On 2024-02-01 4:42 p.m., Mike Katz via cctalk wrote:
The drive has 2 index sensors. I've never seen a
double sided 8" disk
drive that couldn't read a single sided disk because it didn't have
the single sided index sensor.
A double sided drive that can read single sided diskettes has to have
two index sensors as the index hole is in different locations on a
single sided diskette than on a double sided diskette.
Paul.