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Fdrawcmd.sys
Introduction
Fdrawcmd.sys is a floppy filter driver for Windows 2000/XP/2003/Vista.
The driver exposes command-level access to the µPD765a floppy disk controller, making it possible to read/write many non-standard and copy-protected disk formats from your own applications.
The driver is free for use by both commercial and non-commercial applications. Please contact me for further details.
Features
Traditionally DOS-only features include:
- Custom track formatting
- Mixed-sector sizes
- Zero-based sector numbers
- Non-standard ID header values
- Track layout scanning ordered from index hole
Advanced features unique to this driver:
- Writing CRC errors with specific sector contents
- Writing sectors with missing data fields
- Writing truncated sectors (e.g. 8K sectors on double-density tracks)
- Weak or partially weak sectors
- Duplicate sector numbers on the same track
- Mixed-mode track formatting
- Multi-pass track formatting for tighter formats
- 2-drive raw track reading of Amiga disks (Disk2FDI method)
Other benefits:
- Simple 3-click install/upgrade process, or silent no-click install
- No need to replace standard Windows floppy driver
- No need to disable virus-scanners for floppy access
Download
Version 1.0.1.9, last updated 9th February 2007 [changelog]
FdInstall.exe (107K) - installer for Windows 2000/XP/2003/Vista (x86 and x64)
Links
Applications known to use the driver:
- 1581Disk - Commodore 1581 disk utility
- adfread - Amiga disk reader by Toni Wilen
- Amiga Forever - Featured in the 2006 edition
- BkDisk - BK-0010/BK-0011 disk utility by Serge Vakulenko
- Casio Utilities - Casio pocket computer utility by Marcus von Cube
- CPCDiskXP - Amstrad CPC disk utility by Óscar Sanchez
- DPXTOOLS - Oberheim DPX-1 utilities by Kris Van de Cappelle
- Fdio - HP9845 disk utility by Ansgar Kückes
- floimg - Atari ST disk utility by Pera Putnik
- HCDisk - HC disk utility by George Chirtoacã
- LibDsk - John Elliott's floppy disc / disc image access library
- ManageDsk - Ludovic Deplanque's EDSK disk utility
- mdisk (Yahoo group) - Mirage disk utility by Craig Vanderborgh
- PALE - Camputers Lynx emulator by Pete Todd
- RealSpectrum - Sinclair Spectrum emulator from Ramsoft
- SamDisk - SAM Coupé disk utility
- SimCoupe - SAM Coupé emulator for Windows/Mac/Un*x/...
- Vcc - Tandy Color Computer 3 emulator by Joseph Forgione
- WinTRD - TR-DOS utilities by Alexandr Medvedev
- WinUAE - Windows port of the UAE Amiga Emulator
Simon Owen
simon@simonowen.com
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