System self-test

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Revision as of 11:28, 22 February 2011 by Furrtek (talk | contribs) (Created page with "= AES = Crosshatch border colors: = MVS (SP-E VERSION 0) = Check order ? Possible errors: *WORK RAM ERROR (68k RAM) *BACKUP RAM ERROR (Battery-backed RAM) *COLOR RAM BANK0 ER…")
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AES

Crosshatch border colors:

MVS (SP-E VERSION 0)

Check order ?

Possible errors:

  • WORK RAM ERROR (68k RAM)
  • BACKUP RAM ERROR (Battery-backed RAM)
  • COLOR RAM BANK0 ERROR (First bank of 256 palettes)
  • COLOR RAM BANK1 ERROR (Second bank of 256 palettes)
  • VIDEO RAM ERROR (VRAM)
  • CALENDAR ERROR
  • SYSTEM ROM ERROR (BIOS ROM checksum fail)
  • MEMORY CARD ERROR
  • Z80 ERROR (no reply to sound command $01)
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