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General description
CHARON-AXP supports emulation of DEFPA PCI FDDI adapter via CHARON PCI Pass Through mode (using a specific CHARON PCI Pass Through driver).
CHARON PCI Pass Through mode enables connection between the virtual DEFPA PCI FDDI adapter and the physical DEFPA PCI FDDI adapter plugged into a hosting server PCI bus.
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Loading DEFPA PCI FDDI adapter
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In AlphaStation 400 configuration use the following syntax for DEFPA PCI FDDI adapter loading: load defpa FDDI irq_bus = isa |
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Configuration parameters
The DEFPA PCI FDDI adapter emulation has only one configuration parameter:
host_bus_location
| Parameter | host_bus_location |
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| Type | Text String |
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| Value | Establish connection between virtual DEFPA PCI FDDI adapter and physical DEFPA PCI FDDI adapter installed on CHARON host (pass through mode) Syntax: load defpa <controller name> host_bus_location="PCI bus X, device Y, function Z" |
where: | Parameter | Description |
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| "PCI bus X" | PCI bus number of the host DEFPA PCI FDDI adapter | | "device Y" | PCI bus device number of the host DEFPA PCI FDDI adapter | | "function Z" | The "function" parameter of the the host DEFPA PCI FDDI adapter |
Example: load defpa FDDI host_bus_location="PCI bus 3, device 1, function 0" |
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Installation of DEFPA PCI FDDI adapter
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Upon completion, a new device will appear in the device manager with the CHARON logo on it.
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Mapping to host DEFPA PCI FDDI adapter
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Non-US-EN installations of Windows may present “Location:” string in local language, but "host_bus_location" parameter requires English notation, so the words “PCI”, “bus”, “device”, and “function” must be specified in English.
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