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Digital Equipment VAXstation 3100 Maintenance Manual

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VAXstation 3100 Maintenance
Guide Addendum
Models 38 & 48
Order Number EK-344AA-AD-001
digital equipment corporation
maynard, massachusetts

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  • Page 1 VAXstation 3100 Maintenance Guide Addendum Models 38 & 48 Order Number EK-344AA-AD-001 digital equipment corporation maynard, massachusetts...
  • Page 2 First Edition, September 1989 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document.

  • Page 3: Table Of Contents

    Contents About This Guide Testing Running Power-Up Tests ......1.1.1 Power-Up Test Codes ......Running a Self-Test .
  • Page 4 Contents VAXstation 3100 (Model 38) System System Contents ....... . .
  • Page 5 Figures 4–1 VAXstation 3100 Model 38 System Box ....4–2 FRU Locations ........
  • Page 6 Contents 4–18 Installing the System Module ..... . . 4–19 Battery Cable Location ......4–20 Power Supply Screw Locations .

  • Page 7: About This Guide

    About This Guide This guide describes how to troubleshoot, adjust, and repair the VAXstation 3100 models 38 & 48 to the field replaceable unit (FRU) level. It covers all FRU options presently available for the VAXstation 3100 model 38 (WS42A-xx) and 48 (WS42B-xx) systems. The label on the rear of the system box indicates the system you are working on (WS42A-xx or WS42B-xx).

  • Page 8: Intended Audience

    Intended Audience This document is for Digital Customer Service personnel and self- maintenance customers only. Tools and Equipment You need the following tools to service the VAXstation 3100 models 38 & 48 systems: Tools and Equipment Part Number Wrist strap and antistatic mat (included in Field...
  • Page 9 RX23 Diskette Drive Service Manual EK-RX23D-SV RZ55 Disk Drive Service Manual EK-RZ55D-SV RZ56 Disk Drive Service Manual EK-RZ56D-SV VAXstation 3100 Owner’s Manual EK-MOD30-OM Digital personnel may order the documents in Table 1 from: Digital Equipment Corporation 444 Whitney Street Northboro, MA 01532...

  • Page 10: Testing

    This chapter is an overview of the testing procedures for the VAXstation 3100 model 38 and 48 systems. Since the testing procedures for the VAXstation 3100 models 38 and 48 are similar to the testing procedures for the VAXstation 3100 models, this chapter will not repeat the information described in Chapter 1 of the VAXstation 3100 Maintenance Guide.

  • Page 11: Running Power-Up Tests

    Testing 1.1 Running Power-Up Tests Power-up tests run each time you turn the system power on and, if the tests are successful, the operating system starts booting. Power-up testing consists of a sequence of tests executed for each device installed in the system.

  • Page 12: Power-Up And Self-Test Commands

    Testing Table 1–1 lists the test numbers and the devices that are tested during that particular test. To look at the status of a device, display the configuration table. >>> TEST 50 The configuration table lists every device in the system and also lists the results of the power-up tests and self-test.

  • Page 13: Configuration Table (T 50)

    Testing Table 1–1 (Cont.) Power-Up and Self-Test Commands Test Mnemonics Device Option module (not available) Option module (not available) Ethernet circuits Example 1–3 shows an example of the configuration table. >>> TEST 50 KA42-B V1.0 ID 08-00-2B-02-CF-A4 MONO 0000.0001 0000.0001 0000.0001 0000.0001 00000001 00000001 00000001 00000001 00000001 000012A0...

  • Page 14: Running A Self-Test

    Testing 1.2 Running a Self-Test Self-test allows you to test every device again after power-up tests are complete. Devices can be tested individually (except for drives), a few at a time, or all of them sequentially just like power-up tests. To individually test a device (drives are tested all together on their particular bus), enter the word (TEST) or just the letter (T), followed by a space and the test number of the device you want tested.

  • Page 15: Self-Test Codes

    (ECC). Refer to Chapter 3 of the VAXstation 3100 Models 38 and 48 Maintenance Guide if you need information on creating the special diagnostic keys on the diskette and tape.

  • Page 16: System Exerciser Diagnostic Commands

    Testing 1.3.1 System Exerciser Diagnostic Commands Table 1–2 lists the system exerciser diagnostic commands. When running TEST 0 or TEST 101, the exerciser automatically stops after about 5 minutes and the halt message (06 HLT INST) is displayed. This halt message is normal for these two tests.

  • Page 17: System Exerciser Codes

    Testing 1.3.2 System Exerciser Codes The system exerciser displays the status of the devices on the screen as the exerciser is running. Any errors found are displayed in the exerciser display. When examining the exerciser display, a question mark (?) in the far left column indicates a soft error, double question marks (??) indicate a hard error, and the absence of question marks usually indicates success.

  • Page 18: Troubleshooting

    Troubleshooting This chapter contains information for troubleshooting the new devices available on the VAXstation 3100 model 38 and 48 systems. The label on the back of the system box indicates which model you are working on. The WS42A-xx model number on the label identifies model 38 and the WS42B-xx model number identifies model 48 systems.
  • Page 19 Troubleshooting The diagnostics used to test the 8 Mbyte memory module tests all of the main memory in the system including the 4 megabytes on the system module. Therefore, any error for the memory must be deciphered to determine which module contains the error. There may be more than one module containing the error.

  • Page 20: Additional Mem Information

    Troubleshooting Table 2–1 MEM System Exerciser Error Codes Error Codes Definition 0XXX.0001 Success—no error. XXX = number of pages tested. 0001.000F Operating system error 0002.000F Operating system error 0003.000F Operating system error 0004.000F Operating system error 0005.000F Operating system error 0006.000F Operating system error 0007.000F...

  • Page 21: Mem Error Display In The Configuration Table

    Troubleshooting ?? MEM 0010.0020 01000000 00000003 System module error if not a zero (0) as shown in this example. Bit map representation of the failed memory bank on a memory module if not all zeros (0000000). Hexadecimal representation of the total amount of memory in the system as listed below.

  • Page 22: Rx23 Diskette Drive Troubleshooting

    Troubleshooting Table 2–2 (Cont.) Locating a Failed Memory Bank Memory Module Configurations 8-Digit Error Code for MEM 16 Mbyte module 4 and 8 Mbyte modules 8 and 12 Mbyte modules 4 and 16 Mbyte modules 12 and 16 Mbyte modules 2.3 RX23 Diskette Drive Troubleshooting The procedure for troubleshooting the RX23 diskette with the SCSI adapter module is the same as troubleshooting the other drives on the...

  • Page 23: Self-Test Results On The Scsi-A Bus

    Troubleshooting SCSI−A 2C2C.0001 FFFFFF05 FFFFFF05 00000001 00000001 FFFFFF05 00000001 FFFFFF03 ... offline offline RZ23 RZ23 offline RX23 SCSI−A drive drive drive controller Example 2–2 Self-Test Results on the SCSI-A Bus If a Self-Test Indicates an Error The error may be on the RX23 drive, on the other drives on the SCSI-A bus, or on the SCSI-A bus controller.

  • Page 24: Running The System Exerciser

    Troubleshooting 2.3.1 Running the System Exerciser The system exerciser performs a more thorough test of the RX23 diskette and the SCSI adapter module. It performs a read/write operation during the second pass of the exerciser when the special keyed diskette is loaded in the RX23 drive before starting the system exerciser.
  • Page 25 Troubleshooting If an Error is Detected If there are any question marks (?) on the SCSI controller’s status line, the SCSI controller is probably faulty and must be replaced. If there are any question marks on a drive’s status line, the problem could be in either the drive, the SCSI bus cabling, the SCSI bus terminator, or the SCSI controller.

  • Page 26: Utilities (T 74 And T 76)

    field service system exerciser to perform writes to the drive. Test 76 formats new diskettes for normal data storage. Table 3–1 lists all of the utilities available on the VAXstation 3100 models 38 and 48 systems. Refer to the VAXstation 3100 Maintenance Guide for a description of these other utilities.

  • Page 27: Diskette Formatter Utility

    Utilities (T 74 and T 76) Table 3–1 (Cont.) Utilities Test Number Utility Invoked T 74 Special key on diskettes for field service mode system exerciser T 75 SCSI disk data eraser T 76 Diskette formatter T 80† Circle-crosshatch (color and monochrome monitors) T 81†...

  • Page 28: Diskette Formatter Messages

    Utilities (T 74 and T 76) >>> TEST 76 ScsFlpFmtter PV_SCS_FMT_CHN (0=SCSIA \ 1=SCSIB)? 0 Enter SCSI bus. PV_SCS_FMT_ID (0,1,2,3,4,5,6,7)? 5 Enter SCSI ID of RX23. PV_SCS_FMT_RUsure (1/0)? 1 Enter a 1 for yes, 0 for no. PV_SCS_FMTing... Formatting diskette PV_SCS_FMT_CHKpass...

  • Page 29: T 76 Error Codes For The Diskette Formatter

    Utilities (T 74 and T 76) Table 3–2 (Cont.) Diskette Formatter Messages Formatter Message Explanation PV_SCS_FMTex The RX23 formatter has been aborted. PV_SCS_FMT_ERR# The formatter has been stopped because of the error code indicated by the pound sign (#). Table 3–3 lists the error codes. Table 3-3 lists all the T76 error codes and gives a description for each.

  • Page 30: Pv_Scs_Fmt_Err# Error Code Breakdown

    Utilities (T 74 and T 76) PV_SCS_FMT_ERR 2 03000006 Error code Always zeros Command code Example 3–2 PV_SCS_FMT_ERR# error code Breakdown Table 3–4 lists the command codes for the eight digit error code listed under the PV_SCS_FMT_ERR# error message. Table 3–4 PV_SCS_FMT_ERR# Command Codes Command Code Command Sent to Device Test Unit Ready...

  • Page 31: Pv_Scs_Fmt_Err# Error Codes

    Utilities (T 74 and T 76) Table 3–5 PV_SCS_FMT_ERR# Error Codes Error Code Description of Code Bad status returned by device Not enough sense data returned Bad sense key returned by device Too many retries of this command, failed after request_sense Attempt to select host No req was received within timeout period Entered the same phase twice...

  • Page 32: Special Diagnostic Key On Diskettes For Field Service System Exerciser

    Utilities (T 74 and T 76) Table 3–5 (Cont.) PV_SCS_FMT_ERR# Error Codes Error Code Description of Code Unexpected msg out phase Too many retries of this command, failed after bus_device_reset Timeout waiting for bus free after command (req is set) No interrupt request for the dma in phase SCD_CNT not zero following dma in phase No interrupt request for the dma out phase...

  • Page 33: Creating The Special Key On A Diskette

    Utilities (T 74 and T 76) >>> TEST 74 KA42 Flmker VSflmk_QUE_port (A,B) ? A Enter SCSI bus port. VSflmk_QUE_id (0,1,2,3,4,5,7) ? 5 Enter ID address of drive. VSflmk_QUE_RUsure (1/0) ? 1 Enter 1 for yes, 0 for no. VSflmk..ok Keyed successfully.

  • Page 34: Vaxstation 3100 (Model 38) System

    VAXstation 3100 (Model 38) System 4.1 System Contents The VAXstation 3100 model 38 (WS42A-xx) consists of the system box, monitor, mouse or tablet, and keyboard. The label on the back of the system box indicates which model you are working on. The WS42A-xx model number on the label identifies the VAXstation 3100 model 38...

  • Page 35: Vaxstation 3100 Model 38 System Box

    • VR260 monochrome monitor • VR262 monochrome monitor Figure 4–1 shows the VAXstation 3100 model 38 system box. E X T E R N A L N E T T h i n W i r e S C S I...

  • Page 36: Fru Removal And Replacement

    4.2 FRU Removal and Replacement This section describes the removal and replacement procedures for the FRUs in the VAXstation 3100 model 38 system. To use this section, find the name of the FRU that needs replacing in Table 4–1, then go to the section listed beside the FRU.

  • Page 37: Fru Locations

    VAXstation 3100 (Model 38) System Table 4–2 Monitors Monitor Document Title Order Number VR150 VR150 Pocket Service Guide EK-VR150-PS VR160 VR160 Pocket Service Guide EK-VR160-PS VR262 VR262 Pocket Service Guide EK-VR262-PS VR290 VR290 Service Guide EK-VR290-SV VR297 VR297 Service Guide...

  • Page 38: System Box Cover Removal

    VAXstation 3100 (Model 38) System 4.3 System Box Cover Removal To remove the system box cover: 1. Shut down the system software. 2. Turn the system power switch off. 3. Unscrew the two captive screws as shown in (Figure 4–3).

  • Page 39: Removing An Rz22/Rz23 Disk Drive

    VAXstation 3100 (Model 38) System 2. Disconnect the internal power cable, pn 17–02440–01, and the SCSI signal cable, pn 17–02439–01, from the back of the disk that is being removed (Figure 4–4). Remove SCSI Signal Cable Remove Internal Power Cable...

  • Page 40: Setting The Scsi Id On The Rz22

    VAXstation 3100 (Model 38) System 4. Simultaneously press down on the drive plate lever and slide the drive toward the lever until you can lift the drive from the plate. 5. Turn the drive over and locate the SCSI ID jumper settings E1, E2, E3, and E4 as shown in (Figure 4–5).

  • Page 41: Tz30 Tape Drive Removal

    VAXstation 3100 (Model 38) System 4.5 TZ30 Tape Drive Removal To remove a TZ30 tape drive: 1. Remove the system box cover (Section 4.3). 2. Disconnect the internal power cable, pn 17–02440–01, and the SCSI signal cable, pn 17–02439–01, from the back of the tape drive (Figure 4–6).

  • Page 42: Rx23 Diskette Drive Removal

    VAXstation 3100 (Model 38) System NOTE The TZ30 drive plate lever may have shipping material under it. If it does, remove the shipping material and discard it before performing the next step. 3. Simultaneously press down on the drive plate lever under the TZ30 and slide the drive toward the lever until you can lift the drive from the plate.

  • Page 43: Removing An Rx23 Diskette Drive

    VAXstation 3100 (Model 38) System 2. Disconnect the internal power cable, pn 17–02440–01, and the SCSI signal cable, pn 17–02439–01, from the back of the RX23 drive (Figure 4–8). SCSI Signal Cable Internal Power Cable RX23 Diskette Drive Drive Plate Lever...

  • Page 44: Rx23 Scsi Id Switch Location

    VAXstation 3100 (Model 38) System NOTE The RX23 drive plate lever may have shipping material under it. If it does, remove the shipping material and discard it before performing the next step. 3. Simultaneously press down on the drive plate lever under the RX23 and slide the drive toward the lever until you can lift the drive from the plate.

  • Page 45: Drive Plate Removal

    VAXstation 3100 (Model 38) System 4.7 Drive Plate Removal You do not have to remove any devices mounted on the drive plate to remove the drive plate from the system box. To remove the drive plate: 1. Remove the system box cover (Section 4.3).

  • Page 46: Removing The Drive Plate

    VAXstation 3100 (Model 38) System R emo ve Cab le R e m o v e Internal Power Cable Captive Screws (2) Power Supply Cable Captive Screws (3) Drive Plate Slide Mount Screws (3) Slide Mount Openings MLO-002905 M A - X 0 8 6 3 - 8 9 Figure 4–10...

  • Page 47: Msc Module Removal

    VAXstation 3100 (Model 38) System 4.8 MSC Module Removal To remove the MSC module: 1. Remove the system box cover (Section 4.3). 2. Disconnect three cables (Figure 4–11): • The cable, pn 17–02223–01, between the MSC module and the system module •...

  • Page 48: Removing The Msc Module

    VAXstation 3100 (Model 38) System M S C C a b l e SCSI Signal Cable SCSI Controller Connector SCSI Port A Connector External SCSI Port Connector S t an do ff s SCSI Port B Connector S t an do ff s...

  • Page 49: Graphics Coprocessor Module Removal

    VAXstation 3100 (Model 38) System 4.9 Graphics Coprocessor Module Removal To remove the graphics coprocessor module: 1. Remove the system box cover (Section 4.3). 2. Remove the drive plate (Section 4.7). 3. Remove the graphics coprocessor module from the four standoffs (Figure 4–12).

  • Page 50: Memory Module Removal

    VAXstation 3100 (Model 38) System 4.10 Memory Module Removal To remove a memory module: 1. Remove the system box cover (Section 4.3). 2. Remove the drive plate (Section 4.7). 3. Whether you have one or two memory modules, the removal procedure is the same.

  • Page 51: System Module Removal

    VAXstation 3100 (Model 38) System 4. If you have paired memory modules, remove the two E-clips and separate the 8- or 16-megabyte module from the 4- or 12-megabyte module below it (Figure 4–14). 8 or 16 Megabyte Memory Module "E" Clips (2)

  • Page 52: Removing The Msc Cable From The System Module

    VAXstation 3100 (Model 38) System M S C Ca bl e Connector Latch M SC C a b le System Module SCSI Connector System Module System Module SCSI Connector MLO-003308 M A - X 0 8 7 5 - 8 9 Figure 4–15...

  • Page 53: Removing The System Module

    VAXstation 3100 (Model 38) System Panhead Screws (5) Power Cable Panhead Screws (3) Locating Post Battery Cable Locating Post MLO-002916 M A - X 0 8 7 1 - 8 9 Figure 4–16 Removing the System Module 8. Remove the eight panhead screws from the system module as shown in (Figure 4–16).

  • Page 54: Removing The Ethernet Id Rom

    VAXstation 3100 (Model 38) System E t h e r n e t I D R O M K e y E t h e r n e t I D R O M MLO-002918 M A - X 0 8 7 2 - 8 9 Figure 4–17...

  • Page 55: Installing The System Module

    VAXstation 3100 (Model 38) System 3. Place the new system module in the system box making sure the connectors slide through the openings in the rear of the system box as shown in (Figure 4–18). Panhead Screws (5) Power Cable...

  • Page 56: Battery Pack Removal

    VAXstation 3100 (Model 38) System 4.12 Battery Pack Removal To remove a battery pack: 1. Remove the system box cover (Section 4.3). 2. Remove the drive plate (Section 4.7). 3. Disconnect the battery cable from the system module (Figure 4–19).

  • Page 57: Power Supply Removal

    VAXstation 3100 (Model 38) System 4.13 Power Supply Removal To remove a power supply: 1. Remove the system box cover (Section 4.3). 2. Remove the drive plate (Section 4.7). 3. Disconnect the power cable from the system module. 4. Unscrew the four screws (Figure 4–20).

  • Page 58: Keyboard Disconnection

    VAXstation 3100 (Model 38) System 4.14 Keyboard Disconnection CAUTION Do not remove or unplug the keyboard, the mouse or tablet device without turning the power off. Unplug the keyboard cable from the rear of the system box or from the monitor end of the video cable (Figure 4–21).

  • Page 59: Mouse And Tablet Disconnection

    VAXstation 3100 (Model 38) System 4.15 Mouse and Tablet Disconnection Disconnect the mouse or tablet from the back of the system box or from the monitor end of the video cable (Figure 4–21). NOTE The mouse and the tablet are single FRUs. Do not try to disassemble them.

  • Page 60: Vaxstation 3100 (Model 48) System

    VAXstation 3100 (Model 48) System 5.1 System Contents The VAXstation 3100 model 48 (WS42B-xx) consists of the system box, monitor, mouse or tablet, and keyboard. The label on the back of the system box indicates which model you are working on. The WS42A-xx model number on the label identifies the VAXstation 3100 model 38...

  • Page 61: Vaxstation Model 48 System Box

    • VR260 monochrome monitor • VR262 monochrome monitor Figure 5–1 shows the VAXstation 3100 model 48 system box. E X T E R N A L N E T T h i n W i r e S C S I...

  • Page 62: Fru Removal And Replacement

    The only new FRU in the model 48 system is a new system module. However, since this system module and all of the other FRUs are removed and installed the same way as the FRUs in the VAXstation 3100 model 48, all removal and replacement procedures for the VAXstation 3100 model 48 are covered in Chapter 5 of the VAXstation 3100 Maintenance Guide (VAXstation 3100 (Model 48) System).

  • Page 63: Rz56 Storage Expansion Box

    RZ56 Storage Expansion Box This chapter describes the RZ56 storage expansion box. The RZ56 disk drive is stored in the BA42 enclosure as shown in (Figure 6–1). M A - X 0 5 6 3 - 8 9 Figure 6–1 BA42 Enclosure with One or Two RZ56 Disk Drives For additional information on the RZ56 drive, refer to the RZ56 Disk Drive Service Manual (EK-RZ56D-SV).

  • Page 64: General Scsi Bus Configuration Information

    RZ56 Storage Expansion Box 6.1 General SCSI Bus Configuration Information The following is general information on the SCSI bus: • The external SCSI port on the back of the system box can be connected with one to six drives. However, system performance is slower when more than four drives are connected.

  • Page 65: Ba42 Enclosure Connection

    RZ56 Storage Expansion Box (Figure 6-2) shows how the BA42 storage expansion box connects to the system box. S CS I T E R MI N A T OR S YS T E M B OX M A - X 0 5 6 4 - 8 9 Figure 6–2 BA42 Enclosure Connection...

  • Page 66: Troubleshooting The Ba42 Enclosure

    RZ56 Storage Expansion Box (Figure 6-3) shows how the BA42 storage expansion box connects to the system box. SCSI TERM IN AT OR SYSTEM BO X M A - X 0 9 6 0 - 8 9 Figure 6–3 BA42 Enclosure Daisy-Chained 6.3 Troubleshooting the BA42 Enclosure To troubleshoot the RZ56 disk in the BA42 storage expansion box, use the self-test and system exerciser diagnostics in the system box.
  • Page 67 RZ56 Storage Expansion Box Code Description 00000001 Good results. There is no error for the drive located at the SCSI address ID. The SCSI ID is set by depressing the switches on the back of the storage expansion box (should be ID 0 and/or ID 1). FFFFFF03 This code is reserved for the SCSI bus controller and should never appear in the drive’s SCSI ID address.
  • Page 68 RZ56 Storage Expansion Box 3. Make sure the SCSI terminator is installed on the unused connector on the back of the expansion box or that the cable is secured to the next daisy-chained box. 4. Run the tests again. 5. If the problem returns, then disconnect the RZ56 storage expansion box from the daisy chain or from the external SCSI port if no other boxes are connected.

  • Page 69: Ba42 Enclosure Fru Removal And Replacement

    RZ56 Storage Expansion Box 14. If a problem still exists, then check the internal SCSI cable’s connector for damaged pins or cut wires. Check the external SCSI cable for damaged connector pins or cut wires. If the cables appear normal, then replace the MSC module in the system box.

  • Page 70: Rz56 Disk Drive Removal

    RZ56 Storage Expansion Box (Figure 6–4) shows the locations of the FRUs in the BA42 enclosure storage expansion box. PO W E R S UPP LY RZ 5 6 D IS K D RIV E S S CS I I D M OD UL E M A - X 0 5 6 7 - 8 9 A Figure 6–4...

  • Page 71: Ba42 Enclosure Cover Screws

    RZ56 Storage Expansion Box 2. Unscrew the two cover screws and remove the expansion box cover (Figure 6–5). C O VE R S C R EW S M A - X 0 5 6 8 - 8 9 Figure 6–5 BA42 Enclosure Cover Screws...

  • Page 72: Ba42 Enclosure Drive Mounting Screw

    RZ56 Storage Expansion Box 3. Unscrew the drive mounting screw on the drive you need to replace (Figure 6–6). P OW ER SUPPLY RZ 56 RZ 56 MOUN T I N G SC RE WS M A - X 0 9 6 1 - 8 9 Figure 6–6 BA42 Enclosure Drive Mounting Screw 4.

  • Page 73: Rz56 Mounting Bracket Screws

    RZ56 Storage Expansion Box 5. Remove the four mounting screws (Figure 6–7) and the mounting bracket from the drive. M A - X 0 5 7 0 - 8 9 Figure 6–7 RZ56 Mounting Bracket Screws...

  • Page 74: Ba42 Enclosure Drive Cables

    RZ56 Storage Expansion Box NOTE If you have already replaced the electronics module on the drive, stop here and replace the whole drive. Otherwise, replace the electronics module as described in Section 6.4.2. Reinstalling the RZ56 Drive To reinstall the RZ56 drive: 1.

  • Page 75: Removing The Drive's Electronics Module

    RZ56 Storage Expansion Box 3. Mount the drive in the drive’s mounting holes and secure by tightening the mounting screw (Figure 6–9). M O U N T H O L E S M O U NT HO LE S M A - X 0 9 6 3 - 8 9 Figure 6–9 BA42 Enclosure Drive Mounting Position 4.

  • Page 76: Rz56 Drive Bezel Removal

    RZ56 Storage Expansion Box L O C K I N G P I N S L E D F L E X C A B L E C O N N E C T O R F R A M E S L O T S B E Z E L C L I P S M A - X 0 9 6 4 - 8 9 Figure 6–10...

  • Page 77: Rz56 Drive Module Removal

    RZ56 Storage Expansion Box Removing the Drive Module To remove the drive module: 1. Remove the screws labeled , and (Figure 6–11). M A - X 0 9 6 5 - 8 9 Figure 6–11 RZ56 Drive Module Removal 2. Unplug the spindle motor connector at J5.

  • Page 78: Removing The Drive's Hda Assembly

    RZ56 Storage Expansion Box NOTE When setting the drive back on the work surface, put a support under the drive to protect the loose connectors. 3. Lift the drive module up and off of the drive. 4. Unplug the preamplifier cable connector at the drive module connector.

  • Page 79: Ba42 Enclosure Scsi Id Switchboard

    RZ56 Storage Expansion Box 6.4.4 BA42 Enclosure SCSI ID Switchboard The SCSI ID switchboard is on the inside back wall of the expansion box. It contains two switch packs. It connects to the smaller connectors on the RZ56 drives by a cable. Follow this procedure to remove the switchboard, and reverse the procedure to install it.

  • Page 80: Ba42 Enclosure Scsi Id Switch Setting

    RZ56 Storage Expansion Box 5. Set the switch settings on the new SCSI ID switchboard to the same position as on the old board you just removed. (Figure 6–13) shows the switch settings. SC SI SW IT CH ES M A - X 0 5 7 4 - 8 9 Figure 6–13 BA42 Enclosure SCSI ID Switch Setting The following table shows the SCSI address ID that each switch...

  • Page 81: Ba42 Enclosure Power Supply Removal

    RZ56 Storage Expansion Box BA42 Enclosure Storage Expansion Box Switch Address ID on Settings SCSI Bus Open Closed Closed Closed Open Open Closed Open Closed Closed Closed Open Closed Closed Closed Recommended address IDs for the second BA42 enclosure expansion box. Reserved address ID for SCSI bus controller.

  • Page 82: Ba42 Enclosure Power Supply Screws

    RZ56 Storage Expansion Box CA P T I V E S C RE W S SC R EWS (2 ) C AP TIVE S CR EW S M A - X 0 5 7 5 - 8 9 Figure 6–14 BA42 Enclosure Power Supply Screws 5.

  • Page 83: Recommended Spares List

    Recommended Spares List Part Number Description Quantity VAXstation 3100 models 38 and 48 FRUs (FRUs common to all models) 54-19356-01 VAXstation models 38 and 48 system module (KA42-BA) 54-19356-02 VAXstation models 30 and 40 system module (KA42-AA) 54-18287-AA 4 Mbyte memory module (MS42-AA)
  • Page 84 Recommended Spares List Part Number Description Quantity VAXstation 3100 model 38 FRUs (FRUs for model 38 systems only) H7821 Power supply 70-26724-01 RX23 with SCSI adapter assembly (RX23-AA) 17-02221-02 RX23 data cable (connects RX23 to SCSI adapter module) 17-02440-01 Internal power cable...
  • Page 85 Recommended Spares List Part Number Description Quantity 12-22196-01 Standard Ethernet loopback 12-25869-01 ThinWire Ethernet T-connector 12-26318-01 ThinWire Ethernet cable 50-ohm terminator 12-25083-01 MMJ loopback connector (H3103) 12-29635-01 68 pin external SCSI port terminator 12-30552-01 50 pin SCSI terminator (expansion box) 17-00811-03 BC16E-25 DECconnect office cable (25 feet) 17-00811-04...
  • Page 86 Recommended Spares List Part Number Description Quantity 17-00606-10 Power cord (USA) 29-27890- RZ56 HDA 01.A01 29-27889- RZ56 PCB 01.A01 TK50Z-GA Tape Expansion Box FRUs 54-19325-01 SCSI ID switch board 17-02299-01 SCSI ID switch cable 17-01247-02 Internal I/O cable (TK50 to TZK50) 17-01249-01 Internal data cable (TZK50 to external connector)
  • Page 87 Recommended Spares List Part Number Description Quantity 30-23507-03 RRD40 test disk 29-27338-01 RRD40 empty caddy 30-20515-01 TK50 blank media 30-25145-05 RX23 blank media 29-25995-00 Stylus 29-25996-00 Puck 29-25992-00 Mouse ball 29-25993-00 Mouse door A2-M1329-10 Color maintenance kit (two 75-ohm terminators 29-26899-00)
  • Page 88 Index Halt Button (cont’d.) Location, 26, 52 BA42 Enclosure Storage Expansion HDA Removal RZ56 disk drive, 69 FRU Removal and Replacement, Power Supply, 72 RZ56 Disk Drive, 61 Locating Failed Memory Bank, 11 SCSI ID Switch Board, 70 Loopback Connectors, 5 Diskette Formatter, 18 Memory modules Messages, 19...
  • Page 89 Diskette Formatter, 18 Special Key on Diskettes for F.S. SCSI Device System Exerciser, 23 SCSI-A System Exerciser Code, Self-test Error Codes, 6 VAXstation 3100 Model 38 Example Display, 5 Connectors, 26 Self-Test VAXstation 3100 model 48 Using Loopback Connectors, 5 Connectors, 52...

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