> Michael, i'm afraid that is not fully correct. AFAIK all Turbochannel
> DECstations except the 5000/200 have an IO-ASIC on board which
> supports DMA-Channels for the SCSI, Ethernet and even the serial
> ports. These machines have no RAM buffers. But remember, this is
> second if not third hand information, so take it with a grain of
In case of doubt take a look at the motherboard. The extra RAM for the
DMA buffer should be easy to recognize. This concept is also being used
in the Desktstation Tyne.