Expansion Subsystem, Chapter 1

Expansion Subsystem
Chapter 1 - Introduction

Introduction

The Cubix Expansion Subsystem extends the bus of a standard AT class computer. It eliminates the crowded, underpowered, and overheated conditions inside a host computer by providing additional ISA slots, power, and cooling. The subsystem is designed to be installed into the Cubix System Cabinet.

Figure 1-1 Cubix Expansion Subsystem.

Features and Benefits

Ease of Installation

Insert the appropriate interface board in the host computer and another one in the Expansion Subsystem. Then connect the two with the provided cable.

Expansion Slots

The Cubix Expansion Subsystem consists of 16 ISA slots. Since one host slot and one expansion slot are required for the interface boards, the Expansion Subsystem extends the host computer by 14 slots. Up to eight Expansion Subsystems can be connected to the host computer.

The Cubix Expansion Subsystem can accommodate 8- or 16-bit I/O boards. It can be used with an 8 MHz bus without adding wait states.

! Although the Expansion Subsystem has been tested with some 8- and 16-bit I/O boards, there is no guarantee of compatibility with boards not manufactured by Cubix Corporation.

Power

The Cubix Expansion Subsystem power supply exceeds the demands of most boards. It can be powered from 120/220 volts. Its output power rating is 350 watts, ensuring an ample and consistent source of power.

Cooling

To lower temperatures and increase air circulation, two high capacity fans circulate air over all components.

Software Support

Software controlled bus isolation and a readable status port are provided on each Expansion Subsystem. However, the software must be provided by the user (it is not currently available from Cubix Corporation). For information, see Appendix A -- Software Support.

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Features and Benefits