fatfs v0.04 Feb 04, 2007:

- Supported multiple drive system.
- Changed some APIs for multiple drive system.
- Added f_mkfs().

doc/en/dwrite.html

@@ -15,9 +15,10 @@
 <p>The disk_write writes sector(s) to the disk.</p>
 <pre>
 DRESULT disk_write (
-  const BYTE* <em>Buffer</em>,  // Pointer to the data to be written.
-  DWORD <em>SectorNumber</em>,  // Sector number to write.
-  BYTE <em>SectorCount</em>     // Number of sectors to write.
+  BYTE <em>Drive</em>,          /* Physical drive number */
+  const BYTE* <em>Buffer</em>,  /* Pointer to the read buffer */
+  DWORD <em>SectorNumber</em>,  /* Sector number to write */
+  BYTE <em>SectorCount</em>     /* Number of sectors to write */
 );
 </pre>
 </div>
@@ -25,6 +26,8 @@ DRESULT disk_write (
 <div class="para">
 <h4>Parameters</h4>
 <dl class="par">
+<dt>Drive</dt>
+<dd>Specifies the physical drive number to write.</dd>
 <dt>Buffer</dt>
 <dd>Pointer to the data to be written.</dd>
 <dt>SectorNumber</dd>