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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 |
|---|---|
| Type | Numeric |
| 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. |
vector
| Parameter | vector |
|---|---|
| Type | Numeric |
| 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 |
|---|---|
| Type | Text String |
| 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 |
It’s possible to load as many LPV11 devices as you wish and the system running on the emulated VAX/PDP-11 allows this to be done. To load LPV11 devices use the standard QBUS parameters: "address" and "vector" to select the correct place on the QBUS.
The following example demonstrates how to load 2 instances of LPV11, mapped to 2 host system LPT ports:
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The printers connected to the host must understand output of the LPV11 driver on the emulated VAX/PDP-11. Use printers that work with the VAX/PDP-11 hardware. |
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