====== Hard Drive Controllers ======

For the small boards found within Hard Drives, which control the internal functions of said drive. It turns out that these controllers often feature relatively powerful ARM-based chips, which can be exploited for EOPs.

===== Marvell “CN” Controllers =====

==== Operating Systems (ARM9-like Feroceons x2, Cortex-M3 x1) ====

=== Linux thru JTAG ===

>there's also an uart, for the serial port, and at least two SPI interfaces

Running a Linux MMU-less kernel on a hard drive controller. Hard to say more about this, as mind blowing as it may be.

https://spritesmods.com/?art=hddhack&page=1