I can't run more then 512mb ram on my DFI NF4 Ultra-D mobo

[daddsmcnads]

This board was one handful to set up. At first I had trouble setting up the SATA drive I have, then the bios options were more complicated then I have ever dealt with before, and now I cannot figure out how to get both my 512mb sticks of ram to work at the same time.

The specs:
AMD Athlon 64 3200+ venice core
DFI NF4 Ultra-D mobo with the latest bios update from the manufacturer 6/23/05
2x sticks of 512mb TwinMOS PC333 / 2700 ram
Thermaltake TR2 430watt PSU
160gb Seagate SATA drive
40gb Maxtor IDE slave
EVGA 7800GT 256mb video
Windows XP professional SP2

I have tried so many things. 2.6v on DRAM, 2.7, 2.8.... I am afraid to go higher. I have tried all sorts of latencies. My last board I could get this same ram to work in dual channel fine, so I dunno what I am doing wrong.

If anyone can help, or if they need more info, please respond - Thanks!

 

[rise]

you have all 4 power connectors into the board?

you probably know already but they recommend a 480w psu . is it at least a 24 pin and how many amps on the 12v?

which dimms are you using? orange?

 

[Zap]

Do you have the RAM in the proper slots? Some boards two sticks are side-by-side, other boards alternate so you skip a slot. Also, did you manually set the RAM slower to make it PC2700? Are you overclocking? If having problems, should figure out the problems at stock.

 

[daddsmcnads]

All 4 power connectors plugged in and secured. I know they recommend a 480watt psu, but the minimum was 400, and I thought 430 would do it. It seems to work great, for games and windows, but the ram problem is killing me. I really think the ram is just not completely compatible, but hey you never know. It's a 24pin connector with no adapter, and 18a on the +12v rail. I've tried many, many ram slot possiblities. Slot 1, and 2, slot 2 and 3, and everything else.


I set the ram to PC2700 settings yes. I am not overclocking, but I bought this board in hopes to

 

[Zap]

Have you tried RAM in slots 1-3 or 2-4? IIRC the BIOS has memtest built in. Try testing it on one stick of RAM at a time to make sure it passes.