More then 5 InterruptPort s

Hi!

Im new tor the netduino comunity but i would like to know if there are only 5 InterruptPort available on the

netduino plus 2?

i have made a test program for the InterruptPorts since i need 6 of them.

using System;using System.Net;using System.Net.Sockets;using System.Threading;using Microsoft.SPOT;using Microsoft.SPOT.Hardware;using SecretLabs.NETMF.Hardware;using SecretLabs.NETMF.Hardware.Netduino;using Toolbox.NETMF.Hardware;namespace testinterupt.cs{    public class Program    {        static InterruptPort[] btn = new InterruptPort[6];        public static void Main()        {            btn[0] = new InterruptPort(Pins.GPIO_PIN_D4, false, Port.ResistorMode.PullUp, Port.InterruptMode.InterruptEdgeLow);            btn[0].OnInterrupt += ljud_OnInterrupt;            btn[1] = new InterruptPort(Pins.GPIO_PIN_D2, false, Port.ResistorMode.PullUp, Port.InterruptMode.InterruptEdgeLow);            btn[1].OnInterrupt += cinemaMode_OnInterrupt;            btn[2] = new InterruptPort(Pins.GPIO_PIN_A0, false, Port.ResistorMode.PullUp, Port.InterruptMode.InterruptEdgeLow);            btn[2].OnInterrupt += projector_OnInterrupt;            btn[3] = new InterruptPort(Pins.GPIO_PIN_D7, false, Port.ResistorMode.PullUp, Port.InterruptMode.InterruptEdgeLow);            btn[3].OnInterrupt += knobPuch_OnInterrupt;            btn[4] = new InterruptPort(Pins.GPIO_PIN_A2, false, Port.ResistorMode.PullUp, Port.InterruptMode.InterruptEdgeLow);            btn[4].OnInterrupt += knobPuch_OnInterrupt;            btn[5] = new InterruptPort(Pins.GPIO_PIN_A1, false, Port.ResistorMode.PullUp, Port.InterruptMode.InterruptEdgeLow);            btn[5].OnInterrupt += projector_OnInterrupt;            while (true)            {                Thread.Sleep(1000);                Debug.Print("main is alive");            }        }        public static void Knob_Rotated(uint Unused, uint value, DateTime Time)        {            Thread.Sleep(100);        }        public static void ljud_OnInterrupt(uint Unused, uint value, DateTime Time)        {            Thread.Sleep(100);        }        public static void cinemaMode_OnInterrupt(uint Unused, uint value, DateTime Time)        {            Thread.Sleep(100);        }        public static void projector_OnInterrupt(uint Unused, uint value, DateTime Time)        {            Thread.Sleep(100);        }        public static void knobPuch_OnInterrupt(uint d, uint e, DateTime r)        {        }    }}

Thanks Simon