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SubjectRe: PATCH: IDE - sensible probing for PCI systems
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On Llu, 2005-06-27 at 15:55, Maciej W. Rozycki wrote:
> Strange -- boxes have started to appear that have no connectors or at
> least PCB headers for them. What's the point in removing connectors and
> leaving the (otherwise useful) hardware inaccessible?

It saves external components, buffers etc and makes it easier to pass
FCC and CE emissions testing, while removing it from the chip means two
chips and that costs money

> > Whats the _economic_ incentive to do so ? There basically isnt one.
>
> One chip less? Well, perhaps the cost of R&D for such a system would
> exceed the total cost of keeping that chip included in all boards
> manufactured during the term corporate planning is able to cover....

A PC with all the LPC bus goodies is generally a three chip solution
anyway. The ISA bus vanished, some bits got integrated and an LPC bus
was added. By now the LPC bus and its contents have all vanished into
the onboard logic too.


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