EP45C-DS3 Vcore steps ??

[ea3ot]

Im in my first,s overcloking steps. Call me idiot but how I must to do for increase my Vcore. I need 1.33 v on the Bios . What I see on Bios concerning Vcore
is:
Vcore 1.250v ( default)
When I change to normal the windows displays;
Auto or normal and below that;
0.50000
0.50625
0.51250
0.51875
0.52500
0.53125
Im trying to overclok a QX9650 whit 2x2 Gb Ram DDR 3 . My main problem is I can,t go any higer 360 FSB. Till 360 all is fine, but whit the default values thats the max FSB I can reach. and I want to test increasing the Vcore. Thanks guys.

[Chike]

Re: EP45C-DS3 Vcore steps ??

The value should be absolute.
Type 1.25 then you can increase/decreasw with page up/down keys

EDIT: the list is scrollable it is just faster entering it directly.
EDIT2: some values are best set manually and not left on auto, read http://forums.tweaktown.com/295784-post5.html

[ea3ot]

Re: EP45C-DS3 Vcore steps ?? Overcloking a qx9650

Yes thanks. I scroll up and down , perfect. I finally I can reach 400 FSB stable. Now the problem is the RAM. Im using 2x2gb Corsair DDR3 at 1600. The 400 FSB RAM multiplier go to x4 to get 400x4=1600 but I get only 3xx400 beacouse at x4 I cant boot the PC.... I guess I must change more thinks but I am mislead !!! whit that nw problem and I don know how to resolve this problem

[Lsdmeasap]

Re: EP45C-DS3 Vcore steps ??

Give us your full settings you are trying in a template from my signature, then we can advise back settings for you to try

[ea3ot]

Re: EP45C-DS3 Vcore steps ??





Vcore: 1.3375 v
CPU Termination: 1.300 V
MCH Core: 1.200 V
VDRAM: 1.800 v
I cant go in the RAM with 400x4=1600, Max is 400x3.3D=1333.4. Every time I go to x4 to reach 1600 the pc not boot up and the Bios reset,s. I have a manual insert for the Corsair latency.s even the VDRAM ( 1,8 v). Corsair XMS3 DHX CM3X2G1600C9DHX. ( 9-9-9-24)

[Chike]

Re: EP45C-DS3 Vcore steps ??

I am looking at thememory support list and the modules that were tested for DDR-1600 are DDR-2000 mudules.
What is the BIOS version?
Please use the template in this post to post your full BIOS settings.

[ea3ot]

Re: EP45C-DS3 Vcore steps ??

I am looking at thememory support list and the modules that were tested for DDR-1600 are DDR-2000 mudules.
What is the BIOS version?
Please use the template in this post to post your full BIOS settings.

et me tell you my last test. I have increased de FSB to 450 ( stable) , With this FSB the Ram is 1500 almost 1600. My CPU multiplier is 8 that means I have the micro in 3.6 Ghz. whit a RAM 1500. In my opinion the basic problem is this x4 multiplier. If I use x3.3 as you see no problemes , Why x4 dont work? I dont know but it seems dont like my MB. The RAM comes up to 1500 and probably 1600 increasing the FSB but not with x4 multiplier, to me the best must be FSB 400 and Ram 400X4= 1600. BUt no way whit this multi. Any idea??




Motherboard: Model: Rev#: Bios Version: F2
Cpu: Mode Intel QX 9659
Ram: Brand, Model/Part#, Link to your ram's specs. Corsair,2x2GB DDR3 1600 ( 9-9-9-24)
Power Supply Unit: Brand, Model#, Wattage

note: replace all ?? with the value displayed in your bios.
----> Replace "Auto" with manually set values.

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster -------------- : [Auto]
CPU Clock Ratio ---------------------- : [8]
Fine CPU Clock Ratio ----------------- : [0.0] <-- ignore if not available
CPU Frequency ---------------------: #### 3.600 Mhz

Clock Chip Control
Standard Clock Control
CPU Host Clock Control --------------- : [Enabled]
CPU Host Frequency (Mhz) --------------: [450]
PCI Express Frequency (Mhz) ---------- : [Auto] <--- Set to 100

C.I.A.2 ------------------------------ : [Disabled]

Advanced Clock Control ------- [Press Enter]
CPU Clock Drive ---------------------- : [???]
PCI Express Clock Drive -------------- : [???]
CPU Clock Skew (ps) ------------------ : [???]
MCH Clock Skew (ps) ------------------ : [???]

DRAM Performance Control
Performance Enhance ------------------- : [Standar]
Extreme Memory Profile --- (X.M.P.) --- : [Disabled]
(G)MCH Frequency Latch ---------------- : 400
System Memory Multiplier -------------- : 3,33D
Memory Frequency (Mhz) ---------------- : [Auto] 1066----1500
DRAM Timing Selectable ---------------- : MANUAL

Standard Timing Control
CAS Latency Time -------- ?? ---------- : 9
tRCD ------------------- ?? ---------- : 9
tRP --------------------- ?? ---------- : 9
tRAS ------------------- ?? ---------- : 24

Advanced Timing Control
tRRD ------------------- ?? ---------- : [Auto]
tWTR ------------------- ?? ---------- : [Auto]
tWR --------------------- ?? ---------- : [Auto]
tRFC ------------------- ?? ---------- : [Auto]
tRTP ------------------- ?? ---------- : [Auto]
Command Rate (CMD) -------------------- : [Auto] <--- Auto or 0 is OK

Driving Strength Profiles
Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking

Channel A
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Channel B
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Motherboard Voltage Control
CPU
Voltage Types------------ Normal -------- Current -----
Load-Line Calibration ----------------- : [Disabled]
CPU Vcore --------------- ?.????? ---- : 1.337,50

CPU Termination --------- ?.???V* ----- : 1.300
CPU PLL ----------------- ?.???V* ----- : [Auto]

CPU Reference ----------- ?.???V* ----- : [Auto]
CPU Reference2 ---------- ?.???V* ----- : [Auto]

MCH/ICH
MCH Core ---------------- ?.???V ------- : 1.200
MCH Reference ----------- ?.???V ------- : [Auto]
MCH/DRAM Ref ------------ ?.???V ------ : [Auto]
ICH I/O ----------------- ?.???V ------- : [Auto]
ICH Core ---------------- ?.???V ------- : [Auto]
DRAM
DRAM Voltage ------------ ?.???V ------- : 1.800
DRAM Termination -------- ?.???V ------- : [Auto]
Channel A Reference ----- ?.???V ------- : [Auto]
Channel B Reference ----- ?.???V ------- : [Auto]

Advanced Settings
Limit CPUID Max. to 3 ------------------ : [Disabled]
No-Execute Memory Protect -------------- : [Enabled]
CPU Enhanced Halt (C1E) ---------------- : [Disabled]
C2/C2E State Support ------------------- : [Disabled]
x C4/C4E State Support ----------------- : [Disabled]
CPU Thermal Monitor 2 (TM2) ------------ : [Enabled]
CPU EIST Function --------------------- : [Disabled]
Virtualization Technology -------------- : [Disabled]

Integrated Peripherals
Legacy USB Storage Detect ------------- : [Disabled]


Edited. It seems 450 is no really stable and some times the Pc dont boot. I have reduced to 445 and for the moment is OK. I have also switched the Frecuency Memory Latch to 333 and 3.20 multiplier. This config geve me a 1420 RAM with 5:8 divider.

[Chike]

Re: EP45C-DS3 Vcore steps ??

You can try other strap multipliers as well, maybe 4.00B will work or 3.33C.
Try increasing MCH Core, 1.24v or more is often needed for 400+MHz FSB, and/or more than 2x1GB memory configurations.

Don't leave CPU PLL on auto, set it to default or one step higher.

[Lsdmeasap]

Re: EP45C-DS3 Vcore steps ??

You really need to fill out the full template, you left out settings we need to see to be sure you are starting in the right place.

Mainly this, please fill out with the settings you see in the BIOS
Advanced Clock Control ------- [Press Enter]
CPU Clock Drive ---------------------- : [???]
PCI Express Clock Drive -------------- : [???]
CPU Clock Skew (ps) ------------------ : [???]
MCH Clock Skew (ps) ------------------ : [???]

Your best bet is to use 3.33D, then you will need to make several other changes and increase your overclock to 480 if you want 1600. This may not be possible for you, and you may not be able to use the 4.00B multi with your memory, so you may have to settle with 1500Mhz range.

[ea3ot]

Re: EP45C-DS3 Vcore steps ??

You can try other strap multipliers as well, maybe 4.00B will work or 3.33C.
Try increasing MCH Core, 1.24v or more is often needed for 400+MHz FSB, and/or more than 2x1GB memory configurations.

Don't leave CPU PLL on auto, set it to default or one step higher.

I set CPU PLL in 1.54 manual now. ( the default value was 1.500)
The 4.00B multiplier crash de sytem even if I select 333 or 400 the Frecuency Latch Memory. No way to use this multiplier about 350 FSB

[ea3ot]

Re: EP45C-DS3 Vcore steps ??

You really need to fill out the full template, you left out settings we need to see to be sure you are starting in the right place.

Mainly this, please fill out with the settings you see in the BIOS
Advanced Clock Control ------- [Press Enter]
CPU Clock Drive ---------------------- : [???]
PCI Express Clock Drive -------------- : [???]
CPU Clock Skew (ps) ------------------ : [???]
MCH Clock Skew (ps) ------------------ : [???]

Your best bet is to use 3.33D, then you will need to make several other changes and increase your overclock to 480 if you want 1600. This may not be possible for you, and you may not be able to use the 4.00B multi with your memory, so you may have to settle with 1500Mhz range.

CPU Clock Drive ---------------------- : 800
PCI Express Clock Drive -------------- : 900
CPU Clock Skew (ps) ------------------ : 0ps
MCH Clock Skew (ps) ------------------ : 0ps

Till now I cant use x4.00B multi with 3333 or 400 about 350 FSB, beacouse it crash the system. At the moment Im using 333 Lacth x 3.20 and FSB of 445 ( 450 crash ), and is ok. but I want to be sure if Im able tu reach or not 1600 memory speed.

[Chike]

Re: EP45C-DS3 Vcore steps ??

Have you ran any stress tests, if yes what kind and what are core temps during the tests?

[Chike]

Re: EP45C-DS3 Vcore steps ??

Till now I cant use x4.00B multi with 3333 or 400 about 350 FSB, beacouse it crash the system. At the moment Im using 333 Lacth x 3.20 and FSB of 445 ( 450 crash ), and is ok. but I want to be sure if Im able tu reach or not 1600 memory speed.

You may need more MCH Core, and/or VTT, and/or adjust MC/CPU references.

Please add your system specs to your forum signature.

[ea3ot]

Re: EP45C-DS3 Vcore steps ??

Have you ran any stress tests, if yes what kind and what are core temps during the tests?

from 40 Idle to 56 full load

[Chike]

Re: EP45C-DS3 Vcore steps ??

Full load being Prime95/OCCT?