- More details: https://forum.dangerousthings.com/t/types-of-hid-iclass-cards/12243
- SE to legacy Downgrade guide: https://github.com/RfidResearchGroup/proxmark3/blob/master/doc/hid_downgrade.md
- More information about data layout: https://web.archive.org/web/20220727184834/http://www.proxmark.org/files/proxclone.com/Spoofing_iClass_rev2.pdf
Picopass hardware. The PACS is blocks 6, 7, 8, 9. 6 is a config, 7 is the pacs data, but can overflow to 8. 9 has PIN, if applicable.