Unfortunately, I've had very little luck with USB external drives that were manufactured recently (2019+), myself. I'd suggest trying the USB floppy drive in other machines, trying other USB floppy drives, or trying an internal drive instead if at all possible. There should be nothing wrong with the method you're using. The output from ufiformat -v -i /dev/sdb. FloppyīInterfaceProtocol 0 Control/Bulk/InterruptĬan't get debug descriptor: Resource temporarily unavailable

Output from lsusb -v relating to the floppy drive connected to the linux virtual. Is there a better, more robust way to create a bootable DOS 3.3 floppy? I cannot tell if my method is faulty, or if it's the diskettes or the drive. The USB floppy drive is a generic thing with a TEAC chipset (according to dmesg). I believe the disks are new old-stock, they came shrink wrapped in their original packaging. I've tried this a few times with different images (a 'NEC' brand boot image from some other site had a similar failure though). a complete disk's worth), but it clearly fails with an IO error after only 96 sectors transferred. dd conv=sync bs=512 if=/root/386_stuff/Dos3.3.img of=/dev/sdb syncĭd: error writing '/dev/sdb': Input/output errorĤ9152 bytes (49 kB, 48 KiB) copied, 18.3361 s, 2.7 image is 1.44MB in size (e.g. I have attempted to use the following command to overwrite the diskette with an image file 'Dos3.3.img' from. I have bought a new USB floppy disk drive and connected it to an Ubuntu virtual machine and I'm able to mount the drive and read the contents of the disk (although it takes a long time, over 1 minute just to get the root file listing). I wish to create a bootable DOS 3.3 installation floppy disk (3.5″, 1.44MB, 2HD, Sony branded) for my AST Premium Exec 386SX/20 laptop.

How to fix floppy disk format error