For formats which work in several drive types, FDGETDRVTYP returns a name which is appropriate for the oldest drive type which supports this format. FDGETDRVTYP returns the type of a drive (name parameter). In order to re-enable autodetection, you have to issue an FDCLRPRM. The media information will not be lost when the media is changed. FDDEFPRM sets the media information of a drive (geometry of disk in drive).
The media information will be lost when the media is changed. FDSETPRM sets the media information of a drive. The following ioctl(2) calls are supported by fd devices: FDCLRPRM clears the media information of a drive (geometry of disk in drive). Don't create device entries for those formats to prevent their usage if you are not sure.ĭrive independent device files which automatically detect the media format and capacity: Nameĥ.25 inch double density device files: Nameĥ.25 inch high density device files: Nameģ.5 inch double density device files: Nameģ.5 inch extra density device files: NameĭESCRIPTION fd special files access the floppy disk drives in raw mode.
Trying once if more tracks than the usual 40/80 are supported should not damage it, but no warranty is given for that. Warning: If you use formats with more tracks than supported by your drive, you may damage it mechanically. If it is connected to the second controller, add n+128 to the minor base number. To get a minor number for a specific drive connected to the first controller, add n to the minor base number. It is 0 for the first drive, 1 for the second etc. For the following devices, n is the drive number. Typically they are owned by root.floppy and have either mode 0660 (access checking via group membership) or mode 0666 (everybody has access). NAME fd - floppy disk device CONFIGURATION Floppy drives are block devices with major number 2.
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