Serial Flash (Hardware): Difference between revisions

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Revision as of 07:31, 4 January 2025

The PS4 contains at least one Serial Flash chip, and depending on the motherboard model can also have one for a SATA Bridge, one for a USB 3.0 Hub, one for a Communication Processor or even more on prototype motherboards.

Main Serial Flash

SATA Bridge Serial Flash

A serial flash chip contains the firmware and configuration for the SATA bridge device to which it is connected.

SATA Bridges models on PS4:

USB 3.0 Hub Serial Flash

A serial flash chip contains the firmware and configuration for the USB 3.0 hub device to which it is connected.

USB 3.0 Hubs models on PS4:

Remarks

Serial flash chips used in PS4 have several OTP/blocking options according to datasheets, but they seem not used, as seen when handling flash or replacing flash itself.

Spare parts