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Express-BASE User’s ManualPage 38

7.2 SPI Secondary BIOS - COM.0 Rev. 2.0

SPI is supported by PICMG COM.0 Rev. 2.0 to provide a Secondary BIOS for COM Express

Rev 2.0 modules that support a SPI Secondary BIOS.

When using SPI Secondary BIOS, the FWH BIOS chip must be removed from the carrier

board. If the FWH BIOS chip is not removed, the COM Express module may not boot

correctly.

To use the BIOS on the module:

f Short pins 1-2 on both JPZ5 and JP2.

To use the SPI BIOS on the carrier board:

f Short pins 2-3 on JPZ5 pins 1-2 on JP2.

Open the SPI BIOS socket and insert the

secondary BIOS flash chip.

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Adlink Express-BASE Bedienungsanleitung Seite 38