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Defining parallel port number

By michael ·
I need to assign lpt2 to the built-in parallel port on a pc. NT assigns lpt1 as default - any way to work around this and assign lpt2 instead ?

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Defining parallel port number

by redshift In reply to Defining parallel port nu ...

How many parallel ports does the PC have? If only one, then you're S.O.L. If more than one, the lower the IO range, the lower the LPT# assignment. This is achieved through one of two ways - set your integrated parallel port to a hight IO range via the BIOS, or set your add-on parallel port to a lower range via the jumpers on the card.

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Defining parallel port number

by michael In reply to Defining parallel port nu ...

There's only one port and I don't want to add another

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Defining parallel port number

by mbraffor In reply to Defining parallel port nu ...

Why LPT2 as the port? You can also add a port (usually using the HP port choice) and then configure it to the setup you desire. LPT is NOT your only alternative. If that doesn't fix it shoot me an email.

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Defining parallel port number

by michael In reply to Defining parallel port nu ...

Because the customer is using some old programs that needs to send reports to lpt1, but the attached printer is not capable of the large reports, and the user wants to keep the local printer for small printouts from ie outlook

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Defining parallel port number

by burcjo In reply to Defining parallel port nu ...

NT is going to assign the first lpt port it finds to lpt1. You can't have an lpt2 without an lpt1. If you have an extra lpt port installed in the machine then (depending on the make of your pc) you may be able to change the setting of the built in lpt port to be lpt2 (sometimes you can do this in the bios... sometimes you just have to disable it).

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Defining parallel port number

by michael In reply to Defining parallel port nu ...

and theres no way around this ??

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Defining parallel port number

by howard In reply to Defining parallel port nu ...

What I have done in the past is make the printer in question a shared network printer, then use the NET USE command to capture the LPT2 port. EG: NET USE LPT2 \\CPU\PRINTER

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Defining parallel port number

by michael In reply to Defining parallel port nu ...

That'll not work as the local printer connected to lpt1 still needs to be accessed

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Defining parallel port number

by burcjo In reply to Defining parallel port nu ...

0x3BC
0x378
0x278
Are common addresses for LPT ports. No matter what address you assign your lpt port, Microsoft OS's will assign LPT1 to the first LPT port it finds. . So if you want to work around that situation, set your internal lpt port as 378, purchase an inexpensive LPT card and install it as LPT2(0x278). If you need to redirect LPT1 to print to a network printer, then you're all set.

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Defining parallel port number

by michael In reply to Defining parallel port nu ...

I have thought about this solution myself, but in this specific case its not possible as there are no more vacant pci nor isa slots in the machine - thats why I was looking for a sw-based solution

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