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Overclocking GA-X48-DS5+E8400+OCZ Reaper PC2-8500 1066Mhz

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January 5, 2009 5:01:02 AM

Hi,I just bought a new PC yesterday and I want to learn how to overclock CPU,RAM,and GPU but I don't know where I should start and what I need to change.I really need your help.Can anyone help me please step by step?
My systems:
E8400 3.0Ghz
GA-X48-DS5
OCZ Reaper 2x2GB dual channel kit PC2-8500 1066Mhz with 5-5-5@2.2V
Scythe Mugen CPU Cooler
PC Power and Cooling Silencer 750W
Sapphire Radeon HD 4850 512MB GDDR3

Here my current BIOS F8a settings:

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 9x
Fine CPU Clock Ratio.....................: +0.0
CPU Frequency ...........................: 3.00Ghz(333x9)
CPU Host Clock Control..................: [Disabled]
CPU Host Frequency (Mhz) ............: 333Mhz
PCI Express Frequency (Mhz) .........: Auto
C.I.A.2 .................................:[Disabled]
Performance Enhance...................: [Turbo]
System Memory Multiplier ..............: Auto
Memory Frequency (Mhz) ..............: 1066Mhz
DRAM Timing Selectable ................: [Auto]

Standard Timing Control
CAS Latency Time........................5(Auto)
DRAM RAS# to CAS# Delay............7(Auto)
DRAM RAS# Precharge..................7(Auto)
tRAS..........................................20(A uto)

Advanced Timing Control
ACT to ACT Delay(tRRD)................4(Auto)
Rank Write To READ Delay..............4(Auto)
Write To Precharge Delay...............8(Auto)
Refresh to ACT Delay.....................72(Auto)
Read to Precharge Delay.................4(Auto)
Static tRead Value.........................6(Auto)
Static tRead Phase Adjust...............0(Auto)
Command Rate(CMD)......................2(Auto)

Clock Driving & Skew Control
CPU/PCIEX Clock Driving Control........[800mV]
CPU Clock Skew Control...................[Normal]
(G)MCH Clock Skew Control..............[Normal]

System Voltage Optimized
System Voltage control....................[Manual]
DDR2 OverVoltage Control.................[Normal]
PCI-E OverVoltage Control................[Normal]
FSB OverVoltage Control...................[Normal]
(G)MCH OverVoltage Control..............[Normal]
Loadline Calibration..........................[Auto]
CPU Voltage Control.........................[Normal]
Normal CPU Vcore............................1.25000v

Advanced Settings
HDD S.M.A.R.T. Capability...............:[Disabled]
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Enabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Enabled]
Virtualization Technology.................:[Enabled]
Full Screen LOGO Show....................:[Enabled]
Init Display First..............................:[PCI]

This is my current BIOS settings.I haven't changed anything since I bought it.i hope you guys can help me.Thank you so much
January 5, 2009 6:04:17 AM

I just tried change a couple things for OC to my BIOS settings

Here what I did
MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 9x
Fine CPU Clock Ratio.....................: +0.0
CPU Frequency ...........................: 3.00Ghz(400x9)
CPU Host Clock Control..................: [Enable]
CPU Host Frequency (Mhz) ............: 400Mhz
PCI Express Frequency (Mhz) .........: 100
C.I.A.2 .......................................:[Disabled]
Performance Enhance...................: [Standard]
System Memory Multiplier ..............: 2.66D
Memory Frequency (Mhz) ..............: 1066Mhz
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................5(5)
DRAM RAS# to CAS# Delay............5(5)
DRAM RAS# Precharge..................5(5)
tRAS.........................................15(18)

Advanced Timing Control
ACT to ACT Delay(tRRD)................3(Auto)
Rank Write To READ Delay..............3(Auto)
Write To Precharge Delay...............6(Auto)
Refresh to ACT Delay....................54(Auto)
Read to Precharge Delay.................3(Auto)
Static tRead Value.........................7(Auto)
Static tRead Phase Adjust...............0(Auto)
Command Rate(CMD)......................2(Auto)

Clock Driving & Skew Control
CPU/PCIEX Clock Driving Control........[800mV]
CPU Clock Skew Control...................[Normal]
(G)MCH Clock Skew Control..............[Normal]

System Voltage Optimized
System Voltage control....................[Manual]
DDR2 OverVoltage Control.................[+0.40V]
PCI-E OverVoltage Control................[+.10V]
FSB OverVoltage Control...................[+0.10Vl]
(G)MCH OverVoltage Control..............[+0.100l]
Loadline Calibration..........................[Enable]
CPU Voltage Control.........................[1.22500V]
Normal CPU Vcore............................1.25000v

Advanced Settings
HDD S.M.A.R.T. Capability...............:[Disabled]
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Disabled]
CPU Enhanced Halt (C1E)................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology.................:[Disabled]
Full Screen LOGO Show....................:[Enabled]
Init Display First..............................:[PCI]

PC Health Status
Reset Case Open Status..............:[Disabled]
CPU Warning Temperature............:[70C/158F)
CPU FAN Fail Warning...................:[Disabled]
SYSTEM FAN2 Fail Warning............:[Disabled]
POWER FAN Fail Warning................:[Disabled]
SYSTEM FAN1 Fail Warning.............:[Disabled]
CPU Smart Fan Control...................:[Disabled]

When I run CPU-Z,my core#0 temp is at 35C while core#1 temp is at 39C on idle but when I run orthos,my core#0 and core#1 temp raise to 46C(the maximum from my settings).So is my overclock setting good?Is there anything that I need to change so my temp is not around 35C something because my CPU cooler is scythe mugen and I should be able to get around 25C something.Anyone can help me please?
a b K Overclocking
January 5, 2009 3:31:07 PM

your idle temp seems fine, but you should be able to easily hit 4ghz, with a mild voltage increase on the vcore, also sey the ddr2 to +0.3v instead of .4 cos ure overvolting ure ram whic isnt needed
Related resources
a b K Overclocking
January 5, 2009 3:33:45 PM

edit sorry just saw ure ram voltage, anyway yea still try for 4ghz it should be easy just keep an eye on temps.
a c 197 K Overclocking
a c 172 à CPUs
January 5, 2009 3:46:36 PM

Google "x48 overclock" for suggestions.
January 5, 2009 5:38:15 PM

Ok,so I just tried to OC my cpu to 4.0Ghz and run orthos for 10 min to see my systems is stable or not and it seems my system works very stable.idle temp shows that core#0 is at 34-37C while core#1 is at 39C.when I run orthos,both of the core's temp rise to 49-50C.and then when I run speedFan,it shows a picture of fire on my core0 and core1 when the temp reach 50C.Is everything ok?I didn run prime95 to test my memory too.After run for around 15min,everything seems ok and stable.so what do you think guys?can anyone please help me?

Here what I did
MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 9x
Fine CPU Clock Ratio.....................: +0.0
CPU Frequency ...........................: 4.00Ghz(445x9)
CPU Host Clock Control..................: [Enable]
CPU Host Frequency (Mhz) ............: 445Mhz
PCI Express Frequency (Mhz) .........: 100
C.I.A.2 .......................................:[Disabled]
Performance Enhance...................: [Standard]
System Memory Multiplier ..............: 2.40B
Memory Frequency (Mhz) ..............: 1068Mhz
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................5(5)
DRAM RAS# to CAS# Delay............5(5)
DRAM RAS# Precharge..................5(5)
tRAS.........................................15(18)

Advanced Timing Control
ACT to ACT Delay(tRRD)................3(Auto)
Rank Write To READ Delay..............3(Auto)
Write To Precharge Delay...............6(Auto)
Refresh to ACT Delay....................54(Auto)
Read to Precharge Delay.................3(Auto)
Static tRead Value.........................7(Auto)
Static tRead Phase Adjust...............0(Auto)
Command Rate(CMD)......................2(Auto)

Clock Driving & Skew Control
CPU/PCIEX Clock Driving Control........[800mV]
CPU Clock Skew Control...................[Normal]
(G)MCH Clock Skew Control..............[Normal]

System Voltage Optimized
System Voltage control....................[Manual]
DDR2 OverVoltage Control.................[+0.40V]
PCI-E OverVoltage Control................[+.10V]
FSB OverVoltage Control...................[+0.10Vl]
(G)MCH OverVoltage Control..............[+0.100l]
Loadline Calibration..........................[Enable]
CPU Voltage Control.........................[1.3125V]
Normal CPU Vcore............................1.25000v

Advanced Settings
HDD S.M.A.R.T. Capability...............:[Disabled]
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Disabled]
CPU Enhanced Halt (C1E)................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology.................:[Disabled]
Full Screen LOGO Show....................:[Enabled]
Init Display First..............................:[PCI]

PC Health Status
Reset Case Open Status..............:[Disabled]
CPU Warning Temperature............:[70C/158F)
CPU FAN Fail Warning...................:[Disabled]
SYSTEM FAN2 Fail Warning............:[Disabled]
POWER FAN Fail Warning................:[Disabled]
SYSTEM FAN1 Fail Warning.............:[Disabled]
CPU Smart Fan Control...................:[Disabled]
January 5, 2009 8:02:38 PM

Those temps are perfectly fine. I always try to keep load temps on the cores under 65C when overclocking. But 15 minutes is not enough for stress testing. Test it for at least 8 hours with orthos, pref 12-24 hours.
January 5, 2009 8:29:57 PM

ok,I will do that when I'm going to sleep and I will post how it works tomorrow.
a b K Overclocking
January 5, 2009 9:22:03 PM

yea sorry but what help do you need you have done what most people need to, research. also your only at 1.3vcore but you might be able to hit 4.5ghz with reasonable voltage. either way you might aswell keep pushing untill your temps arent safe then you will have a very good overclock.
January 5, 2009 10:37:24 PM

so you said that I still can overclock my cpu till 4.5ghz?I thought the maximum for e8400 is only till 4.0ghz.I think I'm gonna stay in 4.0Ghz and I don't want to reduce my CPU's life.So is my settings everything fine?is there anything that I need to change or something?
a b K Overclocking
January 6, 2009 9:49:31 AM

only the voltage and the temps reduce the life not the clock speed. i have a crap e8400 needs 1.4v for 4ghz but im still running it at 4.6ghz
June 13, 2009 1:43:00 PM

I have Gigabyte EP45-DS3, Intel core duo 2 e8400. gainward hd4870 GS 1gt, ocz reaper pc2 8500 2x 2gt.. and i wud like to know some good program to clock the processor up.. and the memorys.. For vidcard wud be awesome.. but as far as i have looked.. there is no program for it..

Thanks..
October 16, 2010 12:11:39 PM

Sorry to reply to this thread when it's been inactive for awhile but my problem seems related to the OP as that I have the same PC build and after researching and tweaking I can't seem to make my pc run at a stable 4.0ghz, I tried using the same settings as the OP but setting my System memory multiplier to 2.40b (increasing memory frequency to 1068mhz) and setting ddr2 overvoltage to +0.40v causes my pc to crash upon reboot and resets the OC to default. I'm not sure if maybe the OP got the memory settings wrong or if my memory just can't handle being OCed. Any help is appreciated.


Edit: OP = Original Poster just so you guys know.
a c 197 K Overclocking
a c 172 à CPUs
October 16, 2010 7:12:07 PM

kiroku, you should start your own threat and let a dead thread rest in peace.

I have 4 Core2 Gigabyte boards:
GA-EP45-UD3P | Q9550 OC'd to 3.6 GHz (425 MHz X 8.5) C3 stepping :( 
GA-EP45-UD3L | Q6600 OC'd to 3.6 GHz (400 MHz X 9)
GA-EP35-DS3P | E7500 OC'd to 4.1 GHz (373 MHz X 11)
GA-G41M-ES2L | E6500 OC'd to 3.66 GHz (333 MHz X 11) FSB quits at about 345 MHz.
All are 24 hour Prime95 stable. All have System Memory Multiplier set to 2.0.

I keep saying that overclocking RAM in a Core2 system adds little if any real world performance. And doing so gives you more room to push the FSB freq higher without running into memory limitations.

If you are running DDR2 RAM, you can push the RAM voltage up to 2.2 volts.

To get to 4.0 GHz, you will need good cooling. Do not exceed 1.45 volts on the core or load temps of 70 C.

The other thing to keep in mind is that you cannot simply use the same settings that someone else did. THere's just too many variations. That's why we call them guides.
!