>My guess is that the parport sharing code is causing some sort of
>bottleneck which is only showing up on the slow 486. When the laptop is
>using the 2.0.3 PLIP code (no parport sharing), it communicates fine with
>the PIII which is using the more modern PLIP (sharing) code.
I doubt this is the problem. The parport sharing code isn't *that*
Does PLIP think it's using interrupts? (Check with dmesg.) It might be
falling back to polled operation, which always brings a large performance hit.
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