Artesyn MVME2502 Installation and Use (April 2015) User Manual Page 95

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Functional Description
MVME2502 Installation and Use (6806800R96E)
95
Factory Pre-Programming - Programming the SPI Flash usually takes a while. Ideally, the
SPI Flash should be pre-programmed in the factory before shipment.
ICT Programming - This programming is done on exposed test points using a bed of nails
tester.
4.6.3 Firmware Redundancy
The MVME2502 utilizes two physically separate boot devices to provide boot firmware
redundancy. Although the P2020 provides four SPI Bus chip selects, the P2020 is only capable
of booting from the SPI Device controlled by chip select 0. External SPI multiplexing logic is
implemented on the MVME2502 to accommodate this chipset limitation.
The board power should be switched on before programming. The switch S2-8 should also be
powered on to successfully detect the SPI Flash chip.
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