Hardware test: Difference between revisions
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(Created page with "System ROM functionality. Navigate through screens by pressing '''start'''. Quit by resetting the system. =Crosshatch= See Crosshatch. =Color test= Can help diagno...") |
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=Backup clear= | =Backup clear= | ||
Press the A, B and C buttons at once to erase and format the [[backup RAM]. | Press the A, B and C buttons at once to erase and format the [[backup RAM]]. | ||
=Calendar setup= | =Calendar setup= | ||
Latest revision as of 09:36, 19 February 2017
System ROM functionality. Navigate through screens by pressing start. Quit by resetting the system.
Crosshatch
See Crosshatch.
Color test
Can help diagnose color issues.
I/O test
Allows to check joypad inputs, hardware DIPs, test and service buttons, the marquee and credits displays.
Warning: the inputs are active low. Ground = "1" = pressed.
Sound test
Plays an intermittent 524Hz tone on the left, right or both speakers. Recording: File:Testbeep.zip
Memory card test
...
Backup clear
Press the A, B and C buttons at once to erase and format the backup RAM.
Calendar setup
See RTC.