VAX 4000 Model 105A Customer Technical Information

This document, "VAX 4000 Model 105A Customer Technical Information" (June 1994), serves as a comprehensive guide for experienced users, such as system programmers and managers.

It provides detailed technical information and specifications for the VAX 4000 Model 105A system. Key topics include:

• System Description: Details the VAX 4000 Model 105A's architecture, including the KA53 CPU and its supported VAX data types and instructions, as well as a list of internal mass storage devices (hard disks, tape, CD-ROM, diskette drives) and communication devices (asynchronous and synchronous).
• Console Security Feature and System Defaults: Explains how to enter console mode, use the console port, and manage console security (setting/changing passwords, privileged/unprivileged user access). It also covers configuring system defaults for booting and recovery actions.
• Console Commands: A dedicated chapter details a wide range of console commands, such as BOOT, CONTINUE, DEPOSIT, EXAMINE, SET, SHOW, and TEST, explaining their formats and parameters.
• Hardware Specifications: Provides comprehensive specifications for the system unit, internal SCSI and DSSI devices, and the KA53-AA CPU, including details on console serial lines, operating system support (VMS), and diagnostic tools.