couple questions about Oc'ing a DFI nforce4 Ultra-d board

[nick1985]

my buddy just got this board with an athlon64 3000 and a gig of corsair XMS ram. i told hin i would help him overclock it, but we are running into problems.

i cant get the thing to boot over 250FSB. now, is the LTD setting the same as HTT? i set it to 3, and it still wont go over 250. i upped the voltage on the RAM, chipset, and CPU, and still no dice. and i have the RAM at a 3:4 ratio.


what could be going on? why cant this board get over 250?

 

[cubeless]

lots of other chatter on this in the first 3 threads in this group... the 'auto' settings for memory don't seem to be real good... u need to sort out what the actual settings need to be and put them in...

and who knows, that may be your limit...

 

[nick1985]

there are about a million different memory settings in bios, how am i supposed to know what to put for all of them?


and there is no way 250 can be the limit, thats a very poor OC

 

[cubeless]

that's the rub with this board... u have to either have the memory that someone else has already sorted out (and be lucky) or work your way through... lunch ain't free on this one...

 

[caboob]

Originally posted by: nick1985
my buddy just got this board with an athlon64 3000 and a gig of corsair XMS ram. i told hin i would help him overclock it, but we are running into problems.

i cant get the thing to boot over 250FSB. now, is the LTD setting the same as HTT? i set it to 3, and it still wont go over 250. i upped the voltage on the RAM, chipset, and CPU, and still no dice. and i have the RAM at a 3:4 ratio.


what could be going on? why cant this board get over 250?

Are the timings on the RAM tight? If its BH-5 ICs, they dont like running dividers, you have to flash to this BIOS (3.10-2). I had problems running dividers until I flashed to this BIOS. I was also able to clock to higher RAM speed as well (270 FSB 1:1 c2-2-2-8 @3.6V)

 

[ts3433]

IIRC, anything referring to "LDT" is talking about either the HTT frequency or the HT multiplier. (LDT stands for something like "Lightning Data Transport.")

 

[dlogic]

With my Mushkin 4400 ram my board wouldn't evan boot into windows.
After setting the ram up with the settings at DFI-Street forums I'm running
9x285 with the ram running 1:1. I did need to put a fan on the ram due
to the close placement of the cpu heatsink. Is that TCCD ram? I could
post all my ram settings if you thought that would help.