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7.6 PCI Interrupt Routing Map
Table 42
PCI Interrupt Routing Map
PCI Bus INT line
(see note below)
Geode LX800
Companion
CS5536
Ethernet
RTL8100C
SATA
VT6421
PATA
VT6421
INTA
x
x
INTB
x
INTC
x
x
x
INTD
x
x
Note
These interrupts are available for external devices/slots via the X1 connector.
7.7 PCI Bus Masters
The conga-XLX supports four external PCI Bus Masters. There are no limitations in
connecting bus master PCI devices.
Note
If there are two devices connected to the same PCI REQ/GNT pair and they are
transferring data at the same time then the latency time of these shared PCI devices
can not be guaranteed.
7.8 I²C Bus
There are no onboard resources connected to the I²C bus. Address 16h is reserved for
congatec Battery Management solutions.
7.9 SM Bus
System Management (SM) bus signals are connected to the AMD Geode™ CS5536
companion device and the SM bus is not intended to be used by off-board non-system
management devices. For more information about this subject contact congatec
technical support.
7.10 LPC Bus
Low Pin Count bus signals are connected to the AMD Geode™ CS5536 companion
device and are available on the X2 connector of the XTX module. The LPC bus can be
used to interface an off-board non-system LPC device like a Super I/O. There is only
the configuration base address 4Eh/4Fh available to access an off-board LPC devices.
For more information about this subject contact congatec technical support.
Copyright © 2006 congatec AG
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