The original PC specs were for 3 , a primary, a secondary, and one on a video/printer I/O card.
There were IRQs set for the 2 resident ports.
I would suspect that the limit has been raised. I've heard 6 using PCI parallel ports but that is rumor only as I've not checked it out.
This is going to be OS dependent in any case.
Ed Fair
Give the wrong symptoms, get the wrong solutions.
I would suspect so. But you really need to dig into the OS specs to find out.
I've never had to worry about more than 3, and that on UNIX systems. I've had 2 on DOS based equipment.
Ed Fair
Give the wrong symptoms, get the wrong solutions.
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