diff --git a/man4/fd.4 b/man4/fd.4 index ad4ab2388..7a44ffa44 100644 --- a/man4/fd.4 +++ b/man4/fd.4 @@ -24,13 +24,15 @@ .\" .\" Modified, Sun Feb 26 15:00:02 1995, faith@cs.unc.edu .\" -.TH FD 4 1995-01-29 "Linux" "Linux Programmer's Manual" +.TH FD 4 2010-08-29 "Linux" "Linux Programmer's Manual" .SH NAME fd \- floppy disk device .SH CONFIGURATION Floppy drives are block devices with major number 2. Typically they -are owned by root.floppy (i.e., user root, group floppy) and have +are owned by +.I root.floppy +(i.e., user root, group floppy) and have either mode 0660 (access checking via group membership) or mode 0666 (everybody has access). The minor @@ -47,10 +49,10 @@ drive number. than supported by your drive, you may cause it mechanical damage.\fP Trying once if more tracks than the usual 40/80 are supported should not damage it, but no warranty is given for that. -Don't create device -entries for those formats to prevent their usage if you are not sure. +If you are not sure, don't create device +entries for those formats, so as to prevent their usage. .PP -Drive independent device files which automatically detect the media +Drive-independent device files which automatically detect the media format and capacity: .TS l l. @@ -192,17 +194,19 @@ manual page. .SH FILES /dev/fd* .SH NOTES -The various formats allow to read and write many types of disks. -However, if a floppy is formatted with a too small inter sector gap, -performance may drop, up to needing a few seconds to access an entire -track. +The various formats permit reading and writing many types of disks. +However, if a floppy is formatted with an inter-sector gap that is too small, +performance may drop, +to the point of needing a few seconds to access an entire track. To prevent this, use interleaved formats. + It is not possible to read floppies which are formatted using GCR (group code recording), which is used by Apple II and Macintosh computers (800k disks). + Reading floppies which are hard sectored (one hole per sector, with the index hole being a little skewed) is not supported. -This used to be common with older 8 inch floppies. +This used to be common with older 8-inch floppies. .\" .SH AUTHORS .\" Alain Knaff (Alain.Knaff@imag.fr), David Niemi .\" (niemidc@clark.net), Bill Broadhurst (bbroad@netcom.com).