Alan Cox wrote: > ISA bus has MMIO, including busmastering. really? ok. I thought the 8237A (DMA chip) on pc's provided the DMA capability. I didn't think it wasn't inherent to the ISA bus. But it's been so long (late 80's) since I've seriously mucked with ISA devices. ta, grant Grant Grundler parisc-linux {PCI|IOMMU|SMP} hacker +1.408.447.7253