List of Tables

| Table of Contents | List of Figures | List of Tables |

Table 1-1. CPU Board Type and System Relationship

Table 1-2. Required Air Clearances for the Deskside Chassis

Table 2-1. Standard I/O Connectors

Table 2-2. Optional Visualization Console Video Connector Description

Table 2-3. RS-232 (9-Pin Unpowered) and RS-422 Connector Detail

Table 2-4. RS-232 (8-Pin Powered) Connector Detail

Table 2-5. Server System IO4 Board Connector Labelling

Table 2-6. Centronics Compatible Parallel Port Pin Assignments

Table 3-1. System Controller Boot Status Messages

Table 4-1. Overview of Drive Installation Guidelines

Table 4-2. 68-Pin Single-Ended, High-Density SCSI Pinouts

Table 4-3. 68-Pin Differential, High-Density SCSI Pinouts

Table 4-4. Typical DTE to DTE Serial Printer Connection

Table 4-5. Typical ASCII Terminal Connection

Table 4-6. RS-232 Modem Connector Pin Assignments

Table 4-7. Centronics Compatible Parallel Port Pin Assignments

Table 5-1. System Controller Master CPU Status Messages

Table 6-1. ANSI/HFS 100–1988 Guidelines for VDT Workplace Adjustment

Table 6-2. Workstation Adjustments Preferred by CAD Users

Table A-1. Challenge Deskside Server Specifications

Table B-1. 4-mm DAT Front Panel LED Status Indicators

Table B-2. 8-mm Tape Drive Front Panel Status Indicators

Table C-1. System Events—Immediate Power-Off

Table C-2. System Events—Delayed Power-Off

Table C-3. System Events—Informative

Table C-4. Internal System Controller Error Messages

Table D-1. Optional Mezzanine Board Descriptions

Table E-1. Supported Address and Data Sizes

Table E-2. Word Length Conventions

Table E-3. Power Specifications for the Challenge Deskside System

Table E-4. 5 VDC Power Consumption Chart for Various System Boards

Table E-5. Challenge Deskside Slot Assignments

Table E-6. P1 VME Pin Assignments

Table E-7. P2 VME Pin Assignments

Table E-8. P3 VME Pin Assignments

Table E-9. Signal Definitions