26 Nov
2015
26 Nov
'15
3:03 a.m.
On 2015-11-26 07:08, tony duell wrote:
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
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
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.