Memory issues - latency related

  • Thread starter Thread starter Fudzy
  • Start date Start date
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Fudzy

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Hey guys,

Having an issue with RAM. I've got a system here, it's a Core2Duo E6550 on a Intel DP35DP mainboard. It's got a pair of 1GB OCZ DDR2-800Mhz RAM (OCZ DDR2 PC2-6400 Platinum Revision) chips but since it was put together its been suffering from frequent BSOD. I went into the BIOS and found that the machine is rock solid stable if I change the bus speed down from 800 to 667Mhz. Now looking at the latency times, in the motherboard its set to 5-5-5-15 but on the OCZ product page it says it should be set to 4-4-4-15. I change it, restart the system and nothing. I have to put the mainboard into config mode (formerly known as the clear bios jumper), change it back to 5-5-5-15 and its happy again. What I want to know is, would the latency be causing the BSOD? If so how do I change it to 4-4-4-15 without it not responding?

Thanks
 
Try running the ram in 2t. With my board if I run all 4 modules at 800 mhz and 1 t it won't boot. It boots fine with 667mhz at 1t or 800mhz at 2 t but no go with 800 mhz and 1 t.
 
@Fudzy. Weird. I just resolved a problem almost identical to yours on my new PC (I got the exact same RAM). I had constant BSODS - annoyed the crap out of me. Here's what I did:

1) In the BIOS, manually set it to 4-4-4-15 @ 2T. (I'm sure 5-5-5-15 won't make a difference)

2) Manually set the voltage from AUTO to 2.00V (I get BSODS if I put it less than that). That RAM can go up to 2.1V (as stated on the website and Take 2). It seems like I didn't have enough juice going to the RAM.

3) That's it! My BSoDs were over. This was the first time experiencing anything like this. Now my Memtest86 returns no memory errors.

I hope this helps.

My Specs:
---
Asus P5N32-E SLI Plus Motherboard (Flashed with the latest BIOS from ASUS)
Intel Core2Duo 3.0Ghz (E6850)
2x 1GB OCZ Platinum Gaming Memory rev.2 (DDR2-800MHz)
Gigabyte Geforce8400GS PCI-E
250GB Seagate HDD - SATAII
OCZ 600W PSU
 
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