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Kontron COMe-cSP2 User Manual

Page 51

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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).