Comment by mmastrac 1 day ago Did the microcode disassembly find any useful backdoors to read microcode without decapping? 2 comments mmastrac Reply nand2mario 1 day ago Not really. The 386 does not have an interface to read the ROM direclty. Instead, it uses the Built-In Self-Test (BIST) to verify the ROM's contents. It's basically a checksum-like mechanism that verify the integrity of the CROM. NooneAtAll3 1 day ago there are several iterations of 386 and only one was disassembledso there's still a chance
nand2mario 1 day ago Not really. The 386 does not have an interface to read the ROM direclty. Instead, it uses the Built-In Self-Test (BIST) to verify the ROM's contents. It's basically a checksum-like mechanism that verify the integrity of the CROM.
NooneAtAll3 1 day ago there are several iterations of 386 and only one was disassembledso there's still a chance
Not really. The 386 does not have an interface to read the ROM direclty. Instead, it uses the Built-In Self-Test (BIST) to verify the ROM's contents. It's basically a checksum-like mechanism that verify the integrity of the CROM.
there are several iterations of 386 and only one was disassembled
so there's still a chance