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Hi, hope it helps:
7fO1OOOx MMU error
7fO2000x interrupt error
7fO3000x Access to Custom chip registers
7fO30001 Access to blitter
7fO30002 Access to Amiga-Audio Hardware
7fOSOOOx Error accessing the clock or the nonvolatile memory
7fOSOOOl Battery-backed memory can not be read (This message may, for example, after the exchange of battery on the CPU board occur)
7fOSOOO2 Battery-backed memory can not be initialized
7fOSOOO3 Serial number can not be read
7fOSOOOS Clock is not running
7fO7000x Various messages
7fO70002 bus timeout
7fO70003 Watchdog timer
7fO9000x keyboard failure
7fO900ql Wrong keyboard (not MF-II keyboard)
7fO90002 Faulty data from the keyboard
In your case, it is indeed a keyboard error. Remember that the keyboard must not be a PC XT one or first generation PC AT one, but the PC AT Multifunction II or also known as extended keyboard.
You should try with another keyboard to properly isolate the issue.
On the other hand, the message "you have the wrong harddisk and it is illegal" means that the HDD of your Casablanca is not the one that came with the unit. Most likely the vendor just took it away and put other one, or the HDD is failing. Anyway, that message can be fixed, by adding the proper serial number codes to the HDD, but that again means taking the HDD out and plugging it in a PC with a SCSI II interface.
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