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16 interrupts
jebrighton Aug-17-01 12:42 PM
in this day of cdrs, cdrs, graphics cards, etc., we are we still stuck with only interrupts 00-15. Sometimes it is virtually impossible to install a board in a new PC because all the interrupts are in use or some other memory allocation problem. What causes this restriction and what has to happen to change it? It seems that if I have 3 open slots, I should be able to install something and not have these kind of problems.

2. RE: 16 interrupts
lbyard Aug-17-01 05:17 PM
In response to message 0
We are we still stuck with only interrupts 00-15.
Theoretically, up to four PCI slots/motherboard PCI devices can share a single interrupt…

What causes this restriction?

Poor design and implementation of Plug and Play. Plug ‘n Prey simply doesn’t work for most loaded computers. Many average computers have problems as well. I have spent many many man-days solving the problems.

It seems that if I have 3 open slots, I should be able to install something and not have these kinds of problems.

I certainly agree, but the reality it that you probably will have problems.

What has to happen to change it?

A new standard/design that works. An "uprising"/demand large enough to gain the attention of the hardware and software bigshots. Larry


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