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AX = 1500h CH = 90h (function number) BX = 1234h (magic value for CDBLITZ)
Return:
CX = 1234h if installed CF clear DX = BCD version number (DH = major, DL = minor)
Program: CDBLITZ is a CD-ROM cache by Blitz 'n' Software, Inc.
See Also: AX=1500h/CH=99h
Category: Caches/Spoolers - Int 2Fh - C

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