Eclipse SLI: Memory problems

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homsar

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I thought I'd cured this, but apparently not...

I'm running the system described in the sig, with this Corsair RAM. It claims to be i7 compatible and designed to run at 1.65V. The BIOS defaults to trying to run it at 1333MHz. This causes semi-predictable instability - the first boot it will bluescreen; it will then reboot and function perfectly. Sometimes it will only see two sticks, sometimes three. It seems to be similar to/the same as the problem here. I tried reducing the speed of the RAM to 1066MHz in the BIOS, which worked for a while, but this morning the machine refused to POST, and then subsequently reset the settings to defaults claiming that the "overclocking" had failed. This has restored the previous bluescreening problems.

Does this sound like a board problem, a RAM problem, a configuration problem, a problem that can be fixed with a fresh BIOS [currently running v.1.2; flash attempt whilst stable at 1066MHz failed due to non-bootable stick, and I don't want to try again until the machine is stable], or something else entirely?

Thanks for any help!

ETA: Here's some screenshots of CPU-Z.
cpuzram.png
 
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Get BIOS 1.7b3

Then set RAM to run at 1066, DRAM clock at 4x, uncore at 8x, disable Intel Turbo Mode. Disable XMP. Boot
 
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Downloaded the RAR file that Svet made available here. By "Running as Administrator" on the Forum Flash Tool, managed to make the "fix USB key" succeed. Rebooted onto the USB key OK. Flash tool started; backup of the old BIOS went OK. Checksums OK. Erase went OK. Writing new flash got to 43% (address 001BA800) and stalled. I've left it running in case it was just a hiccup, but I'm not holding out much hope. As Penelope Pitstop would say, "Hayulp!"

ETA: OK, it's been going an hour and has not gone any further. Reading here suggests that if I put the backup BIOS onto CD (as AMIBOOT.ROM), clear the CMOS (with the button on the back of the case), then boot holding Ctrl+Home, then I should in theory get the machine back up again. Amiright?
 
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You should never have tried to update your BIOS while the system was unstable.  This is what you do when you actually want to render the board unfunctional.

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put the backup BIOS onto CD (as AMIBOOT.ROM), clear the CMOS (with the button on the back of the case), then boot holding Ctrl+Home
Click to expand...

You can try that (use a PS/2 keyboard and only one memory module), but there is no guarantee that it will work.  You can also try to use an USB Flash Drive and put the BIOS File on there (try the plain BIOS file without renaming it to AMIBOOT.ROM as well).  If the procedure fails, contact your reseller for assistance.
 
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Jack t.N. said:
You should never have tried to update your BIOS while the system is was unstable.  This is what you do when you actually want to render the board unfunctional.
Click to expand...

That was what I thought, but the advice in this thread contradicted that. Given that I need a new BIOS to stabilise the system, but I can't flash whilst the system is unstable, what exactly am I supposed to do please? :think:

Jack t.N. said:
You can try that (use a PS/2 keyboard and only one memory module), but there is no guarantee that it will work.  You can also try to use an USB Flash Drive and put the BIOS File on there (try the plain BIOS file without renaming it to AMIBOOT.ROM as well).  If the procedure fails, contact your reseller for assistance.
Click to expand...

Thanks, will try that now.
 
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Given that I need a new BIOS to stabilise the system, but I can't flash whilst the system is unstable, what exactly am I supposed to do please?
Click to expand...

When there is reason to believe that the problem is memory related, there are a number of things that can be done to stabilize the system:

- use one memory stick only
- test each memory module with memtest86+ to make sure there is not problem with any of the modules
- use more conservative memory settings (DDR3-800, DRAM-Voltage=1.55V)
- only if you can get memset86+ to pass each test twice does it make sense to consider a BIOS Update to see if it improved memory compatibility.

 
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