Reading ESDI disks
aek at bitsavers.org
Thu Feb 11 15:00:22 CST 2021
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
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