Reading ESDI disks

[Al Kossow]

On 2/11/21 12:59 PM, Al Kossow via cctalk wrote:
> On 2/11/21 12:51 PM, Al Kossow via cctalk wrote:
>> 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.
>>
> 
> Another possibility is looking at the driver in the AIS sources. That's been
> on my list to do, next to disassembling the controller code.
> 
> I don't know if it's possible to pull data out of the sector buffer without DMA
> 
> That would simplify hacking something together to try to use the board in a PC
> 
> 

and there is a data sheet for the AIC-010 controller on bitsavers