odd temp readings

[chaotic_uk]

just installed a new mobo (gigabyte ma770-ds3) , after a few hours use i checked the temps using HWMonitor . any one got any idea what the highlighted readings are for ?

ITE IT87 hardware monitor

Voltage sensor 0 1.38 Volts [0x56] (CPU VCORE)
Voltage sensor 1 2.11 Volts [0x84] (VIN1)
Voltage sensor 2 3.31 Volts [0xCF] (+3.3V)
Voltage sensor 3 5.08 Volts [0xBD] (+5V)
Voltage sensor 4 11.84 Volts [0xB9] (+12V)
Voltage sensor 5 -12.74 Volts [0xC7] (-12V)
Voltage sensor 8 3.04 Volts [0xBE] (VBAT)
Temperature sensor 0 38°C (100°F) [0x26] (TMPIN0) < mobo temp
Temperature sensor 1 43°C (109°F) [0x2B] (TMPIN1) < cpu temp
Temperature sensor 2 82°C (179°F) [0x52] (TMPIN2) < whats this reading ?
Fan sensor 0 3013 RPM [0xE0] (FANIN0)
Fan sensor 1 1089 RPM [0x26C] (FANIN1)
Fan sensor 2 1218 RPM [0x22A] (FANIN2)