On Sun, Apr 27, 2003 at 07:41:57AM +0900, Takeshi Nakayama wrote:
> +	if (dma_maps->dma_flags & WDC_DMA_LBA48) {
> +		atapi = (dma_maps->dma_flags & WDC_DMA_READ) ?
> +		    PDC262_ATAPI_LBA48_READ : PDC262_ATAPI_LBA48_WRITE;
> +		atapi |= dma_maps->dmamap_xfer->dm_mapsize >> 1;
> +		bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
> +		    PDC262_ATAPI(channel), atapi);

Why you suppose that 0x20 in the FreeBSD's source means ATAPI port? More
likely it's General Purpose Register, PDC262_SCR_GEN_LAT. Did you try to
connect your LBA48 drive to the second channel?

-- 
   Alexander Yurchenko (aka grange)