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LGA 2011 Xeon Code, what does it mean ?

post #1 of 3
Thread Starter 
I'm looking in buying 2 Xeons for my next build, 2 LGA 2011 Xeons that is.

For now i dont know wheter or not i should go with the cheapest ones there are and wait for the 10, twelve core models, or pick some engineering samples on Ebay.

I dont" want to be spending tons of money on CPUs either.

There are some 2670 CPUs on ebay, but they're ES, engineering samples.
I do not know wheter its a smart idea making my build with engineering samples, if it dies on me, then there these are lost money we are talking about.

Take for instance this 2670 on ebay.

Price, aprox 400 euro, the complete name is:

Intel Xeon E5 2670 2.6Ghz (3.3Ghz Max Turbo) 20MB L3 Sandy Bridge-EP QB7A C0

Question 1)
What does QB7A C0 mean, anyone have any ideea, cause all ES CPUs that are to be found on ebay,, the seller specifies this code.
Does that mean something in particular i should be aware of ?

There is another issue:

Another seller who sells 2665, lists QA8Z QA90. The thing i was going to want to talk about is the following. He says

"will not work on ASUS motherboard with .CAP BIOS

only work with .ROM BIOS

Please make sure you know exactly what you are buying,"

Question 2)
ANyone have any ideea what this CAP/ROM Bios is ?

I read somewhere on Asus website on one of its boards that the CAP bios is required for windows 8.
I will want to be switching to windows 8 at some point in the future, since windows 7 supports maximum 192gb ram, whereas the motherboard supports 256 gb, and windows 8 supports 512 ram, and i want to make sure before i buy the CPUs, that i will be able to upgrade to windows 8.

I do not know wheter the ASUS Z9PED8-WS that i have now has CAP or ROM Bios, have no ideea, it sits packed in its box, as i need some more case labs stuff before i assemble it in my case, and CPUs allready at hand before i check what kind of bios it has somehow, which defeats the purpose of knowing before i buy the cpus, since i need a cpuu to make the whole thing work in the first place.

Hope somebody can help me. frown.gif
post #2 of 3
Pretty sure C0 is the stepping.

not sure about the rest of it, sorry.

Just personal opinion, I wouldn't feel comfortable buying multiple ES chips for a single rig, but that's just how i feel about it. Some people are more open to those sorts of things
Edited by xPrestonn - 1/22/13 at 6:35pm
    
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CPUMotherboardGraphicsRAM
i5 4460 Gigabyte GA-H97M-D3H sapphire R9 290 Crucial Ballistix 1866mhz cas9  
Hard DriveHard DriveHard DriveCooling
WD caviar blue 1tb WD caviar black 500gb Samsung 840 Evo stock :^) 
OSOSMonitorMonitor
Windows 8.1 Ubuntu LG IPS 236v Asus 1080p IPS  
MonitorKeyboardPowerCase
Acer K272HUL Das Model S Ultimate Corsair TX750 Corsair 350D 
MouseMouse PadAudio
Mionix Naos 3200 // Razer Deathadder  QcK xonar Dx 
  hide details  
Reply
post #3 of 3
Thread Starter 
Can i looks somewhere to see a list of all the steppings and revision released for a chip so far ?
Ive read there are also C1 and C2 steppings. Anyway to knwo what is the latest version of a certain chip available on market without actualy buying the chip ?
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