Kontron COMe-cSP2 - Manual (Page 51)

COMe-cSP2 / Special Features
46
SD card compatibility
Due to the mechanical variability with different SD card manufacturers, Kontron recommends that miniSD cards from
the following vendor for use with the COMe-cSP2:
» Transcend
» Apacer
» Elecom
» Hidata
The use of miniSD cards from other manufacturers may cause difficulty when ejecting the cards from the on-module
mini SD card socket.
This note applies to modules of the following part numbers:
» 36003-0000-11-4
» 36003-0000-16-4.
SD recommendations
» The SD_CMD line needs a pull-up resistor that can vary depending on the length of the electrical paths
(typical from 10kOhm to 100kOhm).
» The maximum length for SDIO signals on the baseboard should be 80mm
» SDIO boot is supported on baseboards following the maximum length specification for SDIO (80mm).