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Memory Mezzanine Options
Two 100-pin connectors (J15 and J16) are provided on the controller's
main module to accommodate optional memory mezzanine boards. The
following memory mezzanine options are available:
The mezzanine boards may either be used individually or be combined in
a stack (not more than two deep). The following connector options govern
stacking arrangements:
Note
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4 MB or 8 MB ECC DRAM (stackable on top)
16 MB or 32 MB ECC DRAM
The 4 MB and 8 MB boards has connectors on the top and bottom
(primary and secondary) sides of the board. It can be used as
follows:
– Individually as the only mezzanine board (with nothing stacked
on top)
– Stacked with another 4 MB or 8 MB board on top
– Stacked with either an 8 MB or 32 MB board on top
The 8 MB or 32 MB board has connectors on the bottom only. It can
be used as follows:
– Stacked on top of a 4 MB or 8 MB board
– Individually as the only mezzanine board
When the mezzanines are stacked, the starting address of the
larger board must be less than the starting address of the
smaller board.
Hardware Preparation
2-11
2
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