Can't go past 229 FSB

[Solidus Snake]

I'm having a weird problem trying to overclock and I'll explain it. These are my current system specs:

Opteron 148 (@ stock speed)
1GB Corsair Value Select DDR400 dual-channel kit
Radeon X1300 Pro (don't laugh, it's a temp card )
MSI K8N SLI motherboard
Antec TruePower 550W PSU

The first processor I used with this new build was an Opteron 165. When I tried overclocking it, it worked fine up until I tried to push the FSB higher than 229, in which case the computer refused to POST every time.

I tried dropping the HTT multiplier, using a RAM divider, upping voltages, updated the motherboard BIOS, but the problem persisted. So I exchanged the motherboard, sold my old OCZ dual-channel kit I was using and bought the Corsair kit and tried again; same problem.

I figure at this point, maybe I was unlucky enough to get an Opteron that was a sucky OC'er, so I sold it and got the 148 I'm using now; put it in, and hit the same FSB wall Anyone have any suggestions as to what might be the problem here?

 

[Replicant1911]

http://www.hardforum.com/showthread.php?p=1027479689#post1027479689

"Now for some advice for the following steps:
If you have trouble hitting higher HTT (FSB) speeds, check one of the following:
-SATA in port 1 or 2? Move it to 3 or 4, as 1+2 are generally unlocked. This may have been resolved with the Nforce4, but I am not certain. A sign of this is a limit around 229mhz"

and then read the rest of eclipses guide