[Coco] Formatting L.R. Tech Hard Drive in OS9 Level II

[Steven Hirsch]

On Sun, 10 Jan 2016, Mark J. Blair wrote:

> From Owlware hard drive basic, the "DRIVE P" command (which should park 
> the drive) causes the hard drive LED to blink once before returning 
> "HARD DISK ERROR". If the SASI cartridge is unplugged, this command will 
> hang instead. So this is a good sign, because it suggests to me that the 
> SASI cart is responding to bus access, it causes the Xebec controller to 
> do something, and the Xebec controller does something with the hard 
> drive. Maybe the Xebec controller is just unhappy because the drive 
> doesn't have a low-level format that the Xebec board recognizes, since 
> the drive appears to have been reformatted on a DOS PC clone?

Count on it.  At a minimum it will have the wrong sector size.  PCs used 
512-byte sectors and I have to believe that the designers of that 
subsystem chose 256-byte sectors to make life simpler for the OS-9 driver.

Also, have you checked the 256/512 jumper on the Adaptec controller?



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