Lockups with new ram Help!

R

ring.of.steel

Guest
Hi,

i have just installed some coarsir XMS2 2048 2X1GB ddr667 ram last night. i change fsb to 275 and i get lockups in windows, change fsb to 250 and i get lockups.

my bios settings are

fsb 250mhz
multi 10x
cpu 1.4v
ddr2 1.95v
ddr2 533 divider
5 5 5 15 timings
2t command rate

i have loosend everything up to try stop the lockups. works fine at stock.

(was running the x2 3800 at 3ghz with corsair value 2x256 at ddr400 speeds)
​
 
hi,

im not used to DDR2 dividers, is the 1:1 equivalent running the ram with the 667 divider?

cheers
​
 
The divider at 1:1 would bring the memory in sync with the FSB and CPU, if your FSB is 250MHz and you are using the 1:1 divider, then your memory would be running 500MHz, if you set your FSB to 333MHz, then with the 1:1 divider the memory would run at the (rated) speed of 666/667 MHz.

Hopes this helps a bit...
 
bit confused here...

my motherboard has options for

DDR400
DDR533
DDR667
DDR800

so i should select DDR667 for the 1:1 ratio?

i have just moved from a dfi ultra d the other week and ddr2 is confusing lol
​
 
I'd say start with the lowest speed you can and then run memtest, that's what I would do anyways
 
am using ddr667 but just randomly restarted.

no memtest errors since this morning...

ddr2 voltage is now at 2.0v

is there anything else it could be?
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