Adlink Express-BASE Manual de usuario descargar pdf (Pagina 37)

Page 37Express-BASE User’s Manual

To use the BIOS on the module:

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

7 Secondary BIOS

The Express-BASE supports Secondary BIOS using firmware hub (FWH) for COM.0 Rev. 1.0

modules and Serial Peripheral Interface (SPI) for COM.0 Rev. 2.0 modules. Secondary BIOS

solutions can be used as an alternative to the on-module BIOS and provide support for the

following:

f Testing new BIOS versions

f Development of firmware modifications

f Recovery if soldered BIOS on module is corrupted

7.1 FWH Secondary BIOS - COM.0 Rev. 1.0

The firmware hub (FWH) is supported by PICMG COM.0 Rev. 1.0 to provide a Secondary BIOS

or COM Express Rev. 1.0 modules that support a FWH Secondary BIOS (not supported by

COM.0 Rev.1.0 modules with SPI BIOS).

When using the FWH Secondary BIOS, the soldered BIOS on the module does not need

to be removed.

To use the FWH BIOS on the carrier board:

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

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Adlink Express-BASE Manual de usuario Pagina 37