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Table of Contents
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General description
CHARON-AXP supports emulation of PBXDA-xx family PCI serial adapter based on DIGI AccelePort serial adapters via CHARON PCI Pass Through mode (using a specific CHARON PCI Pass Through driver) and by direct virtualization.
CHARON PCI Pass Through mode enables connection between the virtual PBXDA-xx PCI serial adapter and the physical DIGI AccelePort PCI serial adapter plugged into a hosting server PCI bus whether as the direct virtualization may address the host serial port or TCP/IP port.
Virtual PBXDA-xx PCI serial adapter
Loading virtual PBXDA-xx serial lines adapter
Syntax for loading PBXDA (AccelePort 2r 920) serial lines adapter:
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Syntax for loading PBXDA_BA (AccelePort 4r 920) serial lines adapter:
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Syntax for loading PBXDA_BB (AccelePort 8r 920) serial lines adapter:
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Syntax for loading PBXDA_AC (AccelePort Xem) serial lines adapter:
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Example:
load PBXDA/DIGI TXA |
The adapter instance name ("TXA" in the example above) is used then for parametrization, for example:
set TXA line[2]="COM1:" |
The numbers in the square brackets represent line number on the virtual PBXDA-xx adapter starting from 0.
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| Controller type | Maximum number of lines |
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| PBXDA | 2 |
| PBXDA_BA | 4 |
| PBXDA_BB | 8 |
| PBXDA_AC | 16 |
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All the parameters described in the "Placement of peripheral devices on PCI bus" chapter, such as "bus", "device", "function", "irq", "irq_bus" are applicable for PBXDA-xx controller. |
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DIGI drivers for OpenVMS and Tru64 are sensitive to PBXDA-xx location on PCI, therefore it is recommended to fix PBXDA-xx location with explicit configuration. Example:
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Configuration parameters
The PBXDA-xx serial lines adapter emulation has the following configuration parameters:
port
| Parameter | port | ||
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| Type | Text String | ||
| Value | Specifies a local port for incoming telnet connections By default the "port" configuration option is not specified. Syntax:
Example:
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line
| Parameter | line |
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| Type | Text string |
| Value | A defined COM port on host system: Example:
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Pass-through mode
Loading PBXDA-xx PCI serial adapter in pass-through mode
Note the model of DIGI AccelePort PCI serial adapter for emullation of a particular model of PBXDA-xx family PCI serial adapter:
DEC PBXDA-xx adapter | Name of the device to map to | Controller | Vendor ID | Device ID |
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| PBXDA-BA | DIGI AccelePort 4r 920 | ASIC PCI | 114Fh | 0026h |
| PBXDA-BB | DIGI AccelePort 8r 920 | ASIC PCI | 114Fh | 0027h |
| PBXDA-AC | DIGI AccelePort Xem | ASIC PCI | 114Fh | 0004h |
| PBXDA-AC | DIGI AccelePort Xem | ASIC PCI | 114Fh | 0008h |
Loading PBXDA-xx PCI serial adapter
Syntax for loading PBXDA-xx PCI serial adapter:
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By default PBXDA-xx adapter uses first available PCI slot. If instead some particular slot is needed, refer to this section for details of specific placement of PCI peripherals on CHARON Virtual Machine (VM) PCI bus.
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In AlphaStation 400 configuration use the following syntax for PBXDA-xx PCI serial adapter loading:
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Configuration parameters
The PBXDA-xx PCI serial adapter emulation has only one configuration parameter:
host_bus_location
| Parameter | host_bus_location | ||||||||||
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| Type | Text String | ||||||||||
| Value | Establish connection between virtual PBXDA-xx PCI serial adapter and physical DIGI AccelePort PCI serial adapter installed on CHARON host (pass through mode) Syntax:
where:
Example:
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Installation of DIGI AccelePort PCI serial 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 DIGI AccelePort PCI serial 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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