On 2015-11-26 07:08, tony duell wrote:
The RH11 do DMA, just like all other disk controllers I know of.IIRC, the RX11/RX211 (Unibus) and RXV11/RXV21 (Qbus) don't do DMA.The RX11/RXV11 don't do DMA, but the RX211 and RXV21 do, I think
Right. And the RXV21 only have 18-bit addressing for DMA.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
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