Software Architecture
PLX Technology, Inc.
Figure 7-3. Programming Base and Limit Values
The Base and Limit
values of the
upstream port must
include the cumula-
tive Base and Limit
values of all the
Downstream ports,
which in turn include
the cumulative Base
and Limit values of
their downstream
Upstream Port
Virtual PCI
Port 0
Port 1
Port 2
Port 9 Port 10 Port 11
Port 8
Upstream Station 0
Downstream Station
P-P
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ExpressLane PEX 8532AA/BA/BB/BC 8-Port/32-Lane Versatile PCI Express Switch Data Book
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