Advantech SOM-7532 User Manual page 86

40. B57 could be an optional pin reserved for SD_SDIO_WP. Please contact FAE
for details.
41. B63 could be an optional pin reserved for SD_SDIO_CD. Please contact FAE
for details.
42. B79 could be an optional pin reserved for eDP_BKLT_EN. Please contact FAE
for details.
43. B83 could be an optional pin reserved for eDP_BKLT_CTRL. Please contact
FAE for details.
44. B97 could be an optional pin reserved for GSPI_CS#. Please contact FAE for
details.
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