GA-EX58-UD5
http://www.gigabyte.com.tw/Products/Motherboard/Products_Overview.aspx?ClassValue=Motherboard&ProductID=2958&ProductName=GA-EX58-UD5
Intel i7-920 x20mult 2.666GHz .80-1.375V OC to 3.4GHz
http://ark.intel.com/Product.aspx?id=37147
Kingston KHX1600C8D3K3/6GX (3 x 2GB) 240-Pin DDR3-12800: 8-8-8-24-1t 1.65v nominal
http://www.valueram.com/datasheets/KHX1600C8D3K3_6GX.pdf
If you haven't yet done it, I would start by going to BIOS F9e; you can find it here:
http://www.tomshardware.com/forum/263130-30-mobos
then, start with a BIOS' "Load Optimized Defaults"...
Before we start ramping things up, I want to teach you a new skill involving the BIOS: Do the <DEL> at the boot to enter the BIOS; notice, at the bottom, the <F11> "Save CMOS to BIOS" - hit this, and you should get a menu that will show a number (the count varies by BIOS) of empty 'slots', each of which will store an entire set of BIOS parameters, to be re-loaded from the corresponding <F12> "Load CMOS from BIOS"; this is a wonderful overclocker's feature. What I do with it, is to save my 'baseline' working parameters, so if I change something that 'irritates' the board, and forces a reset of all the parameters to defaults, or, even worse, get so screwed up I need to do a 'clear CMOS', I can get back to my starting point with no effort, and without having to remember 85 separate settings! Another thing it prevents is two hours' troubleshooting, having forgotten a change to a crucial parameter - like, "wait a minute - didn't I have the Trd at seven?!" It's pretty self-explanatory, and I alway urge people to start right away by taking the time to give the 'slots' names that mean something: in two hours, "Try2" and "Try3" will not be very helpful, but "450@+10MCH" and "450@+15MCH" will! Another use is for 'green' settings; overclocks, as a rule, do not 'play well' with green features, such as 'down-clocking' and 'down-volting'; with the storage slots, you can set up one profile, say "Green", with all the settings at 'stock' values, and all the 'green' features
enabled; another, say "Balls2Wall" with a full overclock, and all the 'green' stuff turned off... Another neat feature of this 'slot' system is, for most BIOS, the mechanism itself will keep track of which ones have booted successfully, and how many times (up to, I believe, a max of five)!
On the "MB Intelligent Tweaker(M.I.T.)" page:
"CPU Clock Ratio" to "20x"
"CPU Frequency" - this one can't be set, it's calculated, and will change when we set the next few items...
On the "Advanced CPU Features" sub-page:
"Intel(R) Turbo Boost Tech" to "Enabled"
"CPU Cores Enabled" to "All"
"CPU Multi Threading" to "Enabled"
"CPU Enhanced Halt (C1E)" to "Disabled"
"C3/C6/C7 State Support" to "Disabled"
"CPU Thermal Monitor" to "Enabled"
"CPU EIST Function" to "Disabled"
"Virtualization Technology" to "Enabled" - this allows use of Win7's fantastic VirtualXp feature...
"Bi-Directional PROCHOT" to "Enabled"
On the "Uncore & QPI Features" sub-page:
"QPI Link Speed" to "x36" (may 'bump' to x44 later...)
Uncore Frequency" to "20" (may 'bump' to x22 later...)
Isonchronous Frequency" to "Enabled"
On the "Advanced Clock Control" sub-page:
>>>>>Standard Clock Control<<<<<
"Base Clock (BCLK) Control" to "Enabled"
"BCLK Frequency (MHz)" to "160"
"PCI Express Frequency (MHz)" to "101" (not auto)
"C.I.A.2" to "Disabled"
>>>>>Advanced Clock Control<<<<<
"CPU Clock Drive" to "800mV"
"PCI Express Clock Drive" to "900mV"
"CPU Clock Skew" to "0ps"
"IOH Clock Skew" to "0ps"
On the "Advanced DRAM Features" sub-page:
"Performance Enhance" to "Standard"
"Extreme Memory Profile (X.M.P)" to "Disabled"
"System Memory Multiplier (SPD)" to "10x"
"DRAM Timing Selectable (SPD)" to "Manual"
>>>>>Channel A/B/C Timing Settings: (all the same)
>>>>>Channel A Standard Timing Control:
"CAS Latency Time" to "8"
"tRCD" to "8"
"tRP" to "8"
"tRAS" to "24"
Italicized values should be good in auto after "Load Optimized Defaults"; have put in some 'check me' values [I'm uncertain yet about some - please post back with your 'auto's], but to start, leave in auto...
>>>>>Channel A Advanced Timing Control:
"tRC" to "36"
"tRRD" to "5"
"tWTR" to "6?"
"tWR" to "12"
"tWTP" to "24?"
"tWL" to "7"
"tRFC" to "88"
"tRTP" to "8"
"tFAW" to "??"
"Command Rate (CMD)" to "1T"
>>>>>Channel A Misc Timing Control
"Round Trip" to "??"
On the "Advanced Voltage Control" sub-page:
>>>CPU
"Load Line Calibration" to "Disabled"(this works differently on different boards - on mine, it's worse "enabled" than "disabled" - the function is supposed to cure a phenomenon called Vdroop - the CPU voltage regulation circuit causes the CPU core voltage to sag, or 'droop' under high loadings; hopefully, we're going to be at a low enough voltage to just ignore this...)
"CPU Vcore" to "1.35"
"QPI/VTT Voltage 1.150v" to "1.374" May need to bump for stability
"CPU PLL 1.800v" to "Auto"
>>>MCH/ICH
"PCIE 1.500v" to "1.5"
"QPI PLL 1.100v" to "1.2"
"IOH Core 1.100v" to "1.2"
"ICH I/O 1.500v" to "1.5"
"ICH Core 1.1v" to "1.2"
>>>DRAM
"DRAM Voltage 1.500v" to "1.66"
"DRAM Termination 0.750v" to "Auto"
"Ch-A Data VRef. 0.750v" to "Auto"
"Ch-B Data VRef. 0.750v" to "Auto"
"Ch-C Data VRef. 0.750v" to "Auto"
"Ch-A Address VRef. 0.750v" to "Auto"
"Ch-B Address VRef. 0.750v" to "Auto"
"Ch-C Address VRef. 0.750v" to "Auto"
On the "Integrated Peripherals" page:
"USB Storage Function" to "Disabled"
And that should do it!
I should point out that getting two reboots in a row here is perfectly normal behavior; it seems that, when you change certain settings (and we don't exactly know which ones - the only sure one I know is Trd - if you change it, I think you get the 'twin' reboot) it boots once to 'see where it's at', recalculates its remaining 'auto' settings, saves them, and then boots again. Three reboots in a row, however, usually indicates that the board was 'given indigestion' by your settings, and is going back to defaults. This sometimes goes astray, and it doesn't get back into proper operation - for example, at this point, mine will sometimes 'lock' itself into 111MHz x a six multiplier - and take a week to do a whole boot - that's time to do a CMOS reset, and use your 'stored' <F12> profile to get back to where you were...
Good luck!
Bill
As more of these boards are showing up (and most of the 'gotchas' are getting conquered), more people are asking about them...
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