At 23:11 02.03.97 -0600, you wrote:
>Me again,
>        Just a quick question about parallel ports as they pertain to PIC
>programmers.
>        My computer has an on-board parallel port with 4 options in the BIOS.
>
>1). SPP, which I think is " Standard Parallel Port " and is not
>bi-directional.
>2). EPP or " Enhanced Parallel Port " which I think is bi-directional.
>3). ECP or " Extended Capabilities Port " I have no idea what this is.
>4). EPP+ECP obviously a combination of the last two.
>
>        Does anyone have a suggestion as to which I should be using ??
>        Thanks.
>James and Iliana Holbrook
>Austin Texas
>Electronic hobbiest
>Automotive Technician
>Software Engineer
>

If you want to connect a "normal" printer, use SPP.

If your printer says in its manual, that it supports also EPP or ECP,
then use them.

If you connect something else, read the manual carefully. If they
don't mention anything else than "compatible printer port", use SPP.

A ZIP drive or something like this can deal with EPP and ECP.

regards,

Wolfram


+-----------------------------------------------------+
| Wolfram Liebchen                                    |
| Forschungsinstitut fŸr Optik, TŸbingen, Deutschland |
| mailto:liebchen@ffo.fgan.de                         |
+-----------------------------------------------------+