Those in re circles are coated heatsink... the bottom red circle is the northbridge and tes it does get hot but shouldn't be passing 66*C... I got the same board with an i7 950 and i assume yours is too... It shouldn't be passing 65*C.. i Overclocked mine and it never passes 64*C and it's stuck right at 64*C MAX and around 59-60*C idle... I would recommend using a 40MM to cool it down and it does give you stability of OC... IF NorthBridge ever get 70*C, get a 40MM fan to blow on it otherwise your OC ain't ganna be stable... If you want to OC yours, use my settings
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XD BTW it's at 3.8GHz:
Asus SaberTooth X58 - i7 950
CPU-3841MHz, RAM-2009MHz
Ai Overclock Tuner - Manual
CPU Ratio Setting - 23(If you want 1800MHx set this to 21)
Intel (R) SpeedStep (TM) Tech - Enabled
Intel (R) Turbo Mode Tech - Enabled
BCLK Frequency - 167(If you want 1800MHz set this to 181)
PCIE Fequency - 100
DRAM Frequency - DDR3 - 2009MHz
DRAM CAS# Latency - 9
DRAM RAS# to CAS# Delay - 10(Original is 9, have to get it stable with 10)
DRAM RAS# PRE Time - 9
DRAM RAS# ACT Time - 24
NOTE: My RAM is Kingston Hyper X 1800MHz... I also OC it to 2009MHz and is stable with 6 passes with memtest64 tested at boot with no error...
CPU Voltage 1.21875v(May require a bit or a bit less voltage)
CPU PLL Voltage - Auto
QPI/DRAM Voltage - Auto
IOH Voltage - Auto
IOH PCIE Voltage - Auto
ICH Voltage - Auto
ICH Voltage - Auto
DRAM Bus Voltage - 1.60v
DRAM DATA REF Voltage on CHA - Auto
DRAM CTRL REF Voltage on CHA - Auto
DRAM DATA REF Voltage on CHB - Auto
DRAM CTRL REF Voltage on CHB - Auto
DRAM DATA REF Voltage on CHC - Auto
DRAM CTRL REF Voltage on CHC - Auto
Load-Line Calibration - Enabled
CPU Differential Amplitude - Auto
CPU Clock Skew - Auto
CPU Spread Spectrum - Disabled
IOH Clock Skew - Auto
PCIE Spread Spectrum - Disabled
C1E Support.................. = [Disabled]
Hardware Prefetcher.......... = [Enabled]
Adjacent Cache Line Prefetch. = [Enabled]
Intel(r) Virtualization Tech. = [Enable]
CPU TM Function.............. = [Enable]
Execute Disable Bit.......... = [Enabled]
Intel(r) HT Technology....... = [Enabled]
Active Processor Cores....... = [All]
A20M......................... = [Disabled]
Intel(r) SpeedStep(tm) Tech.. = [Enabled]
Intel(r) C-STATE Tech........ = [Disabled]