Cardtool.ini May 2026

Different devices (like magnetic stripe writers such as MSR605/MSR606 or RFID readers like ACR122U) require different settings in their INI files.

This defines how the disk is partitioned. A common point of failure for embedded systems is filling the disk. cardtool.ini allows engineers to reserve space to prevent this. cardtool.ini

[DiskConfig]
DiskType=Flash
Partition0=System, FAT32, 2048, Active
Partition1=Data, FAT32, 0
ReservedSectors=100

ReservedSectors: Sets aside sectors for the bootloader or recovery data.

With the decline of PCMCIA (replaced by ExpressCard, then USB), cardtool.ini is now mostly of historical and forensic interest. However: Different devices (like magnetic stripe writers such as