Looking for advice for the next step

Question

I am having problem with stability when I overclock my system.
I am trying to clock my system by the guidelines of the above sticky
https://forum-en.msi.com/index.php?threadid=40413&sid=
and these other threads
https://forum-en.msi.com/index.php?threadid=29142&sid=&threadview=0&hilight=&hilightuser=0&page=1
and
https://forum-en.msi.com/index.php?threadid=42515&sid=
I change my setting to:
DRAM freq = 333
CPU clock = 250
Spread Spectrum = off
AGP/PCI freq = 66/33
CPU VCore = 1.6v
DDR Volatage = 2.7v
AGP Voltage = 1.55v
Mem - 2-3-3-7 burst length 4
AGP Aperature = 64MB
Set PAT to Slow
When I run my cpu/case temp never gets over 56C/33C respectivily, but when I run SiSoftware Sandra Standard 2004 burn in test the system crashes after ~10mins.  Also if I run Memtest86 at these setting the sysem crashes after ~10min
Also, if I bump the cpu clock to 271 to get the memory running at 434MHz (which the memory is rated too)  I get the memory timing too tight boot error.
I am beginning to thinking my memory has problems, since it won't run at 434Mhz
-Fazle
p.s. I am updated to the latest bios 2.0

Answer 1

If you can enable HT than it must be P4 2.4c (G seems for the giga Hz).
I'm using the Core Center which are not usual in this forum (since you also can adjust it manually on the bios or using clockgen software or else).
My final FSB result using CC is 246 - 247 mHz.(Although the result before automatic rebooting is 251 mHz), so depend on the CPU quality (not all the CPU with the same mark P4 2.4c have the same quality of OCing) is more likely you have stability problem between 245 - 250 mHz using manual setting by 1 mHz.
On the other word by reducing the FSB is more likely you can be stable.(since you already have high Vcore and moderate Vdimm and not stable on 250 mHz).
Try to found out yoursef by testing it step by step and find the best FSB setting for your Mobo with regard of memory timing, Vcore, Vdimm.
M/B 865 PE Neo-2 PFS Platinum Edition
CPU:P4 2.4C (HT enable) and ThermalTake SubZero 4G
(Commander,Turbo,2434 mHz - 2760 mHz)
Memory: Corsair XMS 3500 2x512 meg (dual-channel dimm 1 and 3)
VGA:ELSA Gladiac 925 Ti4600
HD:2 SATA Maxtor 80gig and 1 ATA Maxtor 80Gig
CD/RW Yamaha and Pioneer DVD
PSU:ThermalTake Silent PurePower 480W (W0010/Black)
+5 V/40 A, +3.3 V/30 A, +12 V/18 A, -5 V/0.3 A, -12 V/0.8 A, +5 VSB/2 A Peak Load 550 W
Window XP SP1
NEC FP2141SB
Microsoft DesktopPro
Sound Blaster Audigy 2 Platinum + Klipsch Promedia 4.1