Re: disassembling the MPS 1230 firmware

From: Ruud Baltissen (
Date: 2001-08-02 14:28:32


Laser sent me a picture with the main ICs:
- 27C512
- MB674213U
- D7810HG

The last one is IMHO the processor/micro-controller. The NEC site gave me
nothing, most probably the IC is too old to be worth mentioning. Using
Google I got this usefull paper:

The MB674213U is a custom IC IMHO. Notice the code starts with MB67 as does
the code of the diskcontroller of the 1541.

Tip: ask for more info on a micro-controller orientated newsgroup (but which

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