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2T command rate not available on some steppings

post #1 of 16
Thread Starter 
After a late night of working on determining my mem frequency limit, it has been revealed that my 3700 Sandy will not support 2T command rate, according to some of the posts over at DFI-Street

Or at least it's not showing up in the Genie Settings.

Is this true, or is there a bios that will allow 2T command rate ?
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post #2 of 16
I have 2 3700+ San Diegos and both support 2T. It could be an option on your Ultra D bios that is missing.

I remember that the nF3 250Gb shipping bios does not support 2T. A bios flash resolved that. I had a 3200 Newcastle and a 3700 Newark, both supporting 2T.

All of those CPUs are E4, with the exception of the Newcastle, which I cant recall the particular stepping.
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post #3 of 16
Thread Starter 
I believe this one is an E6 Stepping (haven't had time to check it out yet - lots and lots to do still)

That's prolly why it isn't coming up, had myself worried there for a moment.

I suppose I will try some bios flashes and see if I can get it to show up.

Thanks.
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post #4 of 16
The "E4" Retail will have an ending PN of BP the E6 will end in BW.
Not sure ion that BIOS ... but enable CPC = T1 disable = T2.
    
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post #5 of 16
Thread Starter 
from what I have read the selection should be just before the CL setting but it is missing in my genie.

I looked and looked and looked everywhere in the bios and no setting.

I believe it is a CAJBW ???? didn't write it down, I need to download all the utils and check it out. (soooo much to do te he he)

I'll try a bios flash when I get home and see what happens ?

Thanks DUKE !!

isn't this fun !?!?!
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post #6 of 16
I believe the only way to determine the stepping is to read it off the chip's IHS... not sure though.
post #7 of 16
Thread Starter 
I know the part number ends in CF.

The 1 customer review on the part I ordered from NewEgg said they were E6 steppings.

1 guy also says it's really a Toledo with 1 of the cores disabled, hmm.
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post #8 of 16
Quote:
Originally Posted by Namrac
I believe the only way to determine the stepping is to read it off the chip's IHS... not sure though.
Correct... no software gives up the production stepping... just the basic stepping reflecting the mem ctrl ver.
    
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post #9 of 16
Thread Starter 
Well, I s'pose I'll have to pull off the HSF and If I really want to know.

I'm pretty sure its an E6 tho.

Could explain the anomaly with the Genie bios.
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post #10 of 16
Thread Starter 
Quote:
Originally Posted by The Duke
Correct... no software gives up the production stepping... just the basic stepping reflecting the mem ctrl ver.
What is the OPN number ? can any info be gleaned from it ?

BTW flashing the Bios to OCZ Tony's corrected the missing command rate functionality
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