the computer is operating A computer in a clean and air conditioned atmosphere requires less periodic maintenance than one that is located in an atmosphere laden with dust smoke moisture or other particulat...

Page 43: ... returning the faulty one Assembly removal and replacement procedures are given in this chapter Power Supply Check Warning G To avoid damage to equipment or injury to people any service adjustments or repair to the power supply must be performed only by qualified maintenance people Before working on the power supply you must set the computer s ac Power Switch LINE switch to OFF and disconnect the ...

Page 44: ...orrect connector on the power supply Refer to Figure 2 2 a For 115 Vac power sources plug the configuration fan power plug into connector P8 b For 230 Vac power sources plug the configuration fan power plug into connector P7 4 Reconnect the ac power cord and set the LINE switch on the rear panel to ON If battery backup is installed set the Battery switch on the power panel to ENABLE 5 Using a volt...

Page 45: ...st 1 and Test 2 that automatically execute each time you turn on the computer You also can initiate these tests by pressing Reset Switch SW1 on the A990 CPU card Test 1 microcoded self test tests the processor at the circuit level Test 2 VCP pretest tests the processor at the functional level For example Test 1 tests the hardware associated with the LIA instruction to ensure that the hardware work...

Page 46: ...rmed and main memory is effectively cleared memory contains all zeros On successful completion of Test 2 the LEDs will be lit with a specific pattern This pattern depends on the startup configuration as selected by the BOOT SELECT switches SW2 Refer to Table 3 3 for the LED displays that indicate self test passed If Test 2 detects a failure the error code is displayed on the upper 8 LEDs the lower...

Page 47: ...by a bad cache ASIC Chip Failure caused by bad A990 board Failure caused by bad A990 board Failure caused by bad A990 board Failure caused by bad A990 board Failure caused by bad A990 board Failure caused by bad A990 board Failure caused by bad EPROM or A990 board board failure possibly caused by a bad processor ASIC Chip The following LED indications are caused by fatal base set errors after the ...

Page 48: ...finition of all the error codes Octal Code LED Display 40 0000000 One travelling LED is displayed then 302 0000 0 First byte of error message is displayed 40 000000 Two travelling LEOs are displayed then 201 000000 Second byte of error message is displayed 40 00000 Three travelling LEOs are displayed then 023 000 00 Third byte of error message is displayed 40 0000 Four travelling LEOs are displaye...

Page 49: ...nd xx are the select codes of the enabled cards 300 202 Oyy Oxx Broken I O chain yy is the number of I O cards found by polling xx is the number found by priority scan the break will usually be found at slot xx 1 300 203 000 Oxx Duplicate select codes more than one card has the select code xx 300 204 000 Oxx An I O card at select code xx has a select code of less than 20b 300 205 000 000 No I O ca...

Page 50: ... equipment or injury to people any service adjustments or repair to the power supply must be performed only by qualified maintenance people The contents of memory will be lost when ac line voltage is OFF and bat tery backup if installed is disabled Before shutting down the computer be sure to save and store the contents of memory The following paragraphs describe procedures for removing and replac...

Page 51: ... power supply noting whether the connector is in P7 or P8 See Figure 2 2 Remove the fan panel Replacement Replace the fan panel by reversing the removal procedure Note that when reconnecting the ac line configuration fan power connector to the power supply use connector P7 if the ac line voltage is 230 Vac or connector P8 if the ac line voltage is 115 Vac Fans Removal Remove a fan as follows 1 Set...

Page 52: ...6 4 Disconnect the Battery Backup connector from the B B ON or B B OFF terminal as required 5 Disconnect the Battery Enable switch connector from P5 6 Remove the two screws that secure the bottom bracket of the power supply 7 Grasp the power supply by the front edge and pull the power supply away from the backplane Replacement Replace the power supply by reversing the removal procedure Caution I A...

Page 53: ...lace the battery pack by following the instructions given in the Battery Backup Installation section in Chapter 2 Plug in Cards Caution I Removal STATIC SENSITIVE DEVICE Use anti static handling procedures when removing or installing a system plug in card Remove a plug in card from the card cage as follows 1 Set the power switch to OFF and disconnect the power cord If battery backup is installed s...

Page 54: ...e anti static handling procedures when removing or installing a chip on the A990 CPU card To remove the EPROM or time of day clock chip set the power switch to OFF and remove the CPU card from the computer placing it on a flat surface While observing the anti static handling precautions carefully pull the chip from its mounting socket Refer to Figure 3 2 for the chip locations Replacement Replace ...

Page 55: ...ip Location Diagram Backplane Removal Remove the backplane as follows 1 Set the power switch to OFF and disconnect the power cord If battery backup is installed set the Battery Enable switch to DISABLE 2 Disengage all plug in cards from the backplane 3 Remove the fan panel and power supply as described previously 4 Remove the connectors on the right hand primary side of the line filter 5 Loosen th...

Page 56: ... to the bottom lug and the green wire to the casing Line Filter Removal Remove the line filter as follows 1 Make sure the power switch is set to OFF and disconnect the power cord If battery backup is installed set the Battery Enable switch to DISABLE 2 Remove the fan panel and line filter connectors as described previously 3 Remove the four screws and washers that retain the line filter and remove...

Page 57: ...osition of the ac line configuration fan power connector 1 If you are reconfiguring the power supply from 115 Vac to 230 Vac operation apply the 230 Vac label to the back panel of the computer If you are reconfiguring the power supply from 230 Vac to 115 Vac operation apply the 115 Vac label to the back panel of the computer 2 Remove the front panel of the computer and the fan panel as described p...

Page 58: ...Batt Fuse I 4 L Battery Pack T __________ __ 3__ Battery Backup Circuits 230Vi P7 I 8 I 5 I 4 I 1 I P8 I 115V I 10 43 46 39 42 1 28 29 32 33 34 35 38 47 48 49 1 36 37 50 I 9 I 8 I 7 6 5 4 3 2 P2 I I I 1 I I r Fan Power Configuration Fan Power r Configuration Phase 2 Phase 1 COMMON 12 12 5M r To PON Backplane PFW MLOST 5V COMMON Figure 3 3 Power Distribution Diagram Service 3 17 3 18 ...

Page 59: ...each part 3 HP Part No The Hewlett Packard part number for each part Ordering Information When ordering replaceable parts address the order to the nearest Hewlett Packard Sales and Service Office Include the following information for each part ordered 1 Complete model number and serial number of the computer 2 HP Part number for each part 3 Complete description for each part as provided in the rep...

Page 60: ...uard 3160 0092 17 Card Guide Narrow 0403 0436 18 Grommet 0400 0370 19 Terminal 0360 1263 20 Rivet Blind 0361 1072 21 Flat Washer 6 3050 0228 22 Flat Washer 8 3050 0139 23 Lock Washer 6 2190 0851 24 Screw PH 6 32 x 1 875 2360 0318 25 Screw PH 6 32 x 0 375 2360 0359 26 Screw PH 6 32 x 0 625 2360 0203 27 Screw PH 8 32 x 0 375 2510 0103 28 Screw PH 8 32 x 0 25 2510 0099 29 Screw PH 8 32 x 0 375 2510 0...

Page 61: ...iner 12210 00027 50 Snap in Plunger 1390 0365 51 Snap in Grommet 1390 0366 52 Ball Stud 0510 1107 Battery Backup Cable 12151 60010 Battery Pack 1420 0304 Power Supply 0950 2100 Cable Retainer Hardware Kit 12151 60015 A990 CPU CARD AND MEMORY A990 CPU Card 12990 60202 Time of Day Clock Chip 1826 2068 Firmware EPROM Chip 12990 80106 768 KByte ECC Memory Array 12220 60001 3 MByte ECC Memory Array 122...

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Page 63: ... o 0 Side View wHh Shroud Removed Figure 4 1 16 Slot Box Exploded View Front with Internal Disks Replaceable Parts 4 5 4 6 ...

Page 64: ... 2 Places 2 Places _ _ c 0 c F Igure 4 2 20 S lot Box Exploded V lew Rear Replaceable Parts 4 7 4 8 ...

Page 65: ... 3Plac 22 _ I Figure 4 3 16 510t Box Exploded View Rear Replaceable Parts 4 9 4 10 ...

Page 66: ...rljpi HEWLETT PACKARD Copyright 1992 Hewlett Packard Company Printed in USA 02 92 Manual Part No Manufacturing 02959 90002 Part No 02959 96002 1IIIIIIIlll IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII 1111III ...