GA-EP45-UD3P o/c and reboot problem

[valenciaendoor]

Hi all. I have recently bought a new system but i have some problems with it; i hope you can help me..
First, these are my components:
CPU:Q6600 G0 rev
Mobo:GA-EP45-UD3P
Memory:2*2 Mushkin DDR2 1066 mhz
GPU:Sapphire HD4830
Power Supply:FSP Blue Storm 500W
Case:Thermaltake Armor
CPU cooler:Glacialtech Igloo 5700

I want to run the system at 3.2 ghz, but when i change the values in the BIOS i have some issues. I make the changes and save and exit the BIOS, system seems like to start for 2-3 seconds but it reboots itself and then it enters Windows Vista without any problem. With the settings i made which i will give at the bottom the system passes OCCT 1 hour test and Prime95 Small FFTs for 12 hours without any errors. So, it seems that there is not a problem in the operating system or while testing the system but as i said earlier when i shut the system down at night and try to run the system on the day after it again seems to work for 2-3 seconds but again reboots itself and enters operating system. But, when i run the system for a few hours and so when it is hot and turn off the pc-not restart- it boots without any problem no need to reboot itself. So, what is wrong with it? It really annoys me too much and i would be very sincere to you if you could help me.

These are my settings:
BIOS Settings

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 8x
CPU Frequency ...........................: 3.2GHz (400*8)

Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 400
PCI Express Frequency (Mhz) .........: 100


Advanced Clock Control [Press Enter]
CPU Clock Drive...........................: 800mV
PCI Express Clock Drive.................: 900mV
CPU Clock Skew (ps)....................: 0ps
MCH Clock Skew (ps)...................: 0ps


DRAM Performance Control
Performance Enhance...................: [STANDARD]
Extreme Memory Profile (X.M.P.).....: Disabled
(G)MCH Frequency Latch...............: Auto(tried also 400)
System Memory Multiplier ..............: 2.66D
Memory Frequency (Mhz) ..............: 1066
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................: 5
tRCD .........................................: 5
tRP'...........................................: 5
tRAS..........................................: 15

Advanced Timing Control
tRRD........................................... Auto
tWTR.......................................... Auto
tWR............................................ Auto
tRFC.......................................... Auto
tRTP.......................................... Auto
Command Rate (CMD) ....................: Auto

Channels A & B (both are the same)
Static tRead Value......................: Auto
tRD Phase0 Adjustment................: 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
Dimm2 Clock Skew Control...............: Auto
DDR Write Training.........................: Auto

All the DIMM Driving options are Auto as well.

Motherboard Voltage ControlCPUMCH/ICHDRAMAdvanced Settings
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology................: [Enabled

[Lsdmeasap]

Re: GA-EP45-UD3P o/c and reboot problem

What model Mushkins do you have?

What BIOS are you using, and did you load and apply optimized defaults then reboot back to the BIOS to make your chabges when you flashed to it, this is a must?

About your reboot issue, there is two types of this. One is Double reboot, and this is normal ONCE, when you change certain settings in the BIOS and save/apply/reboot. Then there is Triple reboot, this is not normal and means something was set incorrectly and your settings will not be applied, and you will see a warning possibly when you re-enter the MIT Section of the BIOS. Neither of them should always happen when you start your computer

So, when you apply this 3.2 overclock does it do the double or triple reboot? Is your overclock applied do you know, you can check with CPU-z in windows to be sure >>>
CPUID

I need to know your Mushkin Model # to best advise, but for now I would advise these settings until then >>>

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 8x
CPU Frequency ...........................: 3.2GHz (400*8)

Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 400 << use 401 or 399
PCI Express Frequency (Mhz) .........: 100


Advanced Clock Control [Press Enter]
CPU Clock Drive...........................: 800mV
PCI Express Clock Drive.................: 900mV
CPU Clock Skew (ps)....................: 0ps
MCH Clock Skew (ps)...................: 0ps


DRAM Performance Control
Performance Enhance...................: [STANDARD]
Extreme Memory Profile (X.M.P.).....: Disabled
(G)MCH Frequency Latch...............: Auto
System Memory Multiplier ..............: 2.66D
Memory Frequency (Mhz) ..............: 1066
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................: 5
tRCD .........................................: 5
tRP'...........................................: 5
tRAS..........................................: 15

Set all below to highest value first, then you can lower later one at a time. Auto values you see may or may not be what you get in windows so keep that in mind and use suggested values

Advanced Timing Control
tRRD........................................... 3-4
tWTR.......................................... 3-6
tWR............................................ 4-6
tRFC.......................................... 52-62
tRTP.......................................... 3-5
Command Rate (CMD) ....................: 2

Channels A & B (both are the same)
Static tRead Value......................: 9-12
tRD Phase0 Adjustment................: 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
Dimm2 Clock Skew Control...............: Auto
DDR Write Training.........................: Auto

All the DIMM Driving options are Auto as well. >>>

Set this for both channels >>
Driving Strength Profiles
Driving Strength ............................1066


Motherboard Voltage Control
Voltage Type.………... Manual
Load-Line Calibration..................: Enabled

CPU
CPU Vcore….………......(1.325V)........: 1.3125V << may need more? Maybe not, what do you get actual in CPU-z at Idle and Load?

CPU Termination…..... (1.2V)...........: 1.2V << More is likely needed for your overclock, try 1.24-1.34

CPU PLL…………………....(1.5V)...........: 1.5V << Set 1.55-1.6
CPU Reference…………....(0.76V).......: 0.76V << Set Auto

MCH/ICH
MCH Core…………….....(1.100V)...........: 1.100V << Try 1.24, and also try 1.05 if 1.24 does not help you any (Suggested for 2x2GB would be 1.2-1.3 depending on all other settings)

MCH Reference….…….(0.760V)...........;0.760V << Set Auto
MCH/DRAM Ref.…......(0.900V)...........:1.000V << Set Auto
ICH I/O……………….....(1.500V)............: 1.500V << Set 1.55
ICH Core…………...……(1.100V)............: 1.100V << Set 1.14

DRAM
DRAM Voltage ……....(1.800V)............: 2.000V(tried also 2.1V)
DRAM Termination .…(0.900V)............: Auto
Channel A Reference (0.900V)............: Auto
Channel B Reference (0.900V)............: Auto

Advanced Settings
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology................: [Enabled] << Disabled if you do not use Vmware/Virtual PC

Integrated Peripherals
Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

[valenciaendoor]

Re: GA-EP45-UD3P o/c and reboot problem

First aff all, thank you for your quick reply and sorry for late reply because i was at work...
I have Mushkin 2*2 Extreme Performance kit(XP2-8500, labeled as 996599)
I am using F7 BIOS but i tried F8 BIOS as well and after flashing i loaded optimized defaults, rebooted, after thati made changes.
I have double reboot, that is to say; when the computer is off for night and so power is off, when start the system it boots, all the leds are on all the fans are on for 2-3 seconds and then it reboots and enters windows; so it does not reboot and reboot itself and when i enter the MIT it does not say like "your o/c failed etc." But, as i said what is interesting when the syystem is hot that is to say when i run pc for hours and than turn off it(not restart) and if i start it quickly it does not reboot; i do not have double boot it enters windows at the first try.
I know that my settings are applied, as you said i control them from both easy tune and cpu-z as well.
I am not sure %100 for the vcore but i think at load it is 1.28 and idle it is 1.30.

I hope these informations can be helpful and i am looking forward to your advices.
Thanks again.

[kick]

Re: GA-EP45-UD3P o/c and reboot problem

I get that when I change settings,the double,maybe the triple or the continuous,Not when I turn the pc on tho and I would adjust settings to try and eliminate it.
When you say a "cold" start,are you in a very hot place,I mean the normal air temperature, sun on the case thru the window??
Just wondered could the startup temperature of the components actually be higher than rebooting when the fans have been running,
Probably not but just an idea.

[Lsdmeasap]

Re: GA-EP45-UD3P o/c and reboot problem

Ok, well the above settings would be fine for that Mushkin kit, so thanks for the model #

So please try the settings I suggested and see if they help any, and be sure you note some of the voltage changes I suggested that you put back to Auto for now

Since you note that you Always have Cold boot issues that could mean two things. One being you do not have correct settings, more towards voltages then memory for this issue. Have you done any stability testing, this would be one way to know for sure.

The other may be that you are using the older BIOS, newest is suggested. I do see you tried F8, well they may have not corrected it in that one yet, I would test out the latest Beta if it bothers you very much. If not you will have to wait till it is corrected >>

http://forums.tweaktown.com/f69/gigabyte-latest-bios-28441/

[paazel]

Re: GA-EP45-UD3P o/c and reboot problem

Try bios F6, it's been rock solid. I went to F8 earlier this week, and my system was terribly unstable (btw I don't overclock). Vista wouldn't shut down, strange optical drive seek, weird boot/reboots. Just all around bad. I switched back to F6 this evening and all is well again.