15 May
2007
15 May
'07
6:28 p.m.
On Tue, 15 May 2007, Grant Stockly wrote:
Its an MDL-1011D with an FD1771-B01.
What's the deal with this chip? Is it formatting the the disk as 360k?
Nothing special. It is a SINGLE DENSITY (FM) ONLY chip.
Although it might give a final capacity of 360K or thereabouts,
It's parameters are most certainly NOT the same as the IBM "360K" format.
It is most likely formatting it as 10 256 byte sectors per track,
or as 18 128 byte sectors.
Tools for looking at MFM disks would be looking for MFM. NOT FM, and would
prob'ly default to expecting 512 bytes per sector.
SOME 3.5" disk drives may have difficulty dealing with FM (Single
Density).