On 2/11/21 12:36 PM, Fred Cisin via cctalk wrote:
To what extent are ESDI controllers interchangeable with already written drives?
That is completely unknown, since no one ever published any data about it. It is likely that anything using the same chipsets will be similar, but beyond that no information is known. The IBM controller in the RT did use a commercial chipset and they just added a bus mastering DMA controller.
