I've been overclocking my chip all night and noted the results down so, I'll post them up before I start talking. I haven't included the idle temperature, as I found them very irrelevant : Idle temperature vary a lot, but the full load always seems to be the same.
Equipment :
AMD Phenom II X4 965
Coolermaster Hyper 212 +
Antec 902
M4A88TD-V/EVO USB3 SATA 6Gb/s
PSU Kingwin LZ-1000KW (It's not the gold one)
Under-voltage profile : 3.4GHz @ 1.2625V. (34C/44C) <--- Facebook, Web browsing, Instant Messenger, etc.
Test #1 : 3.7GHz @ 1.44V. 53C Full load. Peaked at 57C. Prime95 for 40Minutes.
Test #2 : 3.8GHz @ 1.44V. 55C Full load. Peaked at 59C. Prime95 for 60Minutes
Test #3 : 3.9GHz @ 1.44V. 56-57C Full load. Peaked at 61C. Prime95 for 34Minutes.
Test #4 : 4GHz @ 1.44V. BSOD. Prime95 for less than 1Minute.
Test #5 : 4GHz @ 1.4525V. BSOD. Prime95 for 1Minute.
Test #6 : 4GHz @ 1.4775V. BSOD. Prime95 for 3Minutes.
Test #7 : 4GHz @ 1.48V. BSOD. Prime95 for 3Minutes.
Test #8 : 4GHz @ 1.49625V. BSOD. Prime95 for (I wasn't paying attention. :S)
Test #9 : 4GHz @ 1.5120V. BSOD. Prime95 for 8Minutes
Okay. So, time for me to start talking now .
How I overclocked : Set to 1.44V and kept raising the multiplier by 0.5x till BSOD on Prime95 leaving the CPU/HT Reference clock at 200MHz. So basically, I've hit a wall on overclocking solely through multiplier and voltage. (Few weeks ago, I did in fact hit 4GHz, with 1.55V+ , temperatures were at like 65-67C... or something. But, I simply do not feel like having a CPU running 1.55V at any time b'cuz I know it's VERY bad for the circuitry and the temperatures aren't even that good lol)
BIOS settings during overclocking phase:
PCIE Frequency : 100
DRAM Frequency 1333MHz
CPU/NB Frequency Auto
HT Link speed Auto
CPU & NB Voltage Mode Manual
CPU Voltage "Listed Above"
CPU/NB Voltage 1.100 [Auto]
CPU VDDA Voltage 2.500 [Auto]
DRAM Voltage 1.500 [1.500]
HT Voltage 1.200 [Auto]
NB Voltage 1.250 [Auto]
NB 1.1V Voltage 1.100 [Auto]
NB 1.8V Voltage 1.800 [Auto]
SB Voltage 1.100 [Auto]
SidePort Memory Voltage 1.500[Auto]
So I've actually been reading a bit on overclocking, and I've read that the NB and HT actually do play an important role in getting the setup stable. So I'd like to ask you guys what should I tweak in order to achieve a solid 4GHz with good temperatures without having an insane voltage.
Equipment :
AMD Phenom II X4 965
Coolermaster Hyper 212 +
Antec 902
M4A88TD-V/EVO USB3 SATA 6Gb/s
PSU Kingwin LZ-1000KW (It's not the gold one)
Under-voltage profile : 3.4GHz @ 1.2625V. (34C/44C) <--- Facebook, Web browsing, Instant Messenger, etc.
Test #1 : 3.7GHz @ 1.44V. 53C Full load. Peaked at 57C. Prime95 for 40Minutes.
Test #2 : 3.8GHz @ 1.44V. 55C Full load. Peaked at 59C. Prime95 for 60Minutes
Test #3 : 3.9GHz @ 1.44V. 56-57C Full load. Peaked at 61C. Prime95 for 34Minutes.
Test #4 : 4GHz @ 1.44V. BSOD. Prime95 for less than 1Minute.
Test #5 : 4GHz @ 1.4525V. BSOD. Prime95 for 1Minute.
Test #6 : 4GHz @ 1.4775V. BSOD. Prime95 for 3Minutes.
Test #7 : 4GHz @ 1.48V. BSOD. Prime95 for 3Minutes.
Test #8 : 4GHz @ 1.49625V. BSOD. Prime95 for (I wasn't paying attention. :S)
Test #9 : 4GHz @ 1.5120V. BSOD. Prime95 for 8Minutes
Okay. So, time for me to start talking now .
How I overclocked : Set to 1.44V and kept raising the multiplier by 0.5x till BSOD on Prime95 leaving the CPU/HT Reference clock at 200MHz. So basically, I've hit a wall on overclocking solely through multiplier and voltage. (Few weeks ago, I did in fact hit 4GHz, with 1.55V+ , temperatures were at like 65-67C... or something. But, I simply do not feel like having a CPU running 1.55V at any time b'cuz I know it's VERY bad for the circuitry and the temperatures aren't even that good lol)
BIOS settings during overclocking phase:
PCIE Frequency : 100
DRAM Frequency 1333MHz
CPU/NB Frequency Auto
HT Link speed Auto
CPU & NB Voltage Mode Manual
CPU Voltage "Listed Above"
CPU/NB Voltage 1.100 [Auto]
CPU VDDA Voltage 2.500 [Auto]
DRAM Voltage 1.500 [1.500]
HT Voltage 1.200 [Auto]
NB Voltage 1.250 [Auto]
NB 1.1V Voltage 1.100 [Auto]
NB 1.8V Voltage 1.800 [Auto]
SB Voltage 1.100 [Auto]
SidePort Memory Voltage 1.500[Auto]
So I've actually been reading a bit on overclocking, and I've read that the NB and HT actually do play an important role in getting the setup stable. So I'd like to ask you guys what should I tweak in order to achieve a solid 4GHz with good temperatures without having an insane voltage.