Table 3-3, S3_23 settings, Table 3-4 – Artesyn COMX-P2020 Installation and Use (July 2014) User Manual
Page 64: S3_14 settings, Table 3-5, S7_23 settings, Controls, leds, and connectors
Controls, LEDs, and Connectors
COMX-P2020 COM Express Module Installation and Use (6806800K97D)
64
OFF
ON
OFF
OFF
Reserved
OFF
OFF
ON
ON
Reserved
OFF
OFF
ON
OFF
Boot from 8-bit NOR Flash
OFF
OFF
OFF
ON
Boot from 16-bit NOR Flash
OFF
OFF
OFF
OFF
Boot from 16-bit NOR Flash
Table 3-3 s3_23 Settings
s3_23
Description
OFF
SPI Flash on the module disabled(Default)
ON
SPI Flash on the module enabled
Table 3-4 s3_14 Settings
s3_14
Description
OFF
SerDes #2 switch to COM-E PCI-E #2 (Default)
ON
SerDes #2 switch to GEPHY
Table 3-2 DIP Switch Setting (continued)
s2_23
s2_14
s1_23
s1_14
Description
To load Linux in the MicroSD, the following switches (s7_14 and s7_23) must be switched on.
Otherwise, Linux boot up will fail.
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-
block(179,2)
Rebooting in 180 seconds..
Table 3-5 s7_23 Settings
s7_23
Description
OFF
SD card write-disabled on the module (Default)
ON
SD card write-enabled on the module