I've highlighted the ones in question.
Is there a better way to monitor these temps besides the sensors output on Xubuntu 12.04?
acpitz-virtual-0
Adapter: Virtual device
temp1: +40.0°C (crit = +75.0°C) ? This is always at 40C
atk0110-acpi-0
Adapter: ACPI interface
Vcore Voltage: +1.14 V (min = +0.85 V, max = +1.60 V)
+3.3 Voltage: +3.26 V (min = +3.00 V, max = +3.60 V)
+5.0 Voltage: +4.87 V (min = +4.50 V, max = +5.50 V)
+12.0 Voltage: +11.97 V (min = +11.20 V, max = +13.20 V)
ESATA Voltage: +1.82 V (min = +1.62 V, max = +1.98 V)
LAN PHY Voltage: +1.74 V (min = +1.62 V, max = +1.98 V)
CPU - NB HT Voltage: +1.26 V (min = +1.00 V, max = +1.60 V)
NB CORE Voltage: +1.22 V (min = +0.84 V, max = +1.56 V)
NB 2.5V Voltage: +2.59 V (min = +2.25 V, max = +2.75 V)
DDR2 TERM Voltage: +0.94 V (min = +0.54 V, max = +1.26 V)
SB CORE Voltage: +1.58 V (min = +1.35 V, max = +1.65 V)
SB PLL Voltage: +1.62 V (min = +1.05 V, max = +1.95 V)
DDR2 Voltage: +1.90 V (min = +1.08 V, max = +2.52 V)
CPU FAN Speed: 3515 RPM (min = 0 RPM)
CHA_REAR FAN Speed: 2700 RPM (min = 0 RPM)
CHA_FRONT FAN Speed: 2149 RPM (min = 0 RPM)
OPT1 FAN Speed: 0 RPM (min = 0 RPM)
OPT2 FAN Speed: 0 RPM (min = 0 RPM)
OPT3 FAN Speed: 1985 RPM (min = 0 RPM)
OPT4 FAN Speed: 3245 RPM (min = 0 RPM)
OPT5 FAN Speed: 0 RPM (min = 0 RPM)
CPU Temperature: +33.0°C (high = +90.0°C, crit = +125.0°C)
MB Temperature: +31.0°C (high = +45.0°C, crit = +90.0°C)
OPT1 Temperature: +0.0°C (high = +90.0°C, crit = +125.0°C)
OPT2 Temperature: +0.0°C (high = +90.0°C, crit = +125.0°C)
OPT3 Temperature: +0.0°C (high = +90.0°C, crit = +125.0°C)
k8temp-pci-00c3
Adapter: PCI adapter Ranges between 30 and 42
Core0 Temp: +33.0°C
Core1 Temp: +34.0°C