OC Advice

[amcdonald]

I just got an 8rda+ and I'm testing for a good OC with hyperx3000 & 2100+ 0301
I can run 12x190sync at 2,2,2,5 ...but I can't hit 12.5 even at 1.9vcore and 2,3,3,7
If I go past 190 the system starts getting unstable at any timing/multiplier.
But I can hit a higher mhz by lowering the fsb and upping the multiplier.
I ran high 2300's easily by lowering the fsb, but I'm trying to follow the repeated advice of "a higher fsb is better than a higher internal clock"
I'll be benchmarking after work to see which is actually better...
Any advice on how I might get a higher/more stable fsb without serious modding?

 

[bgeh]

try upping the RAM voltage, but never above 2.8v
if it still doesn't work, then do the VDD mod

 

[amcdonald]

Its not the ram... I can run it asynced to at least 200... never tried higher. I leave it at 2.77
But I'm not about to do the vdd mod. Its not worth the mhz to possibly ruin the board.

 

[pelikan]

I second bgeh. If you want higher fsb, do the vdd mod. Its a roll of the dice whether you get an nforce2 board that will do 200MHz fsb out of the box (excepting the new Abit rev. 1.2 with vdd bios setting).
Sound like you got a good cpu. Don't sweat the fsb. You would never notice the difference between 190 and 200MHz fsb unless you are running benchmarks.

 

[Shimmishim]

Originally posted by: amcdonald
Its not the ram... I can run it asynced to at least 200... never tried higher. I leave it at 2.77
But I'm not about to do the vdd mod. Its not worth the mhz to possibly ruin the board.

the vdd mod is very simple to do. i've never modded my board before but i'mgoing to do the vdd mod in hopes of hitting over the 200 mhz mark.

the mod is basically getting a few wires, 2 smd grabbers, and a 1k ohm thing to lower the resistance across the vdd chip or whatever... no soldering required or anything...

 

[Shimmishim]

also, make sure you haven't run into a wall with that cpu... you maybe able to benchmark and do whatever stuff but it's not necessarily stable at that speed....

do prime95 (some people think this is an overkill test)

or

do 10+ loops of memtest86 using options c-2-3-1-2-0 spacebar

it'll test the stability of your chip and your ram...