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LPV11 Line Printer Controller
CHARON-VAX / CHARON-PDP Q-bus systems provide support for the LPV11 Parallel Line Printer Controller.
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The LPV11 (being a CHAPI component) provides the following configuration parameters, to be specified using the "set" command:
address
| Parameter | address |
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| Type | Numeric |
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| Value | Specifies the CSR address. This address must be a valid QBUS 22-bit address in an I/O space. The initial value is 017777514, which is the factory setting for an LPV11. |
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vector
| Parameter | vector |
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| Type | Numeric |
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| Value | Specifies the interrupt vector. The initial value is 0200, which is the factory setting for an LPV11. |
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parameters
| Parameter | parameters |
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| Type | Text String |
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| Value | Specifies the name of the file in which the LPV11 prints the text, the name of a physical printer or a TCPIP port to connect to an external utility, like HOSTPrint, (along with some additional parameters): | Parameters | Description |
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| "\\.\LPT<N>" | Host port to connect to a physical printer | | "port" | TCP/IP port to connect to an external application | | "application" | An application to run after opening the port. Note: the name of the application including its own parameters must be framed within ‘ characters (apostrophe). | | -port | The TCP/IP port the HOSTprint utility will connect to. | | -fontsize | The font size to be used for printing. | | -font | The font to be used for printing. The font name must be framed with \ (backslash) symbols. |
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| load chapi lpv1 address = 017777514 vector = 0200
set lpv1 dll = lpv11.dll parameters="port = 10004 application='HOSTPrint -port=10004 -fontsize=12 -font=\Courier New\'"
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DUMMY_VCB02 device
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This description applies only to MicroVAX 3600, MicroVAX 3900, VAXserver 3900 and VAXserver 3600 server emulations. |
The dummy VCB02 device emulates the QBUS registers of a VCB02 graphic controller , (at the secondary VCB02 device address) but does not implement graphic display functionality. Its purpose is to be able to use a workstation version of VMS. When this device is loaded and , VAX/VMS boots with a requires type "D" licenses (workstation) type license, the license is accepted because VMS recognizes that a VCB02 is present.Workstation). As the dummy VCB02 is located on the secondary address (0x3fff02HEX: 0x3fff02 OCT: 01777402), VMS boots using the normal console terminal without graphics capability.
The format is as follows:
load chapi dummy_vcb02
/nulldll=chapi_vcb02
set dummy_vcb02 address = 017777402 vector = 0320 display = null
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Since As this dummy device cannot draw graphics, CHARONCharon-VAX will can fail the initial hardware diagnostics , but it will still boot correctly. |
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