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Why won't my 3700+ overclock/ Why did I buy Corsair memory?


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For some reason, If I modify my front speed bus at all, after posting, my motherboard never shows "verifying dmi pool....", it just hangs for 5 seconds, then the system reboots. After already cutting out my UPC from my memory, I cannot return it for a couple new sticks that don't suck. Oops. Wish I found this place BEFORE I bought everything for the build. My TWINX2048 - 3200C2 gave me hell before I reflashed with 7/04-2 BigToe. Thank god for the OCDB to get me past the 3-3-3-8 timing that I had previously.

Current DRAM settings are:

 

FSB Bus: 200 (this is the problem...)

LDT/FSB Freq. ratio: auto

CPU/FSB Freq. ratio: 11.0

PCI Ex freq: 100mHz

 

CPU BID startup value - Startup

 

CPu VID control - 1.325v

CPU VID Special Control - above VID * 113%

LDT volt control - 1.30 v

Chip Set Voltage Control - 1.60v

DRAM Voltage Control - 2.70v

---------------------------------------

DRAM Configuration Settings:

 

DRAM Frequency Set - 200=RAM/FSB:01/01

Command Per Clock (CPC) - Auto

CAS Latency Control (Tcl) - 2.5

RAS# to CAS# delay (Trcd) - 03 Bus Clocks

Min RAS# active time (Tras) - 06 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 09 Bus Clocks

Row refresh cyc time (Trfc) - 16 Bus Clocks

Row to Row delay (Trrd) - 03 Bus Clocks

Write recovery time (Twr) - 03 Bus Clocks

Write to Read delay (Twtr) - 02 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - Auto

Write CAS Latency (Twcl) - Auto

DRAM Bank Interleave - Enabled

 

DQS Skew Control - Auto

DQS Skew Value - 0

DRAM Drive Strength - Auto

DRAM Data Drive Strength - Auto

Max Async Latency - Auto

DRAM Response Time - Fast

Read Preamble Time - Auto

IdleCycle Limit - 256 Cycles

Dynamic Counter - Disable

R/W Queue Bypass - 16 x

Bypass Max - 07 x

32 Byte Granularity - Disable(4 Bursts)

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Try these values and see if they help

 

DRAM Frequency Set - 200=RAM/FSB:01/01

Command Per Clock (CPC) - Auto

CAS Latency Control (Tcl) - 2.5

RAS# to CAS# delay (Trcd) - 03 Bus Clocks

Min RAS# active time (Tras) - 06 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 14 Bus Clocks

Row refresh cyc time (Trfc) - 16 Bus Clocks

Row to Row delay (Trrd) - 03 Bus Clocks

Write recovery time (Twr) - 03 Bus Clocks

Write to Read delay (Twtr) - 02 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - Auto

Write CAS Latency (Twcl) - Auto

DRAM Bank Interleave - Enabled

 

DQS Skew Control - Auto

DQS Skew Value - 0

DRAM Drive Strength - 7 Or 3 depending on what selections you have.. Both are weak settings

DRAM Data Drive Strength - 2

Max Async Latency - 6ns

DRAM Response Time - Fast

Read Preamble Time - 5ns

IdleCycle Limit - 256 Cycles

Dynamic Counter - Disable

R/W Queue Bypass - 16 x

Bypass Max - 0 5x

32 Byte Granularity - Disable(4 Bursts)

__________________

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Thanks, but no dice. Still will not get beyond where it should say Verifying DMI pool data. just hangs for 5 seconds, and reboots. Apparently I am destined not to overclock this rig? WHY!?!?!?

 

Also, I got a BSOD screen in windows with those settings, previous settings were stable though. Memtest showed errors all over the board using the settings you suggested. The settings I am using are from someone else with the same memory set, but they can still overclock, in fact their FSB is 240. Why does mine suck?

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Have you tried it with a different PSU? That could be part of the problem maybe, worth a shot.

 

I looked up the PSU and if I found the right one it looks like each 12V rail pulls 18A... isn't the minimun 28A for a 7800GT? I thought I saw that somewhere.

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My power supply is a new, dual rail, sli certified, server power supply. I can't imagine that it somehow is not sufficient to power a rig that is relatively light on power consumption.....

info from site:

High-end Server Level Power – Intel SSI EPS 12V & ATX 12V Compatible Support for Intel P4 (775) and AMD Athlon 64/FX (K8) platforms

Support Intel Dual CPU Nocona

Dual Independent 12V Rails Supply to MB/CPU and Drives

Smart Cooling and Noise Control Design

Power Consumption Signal Output Available for Real-Time Power Consumption Meter Monitoring

Multiple Power Protections against Over Power, Short-Circuit, Over-Current, Overload & Over-temperature

Efficient Connector & Cable Management

High Quality Mask Black Casing

Nextherm PC Air Conditioner Connector Supported

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I don't know how. Would this be the following....?

 

Genie BIOS Settings:

 

FSB Bus Frequency - 270

LDT/FSB Frequency Ratio - 3

CPU/FSB Frequency Ratio - 9

PCI eXpress Frequency - 100Mhz

 

CPU VID StartUp Value - 1.425v

 

CPU VID Control - 1.425v

CPU VID Special Control - Above VID * 104%

LDT Voltage Control - 1.40v

Chip Set Voltage Control - 1.80v

DRAM Voltage Control - 2.70v

 

DRAM Configuration Settings:

 

DRAM Frequency Set - 150 (DRAM/FSB:3/04)

Command Per Clock (CPC) - Enable

CAS Latency Control (Tcl) - 2.0

RAS# to CAS# delay (Trcd) - 03 Bus Clocks

Min RAS# active time (Tras) - 06 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 07 Bus Clocks

Row refresh cyc time (Trfc) - 14 Bus Clocks

Row to Row delay (Trrd) - 02 Bus Clocks

Write recovery time (Twr) - 02 Bus Clocks

Write to Read delay (Twtr) - 02 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - 3120

Write CAS Latency (Twcl) - Auto

DRAM Bank Interleave - Enabled

 

 

 

DQS Skew Control - Auto

DQS Skew Value - 0

DRAM Drive Strength - Auto

DRAM Data Drive Strength - Auto

Max Async Latency - 8

Read Preamble Time - 6

IdleCycle Limit - 32

Dynamic Counter - Disable

R/W Queue Bypass - 16 x

Bypass Max - 07 x

32 Byte Granularity - Disable(4 Bursts)

 

I am willing to try anything, the guy with this setup has venice, will it still work?

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Yes read the guide at this point. find your max cpu and max ram. then adjust until both run at highest setting stable with good temps and volts. You may find that your ram is the bottleneck?

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Sound advice. So after a couple hours of processing this mess, I get it. Yes, the memory is the bottleneck. I have to keep the memory around 200mhz to get everything stable. I am using close to the numbers of the gentleman with the Venice, reducing the memory/fsb multiplier to keep the DDR400 rockin, but watching my htt to make sure it is in the 2000mhz range. Allows me 6% overclock and 2-3-3-6 @ 1t, and prime stable, memtest shows no errors. Looks like this is as good as it gets with these particular memory modules.... DON'T BUY THEM IF YOU LIKE DFI MAINBOARDS. AVOID CORSAIR TWINX2048-3200C2 LIKE THE PLAGUE. The MB rocks, and so does this forum.

 

FINAL STABLE FIGURES:

 

Genie BIOS Settings:

 

FSB Bus Frequency - 260

LDT/FSB Frequency Ratio - 4

CPU/FSB Frequency Ratio - 9

PCI eXpress Frequency - 100Mhz

 

CPU VID StartUp Value - 1.425v

 

CPU VID Control - 1.425v

CPU VID Special Control - Above VID * 104%

LDT Voltage Control - 1.40v

Chip Set Voltage Control - 1.80v

DRAM Voltage Control - 2.70v

 

DRAM Configuration Settings:

 

DRAM Frequency Set - 150 (DRAM/FSB:3/04)

Command Per Clock (CPC) - Enable

CAS Latency Control (Tcl) - 2.0

RAS# to CAS# delay (Trcd) - 03 Bus Clocks

Min RAS# active time (Tras) - 06 Bus Clocks

Row precharge time (Trp) - 03 Bus Clocks

Row Cycle time (Trc) - 07 Bus Clocks

Row refresh cyc time (Trfc) - 14 Bus Clocks

Row to Row delay (Trrd) - 02 Bus Clocks

Write recovery time (Twr) - 02 Bus Clocks

Write to Read delay (Twtr) - 02 Bus Clocks

Read to Write delay (Trwt) - 03 Bus Clocks

Refresh Period (Tref) - 3120

Write CAS Latency (Twcl) - Auto

DRAM Bank Interleave - Enabled

 

 

 

DQS Skew Control - Auto

DQS Skew Value - 0

DRAM Drive Strength - Auto

DRAM Data Drive Strength - Auto

Max Async Latency - 8

Read Preamble Time - 6

IdleCycle Limit - 32

Dynamic Counter - Disable

R/W Queue Bypass - 16 x

Bypass Max - 07 x

32 Byte Granularity - Disable(4 Bursts)

 

 

 

==========

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I had the same problems, but after some experiments (as in the guide) i reached the results as in my sig, CPU 2000@2500, ram @ 208MHz, stable enough, the only game that makes it block is Fifa 2006, it gets more stable at 2400...

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