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P5KPL-CM & E2200 Overclocking Ability

Last response: in Overclocking
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May 24, 2010 6:54:38 AM

Hello,

I am wondering whether if anyone could provide more advice or suggestions on these current settings. I am currently overclocking the e2200 (stock 2.2GHz) at 2.79GHz any higher becomes unstable in the prime95 tests. However i am able to reach 3.11GHz which will POST but fails to go any further.

At 3.11GHz Settings:
DRAM Freq = 667
CPU Freq = 282
1.8 Over Voltage = 2.25V
VTT_CPU = 1.3V

At 2.79GHz Settings: (stable)
DRAM Freq = 667
CPU Freq = 253
1.8 Over Voltage = 2.25V
VTT_CPU = 1.3V

At 2.68GHz Settings: (stable, any higher fails):
DRAM Freq = 800
CPU Freq = 243
1.8 Over Voltage = AUTO
VTT_CPU = AUTO

Other Settings:

CPU Frequency - 133, 500
DRAM Frequency - 800, 667

1.8 Dual Over Voltage - Auto, 1.80V, 2.00V, 2.25V
VTT_CPU Over Voltage - Auto, 1.2V, 1.3V
1.25 Over Voltage - Auto, 1.25V, 1.4V
1.5 Over Voltage - Auto, 1.5V, 1.6V

CPU Ratio Setting - 6.0, 7.0, 8.0, 9.0, 10.0, 11.0

Memory Settings: (In Chipset --> North Bridge Configuration)

Memory Remap Feature - Enabled, Disabled

Configure DRAM Timing by SPD - Enabled, Disabled
(If the above setting is DISABLED more options appear)

DRAM CAS# Latency - 3, 4, 5, 6
DRAM RAS# to CAS Latency - 3, 4, 5, 6 DRAM Clocks
DRAM RAS# Precharge - 3, 4, 5, 6 DRAM Clocks
DRAM RAS# Activate to Precha - 9, 10, 11, 12, 13, 14, 15 DRAM Clocks

the stable/default setting at 2.79GHz is
5 - 5 - 5 - 15
DRAM Frequency = 421.7 MHz


Do i need to change any of these Memory features to obtain higher CPU speed?
Any suggestions/advice would be appreciated.
May 24, 2010 10:27:12 AM

You could decrease your DRAM frequency at 667 MHZ (333 mhz) you will be able to increase your FSB highest. Ration 1:1
I had made that with my E7200, I reached 3.8 ghz with it whereas if I had let my DRAM frequency 800 mhz, I couldn't reach 3.8 ghz because I had BSOD
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May 24, 2010 12:32:47 PM

I am able to get it down to 336MHz (DRAM Freq = 667) with 5-5-5-15. As well as the CPU left at stock 2.20GHz (CPU Freq = 200 & Multiplier at 11)
Which is only a 3:5 Ratio

Closest was 1:2 ratio which every setting auto
DRAM Freq = 800 (403MHz)
5-5-5-18

Perhaps I need more tinkering somewhere
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May 24, 2010 1:06:42 PM

Did you fix the pci-ex : 100 ?
What's voltage did you fix when you have o/c at 3.11 ghz ?
Could you tell me about your configuration (MB, PSU, Memory brand using) please

I'm watching topics about o/c E2200 and a lot of people have o/c it between 3.2-3.5 ghz with DDR2 PC5300 (667 mhz) only so it's strange you can't reach 3.11 ghz

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May 25, 2010 5:51:16 AM

1.8 Dual Over Voltage - Auto, 1.80V, 2.00V, 2.25V (DDR2 Voltage)
VTT_CPU Over Voltage - Auto, 1.2V, 1.3V (CPU Core Voltage)
1.25 Over Voltage - Auto, 1.25V, 1.4V (NB voltage)
1.5 Over Voltage - Auto, 1.5V, 1.6V (PCI-E Voltage)

When overclocked to 3.11GHz, I only changed:
1.8 Over Voltage = 2.25V
VTT_CPU = 1.3V
Didn't change any ram timings, auto/Configure DRAM Timing by SPD - Enabled
The rest was on auto, perhaps i need to change the '1.5 Over Voltage'

MainBoard = P5kPL-CM
PSU = Codegen 825W
Memory = Gingle Technology, DDR2-800, 2GB x2 - Max Bandwidth = 400MHz
GPU = MSI N9800GT-T2D512
CPU = Intel E2200

The memory's manufacture is strange, limited details on the web

I have seen a few threads around about people getting e2200 above 3.0GHz +
But not with P5KPL-CM
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May 25, 2010 12:55:48 PM

I have obtained slightly higher results
Changed:

1.8 Dual Over Voltage = 2.25V
VTT_CPU Over Voltage = 1.3V
1.25 Over Voltage = 1.4V
1.5 Over Voltage = 1.6V

Ram Timings to:
6-6-6-15
DRAM Freq = 466.8 MHz (667)
Memory Remap Feature = Enabled
Configure DRAM Timing by SPD = Disabled

CPU Multiplier x10 (any higher or lower becomes unstable)
Bus Speed = 280MHz
Rated FSB = 1128 MHz

2.81GHz (Stable)
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