9 Jan
2023
9 Jan
'23
7:19 p.m.
On Mon, Jan 9, 2023, 10:23 AM Warner Losh via cctalk <cctalk(a)classiccmp.org>
wrote:
On Sun, Jan 8, 2023, 6:29 PM Zane Healy via cctalk
<cctalk(a)classiccmp.org>
wrote:
Also, a normal USB Floppy drive can only handle 1.44MB formatted floppies.
720k might work (but there is nothing in the standards to describe this)
and oddball formats are right out.
Warner
https://www.usb.org/sites/default/files/usbmass-ufi10.pdf
USB Mass Storage Class – UFI Command Specification Revision 1.0
4.10.2 Formattable Capacity Descriptors
The UFI device supports the following capacity descriptors.
Table 35 - Capacity Descriptors Supported by USB-FDU
DD 720 KB
HD 1.25 MB (1024-byte sectors)
HD 1.44 MB