INT 16 - CtrlAlt Associates EGAPAL.COM v1.00 - INSTALLATION CHECK
AX = CA00h
BX = 6570h ("ep")
CX = 6570h
Return: AX = CAFFh if installed
BX = segment of resident code
CX = ??? (0090h)
Note:   EGAPAL is a TSR supplied with STACKEY which makes EGA palette settings
permanent across mode switches

See also: 16CA00

16CA00BX6570 - CtrlAlt Associates EGAPAL.COM v1.00 - INSTALLATION CHECK