Nforce4 Mobo overclock to 250Mhz or better (K8N Neo4 Specifically)

[HecDTec]

Here is some information which I was told by PQI Memory Tech support because I couldn't reach DDR500 with their product. I set it for 250Mhz FSB, 8X CPU Multiplier, 4x HTT and all within normal operating range of the PQI PC4000 memory and the A64 3200+ (2.0Ghz). I would like to know any information anyone has on this matter. I just ordered OCZ Gold PC4000 for quite a bit more.

From: Ricky Chung [mailto:rickychung@pqimemory.com]
Sent: Tuesday, February 08, 2005 12:45 PM
To: Hector Sanchez
Subject: Re: PQI4000-1024DP

I just talked to the technician, and find out that this problem cause by the motherboard itself, because the motherboard may not support DDR 500. In another words, the motherboard may not allow you to run stable for overclock situation. That's why this problem occur.
----- Original Message -----
From: Hector Sanchez
To: 'Ricky Chung'
Sent: Tuesday, February 08, 2005 3:45 PM
Subject: RE: PQI4000-1024DP


Set to automatic and notified on the bios screen 3 ? 4 ? 4 ? 8 T1




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

From: Ricky Chung [mailto:rickychung@pqimemory.com]
Sent: Tuesday, February 08, 2005 12:45 PM
To: Hector Sanchez
Subject: Re: PQI4000-1024DP
Importance: High



What is the latency you put when you set to 250mhz?

----- Original Message -----

From: Hector Sanchez

To: support@pqimemory.com

Sent: Monday, February 07, 2005 4:47 PM

Subject: PQI4000-1024DP



I purchased your PQI4000-1024DP memory which I installed on an MSI K8N Neo4 Platinum motherboard. I can not even run this memory at 250 Mhz FSB, 4X HT and 8x CPU (A64 3200+ 2.0 ghz). I test it using Prime95?s torture test. It seems to run without a problem with 200 Mhz default FSB and default voltage. Do you have any suggestions.

 

[ChineseDemocracyGNR]

I think it's a joke that memory companies sell products as "DDR500" or anything above DDR400.

Bottom line is, your memory controller doesn't support DDR500 without overclocking, and that may or may not work for you. In your setup it looks like you're gonna have to settle for less.

"Set to automatic and notified on the bios screen 3 ? 4 ? 4 ? 8 T1 "

How about 2T?

 

[kindest]

try

Timing Mode - Manual
Memclock Index Value - 200MHz
CAS# latency (Tcl) - 2.5
Min RAS# active time (Tras) - 10t
RAS# to CAS# delay (Trcd) - 3t
Row Precharge time (Trp) - 3t
Row Cycle time (Trc) - auto
Row refresh cyc time (Trfc) - auto
Row to Row delay (Trrd) - auto
Write Recovery time (Twr) - auto
Write to Read Delay (Twtr) - auto
Read to Write Dealy (Twtr) - auto
Refresh Period (Tref) - auto
User Config Mode - Manual
Bottom of 32-bit [31:24] IO - D0
1T/2T Memory timing - 1T
Read Preamble Value - 8ns
Async Latency Value -8ns
S/W memory hole Remapping - Disabled

Cell Menu

High Performance Mode - Manual
Aggresive Timing - disabled
Dynamic Overclocking - disabled
Adjust CPU FSB Frequency - adjust as necessary
HT Frequency - 3x
HT Width - (up arrow) 16 (down arrow) 16
Sata Spread Spectrum - Disabled
PCIE Spread Spectrum - Disabled
PCIE Clock - 100Mhz
SSE/SSE2 Instructions - Enabled
Cool 'n' quiet - disabled
Adjust CPU Ratio - adjust this to keep you CPU near stock speeds depending on FSB
Adjust CPU VID - Auto or By CPU Voltage
CPU Voltage - Auto or By CPU Voltage
Memory Voltage - 2.75V - this can go to 2.85V if it helps
NF4 Voltage - 1.65V

 

[Jaimie]

More likely than not this is the HT Frequency being set at 4x instead of 3x, just knock it down to 3x and you should be good to go.