Šis mano gidas smulkiai aprašo kaip reikia spartint Intel C2D procus.
Aš naudojau tokią sistemą:
CPU:
Intel Core 2 Duo E6300 @ 1.86GHz || po spartinimo Intel Core 2 Duo E6300 @ 3.15GHz
Motherboard:
Gigabyte 965P-S3
RAM:
4x A-Data 1GB 800Mhz CL5 5-5-5-15 || po spartinimo 4x A-Data 1GB 900Mhz CL5 5-5-5-15
VGA:
Nvidia 7900GS (stock)
Siūlau atsispausdint žemiau esantį guidę arba jo sutrumpintą versiją, kaip tai dariau aš.
Pirmiausia reik
užsiupdatint BIOS, tai yra būtina. Einam į motininės gamintojo svetainę, ten pasinaudoję search surandam savo motininės modelį ir jos naujausius BIOS. Tarkim mano atveju Gigabyte 965p-S3
http://www.gigabyte.com.tw/Support/M...ProductID=2321 parsiunčiat ir užupdatinant. Dažniausiai prie BIOS rasit ir updatinimo programą, kurią parsiunčiat, norodot naują BIOS bylą ir ji užupdatina BIOS.
Tada atsidarom bios settings ir viską išjungiame, ko mums nereikia, viską darom disable.
Smart Cooling galima palikt, nes Core 2 Duo nelabai kaista, jei spartinsit iki 3GHz, jei daugiau, tai smart cooling darom disable.
Jei naudojat Gigabyte 965P, spaudžiat Ctrl+F1, kad atidarytumėt advanced options.
tada einam į M.I.T.
pasirenkam CPU host frequency pradžioj 333MHz (E6300@2.33GHz), poto jau galėsit 400MHz ir daugiau (E6300@2,8GHz).
Memory multiplayer pasirenkam FSB:RAM 1:1 darbo rėžimą, kas bus 2.00 ant gigabyte.
RAM timings nusistatot 5-5-5-15, jei ram a-data 800MHz CL5 arba geresni.
apacer, PQI ir kiti liewakai tiek netrauks, didesnius timing teks statyt tada tarkim 6-6-6-18...
nusistatom overvoltage +0,2V prie DDR2, FSB, MCH, būtinai prie PCI-E normal arba +0V.
CPU E6300 galima 1,37V daryt, bet man su 3GHz užteko ir 1,34375V
Update
Jau savaitę naudoju E6300@
2.8GHz su default voltais, jei jūsų RAM yra 800MHz,
tai E6300@2.8GHz galite naudoti be jokio overvoltage! 
Jei turit kitą Core 2 Duo procą, bei DDR2 800 ram, tai taip pat galite bandyti jį naudoti be overvoltage iki FSB 400MHz, nes DDR2 tada veikia 2x 400MHz=800MHz, savo gamykliniu dažniu, todėl ir daugiau voltų jiems nereikia.
Core2Duo Overclocking Guide
Citata:
Note: The settings in this guide will assume the user has adequate cooling for their processor.
And uses one of the following recommended motherboard:
-abit AW9D series (975X)
-ASUS P5W DH series (975X)
-DFI Infinity or LANParty 975X/G
-abit AB9 series
-ASUS P5B* Deluxe/WiFi-AP (965P)
-Gigabyte 965P-DS3 or DS4 or DQ6
*P5B vanilla is not recommended
**nForce590/570 Intel Edition based motherboard will not work with this guide nor recommended for overclocking**
Please also use RAM that’s rated:
-DDR2-800 5-5-5-xx (good for ~410Mhz*)
-DDR2-800 4-4-4-xx (good for 500Mhz+*) ->Best for E6300/E6400
*refer to Part2 for maximum Mhz extraction under 1:1 operation
The aim of this guide is to reach as close to 4Ghz (final clockspeed) as possible
Part1. Tidying Up Your BIOS (not all BIOS may have those options)
*You must update your BIOS to the latest version before proceeding*
1. Disable ‘AI Tuning’ for ASUS, ‘C.I.A.2’ for Gigabyte
2. Set PCI Express (PCIe) frequency @100Mhz (‘Auto’ for DS3/DS4/DQ6)
3. Set PCI frequency @33Mhz
4. Disable Hyperpath 3 (for P5W DH only)
5. Disable any ‘spread spectrum’
6. Disable Q-Fan (for ASUS only)
7. Disable ‘Limit CPUID Max to 3’
8. Disable any overvoltage protection
9. Disable ‘C1E’
10. Disable ‘EIST’
11. Disable Virtualization Technology
12. Disable No-Execute Memory Protect
13. Disable any other thing you don’t use
14. Do not enable any speed enhancements you see
The purpose here is to lighten up duties placed on the chipset
Part2. Memory Adjustments
**Expand options for Gigabyte BIOS under ‘M.I.T.’ by pressing CTRL+F1**
Gigabyte: Set ‘Memory Multiplier’ to 2 (1FSB:1RAM operation)
ASUS: Set ‘DRAM Frequency’ to DDR2-533 @266Mhz FSB (1FSB:1RAM operation)
As you increase the FSB, the RAM will follow in the pattern of 1:1 shown in BIOS.
1. Set ‘DRAM Timing’ to manual or disable SPD (use SPD for P5W DH)
2. In BIOS you will see 4 separate timing digits, change them to the ones specified on your RAM
e.g. 4-4-4-12
CAS# Latency (tCL)
RAS# to CAS# Delay (tRCD)
RAS# Precharge (tRP)
RAS# Precharge Delay or Active to Precharge (tRAS)
When 1FSB:1RAM is overclocked above the rated frequency of your RAM use the following values
Timing: 5-5-5-15
vDIMM: 2.2V
e.g. DDR2-667 4-4-4-12 1.9V operating at ~400Mhz will need to be set to 5-5-5-15 2.2V
3. Leave the rest of other timings either at ‘Auto’ or at their default values
Part3. Voltage (again not all BIOS will have the option or uses different name)
***The following voltages are to be used with Part4***
1. Set DRAM/DIMM Voltage (vDIMM) to 2.1V or 2.2V if specified by RAM (+0.3V or +0.4V)
2. Set MCH Voltage (vMCH) to 1.55V
3. Set FSB Voltage (vFSB ) to 1.40V
4. Increase SB Voltage (vICH) by +0.1V from default-lowest value
5. Set CPU Voltage (vCore) for the following CPU
E6300=1.370V E6400=1.375V E6600=1.400V E6700=1.400V X6800=1.400V
Part4. Frequency Control
First attempt:
1. Set CPU Host Clock/Frequency (FSB ) to 333Mhz (300Mhz for X6800)
2. Set CPU Clock Ratio or Multiplier to the default value for your processor
E6300-> 333x7=2331
E6400-> 333x8=2664
E6600-> 333x9=2997
E6700-> 333x10=3330
X6800-> 310x11=3410
3. Save settings and reboot
Further attempts:
1. Up even more FSB by 5Mhz or 2Mhz increasement
2. Calculate your final clockspeed
3. Up even more vCore if needed by 0.025V increasement
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