e6300 OC

[jgigz]

Ok i have an asus p5b (non deluxe version) e6300 and Mushkin 1GB (x2 512MB) ddr2 800 @ 4-4-3-10. I have my 6300 oced to 2.8 on stock vcore 400fsb (boards max) and the CPU is totally stable (over 30 mins of sp2004 cpu torture test). The RAM test fails within the 1st 5 minutes. Ive tried it with a 1:1 ratio and it runs my ram @ ddr2 533 speeds @ 5-5-5-15 and its not stable. Tried it with a 2:3 ratio running @ ddr2 800 speeds @ 5-6-6-18. Ive tried both with stock voltages and 2.1v and it always fails. I know why my ram runs @ such high timings when at ddr2 800 its because the motherboard doesnt support ram with CAS 4 or lower but it should be stable at either of those settings shouldnt it? Please help and thanks in advance for any help.

 

[ForgetCassettes]

Have you tested the memory in a non-overclocked scenario ?

 

[gobucks]

yeah, at 400FSB, a 1:1 ratio is still DDR2-800MHz, maybe it's just not stable at those speeds. try a FSB of 266 or 333 and a 1:1 ratio to see if it's stable when underclocked. also, if your mobo doesn't support CAS 4 ram, then why did you buy low-latency DDR2-800? A 2GB kit of DDR2-800 CAS 5 is only like $150, and you might as well get that rather than paying for a latency advantage you won't use.

Also, is the P5B a P965 board? I know that chipset is seeming to have problems with a lot of memory. I bought OCZ platinum and it didn't work, not sure about Mushkin.

 

[jgigz]

Originally posted by: gobucks
yeah, at 400FSB, a 1:1 ratio is still DDR2-800MHz, maybe it's just not stable at those speeds. try a FSB of 266 or 333 and a 1:1 ratio to see if it's stable when underclocked. also, if your mobo doesn't support CAS 4 ram, then why did you buy low-latency DDR2-800? A 2GB kit of DDR2-800 CAS 5 is only like $150, and you might as well get that rather than paying for a latency advantage you won't use.

Also, is the P5B a P965 board? I know that chipset is seeming to have problems with a lot of memory. I bought OCZ platinum and it didn't work, not sure about Mushkin.

Yeah its a 965. I bought the RAM some time ago and had it in my system and forgot about the timings. That and ididnt find out that it didnt support CAS4 RAM until i noticed the small ass print in the manual. The thing is though, for w.e reason with that motherboard, is when i select the timing manually @ ddr2 800 it sets the divider @ 2:3. It lets me have no control over the divider other than selecting the actual speed. THe only way i can get it to a 1:1 ratio is to have it set to spd. *sigh*