User guide

1
VAX 4000 Model 105A/106A Hardware
This chapter describes the VAX 4000 Model 105A and 106A system units. It covers the
following:
• The Model 105A/106A system unit
• Terminal settings
• System unit icons
1.1 System Unit Description
The VAX 4000 Model 106A system differs from the Model 105A system in two
ways.
Table 1–1 Model 105A and 106A Differences
Model CPU Module DSSI Expansion Ports
105A KA53 3
106A KA54 4
Note
Illustrations in this manual show a VAX 4000 Model 106A system
rather than a Model 105A system, unless otherwise noted.
See Figure 1–1 for the VAX 4000 Model 105A/106A system ports, controls, and
LEDs.
VAX 4000 Model 105A/106A Hardware 1–1