RA81 Disk Drive User Guide

Chapter 1 Introduction
- 1.1 Purpose and Scope
- 1.2 General Information
- 1.3 Drive Description
  - 1.3.1 Head Disk Assembly
  - 1.3.2 Internal Drive Diagnostics
  - 1.3.3 Multi-Drive and Dual-Port Capability
  - 1.3.4 Recording Features
  - 1.3.5 Media Format
- 1.4 Related Documentation
- 1.5 RA81 Specifications
- 1.6 RA81 Options
Chapter 2 Installation
- 2.1 Site Preparation and Planning
  - 2.1.1 Environmental Considerations
  - 2.1.2 Cleanliness
  - 2.1.3 Floor Loading
  - 2.1.4 Heat Dissipation
  - 2.1.5 Power and Safety Precautions
  - 2.1.6 AC Power Wiring
- 2.2 Equipment Unpacking and External Inspection
  - 2.2.1 Unpacking the System on a Shipping Pallet
  - 2.2.2 Installing the Cabinet Levelers
  - 2.2.3 Removing Internal Shipping Brackets and Packing Material
- 2.3 RA81 Installation
  - 2.3.1 Connecting Cabinets
  - 2.3.2 External SDI Cabling Procedure
- 2.4 RA81 Add-On Installation
  - 2.4.1 Remove the Front Trim Panel
  - 2.4.2 Install the Slide Assembly
  - 2.4.3 Remove the Internal Shipping Brackets and Packing Material
  - 2.4.4 Mount the RA81 on the Slides
  - 2.4.5 Program the Drive Unit Address Plug
  - 2.4.6 Connect the Electrostatic Discharge Bracket
  - 2.4.7 Install the Internal SDI Cables
  - 2.4.8 Mount the I/O Bulkhead
  - 2.4.9 Install the Drive Sequence Cables
  - 2.4.10 Connect AC Power
  - 2.4.11 Route and Clamp the Cables
- 2.5 RA81 Drive Diagnostic Checkout
  - 2.5.1 The Diagnostic Terminal
  - 2.5.2 Applying Power to the Drive
  - 2.5.3 Checkout
Chapter 3 Operating Instructions
- 3.1 Control Panel Switches and Indicators
  - 3.1.1 RUN/STOP Switch and Indicator
  - 3.1.2 FAULT Switch and Indicator
  - 3.1.3 UNIT/READY
  - 3.1.4 WRITE PROT
  - 3.1.5 A and B Port Select Switches
- 3.2 Circuit Breakers
- 3.3 Drive Operation
  - 3.3.1 Spin-Up
  - 3.3.2 Spin-Down
  - 3.3.3 Removing RA81 Power
- 3.4 Customer Care
  - 3.4.1 Air-Filter
  - 3.4.2 Cleaning
  - 3.4.3 Replacement
Appendix A Diagnostic Terminal Instructions
- A.1 Introduction
- A.2 Shift Keys
- A.3 Control Characters
- A.4 Continue (CONT) and Clear (CLR) Keys
- A.5 X-ON, X-OFF Keys
- A.6 Delete Key
- A.7 Display Scroll Switch
- A.8 Break Key
- A.9 CR Key (Carriage Return)
- A.10 Escape Key

Company:	Digital Equipment Corporation
Part:	EK-0RA81-UG-001
Date:	1982
Keywords:

Address:	http://bitsavers.org/pdf/dec/disc/ra81/EK-0RA81-UG-001_RA-81_Disk_Drive_Users_Guide_1982.pdf
Site:	Al Kossow's Bitsavers
Format:	PDF
Size:	3183154 bytes (3.0 MiB)

Address:	http://www.vaxhaven.com/images/b/b8/EK-0RA81-UG-001.pdf
Site:	VaxHaven
Format:	PDF
Size:	2605778 bytes (2.5 MiB)

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RA81 Disk Drive User Guide

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