5 firmware flashes, Figure 5-2, Intel cavecreek pch on atca-7470 block diagram – Artesyn ATCA-7470 Installation and Use (October 2014) User Manual
Page 128

Functional Description
ATCA-7470 Installation and Use (6806800P15K)
128
The following figure shows the I/O functions provided by Intel Cavecreek PCH and those used
on ATCA-7470.
5.5
Firmware Flashes
The Blade has two physically separate 8 MB flash devices hosting the BIOS firmware:
Primary (or Default BIOS) Flash (SPI 0)
Recovery BIOS Flash (SPI 1)
Figure 5-2
Intel Cavecreek PCH on ATCA-7470 Block Diagram