Am I doing this right? 965 BE Overclock to 3.8Ghz

This is my system specification:

CPU: AMD Phenom II X4 965 BE 3.4GHz Quad-Core
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing
Motherboard: ASRock 990FX Extreme3 ATX AM3+/AM3
Memory: G-Skill 8GB (2x4GB) DDR3 1600Mhz RipjawsX Memory Kit CL9
Video Card: MSI GTX 660 Ti Power Edition 2GB
Power Supply: XFX 550W ATX12V / EPS12V
Case: Casecom KM-6988 Black Mid Tower Case

Setting:

Cool'n'Quite: Disable
C13: Disable

CPU Frequency: 200 MHz
CPU Ratio: 19x
HT Bus Speed: 2000.00 MHz
NB Speed: 2400.00 MHz
DRAM Frequency: 1600 MHz

Vcore Voltage: 1.393v
CPU Voltage: 1.425v
HT Voltage: Auto
NB Voltage: Auto
DRAM Voltage: Auto

Temperature:

Idle: 28c
Active (Tested with OCCT at 100% CPU Usage, 3H): 43c

Result: Stable

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Just made a couple of changes and now running at 4.000 MHz

CPU Ratio: 19x

Vcore Voltage: 1.393v
CPU NB Voltage: 1.100v To 1.1125v
HT Voltage: Auto (1.210v)
NB Voltage: 1.100v To 1.145v
Dram Voltage: Auto (1.500v)


Idle: 31c
Active (Tested with OCCT at 100% CPU Usage, 3H): 50c

Result : Stable

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It's freezing here!!