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<TITLE>Int 13/AH=05h
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Int 13/AH=05h - FLOPPY - FORMAT TRACK -
AH = 05h
AL = number of sectors to format
CH = track number
DH = head number
DL = drive number
ES:BX - address field buffer (see #00235)
Return: CF set on error
CF clear if successful
AH = status (see #00234)
Notes: on AT or higher, call AH=17h first
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<h2>Int 13/AH=05h
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<h3><font color=#C00040>FLOPPY - FORMAT TRACK</font></h3>
<PRE>
AH = 05h
AL = number of sectors to format
CH = track number
DH = head number
DL = drive number
ES:BX -> address field buffer <a href="rb-0610.htm#Table235" tppabs="http://www.ctyme.com/intr/rb-0610.htm#Table235">(see #00235)</a><br>
<p><b>Return:</b><br>CF set on error
CF clear if successful
AH = status <a href="rb-0606.htm#Table234" tppabs="http://www.ctyme.com/intr/rb-0606.htm#Table234">(see #00234)</a>
</PRE>
<p><b>Notes:</b>
On AT or higher, call AH=17h first.
The number of sectors per track is read from the diskette parameter
table pointed at by INT 1E
<p><b>BUG:</b>
Some old Compaq BIOSes have a bug when attempting to call this function
from Windows Standard Mode with EMM386 loaded. A possible workaround
is to call this function from Real Mode e.g. through DPMI function
"Call Real Mode function with FAR return" (see INT 31/AX=0301h).
<p><b>See Also:</b>
<a href="rb-0611.htm" tppabs="http://www.ctyme.com/intr/rb-0611.htm">AH=05h"FIXED"</a> - <a href="rb-0641.htm" tppabs="http://www.ctyme.com/intr/rb-0641.htm">AH=17h</a> - <a href="rb-0643.htm" tppabs="http://www.ctyme.com/intr/rb-0643.htm">AH=18h</a> - <a href="rb-2445.htm" tppabs="http://www.ctyme.com/intr/rb-2445.htm">INT 1E</a>
<PRE>
<p>
Format of floppy format address field buffer entry (one per sector in track):
<a name=table235></a>
Offset Size Description (Table 00235)
00h BYTE track number
01h BYTE head number (0-based)
02h BYTE sector number
03h BYTE sector size (00h=128 bytes, 01h=256 bytes, 02h=512, 03h=1024)
</PRE>
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