Seco COM-Express CCOMe-C79 User Manual page 54

SPI_CLK: Clock from COM Express Module to Carrier SPI device
SPI_MOSI: Data out from COM Express Module to Carrier SPI device
BIOS disable signals
According to COM Express Specifications rev. 3.0, there are two jumpers on board JP7 and JP8, which allow configuring the BIOS_DIS[0..1]# signals according
to the table below.
JP8 position JP7 position
Not inserted Not inserted
Not inserted Inserted
Inserted Not inserted
Inserted Inserted
CCOMe-C79
CCOMe-C79 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by E.S. Copyright © 2021 SECO S.p.A.
Chipset SPI CS1# Chipset SPI CS0#
Destination Destination
Module Module
Module Module
Module Carrier
Carrier Module
Carrier SPI_CS# SPI Descriptor
High Module
High Module
SPI0 Carrier
SPI1 Module
BIOS Entry
SPI0/SPI1
Carrier FWH
SPI0/SPI1
SPI0/SPI1
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