Introduction to Cubix Density System 1200

Cubix Density Systems are rack mount systems that can hold up to four dual SMP or eight single processor Pentium computers. Each computer consists of a Cubix  plug-in computer plus an additional slot for third party boards such as an internal modem, fax board or additional LAN adapter.  Each  computer can be independently powered on or off, or reset with controls on the front panel.

Show me how to operate the front panel controls

What are "plug-in computers"?

Backplanes

The key to flexibility in Cubix Systems is the backplane. It is installed in the bottom of the system, and determines how many CP, DP or SP Series plug-in computers can be installed.  There are three different backplanes available for the density System.

4X DP Backplane

• Supports up to 4 Cubix DP model dual-SMP servers.
• One shared ISA/PCI expansion slot is provided for each group.

Configured with 8 groups. Supports up to 8 independent CP/SP Series plug-in computers.

• Supports up to 8 Cubix  CP/SP model single-processor servers.
• One ISA/PCI expansion slot is provided for each group.
• Some  CP/SP boards require more space than is standard within a single group and will limit the number of processors within a system.

Configured with 6 groups. Supports any combination of up to 4 independent SP Series and 2 DP Series (dual-SMP) plug-in computers.

• Supports 2 Cubix DP model dual-SMP servers and up to four Cubix   CP/SP model single-processor servers.
• One ISA/PCI expansion slot is provided for each group.
• A Cubix  CP/SP model single-processor server can be installed in the DP model dual-SMP server group.
• Some  CP/SP boards require more space than is standard within a single group and will limit the number of processors within a system.

What are "Groups"?

Multiplexor

A multiplexor is built into the system to control all the DP or SP Series plug-in computers. The multiplexor allows you to share a common floppy disk drive, monitor, mouse and keyboard.

Show me how to control individual computers from the front panel

Disk Drive Bay

Hard disk drives for the independent computers in the system are installed in the Disk Drive Bay in the front of the system. They are installed on single or dual drive tray assemblies.

Power Supplies

Three power supplies are installed in the back of the system.  The purpose of the multiple supplies is to provide fault tolerance in the event of a single power supply failure.

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