Aeolia: Difference between revisions
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Revision as of 06:23, 13 February 2017
The Aeolia is a secondary processor acting as a sort of southbridge for the PS4. It is an ARM-based SoC produced by Marvell that handles several tasks to offload the main processor/APU:
- Network connections (Wireless and GbLAN, including background downloading -> PlayGo
- File handling (Bluray Drive, Harddrive and USB 3.0), including background caching
- Main serial flash handling
It is connected to its own DDR3 worker RAM ("sbram") K4B2G1646E-BCK0, the main serial flash MX25L25635FMI-10G, SATA bridge MB86C311B and GbLAN controller 88EC060-NN82 etc. see also File:PS4_-_SAA-001_diagram.png
CXD90025G - SCEI and Marvell naming
CXD90025G - sideview
CXD90025G - 20x20 BGA
CXD90025G - MRVL inside die detail
CXD90025G - MRVL inside die detail
CXD90025G - Marvell inside die detail
CXD90025G - pic05 - inside die overview
Source: Decapped by Chipworks, see their section on "Network Co-Processor"
This secondary processor was initially nicknamed MediaCon by the community before any official release because of its role of handling media (online Wireless/GbLAN, Bluray Drive and Harddrive) even in standby. Its official name is Aeolia, as mentioned in Orbis kernel logs.
The Aeolia is connected to the APU by PCI_Express x4. It runs its own FreeBSD system in standby mode, presumably activated to handle tasks such as downloading updates while the PS4 is in standby.
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