It now provides a 6-byte Flash ID (FID) code, offering a more precise identification of memory chips compared to previous 4-byte versions.

Enhanced detection for popular controllers, including the Chipsbank CBM2099/CBM2199 and the latest Alcor AU6989SN-GTD/GTE chips.

The 4.21 update (specifically version 4.21.0701) introduced several vital improvements for more accurate diagnostics:

The tool includes (or links to) the FlashMaster application, which helps users assess the compatibility between specific flash chips and various controller models.