Digital Equipment VAXft Systems 810 Operating and installation instructions

VAXftSystems
Model810
ServiceInformation
Order Number: EK-VXFTA-SI.A01
June 1993
This manual is intended for use by trained personnel responsible for
maintaining VAXft Model 810 systems.
Digital Equipment Corporation

June 1993
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.
No responsibility is assumed for the use or reliability of software on equipment that is not supplied
by Digital Equipment Corporation or its affiliated companies.
Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to restrictions
as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software
clause at DFARS 252.227-7013.
© Digital Equipment Corporation June 1993.
All Rights Reserved.
Printed in Canada
The following are trademarks of Digital Equipment Corporation: CompacTape, OpenVMS, ThinWire,
TK, UETP, VAX, VAXft, VMS, VAXELN, and the DIGITAL logo.
FCC NOTICE: This equipment generates, uses, and may emit radio frequency energy. It has been
tested and found to comply with the limits for a Class A computing device pursuant to Subpart J
of Part 15 of FCC rules of operation in a commercial environment. This equipment, when operated
in a residential area, may cause interference to radio/TV communications. In such event the user
(owner), at his own expense, may be required to take corrective measures.
This document is available on CDROM.

Documentation Map
Overview
Information
(VAXft Systems)
Software
Information
(VAXft System Services)
Operating System
(VMS)
Hardware
Information
(VAXft Systems)
Manager’s
Guide
MR−6230−RA
Reference
Manual
Software Product
Description
Owner’s Manual
Site Prep and
Installation Guide
Service
Installation
Information
Information
Models Model
110, 410, 610, 612 810
Bookreader
Online
Book Tape
Network
Device Drivers
=
=
Before You
=
Install Letter
=
Maintenance
Guide
Operating
Information
Release Notes
VMS Upgrade and
Installation Manual
VMS Upgrade and
Installation Supplement:
VAXft Systems
VMS Volume
Shadowing Manual
Cover
Letter
Using Factory−Installed
Software with
VAXft Systems
= Letter
= Order Separately
*
*
*
VAX Wide Area
Configuration
Guide
*
Release Notes
Online Help
*
the Model 810
Configuring
Site Prep
Information
*

Contents
1 Cabinet and Component Descriptions
1.1 In This Chapter ............................................. 1–1
1.2 CPU and Expansion Cabinets . . ................................ 1–1
1.3 Zone Control Panel . . ........................................ 1–6
1.4 Power Modules .............................................. 1–8
1.5 Domestic and International Power Distribution Boxes. ............... 1–9
2 Console Operations
2.1 In This Chapter ............................................. 2–1
2.2 Console Description . . ........................................ 2–1
2.3 Console Operating Modes...................................... 2–3
2.3.1 Entering CIO Mode ....................................... 2–4
2.3.2 Exiting CIO Mode ........................................ 2–4
2.4 Console Control Characters .................................... 2–5
2.5 Console Command Language Syntax ............................. 2–6
2.6 Bootstrap Procedures . ........................................ 2–7
2.7 Entering CIO Mode . . ........................................ 2–8
2.8 CIO Mode Console Commands . . ................................ 2–9
2.8.1 BOOT . ................................................ 2–9
2.8.2 CLEAR. ................................................ 2–10
2.8.3 CONTINUE ............................................ 2–11
2.8.4 DEPOSIT .............................................. 2–11
2.8.5 DUP................................................... 2–13
2.8.6 EXAMINE .............................................. 2–13
2.8.7 FIND . ................................................ 2–15
2.8.8 HELP . . ................................................ 2–15
2.8.9 INITIALIZE ............................................. 2–16
2.8.10 MOVE . ................................................ 2–16
2.8.11 MATCH_ZONES . ........................................ 2–16
2.8.12 REPEAT ............................................... 2–17
2.8.13 SET ................................................... 2–17
2.8.13.1 SET BOOT . . . ........................................ 2–18
2.8.14 SHOW . ................................................ 2–18
2.8.15 START ................................................ 2–19
2.8.16 TEST . ................................................ 2–20
2.8.17 X(transfer) .............................................. 2–21
2.8.18 Z ..................................................... 2–22
2.8.19 !(comment) .............................................. 2–22
v

3 System Maintenance
3.1 In This Chapter . ............................................ 3–1
3.2 Maintenance Strategy ........................................ 3–1
3.3 Operating Rules and Cautions .................................. 3–2
3.4 General Troubleshooting Procedure . . ............................ 3–4
3.5 Module Fault LEDs .......................................... 3–6
3.6 Power System Overview . . . .................................... 3–7
3.7 Power System Maintenance .................................... 3–12
3.8 Device Status and Fault Indicators . . ............................ 3–19
3.8.1 RF35 Disk Drawer ........................................ 3–19
3.8.2 SF35 Storage Array . . . .................................... 3–21
3.8.3 SF73 Storage Array . . . .................................... 3–24
3.8.4 TF85C Tape Drive ........................................ 3–26
3.8.5 TF857 Tape Loader . . . .................................... 3–27
3.8.5.1 Power-On Process . .................................... 3–27
3.8.5.2 Operator Control Panel Controls and Indicators . . . ........... 3–27
3.9 ROM-Based Diagnostics . . . .................................... 3–29
3.9.1 TEST ................................................. 3–30
3.9.2 Z ..................................................... 3–31
3.9.3 CPU ROM-Based Diagnostics . . . ............................ 3–31
3.9.4 I/O ROM-Based Diagnostics ................................. 3–34
4 Error Handling and Analysis
4.1 In This Chapter . ............................................ 4–1
4.2 Error Handling Services Overview . . . ............................ 4–1
4.2.1 Basic Error Isolation and Handling ........................... 4–2
4.2.2 EHS Structure ........................................... 4–3
4.2.3 System Operating Modes ................................... 4–4
4.2.4 Error Types . ............................................ 4–5
4.2.5 VAXELN Error Handling ................................... 4–10
4.3 Field Replaceable Units (FRUs) ................................. 4–12
4.3.1 Isolation ................................................ 4–12
4.3.2 Deconfiguration .......................................... 4–13
4.3.2.1 I/O Attachment Module ................................. 4–13
4.3.2.2 CPU Module and Memory . . . ............................ 4–14
4.3.2.3 I/O Expansion Module .................................. 4–14
4.3.2.4 Interface Module . . .................................... 4–15
4.3.2.5 Zone ................................................ 4–16
4.3.2.6 Cross-Link Cable . . .................................... 4–16
4.3.3 Application of Thresholds................................... 4–17
4.4 OpenVMS Error Log ......................................... 4–19
4.4.1 Fault Summary .......................................... 4–20
4.4.2 FRU Information ......................................... 4–22
4.4.3 Deconfiguration Information ................................ 4–24
4.4.4 Threshold Information . .................................... 4–26
4.4.5 Fault Data . . ............................................ 4–27
4.4.5.1 System Registers . . .................................... 4–27
4.4.5.2 End Actions .......................................... 4–28
4.4.5.3 End Action Timeouts ................................... 4–29
4.4.5.4 VAXELN Detected Errors................................ 4–30
4.4.5.5 Software Detected Errors ................................ 4–34
4.4.5.6 Unsynchable Events.................................... 4–36
4.5 Module NVRAM Status and LED Indicators ....................... 4–38
vi

4.6 FTSS Event Reporting Interface ................................ 4–40
4.6.1 Event Reporting Interface Routines ........................... 4–40
4.6.2 Error Event Messages ..................................... 4–40
4.6.2.1 Deconfiguration Messages ............................... 4–49
4.7 Firmware Interfaces. . ........................................ 4–50
4.7.1 System Console and Diagnostics ............................. 4–50
4.7.1.1 System Resets ........................................ 4–51
4.7.1.2 CCA Fields . . . ........................................ 4–53
4.7.2 I/O Expansion Module Console and Diagnostics. . . ............... 4–53
4.8 Firmware and OpenVMS Interface Data Structures . . ............... 4–54
4.8.1 Console Communications Area ............................... 4–55
4.8.1.1 Duplex Compatibility Test ............................... 4–57
4.8.1.2 Dispatch Block Description .............................. 4–59
4.8.1.3 Boot Parameter Block Description . . ....................... 4–60
4.8.2 Device Configuration Block . ................................ 4–61
4.8.2.1 Sub-Device Configuration Blocks . . . ....................... 4–63
4.8.2.2 CPU Module SubDCB . . ................................ 4–64
4.8.3 Page Frame Number Bitmap ................................ 4–65
4.9 Error Log Analysis . . . ........................................ 4–66
4.9.1 CPU/MEM Fault Error Log Entry ............................ 4–66
4.9.2 CPU/MEM Fault End Action Error Log Entry ................... 4–69
4.9.3 CPU or Zone Unsynchable Error Log Entry ..................... 4–72
5 FRU Removal and Replacement Procedures
5.1 In This Chapter ............................................. 5–1
5.2 Field Replaceable Unit List .................................... 5–1
5.3 Before You Begin ............................................ 5–3
5.3.1 Handling FRUs . . ........................................ 5–4
5.3.2 Shutting Down a Zone ..................................... 5–4
5.3.3 Verifying Zone Shutdown . . . ................................ 5–5
5.3.4 Starting Up a Zone ....................................... 5–5
5.3.5 Accessing the FRUs ....................................... 5–5
5.4 FRU Removal and Replacement. ................................ 5–6
5.4.1 CPU and ATM Modules .................................... 5–7
5.4.2 SIMMs . ................................................ 5–8
5.4.3 MMBs . ................................................ 5–9
5.4.4 Fan and FCSB . . . ........................................ 5–10
5.4.5 RF35 Disk Drive Removal and Replacement .................... 5–12
5.4.6 DSSI Disk Drawer ........................................ 5–14
5.4.7 Zone Control Panel ....................................... 5–14
5.4.8 FEU, 3.3V Regulator, 5V Regulator, PSC Modules . ............... 5–16
5.4.9 Cross-Link Assembly ...................................... 5–18
5.4.10 Console Extender Module. . . ................................ 5–20
5.4.11 DSSI Extender Module .................................... 5–22
5.4.12 CAMP Module . . . ........................................ 5–24
5.4.13 DSSI Interface Module (DIM) ............................... 5–26
5.4.14 Ethernet Interface Module (EIM) ............................. 5–28
5.4.15 DSSI Cable Removal and Replacement . ....................... 5–29
5.4.16 TF85C-BA Tape Drive ..................................... 5–30
5.4.17 SF73 Disk Drive. . ........................................ 5–32
5.4.18 SF35 Storage Array ....................................... 5–36
5.4.19 TF857-CA Tape Drive ..................................... 5–39
5.4.20 Power Distribution Box .................................... 5–42
vii

6 Managing Integrated Storage Elements
6.1 In This Chapter . ............................................ 6–1
6.2 Loading the DUP Driver . . .................................... 6–1
6.3 Using VMS DUP ............................................ 6–1
6.4 Using the Server Setup Switch ................................. 6–2
6.5 Assigning DSSI Unit Numbers ................................. 6–2
6.6 Warm Swapping an ISE . . .................................... 6–3
6.6.1 Setting ISE Parameters .................................... 6–5
6.6.2 ISE Removal ............................................ 6–7
6.6.3 ISE Replacement ......................................... 6–8
6.6.4 Installing an ISE in a Running System ........................ 6–11
A Miscellaneous System Information
A.1 In This Appendix ............................................ A–1
A.2 Processor Halt Codes ......................................... A–1
A.3 Console Halt Codes .......................................... A–3
A.4 Error Register Descriptions .................................... A–4
A.4.1 System Fault (SYSFLT) Register . ............................ A–4
A.4.2 System Error Address (SYSADR) Register . . . ................... A–7
A.4.3 DMA Error Address (DMAADR) Register . . . ................... A–7
A.4.4 Reset Reason 0013 Fault Analysis ............................ A–8
A.5 I/O Physical Address Space .................................... A–8
A.6 System Control Block Description . . . ............................ A–10
B ISE Parameter Worksheets
B.1 In This Appendix ............................................ B–1
B.2 Individual ISE Parameter Worksheets ............................ B–1
B.3 ISE Zone Parameter Worksheets ................................ B–3
Index
Examples
2–1 Indirect Addressing . . . .................................... 2–12
5–1 How to Shut Down a Zone .................................. 5–5
5–2 How to Verify Zone Shutdown . . . ............................ 5–5
Figures
1–1 Cabinet Layout, Front View ................................. 1–2
1–2 Cabinet Layout, Rear View ................................. 1–4
1–3 Zone Control Panel . . . .................................... 1–6
1–4 Power Module Controls and Indicators ........................ 1–8
1–5 Domestic Power Distribution Box ............................ 1–10
1–6 International Power Distribution Box ......................... 1–11
2–1 System Components . . . .................................... 2–2
2–2 Console Operating Modes................................... 2–4
2–3 Boot Procedure ........................................... 2–7
viii

3–1 Module Fault LEDs ....................................... 3–6
3–2 Power System Block Diagram (1 of 2) . . ....................... 3–8
3–3 Power System Block Diagram (2 of 2) . . ....................... 3–9
3–4 Power Module Controls and Indicators . ....................... 3–13
3–5 RF35 Disk Drawer Controls and Indicators ..................... 3–20
3–6 SF35 Operator Control Panel ................................ 3–21
3–7 SF35 Rear Panel Fault Indicator ............................. 3–23
3–8 Location of SF73 Storage Array LEDs and Switchpacks ........... 3–24
3–9 Rear of the SF73 Storage Array .............................. 3–25
3–10 TF85C Cartridge Tape Drive ................................ 3–26
3–11 TF857 Operator Control Panel ............................... 3–28
4–1 Hardware Error Handling Flowchart . . . ....................... 4–2
4–2 EHS Architectural Position . ................................ 4–4
4–3 OpenVMS Error Log Format ................................ 4–19
4–4 Fault Summary Block ..................................... 4–20
4–5 FRU Information Block .................................... 4–22
4–6 Deconfiguration Information Block ........................... 4–24
4–7 Threshold Information Block ................................ 4–26
4–8 Fault Data Block . ........................................ 4–27
4–9 End Action Timeout Block . . ................................ 4–30
4–10 VAXELN Detected Error Block .............................. 4–30
4–11 Software Detected Error Block ............................... 4–35
4–12 Unsynchable Event Block . . ................................ 4–37
4–13 Firmware and OpenVMS Data Structure Memory Map ............ 4–54
4–14 Dispatch Block Structure . . . ................................ 4–59
4–15 SubDCB Links to DCB..................................... 4–64
5–1 Latches ................................................ 5–6
5–2 CPU Module and ATM Module Locations ...................... 5–7
5–3 SIMM Locations . . ........................................ 5–8
5–4 MMB Locations . . ........................................ 5–9
5–5 Fan Location ............................................ 5–10
5–6 FCSB Location . . . ........................................ 5–11
5–7 RF35 Disk Drive Location . . ................................ 5–12
5–8 Zone Control Panel ....................................... 5–15
5–9 FEU, 3.3V Regulator, 5V Regulator, and PSC Locations ........... 5–16
5–10 Cross-Link Assembly ...................................... 5–18
5–11 Module Extraction Tool .................................... 5–19
5–12 Console Extender Module Location ........................... 5–20
5–13 Console Extender Module Layout............................. 5–21
5–14 DSSI Extender Module Locations ............................ 5–22
5–15 CAMP Module Locations . . . ................................ 5–24
5–16 DIM Location ............................................ 5–26
5–17 DIM Removal ............................................ 5–27
5–18 EIM Removal ............................................ 5–28
5–19 TF85C-BA Tape Drive, Rear View ............................ 5–30
5–20 TF85C-BA Tape Drive Removal .............................. 5–31
5–21 SF73 Disk Drive, Rear View ................................ 5–32
ix

5–22 SF73 Disk Drive, Front View ................................ 5–33
5–23 SF73 Disk Drive Enclosure Removal .......................... 5–34
5–24 SF73 Disk ISE Removal .................................... 5–35
5–25 SF35 Storage Array, Rear View . . ............................ 5–36
5–26 SF35 Storage Array, Front View . ............................ 5–37
5–27 SF35 Disk ISE Removal .................................... 5–38
5–28 TF857-CA Tape Drive, Rear View ............................ 5–39
5–29 Loosening the Shipping Restraint Screw ....................... 5–40
5–30 Setting the TF857 Tape Loader Node ID ....................... 5–41
5–31 Domestic Power Distribution Box ............................ 5–42
5–32 International Power Distribution Box ......................... 5–43
6–1 VAXft Model 810 Front View ................................ 6–3
6–2 VAXft Model 810 Rear View ................................. 6–4
A–1 System Fault Register . .................................... A–4
A–2 JXD System Error Address Register .......................... A–7
A–3 JXD DMA Error Address Register ............................ A–7
A–4 I/O Physical Address Space ................................. A–9
A–5 System Control Block Base Register .......................... A–10
A–6 System Control Block Vector Format .......................... A–10
Tables
1–1 Key to Figure 1–1, Cabinet Layout, Front View .................. 1–3
1–2 Key to Figure 1–2, Cabinet Layout, Rear View .................. 1–5
1–3 Key to Figure 1–3, Zone Control Panel ........................ 1–7
1–4 Key to Figure 1–4, Power Module Controls and Indicators ......... 1–9
1–5 Key to Figure 1–5, Domestic Power Distribution Box . . ........... 1–10
1–6 Key to Figure 1–6, International Power Distribution Box .......... 1–11
2–1 Key to Figure 2–1, System Components........................ 2–2
2–2 Function of the Console Components .......................... 2–3
2–3 Console Control Characters and Function Keys .................. 2–5
2–4 Console Command Language Syntax .......................... 2–6
2–5 Qualifiers for BOOT . . . .................................... 2–9
2–6 VMB Program /R5:<flag> Values . ............................ 2–10
2–7 Qualifier for CLEAR . . .................................... 2–10
2–8 Qualifiers for DEPOSIT .................................... 2–11
2–9 Address-Spec Symbolic Addresses ............................ 2–12
2–10 Qualifiers for DUP ........................................ 2–13
2–11 Qualifiers for EXAMINE ................................... 2–14
2–12 Address-Spec Symbolic Addresses ............................ 2–14
2–13 Qualifiers for FIND . . . .................................... 2–15
2–14 INITIALIZE Steps ........................................ 2–16
2–15 SET Variables and Values .................................. 2–17
2–16 SHOW Variables ......................................... 2–18
2–17 Qualifiers for TEST Selection................................ 2–20
2–18 Qualifiers for TEST Control................................. 2–21
2–19 Qualifier for Z ........................................... 2–22
x

3–1 Before Stopping a Zone .................................... 3–2
3–2 After a Zone is Repaired . . . ................................ 3–2
3–3 Before Leaving the Site .................................... 3–3
3–4 Cautions................................................ 3–4
3–5 General Troubleshooting Procedure ........................... 3–4
3–6 Key to Figure 3–1, Module Fault LEDs . ....................... 3–7
3–7 Power System Functional Summary . . . ....................... 3–10
3–8 System DC Voltage Summary ............................... 3–12
3–9 Key to Figure 3–4, Power Module Controls and Indicators . . ....... 3–13
3–10 Fan, LDC, Temperature Error Codes . . . ....................... 3–15
3–11 FEU Error Codes . ........................................ 3–16
3–12 PSC Error Codes . ........................................ 3–16
3–13 12 V DC to DC Converter Error Codes . ....................... 3–18
3–14 2 V DC to DC Converter Error Codes . . ....................... 3–18
3–15 3 V DC to DC Converter Error Codes . . ....................... 3–19
3–16 5 V DC to DC Converter Error Codes . . ....................... 3–19
3–17 12 V DC to DC Converter Error Codes . ....................... 3–19
3–18 RF35 Disk Drawer Controls and Indicators ..................... 3–20
3–19 SF35 Operator Control Panel Description ...................... 3–22
3–20 SF35 Rear Panel Controls and Indicator ....................... 3–23
3–21 SF73 Front Panel Controls and Indicators ...................... 3–24
3–22 TF85C Tape Drive Problems ................................ 3–26
3–23 TF85C Cartridge Tape Drive Indicators . ....................... 3–27
3–24 TF857 OCP Controls and Indicators . . . ....................... 3–28
3–25 Qualifiers for TEST Selection................................ 3–30
3–26 Qualifiers for TEST Control . ................................ 3–30
3–27 Qualifier for Z . . . ........................................ 3–31
3–28 CPU ROM-Based Diagnostic Descriptions ...................... 3–31
3–29 I/O ROM-Based Diagnostic Descriptions ....................... 3–34
4–1 EHS Error Notification .................................... 4–2
4–2 Error Handling Flowchart Definitions . . ....................... 4–3
4–3 System Operating Modes . . . ................................ 4–4
4–4 Error Types ............................................. 4–5
4–5 VAXELN Error Classes .................................... 4–11
4–6 System FRUs ............................................ 4–12
4–7 ATM Deconfiguration Actions................................ 4–13
4–8 CPU Deconfiguration Actions ................................ 4–14
4–9 I/O Expansion Module Deconfiguration Actions . . . ............... 4–15
4–10 Interface Module Deconfiguration Actions ...................... 4–15
4–11 Zone Deconfiguration Actions ................................ 4–16
4–12 Cross-Link Cable Deconfiguration Actions ...................... 4–16
4–13 FRU Thresholds . . ........................................ 4–17
4–14 OpenVMS Error Log Sizes . . ................................ 4–19
4–15 Fault Summary Block Entry Descriptions ...................... 4–20
4–16 FRU Information Block Entry Descriptions ..................... 4–23
4–17 Deconfiguration Information Block Entry Descriptions ............ 4–24
4–18 Threshold Information Block Entry Descriptions . . ............... 4–26
xi

4–19 System Register Entry Descriptions........................... 4–28
4–20 End Actions Register Descriptions ............................ 4–29
4–21 End Action Timeout Block Entry Description ................... 4–30
4–22 VAXELN Detected Error Block Entry Descriptions ............... 4–30
4–23 Software Detected Error Block Entry Descriptions ............... 4–35
4–24 Unsynchable Event Block Entry Descriptions ................... 4–37
4–25 Module ID NVRAM/DCB Status Codes ........................ 4–39
4–26 System Reset Action Codes ................................. 4–51
4–27 System Reset Reason Codes ................................. 4–52
4–28 Error Handler Reset Reasons................................ 4–52
4–29 I/O Reset Action Code Description ............................ 4–54
4–30 I/O Reset Reason Code Descriptions .......................... 4–54
4–31 CCA Component Descriptions . . . ............................ 4–55
4–32 Duplex Compatibility Test Failure Codes ....................... 4–58
4–33 Dispatch Block Components ................................. 4–60
4–34 BPB Components ......................................... 4–60
4–35 BPB Entry Components .................................... 4–61
4–36 DCB Components ......................................... 4–61
4–37 DCB Entry Components .................................... 4–61
4–38 CPU SubDCB Components ................................. 4–65
4–39 CPU SubDCB Entry Components ............................ 4–65
5–1 Model 810 FRUs ......................................... 5–1
5–2 Handling FRUs .......................................... 5–4
5–3 CPU Module and ATM Module Removal Procedure ............... 5–7
5–4 SIMM Removal Procedure .................................. 5–8
5–5 MMB Removal Procedure................................... 5–9
5–6 Fan and FCSB Removal Procedure ........................... 5–11
5–7 RF35 Disk Drive Removal Procedure .......................... 5–13
5–8 DSSI Disk Drawer Removal Procedure ........................ 5–14
5–9 Zone Control Panel Removal Procedure ........................ 5–15
5–10 FEU, 3.3V Regulator, 5V Regulator, and PSC Removal Procedure . . . . 5–17
5–11 Cross-Link Assembly Removal Procedure . . . ................... 5–19
5–12 Console Extender Module Removal Procedure ................... 5–21
5–13 DSSI Extender Module Removal Procedure . . ................... 5–23
5–14 CAMP Module Removal Procedure ........................... 5–25
5–15 DIM Removal Procedure ................................... 5–27
5–16 EIM Removal Procedure ................................... 5–29
5–17 DSSI Cable Removal Procedure . . ............................ 5–29
5–18 TF85C-BA Tape Drive Removal Procedure. . . ................... 5–31
5–19 SF73 Disk Drive Enclosure Removal Procedure .................. 5–33
5–20 SF35 Storage Array Removal Procedure ....................... 5–38
5–21 TF857-CA Tape Drive Removal Procedure . . . ................... 5–40
5–22 Power Distribution Box Removal Procedure. . ................... 5–43
6–1 PARAMS Commands . . .................................... 6–2
6–2 Switches For Disabling the MSCP ............................ 6–2
6–3 ISE Parameters .......................................... 6–5
6–4 Disabling the MSCP. . . .................................... 6–9
xii

6–5 Disabling the MSCP....................................... 6–11
A–1 Processor Halt Code Definitions .............................. A–1
A–2 Processor Halt Reason Code Definitions. ....................... A–2
A–3 Console Halt Reason Code Definitions . . ....................... A–3
A–4 Xlink Mode Coding........................................ A–4
A–5 Code Field Definition ...................................... A–10
A–6 SCB Layout ............................................. A–11
xiii

1
Cabinet and Component Descriptions
1.1 In This Chapter
This chapter includes descriptions of the:
• CPU and expansion cabinets
• Zone control panel
• Power modules
• Domestic power distribution box
• International power distribution box
1.2 CPU and Expansion Cabinets
Figure 1–1 shows the front layout of an expanded system. Table 1–1 describes
the components shown in Figure 1–1. Figure 1–2 shows the rear layout of an
expanded system. Table 1–2 describes the components shown in Figure 1–2.
Cabinet and Component Descriptions 1–1

Figure 1–1 Cabinet Layout, Front View
10
11 12
3
45 8
6
7
10
1010
21
1
2
CPU CabinetExpansion Cabinet
Front
MR−0406−92RAGS
9
15 16
1010
13
14
1–2 Cabinet and Component Descriptions

Table 1–1 Key to Figure 1–1, Cabinet Layout, Front View
Item Component Description
1 Zone A Complete computer with enough elements to run an
operating system.
2 Zone B Complete computer with enough elements to run an
operating system.
3 Fan assembly Cooling device.
4 Disk drawer Optional SF35 disk drive(s).
System Module Card Cage
5 Slot 0 - CPU module Logic chips and memory.
6 Slot 1 - ATM module I/O logic supporting up to eight interface adapter cards.
7 Slot 2 - Not used For future expansion.
8 Zone control panel Zone controls and indicators.
9 Blank panel Not used.
10 Disk device Location for disk device.
11 Disk/tape device Location for disk or tape device.
12 Disk/tape/tape loader Location for disk, tape, or tape loader device.
13 Power distribution box A AC power source for Zone A.
14 Power distribution box B AC power source for Zone B.
15 UPS A Optional uninterruptible power supply for Zone A.
16 UPS B Optional uninterruptible power supply for Zone B.
Cabinet and Component Descriptions 1–3

Figure 1–2 Cabinet Layout, Rear View
19
Expansion Cabinet
19
21
19
20
1919
3
6 8 9 10
13 14 16 17
18
15
Rear
19
21
1
2
CPU Cabinet
24 25
MR−0407−92RAGS
Expansion Cabinet Option
22
23
5
7
4
1112
1–4 Cabinet and Component Descriptions

Table 1–2 Key to Figure 1–2, Cabinet Layout, Rear View
Item Component Description
1 Zone A Complete computer with enough elements to run an
operating system.
2 Zone B Complete computer with enough elements to run an
operating system.
3 Fan assembly Cooling device.
4 Blank panel Not used.
5 Front End Unit (FEU) AC input circuit breaker.
6 FEU Converts ac power to 48 Vdc.
7 FEU AC input connector.
8 Regulator Provides +3.3 Vdc at 30 A, +12 Vdc at 12.5 A, and
bias.
9 Regulator Provides +5 Vdc at 90 A.
10 Power system controller Provides interface signals to the ATM module.
Miscellaneous Module Card Cage
11 Blank panel Not used.
12 Slot 0 - Not used For future expansion.
13 Slot 1 - Cross-link assembly Connects Zone A and Zone B.
14 Slot 2 - Console module Module with console port.
15 Slot 3 - Not used Factory test module.
16 Slot 4 - Disk In/Disk Out module Permits zone interconnections to access all
configured disks.
17 Slot 5 - CAMP module Provides custom power control circuits.
Interface Module Card Cage
18 Slots 10 to 17 DSSI and NI interface modules.
Slots 20 to 27 For future expansion.
19 Disk device Location for disk device.
20 Disk/tape/tape loader Location for disk, tape, or tape loader device.
21 Disk/tape device Location for disk or tape device.
22 Power distribution box A AC power source for Zone A.
23 Power distribution box B AC power source for Zone B.
24 UPS A Optional uninterruptible power supply for Zone A.
25 UPS B Optional uninterruptible power supply for Zone B.
Cabinet and Component Descriptions 1–5

1.3 Zone Control Panel
Figure 1–3 shows the layout of the zone control panel. Table 1–3 describes the
functions of the zone control panel controls and indicators.
Figure 1–3 Zone Control Panel
MR−0514−92RAGS
9
10
1
2
3
4
5
6
7
1
8
1–6 Cabinet and Component Descriptions