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1x14 + 1x2 ISA Backplane


1x14 + 1x2 ISA Backplane

The Cubix ISA backplane technology is based upon the concept of "joining", or "shunting", groups of slots together. When the backplane is manufactured, it consists of multiple groups of slots that are not electrically joined together. Between the standard ISA slots are special shunt slots (these slots resemble EISA slots in appearance). By inserting a Cubix shunt board into the shunt slot, the adjacent two groups are joined, forming a larger backplane segment.

For example, assume that the backplane is divided into eight groups of two slots each. These groups are identified as Group 1, Group 2, etc., and ending with Group 8. By inserting a shunt board between groups 1 and 2, the backplane is reconfigured to contain only seven groups. Group 1 contains 4 slots (previously assigned to groups 1 and 2), and groups 2 through 7 contain 2 slots each.

Various configurations are available by inserting shunt boards into this backplane, as illustrated in Table 1.


14x2isa.gif (4079 bytes)

Figure 1
1x14 + 1x2 ISA Backplane


Table 1
1x14 + 1x2 ISA Backplane Configurations

# of Groups

Group

1

Group

2

1

16 ISA

-

2

14 ISA

2 ISA


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