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Digital Equipment VAX 6000 Model 500 Installing

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VAX 6000: Installing Model 500
Processors
Order Number EK–KA65A–UP–001
This manual tells how to install Model 500 processor
modules in a VAX 6000 system. It describes adding
processors to a Model 500 system. It also includes
upgrading a Model 200, 300, or 400 to a Model 500
by two methods: installing the H9657-CX upgrade kit
and removing the power inhibit cable.
digital equipment corporation
maynard, massachusetts

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  • Page 1 VAX 6000 system. It describes adding processors to a Model 500 system. It also includes upgrading a Model 200, 300, or 400 to a Model 500 by two methods: installing the H9657-CX upgrade kit and removing the power inhibit cable. digital equipment corporation maynard, massachusetts...
  • Page 2 The software, if any, described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license. No responsibility is assumed for the use or reliability of software or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies.

  • Page 3: Table Of Contents

    Contents Preface Chapter 1 Introduction KA65A Upgrade Paths ......1–2 Comparison of the H9657-CX and H9657-CU Upgrades ..1–4 How to Use This Book .
  • Page 4 Change System Number Plate ......6–20 Appendix A VAX 6000 Model 500 General Configuration Rules General Configuration Rules ......
  • Page 5 Examples 2–1 SAVE EEPROM Command for Systems with TK Tape ..2–2 2–2 Record System Parameters — INITIALIZE Command ..2–4 2–3 Record System Parameters — SHOW ALL Command ..2–5 6–1 Self-Test for Upgrading VAX 6000 System 510 to 520 .
  • Page 6 Tables VAX 6000 Series Documentation ..... . viii VAX 6000 Model Level Documentation ....Associated Documents .

  • Page 7: Preface

    Preface Intended Audience This manual is written for Digital customer service engineers and for self- maintenance customers installing a VAX 6000 Model 500 processor in a VAX 6000 series system. Document Structure This manual uses a structured documentation design. There are many topics, organized into small sections for reference.

  • Page 8: Vax 6000 Series Documentation

    I/O modules in the XMI card cage. Configuration rules for the H9657- CX upgrade, which are different, are described in Section 4.2. Appendix B, Description of KA65A LEDs, tells how to interpret the • error LEDs on the KA65A. Conventions Used in This Document The icons shown below are used in illustrations for designating part placement in VAX 6000 series systems.

  • Page 9: Vax 6000 Model Level Documentation

    VAX 6000 Model 300 and 400 Service Manual EK–624EA–MG VAX 6000: Installing Model 200/300/400 Processors EK–6234A–UP Model 500 VAX 6000 Model 500 Mini-Reference EK–650EA–HR VAX 6000 Model 500 Service Manual EK–650EA–MG VAX 6000 Model 500 System Technical User’s Guide EK–650EA–TM VAX 6000: Installing Model 500 Processors EK–KA65A–UP...

  • Page 10: Associated Documents

    Associated Documents Table 3 lists other documents that you may find useful. Table 3: Associated Documents Title Order Number System Hardware Options VAXBI Expander Cabinet Installation Guide EK–VBIEA–IN EB–32255–46 VAXBI Options Handbook System I/O Options CIBCA User Guide EK–CIBCA–UG EK–CIXCD–UG CIXCD Interface User Guide DEC LANcontroller 200 Installation Guide EK–DEBNI–IN...
  • Page 11 Table 3 (Cont.): Associated Documents Title Order Number Operating System Manuals VMS Upgrade and Installation Supplement: VAX 6000 Series AA–LB36C–TE AA–LA48A–TE VMS Networking Manual VMS System Manager’s Manual AA–LA00A–TE AA–LA27B–TE VMS VAXcluster Manual Peripherals HSC Installation Manual EK–HSCMN–IN EK–H4000–IN H4000 DIGITAL Ethernet Transceiver Installation Manual Installing and Using the VT320 Video Terminal EK–VT320–UG EK–ORV20–OM...

  • Page 12: Chapter 1 Introduction

    Chapter 1 Introduction The VAX 6000 Model 500 processor is the KA65A, which must be used with the MS65A memory. The KA65A processor uses +3.3V power, which may or may not be directly available on the system you are upgrading. If the system supplies +3.3V power, upgrading is simple.

  • Page 13: Ka65A Upgrade Paths

    1.1 KA65A Upgrade Paths There are four starting points from which to upgrade to a VAX 6000 Model 500 system. Figure 1–1: KA65A Upgrade Paths VAX 6000 Model 500 Models 200,300,400: Model 500: Models 300,400: Models 200,300,400: install H9657-CU Kit...
  • Page 14 You will need to upgrade a VAX 6000 system by installing KA65A processor boards when: The customer already has a VAX 6000 Model 500 system and simply wants to add more KA65A processors. The customer is upgrading to a Model 500 from a Model 300 or 400 that is equipped to supply +3.3V power to the KA65A.

  • Page 15: Comparison Of The H9657-Cx And H9657-Cu Upgrades

    1.2 Comparison of the H9657-CX and H9657-CU Upgrades Three factors guide the customer’s choice between the H9657-CX and H9657-CU upgrades. Figure 1–2: Tradeoffs Between the H9657-CX and H9657-CU Upgrades NEED BATTERY BACKUP NEED MORE THAN 4 CPUs NEED MORE THAN 12 XMI SLOTS INSTALL H9657-CX KIT INSTALL H9657-CU KIT...
  • Page 16 As Figure 1–2 shows, three factors affect the customer’s choice between the two ways of upgrading to a VAX 6000 Model 500 from a Model 200, 300, or 400 with an XMI that does not have +3.3V power. Need for Battery Backup The H7231-N battery backup unit (used with the VAX 6000 Model 200, 300, or 400 systems without a +3.3V XMI) is incompatible with the...

  • Page 17: How To Use This Book

    1.3 How to Use This Book Only some chapters of this manual are relevant to your particular installation. Figure 1–3: How to Read This Book Chapter 2: Chapter 3: Chapter 4: Chapter 5: Chapter 6: Preparation Remove Cable Install Install Verify H9675-CX Kit KA65A...
  • Page 18 As shown in Figure 1–3, you do not need to use this whole manual. You should read different chapters depending on what kind of system you are upgrading and how: If you have a VAX 6000 Model 500 and are adding KA65A CPUs, you should read: •...

  • Page 19: Chapter 2 Preparing For The Installation

    Chapter 2 Preparing for the Installation Before you install the KA65A processors in your VAX 6000 system, you need to make sure that the system will work after the physical installation has been done. This chapter describes the procedure. Sections include: •...

  • Page 20: Save Eeprom Contents To Tk Tape (Optional)

    2.1 Save EEPROM Contents to TK Tape (Optional) You may want to prepare for the upgrade by saving or otherwise recording the EEPROM contents of the current system. This information will serve as insurance in case the installation of the new KA65A processor does not work, and you want to restore the old processors to have a working system.
  • Page 21 If your system does not have a TK drive, you can save the information as described in Section 2.2. Example 2–1 shows the steps to save the EEPROM contents. Put a blank TK cartridge in the tape drive. Put the control panel’s upper key switch in the Enable position and the lower key switch in the Halt position, and then press the Restart button to generate self-test results.

  • Page 22: Record System Parameters

    2.2 Record System Parameters Save a printout of the system parameters, which you’ll want to restore after installation. Example 2–2: Record System Parameters — INITIALIZE Command >>> INIT ! Resets the entire system. #123456789 0123456789 0123456789 01234567# NODE # XBI D + XBI E + 64 Mb ROM0 = V1.00...

  • Page 23: Record System Parameters — Show All Command

    Example 2–3: Record System Parameters — SHOW ALL Command >>> SHOW ALL Type ! Lists all system parameters, KA64A (8082) 000B ! beginning with the system KA64A (8082) 000B ! configuration MS62A (4001) 0002 MS62A (4001) 0002 DWMBA/A (2001) 0002 DWMBA/A (2001) 0002 XBI D DWMBA/B (2107) 000A...

  • Page 24: Shut Down The System

    2.3 Shut Down the System Before doing anything more to install KA65A processors, shut down the operating system and turn off the upper key switch. If you are installing an H9657-CX or an H9657-CU kit, you also need to turn off the AC power supply and unplug the machine.
  • Page 25 1. Perform an orderly shutdown of the operating system. 2. Turn the upper key switch on the front control panel to the Off (0) position (see Figure 2–1). 3. Open the front cabinet door. 4. Remove the clear plastic door in front of the XMI card cage. For all systems except those using the H9657-CX kit or the H9657-CU kit to provide power, further work will involve taking modules in and out of the XMI card cage, and you can proceed while electrical power is being supplied...

  • Page 26: Remove Old Modules

    2.4 Remove Old Modules Before installing new processor modules, take out the old ones. Figure 2–2: Removing Old Modules from the XMI Card Cage msb-0219-90 2–8 VAX 6000: Installing Model 500 Processors...

  • Page 27: Kit-Compatible Memory And I/O Modules

    Upgrading a VAX 6000 to a Model 500 may require changing memory or I/O modules. Table 2–1 lists the compatibility restrictions inherent with (1) using the H9657-CX to provide the +3.3V power needed for the KA65A and (2) all other ways of obtaining the +3.3V power. Table 2–1: Kit-Compatible Memory and I/O Modules Upgrade with Other...

  • Page 28: Return Old Processor Modules

    2.5 Return Old Processor Modules Processor modules removed from machines are to be returned to the Returns Sort Center. CAUTION: Use proper ESD procedures when handling these modules. These instructions for the return of modules apply to the U.S. area only. Those installing upgrades in other areas should follow procedures for those countries.

  • Page 29: Continuing The Installation

    2.6 Continuing the Installation You are now ready to proceed with the installation of the VAX 6000 Model 500 processors. As noted in Chapter 1, you read only the chapters that apply to your installation. • Upgrading a Model 500 System. Proceed to Chapter 5 (Installing the KA65A Processor) and Chapter 6 (Verifying the System).

  • Page 30: Chapter 3 Removing The +3.3V Inhibit Cable

    Chapter 3 Removing the +3.3V Inhibit Cable If the VAX 6000 Model 300 or 400 has a +3.3V XMI, you need to remove a power-inhibit cable before installing any KA65A processors. Go to the rear of the cabinet and unplug the small cable from connection J1 of the H7242 regulator with the main cable to the H7206-B.

  • Page 31: Chapter 4 Installing The H9657-Cx Kit

    Chapter 4 Installing the H9657-CX Kit If you have a VAX 6000 Model 200, 300, or 400 system that does not have a +3.3V XMI, the H9657-CX kit lets you upgrade the system to a Model 500 without going through the full power and packaging upgrade (kit H9657- CU).

  • Page 32: Contents Of The H9657-Cx Kit

    4.1 Contents of the H9657-CX Kit The H9657-CX kit contains a blue bus bar (with four screws) and a T2019 power regulator module. Figure 4–1: T2019 Power Regulator Module and Bus Bar 4 SCREWS BLUE BUS BAR T2019 MODULE msb-0702A-90 4–2 VAX 6000: Installing Model 500 Processors...
  • Page 33 The H9657-CX kit contains: • A T2019 power regulator module that you install in the XMI-1 cage. This module converts the +5V power supplied to the XMI-1 backplane to +3.3V required by the KA65A processor. • A blue bus bar that routes the +5V and +3.3V power to the appropriate places.

  • Page 34: Configuration Rules For The H9657-Cx Kit

    4.2 Configuration Rules for the H9657-CX Kit Install the T2019 power regulator module in slot 2 of the XMI-1 card cage. Slot 1 must be vacant, since the T2019 has heat sinks that protrude into slot 1 space. Figure 4–2: XMI Configuration When Using the H9657-CX Kit XMI CARD CAGE D C B A 9 7 6 5 4 3...
  • Page 35 For systems with VAXBI buses, a DWMBx-A is typically in this slot, to be close to a corresponding DWMBx/B in the VAXBI card cage. Note that the VAX 6000 Model 500 supports the DWMBA only when the H9657-CX kit is installed. Other Model 500 systems use the DWMBB for communication with the VAXBI.

  • Page 36: Installing The Bus Bar

    4.3 Installing the Bus Bar The blue bus bar in the H9657-CX kit transfers the incoming +5V power to the T2019 module and delivers the +3.3V power produced by that module to the appropriate place on the XMI backplane. Figure 4–3: Installing the H9657-CX Bus Bar msb-0416A-90 4–6 VAX 6000: Installing Model 500 Processors...
  • Page 37 To install the H9657-CX components, you should: 1. Perform an orderly shutdown of the operating system. 2. Turn the upper key switch on the front control panel to the 0 (Off) position. 3. Open the front and rear doors. 4. At the rear of the cabinet, pull the circuit breaker on the AC power controller to the Off position.

  • Page 38: Installing The T2019 Module

    4.4 Installing the T2019 Module The T2019 power regulator module transforms the +5V supplied to the XMI-1 backplane to the +3.3V needed by the KA65A processor. Install the T2019 in slot 2 of the XMI cage. Figure 4–4: Installing the T2019 Power Regulator Module CONNECTOR SEGMENTS SELF-TEST...

  • Page 39: T2019 Power Regulator Module Leds

    Figure 4–4 shows the T2019 power regulator module. It must be inserted in slot 2 of the XMI cage with slot 1 empty. (The heat sinks on the T2019 protrude into slot 1.) Follow these steps to install the T2019 module: 1.

  • Page 40: Chapter 5 Installing The Ka65A Processor

    Chapter 5 Installing the KA65A Processor This chapter tells how to handle the KA65A processor and install it in the XMI card cage. Sections include: • Holding the KA65A Processor • Inserting the KA65A Processor Into an XMI Card Cage Chapter 4 gives configuration rules for systems upgraded with an H9657- CX kit.

  • Page 41: Holding The Ka65A Processor

    5.1 Holding the KA65A Processor Handle the KA65A modules with care. The technology used on this module is more vulnerable to static than past technology. Also, these modules have 25 mil leads to the chips; these leads are very small, close together, and easily bent.
  • Page 42 The KA65A processor requires careful handling. Prepare yourself and the work area before handling these modules. Roll up your sleeves and remove any jewelry. Figure 5–1 shows the proper way to hold the module. Follow these handling procedures to avoid damaging the KA65A module: 1.

  • Page 43: Inserting The Ka65A Processor Into An Xmi Card Cage

    5.2 Inserting the KA65A Processor Into an XMI Card Cage Lift the lever for the XMI slot where you wish to install the KA65A, insert the processor, and lower the lever. Figure 5–2: Inserting the KA65A Processor in an XMI Card Cage msb-0219A-90 5–4 VAX 6000: Installing Model 500 Processors...
  • Page 44 You must take special precautions when inserting the KA65A module in or removing it from the XMI card cage. 1. Do not let the module touch other modules or cables when you are putting it in or taking it out of the XMI card cage. 2.

  • Page 45: Chapter 6 Verifying The System

    Save EEPROM to TK Tape (Optional) • Verify System Under Operating System • Change System Number Plate If you want to run ROM-based diagnostics, see the diagnostics chapter of the VAX 6000 Model 500 Service Manual for more information. Verifying the System 6–1...

  • Page 46: Verification Overview

    6.1 Verification Overview To verify the new processors, turn the system on and let self-test run. Set system parameters. Apply current ROM patches with EVUCA. For systems with vector processors, run the VAX Vector Instruction Exerciser. Then save system parameters, boot the operating system, and run applicable tests.
  • Page 47 To verify the upgraded system: Power up the system. Self-test runs and tests all modules. If your system has more than one Model 500 processor, the multiprocessor tests are automatically run in self-test. See Section 6.2 and Section 6.3. Set the system serial number on all processors. (Error messages show that processor serial numbers have not been initialized.) See Section 6.4.

  • Page 48: Power Up The System

    6.2 Power Up the System For the H9657-CX and H9657-CU upgrades, you now restore power to the system. For all upgrades, turn the upper key switch on the front panel to the Enable position. Figure 6–2: Return Power to the System REAR msb-0405-90 6–4 VAX 6000: Installing Model 500 Processors...
  • Page 49 For system upgrades using the H9657-CX and H9657-CU kits, restore power to the system by: 1. Plugging in the system power cord. 2. Pushing the circuit breaker on the AC power controller to the On position. The AC power controller is at the bottom rear of the cabinet, as shown in Figure 6–2.

  • Page 50: Examine The Self-Test

    6.3 Examine the Self-Test At system power-up, self-test runs, checking all modules. Example 6–1: Self-Test for Upgrading VAX 6000 System 510 to 520 #123456789 0123456789 0123456789 0123456789 012345# NODE # 128 128 256 Mb Console = V2.00 RBDs = V2.00 EEPROM = 2.00/2.00 SN = SG01234567 ?002D For Secondary Processor n...
  • Page 51 The first phase of verification involves checking the self-test results. When you power up the system, self-test runs, showing the state of each module in the XMI card cage. (Entering the INITIALIZE command at the console prompt also generates self-test.) Example 6-1 shows a self-test of an upgrade from a VAX 6000 Model 510 to a Model 520.

  • Page 52: Set System Parameters (Mandatory)

    6.4 Set System Parameters (Mandatory) You must set the system serial number on all new processors and enter the power indication on H9657-CX or -CU upgrades. Example 6–3: Setting the System Serial Number and Parameters >>> SET CPU n ! Make the rightmost new CPU ! the boot processor.
  • Page 53 where m is the node of another new processor. You must wait for the UPDATE command to finish processing, which takes up to 4 minutes for each secondary processor. To update system parameters: Set the lower key switch to Update and issue the SET CPU command to make the rightmost new processor the boot processor.

  • Page 54: Run Evuca To Apply Current Rom Patches (Mandatory)

    6.5 Run EVUCA to Apply Current ROM Patches (Mandatory) You must run EVUCA to ensure that all modules are up to the latest patch revision. Boot the VAX Diagnostic Supervisor (VAX/DS), run the autosizer EVSBA, and load and run the EVUCA program.
  • Page 55 EVUCA checks ROM levels on all processors and applies the latest patches to each processor. Example 6–4 and Example 6–5 show a sample EEPROM update of a Model 500 two-processor system. In these examples, the boot processor is in slot 1 of the XMI card cage, and a secondary processor is in slot 2.
  • Page 56 Example 6–5: EVUCA Program (Part 2) CPU 02 has the same ROM revisions as CPU 01 Boot primitives are the same for these CPUs. Updating CPU 01 Primary CPU 01 Done. Secondary CPUs are being updated, please wait a maximum of 20 seconds. Updating CPU 02 Secondary CPU 02 Done.
  • Page 57 EVUCA program compares the existing ROM revisions of all CPUs attached. Here, it notes that both CPUs are at the same revision level. Program informs you that it is updating the CPU at node 1. Program informs you that it is updating secondary CPUs. In this example, there is only one secondary CPU at node 2.

  • Page 58: Run The Vax Vector Instruction Exerciser (Optional)

    The example assumes that you have run the autosizer program and selected all devices, as in Example 6–4. If you need additional information on the VAX Vector Instruction Exerciser, see the VAX 6000 Model 500 Service Manual. 6–14 VAX 6000: Installing Model 500 Processors...
  • Page 59 Issue the SET QUICK command to run the shorter version of the tests. All devices were selected previously, so you must now deselect the second scalar/vector pair from the test sequence while KA0 is being tested. Run the EVKAG diagnostic. The VAX Vector Instruction Exerciser runs only on the scalar/vector pair from which VAX/DS was booted.

  • Page 60: Print System Parameters

    6.7 Print System Parameters Using the SHOW FIELD and SHOW ALL commands, print the system parameters in effect for this system. Using console commands, print the parameters to the console terminal printer and save the printout in two places: the maintenance envelope attached to the back door of the cabinet and in your Site Management Guide.
  • Page 61 Example 6–8 (Cont.): System Parameters Printout XBI E DWMBA/B (2107) 000A DEBNI (0118) 0100 KDB50 (010E) 0F1C TKB70 (410B) 0304 Current Primary: /NOENABLED- /NOVECTOR_ENABLED- /NOPRIMARY- NODE # . 128 128 256 Mb /CONSOLE_LIMIT: 01000000 /INTERLEAVE:DEFAULT /SCOPE /SPEED: 9600 /BREAK English XMI:D BI:4 08-00-2B-0B-8E-94 XMI:E BI:2...

  • Page 62: Save Eeprom To Tk Tape (Optional)

    6.8 Save EEPROM to TK Tape (Optional) If your system has a TK tape, save EEPROM to the TK. This tape would be used in case the EEPROM contents become corrupted and must be restored. Example 6–9: Saving EEPROM to TK Tape >>>...

  • Page 63: Verify System Under Operating System

    6.9 Verify System Under Operating System After you have started the operating system, run any appropriate tests. For VMS, as noted in Chapter 2, you need to have Version 5.4 to be able to use the Model 500 processors. With VMS, you can use a set of programs called UETP (User Environment Test Package).

  • Page 64: Change System Number Plate

    6.10 Change System Number Plate On the system cabinet front door, change the number plate to reflect the number of your system upgrade. Figure 6–3: Front Door (Inside View) msb-0092-89 6–20 VAX 6000: Installing Model 500 Processors...
  • Page 65 1. Locate the number plate (74-39700-XX) in your upgrade kit. 2. To change the VAX number plate, working from the inside of the front cabinet door, remove the retainer and push out the system numbers. . Install the new number for your upgraded system. Verifying the System 6–21...

  • Page 66: Appendix A Vax 6000 Model 500 General Configuration Rules

    6000 Model 500 modules. It does not include systems using the H9657-CX upgrade. See Chapter 4 for configuration rules when installing the H9657- CX kit. The sections in this appendix include: • General Configuration Rules • FV64A Vector Configuration Rules VAX 6000 Model 500 General Configuration Rules A–1...

  • Page 67: General Configuration Rules

    A.1 General Configuration Rules Figure A–1 gives the general XMI configuration rules for VAX 6000 Model 500 scalar systems. Figure A–1: Configuration Rules for Model 500 Scalar Systems XMI CARD CAGE D C B A 9 7 6 5 4 3 I/O Slots I/O Slots Processor Slots...
  • Page 68 See Section A.2 for rules on scalar/ vector systems. Memories are installed last. For scalar systems, fill available slots from left to right, slots 9 through 2, and then right to left, slots A through D. VAX 6000 Model 500 General Configuration Rules A–3...

  • Page 69: Fv64A Vector Configuration Rules

    A.2 FV64A Vector Configuration Rules A vector processor must be installed to the left of its companion scalar processor. An intermodule cable connects the two modules. A memory module or an empty slot must be to the left of the vector processor. Any other configuration may damage the vector module.

  • Page 70: Processor Module Combinations

    M V P P P P M V P M V P Figure A–2 shows system configurations for a VAX 6000 Model 500 system with one or two vector processors. The left side of the figure indicates the configuration for two scalar/vector pairs with a memory module in the slot to the left of the vector processor.

  • Page 71: Ka65A Error Led

    Appendix B Description of KA65A LEDs This appendix tells what the KA65A processor module LEDs indicate. You can use this information to isolate a problem in a module that fails self-test. The sections include: • Overview of KA65A LEDs • Determining Failing Test from LEDs •...

  • Page 72: Overview Of Ka65A Leds

    B.1 Overview of KA65A LEDs The KA65A LEDs indicate if self-test passed or failed, if the module is the boot processor or a secondary, and the failing test number. Figure B–1: KA65A LEDs After Power-Up Self-Test SELF-TEST FAILED SELF-TEST PASSED YELLOW MOST SIGNIFICANT...
  • Page 73 If self-test passes, the large yellow LED at the top of the LEDs is ON. (Here self-test means the on-board power-up tests, RBD 0, the CPU/memory interaction tests, RBD 1, and the multiprocessing tests, RBD 5.) The top two red LEDs (next to the yellow one) are also ON, and the next five red LEDs are OFF.

  • Page 74: Determining Failing Test From Leds

    B.2 Determining Failing Test from LEDs When self-test fails, the red LEDs on the KA65A contain the failing test number. Check the state of other module LEDs to determine the failing RBD and device, as shown in Table B–1. Table B–1: KA65A Status LEDs KA65A LEDs Diagnostic and Self-Test...
  • Page 75 Table B–1 (Cont.): KA65A Status LEDs KA65A LEDs Diagnostic and Self-Test Yellow Test Number Device Failing Line FV64A Yellow LED ON 91–97 Multiprocessor test (RBD 5) KA65A or FV64A T0001–T0007 DWMBB/A Yellow LED OFF 1–48 DWMBB test (RBD 2) DWMBB T0001–T0048 If a processor’s yellow LED is OFF and the red LEDs show an error code in the range 1–45, the power-up self-test failed and the processor board is...

  • Page 76: Ka65A Error Led

    B.3 KA65A Error LED The KA65A error LED (bottom red LED) is an error summary or indicates the state of backup cache. Table B–2: KA65A Error LED XCR0<14> XCR0<13> Error LED ON Error summary (power-up state) Backup cache is off Error summary or backup cache is off Off—Error LED does not light Example B–1: Examining the XCR0 and XBER Registers...
  • Page 77 The state of the error LED depends on bits in two registers. At power-up it reflects the state of XBER bit 31, the Error Summary bit. (The error LED is ON if the Error Summary bit is set.) At times other than power-up, the meaning of the error LED is determined by the state of XCR0 bits 14 and 13.
  • Page 78 Index DWMBA-A modules, 5–5 DWMBB-A modules, 5–5 Battery backup comparison of H9657-CX and -CU upgrades, 1–5 Booting VAX/DS, 6–10 EEPROM Boot primitives, 2–3, 6–12 copying contents, 2–2 to 2–3, Boot specifications, 2–3 6–18 Bus bar, 4–2 saving after installation, 6–18 installation, 4–6 to 4–8 saving before installation, 2–2 saving parameters, 6–18...
  • Page 79 VAX 6000 Model 200, 300, or 400 Removal of old modules, 2–8 without +3.3V power, 1–3 Return of old modules, 2–10 VAX 6000 Model 300 or 400 with +3.3V power, 1–3 VAX 6000 Model 500, 1–3 SAVE EEPROM command, 2–2 to 2–3 Self-test Index–2...
  • Page 80 VAX Diagnostic Supervisor, 6–10 to Verification, 6–1 to 6–21 6–15 VAX number plate upgrade, 6–21 Vector processor XMI configuration rules, A–2 to configuration rules, A–4 to A–5 A–5 diagnostics, 6–14 to 6–15 with H9657-CX upgrade, 4–4 Index–3...

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