diff -r bb5696abab23 -r d706e16a79c0 Hardware/LPC/F718XX.cs
--- a/Hardware/LPC/F718XX.cs	Mon Mar 01 22:12:29 2010 +0000
+++ b/Hardware/LPC/F718XX.cs	Tue Mar 02 20:32:24 2010 +0000
@@ -56,7 +56,8 @@
 
     // Hardware Monitor Registers
     private const byte VOLTAGE_BASE_REG = 0x20;
-    private const byte TEMPERATURE_BASE_REG = 0x72;
+    private const byte TEMPERATURE_CONFIG_REG = 0x69;
+    private const byte TEMPERATURE_BASE_REG = 0x70;
     private byte[] FAN_TACHOMETER_REG = new byte[] { 0xA0, 0xB0, 0xC0, 0xD0 };
     
     private byte ReadByte(byte register) {
@@ -75,16 +76,27 @@
             new ParameterDescription("Offset", "Temperature offset.", 0)
           });
 
-      fans = new Sensor[4];
+      fans = new Sensor[chip == Chip.F71882 ? 4 : 3];
       for (int i = 0; i < fans.Length; i++)
         fans[i] = new Sensor("Fan #" + (i + 1), i, SensorType.Fan, this);
 
-      voltageGains = new float[] { 1, 0.5f, 1, 1, 1, 1, 1, 1, 1 };
-      voltages = new Sensor[4];
-      voltages[0] = new Sensor("VCC3V", 0, SensorType.Voltage, this);
-      voltages[1] = new Sensor("CPU VCore", 1, SensorType.Voltage, this);      
-      voltages[2] = new Sensor("VSB3V", 7, SensorType.Voltage, this);
-      voltages[3] = new Sensor("Battery", 8, SensorType.Voltage, this);
+      switch (chip) {
+        case Chip.F71858:
+          voltageGains = new float[] { 1, 1, 1 };
+          voltages = new Sensor[3];
+          voltages[0] = new Sensor("VCC3V", 0, SensorType.Voltage, this);
+          voltages[1] = new Sensor("VSB3V", 1, SensorType.Voltage, this);
+          voltages[2] = new Sensor("Battery", 2, SensorType.Voltage, this);
+          break;
+        default:
+          voltageGains = new float[] { 1, 0.5f, 1, 1, 1, 1, 1, 1, 1 };
+          voltages = new Sensor[4];
+          voltages[0] = new Sensor("VCC3V", 0, SensorType.Voltage, this);
+          voltages[1] = new Sensor("CPU VCore", 1, SensorType.Voltage, this);
+          voltages[2] = new Sensor("VSB3V", 7, SensorType.Voltage, this);
+          voltages[3] = new Sensor("Battery", 8, SensorType.Voltage, this);
+          break;
+      }
     }
 
     public string GetReport() {
@@ -121,15 +133,42 @@
         else
           DeactivateSensor(sensor);
       }
-
+     
       foreach (Sensor sensor in temperatures) {
-        sbyte value = (sbyte)ReadByte((byte)(
-          TEMPERATURE_BASE_REG + 2 * sensor.Index));
-        sensor.Value = value + sensor.Parameters[0].Value;
-        if (value < sbyte.MaxValue && value > 0)
-          ActivateSensor(sensor);
-        else
-          DeactivateSensor(sensor);
+        switch (chip) {
+          case Chip.F71858: {
+              int tableMode = 0x3 & ReadByte((byte)(TEMPERATURE_CONFIG_REG));
+              int high = 
+                ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * sensor.Index));
+              int low =
+                ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * sensor.Index + 1));              
+              if (high != 0xbb && high != 0xcc) {
+                int bits = 0;
+                switch (tableMode) {
+                  case 0: bits = 0; break;
+                  case 1: bits = 0; break;
+                  case 2: bits = (high & 0x80) << 8; break;
+                  case 3: bits = (low & 0x01) << 15; break;
+                }
+                bits |= high << 7;
+                bits |= (low & 0xe0) >> 1;
+                short value = (short)(bits & 0xfff0);
+                sensor.Value = value / 128.0f;
+                ActivateSensor(sensor);
+              } else {
+                DeactivateSensor(sensor);
+              }
+          } break;
+          default: {
+            sbyte value = (sbyte)ReadByte((byte)(
+              TEMPERATURE_BASE_REG + 2 * (sensor.Index + 1)));
+            sensor.Value = value + sensor.Parameters[0].Value;
+            if (value < sbyte.MaxValue && value > 0)
+              ActivateSensor(sensor);
+            else
+              DeactivateSensor(sensor);
+          } break;
+        }
       }
 
       foreach (Sensor sensor in fans) {