Thanks for all of your input. Below is the script I will use.

$PCMICANT = READVALUE("HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Pcmcia","Start")
$PCMCIA9X0 = ExistKey("HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\PCMCIA\0000")
$PCMCIA9X1 = ExistKey("HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\PCMCIA\0001")

IF @INWIN=1 AND $PCMICANT = 0
GOSUB LAPTOPNT
ENDIF

IF @INWIN=2 AND $PCMCIA9X0 = 0 OR $PCMCIA9X1 = 0
GOSUB LAPTOP9X
ENDIF

:END
EXIT

:LAPTOPNT
?"THIS IS A NT/2000 LAPTOP"
SLEEP (10)
RETURN

:LAPTOP9X
?"THIS IS A 9X LAPTOP"
SLEEP (10)
RETURN