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PENTAX Firmware Update Software for OptioA20
Optio A20
Downloading of Firmware
Latest OptioA20 Firmware Update
March, 2006
Thank you for using a PENTAX OptioA20 digital camera. PENTAX wishes to announce the release of Firmware Update Software Version 1.01 for optioA20 Firmware in this document is the software that runs inside digital camera
Name PENTAX Firmware Update Software for OptioA20
Registered name a2_e101w.exe ( For Windows 4.161Kbytes)
a2_e101m.hqx ( For Mac 5.229Kbytes)
Applied product OptioA20
Updated firmware file For Windows : LHA self-extract file
For Mac : BinHex type
Release date 2007/03/15

Updateable Products

    OptioA20 digital camera with a firmware version number 1.00 To check the version number, turn ON the camera while holding down the Menu button, the version number will appear in the center of the LCD screen
Changes to V.1.01
    Compatible with SDHC memory card which size exceed 4GB
    Only OptioA20 users are permitted to download the firmware update.
Preparation of update
  1. Prepare a SD memory card with minimum memory capacity of 16MB for use in updating. This SD memory card should be freshly formatted by your camera.
  2. USB cable (I – USB17)
  3. Have your AC adapter (K-AC8) ready for use during the update, or make sure your batteries are fresh and have a full charge. If the power of the camera goes off due to a battery power shortage or any other reason during updating, the camera may become in-operatable unless repaired. If a repair is required as a result of a power shortage or mishandling during firmware updating, repair fees will be charged even if the camera is still under warranty

Download file
    Optio A20: a2_e101w.exe ( For Windows) - Self-extract file
      a2_e101m.hqx (For Mac) - StuffIt Expander is required to extract the file

    For download the StuffIt Expander, please visit the URL below.
Extract download file
    The download file will be generated once the downloaded file is extracted by double-clicking Readme.txt: The text file that explained update procedure in details. Fwdc160p.elf: This is the Updated firmware.
Copy updated firmware to SD card
    After formatting the SD card, copy the updated firmware to the route directory to the SD card
Update Firmware
    Please read the readme txt file attached to the firmware update before updating the firmware


Optio A20 :
  1. For Windows

    Download of Microsoft Windows Version software is here.

  2. Mac OS Version

    Download of Mac OS Version software is here.
  • PENTAX is a trademark of RICOH IMAGING COMPANY, LTD.
  • Optio is a trademark of RICOH IMAGING COMPANY, LTD.
  • All other brands or product names trademarks or registered trademarks of their respective companies.

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