To upgrade firmware to version 2.4_07 change fine name of sio2sd_2.4_07.bin to SIO2SD.BIN and follow upgrade procedure described below.
File sio2sd_all_2.4._07.bin is for perform firmware upgrade using chip programmer device.

HOW TO UPGRADE FIRMWARE
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To perform firmware upgrade, just put SIO2SD.BIN  into the root directory of your SD card, then insert card with this file and press SHIFT+ K2 (firmware upgrade) keys combination. Note: the directory named ATARI must be present on the card or else SIO2SD won't recognize the card and won't perform the upgrade.

Enjoy !!!

ATARI Fan Store
http://afs.atari.org

