'\" t
.\" Copyright (c) 1993 Michael Haardt (michael@cantor.informatik.rwth-aachen.de)
.\" and 1994,1995 Alain Knaff (Alain.Knaff@imag.fr)
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Modified, Sun Feb 26 15:00:02 1995, faith@cs.unc.edu
.\"
.\" Japanese Version Copyright (c) 1996,1997,1998 ISHIKAWA Mutsumi
.\"         all rights reserved.
.\" Translated Sun Jan 11 03:25:38 JST 1998
.\"         by ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
.\"
.\" WORD:	floppy disk		եåԡǥ
.\" WORD:	double density		̩
.\" WORD:	high density		̩
.\" WORD:	extra density		ĥ̩
.\" WORD:	interleaved format	󥿡꡼֥ɥեޥå
.\" WORD:	media			ǥ
.\" WORD:	geometry		ȥ
.\" WORD:	buffer cache		Хåեå
.\" WORD:	threshold		
.\" WORD:	clear			ꥢ
.\"
.TH FD 4 1995-01-29 "Linux" "Linux Programmer's Manual"
.SH ̾
fd \- եåԡǥ(floppy disk)ǥХ
.SH 
եåԡɥ饤֤ϥ᥸㡼ʥС 2 ĥ֥åǥХǤ롣
ŪˤϡΥǥХΥʡ root.floppy (ʡ root
롼 floppy)ǡ⡼ 0660 (롼פιǤ뤳Ȥ
äƥåԤ)ޤϡ⡼ 0666 (ïǤ⥢
Ǥ) Ǥ롣ޥʡʥСϥǥХΥסɥ饤ֹ֤桢
ȥ顼ֹ沽ΤǤ롣줾ΥǥХ
(ϡ̩ (density) ȥȥå (track count) ȹ礻Ǥ)
ϡ١ȤʤޥʡʥСäƤ롣Υ١ʥСˤ
ȥ顼Υɥ饤֥ʥСä롣⤷Υɥ饤֤ 2 ܤ
ȥ顼³Ƥʤ顢 128 ä롣ΥǥХ
ơ֥Ǥϡ \fIn\fP ϥɥ饤ֹɽ
.PP
ٹ: ⤷ɥ饤֤ǥݡȤƤ¿ΥȥåĤ褦
եޥåȤ褦Ȥ硢Ūʥ᡼Τʤ
.PP
:
ʲɽѤѸɽδط
(ԤˤޤǼǤʤä)
鸶ʸΤޤޤȤʤäƤޤܸȤбϰʲ̤Ǥ
.TS
l l.
Name	̾
Capac.	
Cyl.	
Sect.	
Heads.	إå
Base minor #	١ޥʡʥС
.TE

ǥΥեޥåȤ̤ưŪ˸Фɥ饤¸ΥǥХ
ե:
.TS
l l.
Name	Base minor #
_
\fBfd\fP\fIn\fP	0
.TE
.PP
5.25 ̩(double density)ǥХե:
.TS
lw(1i) l l l l l.
Name	Capac.	Cyl.	Sect.	Heads	Base minor #
_
\fBfd\fP\fIn\fP\fBd360\fP	360K	40	9	2	4
.TE
.PP
5.25 ̩(high density)ǥХե:
.TS
lw(1i) l l l l l.
Name	Capac.	Cyl.	Sect.	Heads	Base minor #
_
\fBfd\fP\fIn\fP\fBh360\fP	360K	40	9	2	20
\fBfd\fP\fIn\fP\fBh410\fP	410K	41	10	2	48
\fBfd\fP\fIn\fP\fBh420\fP	420K	42	10	2	64
\fBfd\fP\fIn\fP\fBh720\fP	720K	80	9	2	24
\fBfd\fP\fIn\fP\fBh880\fP	880K	80	11	2	80
\fBfd\fP\fIn\fP\fBh1200\fP	1200K	80	15	2	8
\fBfd\fP\fIn\fP\fBh1440\fP	1440K	80	18	2	40
\fBfd\fP\fIn\fP\fBh1476\fP	1476K	82	18	2	56
\fBfd\fP\fIn\fP\fBh1494\fP	1494K	83	18	2	72
\fBfd\fP\fIn\fP\fBh1600\fP	1600K	80	20	2	92
.TE
.PP
3.5 ̩(double density)ǥХե:
.TS
lw(1i) l l l l l.
Name	Capac.	Cyl.	Sect.	Heads	Base minor #
_
\fBfd\fP\fIn\fP\fBD360\fP	360K	80	9	1	12
\fBfd\fP\fIn\fP\fBD720\fP	720K	80	9	2	16
\fBfd\fP\fIn\fP\fBD800\fP	800K	80	10	2	120
\fBfd\fP\fIn\fP\fBD1040\fP	1040K	80	13	2	84
\fBfd\fP\fIn\fP\fBD1120\fP	1120K	80	14	2	88
.TE
.PP
3.5 ̩(high density)ǥХե:
.TS
lw(1i) l l l l l.
Name	Capac.	Cyl.	Sect.	Heads	Base minor #
_
\fBfd\fP\fIn\fP\fBH360\fP	360K	40	9	2	12
\fBfd\fP\fIn\fP\fBH720\fP	720K	80	9	2	16
\fBfd\fP\fIn\fP\fBH820\fP	820K	82	10	2	52
\fBfd\fP\fIn\fP\fBH830\fP	830K	83	10	2	68
\fBfd\fP\fIn\fP\fBH1440\fP	1440K	80	18	2	28
\fBfd\fP\fIn\fP\fBH1600\fP	1600K	80	20	2	124
\fBfd\fP\fIn\fP\fBH1680\fP	1680K	80	21	2	44
\fBfd\fP\fIn\fP\fBH1722\fP	1722K	82	21	2	60
\fBfd\fP\fIn\fP\fBH1743\fP	1743K	83	21	2	76
\fBfd\fP\fIn\fP\fBH1760\fP	1760K	80	22	2	96
\fBfd\fP\fIn\fP\fBH1840\fP	1840K	80	23	2	116
\fBfd\fP\fIn\fP\fBH1920\fP	1920K	80	24	2	100
.TE
.PP
3.5 ĥ̩(extra density)ǥХե:
.TS
lw(1i) l l l l l.
Name	Capac.	Cyl.	Sect.	Heads	Base minor #
_
\fBfd\fP\fIn\fP\fBE2880\fP	2880K	80	36	2	32
\fBfd\fP\fIn\fP\fBCompaQ\fP	2880K	80	36	2	36
\fBfd\fP\fIn\fP\fBE3200\fP	3200K	80	40	2	104
\fBfd\fP\fIn\fP\fBE3520\fP	3520K	80	44	2	108
\fBfd\fP\fIn\fP\fBE3840\fP	3840K	80	48	2	112
.TE
.SH 
\fBfd\fP ڥեϥեåԡǥɥ饤֤˥⡼
(raw mode)
롣\fBfd\fP Ǥϡ
.BR ioctl (2)
뤬ݡȤƤ롣
.IP \fBFDCLRPRM\fP
ɥ饤֤Υǥ(ɥ饤ΥǥΥȥ)򥯥ꥢ
롣
.IP \fBFDSETPRM\fP
ɥ饤֤Υǥ򥻥åȤ롣ǥϥǥ򴹤줿
롣
.IP \fBFDDEFPRM\fP
ɥ饤֤Υǥ(ɥ饤ΥǥΥȥ)򥻥åȤ
롣ǥϥǥ򴹤줿Ǥ⼺ʤ(ǥ
)ưФ̵ˤ롣ưФƤͭˤ뤿ˡ
\fBFDCLRPRM\fP ȯԤʤФʤʤ
.IP \fBFDGETDRVTYP\fP
ɥ饤֤Υ(̾)֤줾Υɥ饤֥פŬ礹
˥եޥåȤԤᡢ\fBFDGETDRVTYP\fP ϥեޥåȤ򥵥ݡ
ǤŤɥ饤֥פΤŬڤ֤̾
.IP \fBFDFLUSH\fP
Ϳ줿ɥ饤֤ΥХåեå̵ˤ롣
.IP \fBFDSETMAXERRS\fP
顼ߡƻԡꥻåȡɤ߹ߤΤ
Υ顼ͤ򥻥åȤ롣
.IP \fBFDGETMAXERRS\fP
ߤΥ顼ͤ롣
.IP \fBFDGETDRVTYP\fP
ɥ饤֤̾롣
.IP \fBFDWERRORCLR\fP
񤭹ߥ顼פ򥯥ꥢ롣
.IP \fBFDWERRORGET\fP
񤭹ߥ顼פɤࡣפϡ񤭹ߥ顼ιסǽν񤭹
ߥ顼ϤɤΥǥΤɤǵäơǸν񤭹ߥ顼
ɤΥǥΤɤǵäȤޤǤ롣ǥϥǥ
θ򴹤Ȥ른ͥ졼ֹˤäƼ̤롣
.IP \fBFDTWADDLE\fP
ߥäδ֥ɥ饤֤Υ⡼Υåڤ롣ϥǥΥ
ƱΤܶᤷƤǥΥΤɬפǤ
.IP \fBFDSETDRVPRM\fP
ɥ饤֤͡ʥѥ᡼򥻥åȤ롣
.IP \fBFDGETDRVPRM\fP
(\fBFDSETDRVPRM\fP ȤäƥåȤ)ѥ᡼ɤߤ
.IP \fBFDGETDRVSTAT\fP
å夵Ƥɥ饤֤ξ(ǥθ򴹡饤ȥץƥȤ
)롣
.IP \fBFDPOLLDRVSTAT\fP
ɥ饤֤ݡ󥰤ơξ֤֤
.IP \fBFDGETFDCSTAT\fP
եåԡȥ顼ξ֤롣
.IP \fBFDRESET\fP
եåԡȥ顼Ǥ֤˥ꥻåȤ롣
.IP \fBFDRAWCMD\fP
եåԡȥ顼٥Υޥ(raw command)롣
.PP
ΤʾΤˤϡեåԡȥ顼Υޥ˥奢Ϥ
\fI<linux/fd.h>\fP  \fI<linux/fdarg.h>\fP 󥯥롼ɥե⻲ȤΤȡ
.SH ե
/dev/fd*
.SH 
͡ʥǥΥפ͡ʼΥեޥåȤɤ߽񤭤Ƥ
롣⤷֤Υåפ褦˥եåԡե
ޥåȤ줿ʤСȥåΤΥ˿ɬפˤʤ뤿ǽ
ɤˤϡ󥿡꡼֥ɡեޥå
(interleaved format) Ѥ롣
.\" .SH 
.\" Alain Knaff (Alain.Knaff@imag.fr), David Niemi
.\" (niemidc@clark.net), Bill Broadhurst (bbroad@netcom.com).
.SH Ϣ
.BR chown (1),
.BR floppycontrol (1),
.BR getfdprm (1),
.BR mknod (1),
.BR superformat (1),
.BR mount (8),
.BR setfdprm (8)

.\" .SH 
.\"   <ishikawa@linux.or.jp>