[SOLVED] Internal Oscillator selection problem

void INIT_TIMER(void)
{
 T1CON = 0; // Disable Timer1 for Clock and Reset.
 
 TMR1 = 0x0000; // Clear RTC Timer Register.
 PR1 = __T1_TIME; // Set Timer1 period register for 10ms
 T1CONbits.TCKPS = 1; // Set Timer1 Input Clock Prescale Select bits (1:8)

 IFS0bits.T1IF = 0; // Reset Timer 1 interrupt flag
 IPC0bits.T1IP = 7; // Set Timer1 interrupt priority level to 7
 IEC0bits.T1IE = 1; // Enable Interrrupt w.r.t Timer 1

 T1CONbits.TON = 1; // Enable Timer1
}


/* Timer Interrupt */
void __attribute__((__interrupt__,no_auto_psv)) _T1Interrupt(void)
{
 IFS0bits.T1IF = 0; //Clear Timer1 interrupt flag
 Flag.TimerDelay_10ms = 1;
 if(++ten_ms_cnt >= 100)
 {
  Clock();
  ten_ms_cnt = 0;
 } 
}

        _CONFIG2(POSCMOD_HS & I2C1SEL_PRI & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSDCMD & FNOSC_PRIPLL & PLL96MHZ_ON & PLLDIV_DIV2 & IESO_OFF)

void Timer1init()
{
    T1CON = 0x00; 			//Stops the Timer1 and reset control reg.
    TMR1 = 0x00; 			//Clear contents of the timer register
    //PR1 = 4000;				//Load the Period register with 1mSec counter 
    PR1 = SYSCLK/2/1000; //16000U;				//Load the Period register with 1mSec counter 32MHz clock
	IPC0bits.T1IP = 0x01; 	//Setup Timer1 interrupt for desired priority level
	// (This example assigns level 1 priority)
	IFS0bits.T1IF = 0; 		//Clear the Timer1 interrupt status flag
	IEC0bits.T1IE = 1; 		//Enable Timer1 interrupts
	T1CONbits.TON = 1; 		//Start Timer1 with prescaler settings at 1:1 and
							//clock source set to the internal instruction cycle
}

        _CONFIG2(POSCMOD_HS & I2C1SEL_PRI & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSDCMD & FNOSC_PRIPLL & PLL96MHZ_ON & PLLDIV_DIV2 & IESO_OFF)

        _CONFIG2(POSCMOD_HS & I2C1SEL_PRI & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSDCMD & FNOSC_FRCPLL  & PLL96MHZ_ON & PLLDIV_NODIV & IESO_OFF)