Internal 8
Code:
DEFINE OSC 8  
ASM
 __CONFIG   _CONFIG1L, _PLLDIV_1_1L & _CPUDIV_OSC1_PLL2_1L & _USBDIV_2_1L
 __CONFIG   _CONFIG1H, _FOSC_INTOSCIO_EC_1H
 __CONFIG    _CONFIG2H, _WDT_OFF_2H & _WDTPS_512_2H
 __CONFIG    _CONFIG3H, _PBADEN_OFF_3H & _MCLRE_OFF_3H 
 __CONFIG    _CONFIG4L, _LVP_OFF_4L
 ENDASM
 OSCCON = %01110000