HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
INT 13,12 - Controller RAM Diagnostic (XT & portable only)        AH = 12h        on return:        AH = status  (see INT 13,STATUS)        CF = 0 if successful           = 1 if error
Esc or Alt-X to exit	int 13,12	Home/PgUp/PgDn/End ←↑↓→

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