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[Official] MSI 790FX-GD70 Owners Club - Page 497

post #4961 of 9641
Quote:
Originally Posted by NCspecV81 View Post
got an enermax 1250w coming. can't wait to finally juice these cards on a gd-70!
That the Evolution?

If so, I got the 1050 Revolution 85+, and it is a TANK. I power an OCed unlocked 550BE, 4xSamsung HDDs, 1 SSD, 1 BD-ROM, a CPU HSF, 200mm case fan, 140mm case fan, 3 80mm case fans, and 2x 5850s...and it never even hiccups.

Good stuff there, NCspec. Good luck
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2x OCZ VertexII RAID0 + 2xSamsung F1s RAID0 Lite-On BD-ROM/DVD-RW WinXP Pro x64/Win 7 Pro x64/Kubuntu 9.10 x64 Acer G24 Ferrari 
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post #4962 of 9641
yep the evo galaxy. 6 12v rails @ 30amps is a BEEEEEEEEEAST!
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post #4963 of 9641
Quote:
Originally Posted by NCspecV81 View Post
yep the evo galaxy. 6 12v rails @ 30amps is a BEEEEEEEEEAST!
My PSU has a single 12v rail, 60amps Mmm!
post #4964 of 9641
This is a bad ass board with a lot of features. Overclocking is a breeze with it! I'd recommend it to anyone looking for a good crossfire, trifire, and quadfire motherboard. Haven't found one thing I dislike about it yet!
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post #4965 of 9641
I am really not understanding the first four voltage options for this board. I have looked around, and found This and also read mduclow's guide .

Quote:
Originally Posted by bit-tech.net
CPU Vdd Voltage: This is the positive voltage supplied to the FETs. MSI states (on another 790FX board with Phenom II) that 1.3 to 1.4V is typical safe value, however we've increased it here because we've added additional cooling to the CPU socket area with two large fans.

CPU-NB Vdd Voltage: This can also help with increasing the integrated memory controller overclock - we've not increased it here, but considering AMD claims 1.4 to 1.5V for the CPU-NB core for optimum results, the CPU-NB Vdd should also be ~1.3 to 1.4V.

CPU Voltage: Typically the 45nm SOI Phenom IIs can withstand quite high voltages so 1.5V should be OK if it's properly cooled. However it's worth mentioning that this is wrongly labeled, and is actually the voltage offset, as increasing the Vdd above adjusts this value as well.

CPU-NB Voltage: Like the above setting, working in combination with the CPU-NB Vdd setting will give you an additional voltage. Work with mostly Vdd and start with a small setting here.

CPU PLL Voltage: Similar/same as the VDDA on Asus boards and can directly reflect chipset and MOSFET temperatures so it's worth keeping an eye on the heatsink. 2.6 to 2.8V can sometimes make a difference: MSI allows particularly fine tuning on the GD70, but we found it didn't affect our overclock so we left it at the cooler 2.65V.
Quote:
Originally Posted by mduclow View Post
On our board (790FX GD70), the first two voltage options should not go over the stock voltage for your chip and NB. For a C2 965 this would be 1.425 for the CPU and 1.3125 for the CPU-NB (the first two options). The second two (#3 & 4) are for adjusting above stock voltages. So if we say increase the CPU volts to 1.475, set the first to 1.425 (965 C2 chip), the second can stay on auto (not o/c'ing the NB in this example), the third to 1.475 and the forth to auto. Got it? If we say increase the CPU-NB volts to 1.35, then the first is auto, second 1.3125, third auto, and forth 1.35. Make sense?
So, bit-tech seems to say (at least for the CPU-NB v) that these values are cumulative, wheras mduclow has them as a min/max (stock/overvolt). What do these options really do? If it is a min/max setup, wouldn't stock voltage be assumed for the first two options?

Help please!
post #4966 of 9641
Does anyone with ACC set to auto in bios when the computer cold boots or reboots get a giant loud click all fans run run on high for a second then all go back to normal and boot up?

edit..It has always done this for me just wondering if its normal im on 1.9 bios now
post #4967 of 9641
Quote:
Originally Posted by dir_d View Post
Does anyone with ACC set to auto in bios when the computer cold boots or reboots get a giant loud click all fans run run on high for a second then all go back to normal and boot up?

edit..It has always done this for me just wondering if its normal im on 1.9 bios now
I have never noticed this myself, but I have ACC disabled. Do you have the same issue with ACC disabled?
post #4968 of 9641
Quote:
Originally Posted by moorhen2 View Post
Lets begin with NB voltage,this has nothing to do with overclocking the NB frequency,it's the voltage supplied to the chipset,so such high voltages are not required,i run mine @1.26v which is more than enough.

It's the cpu and cpu-nb voltages that count when overclocking,and running your CPU-NB at 1.55v is not advised,as this is over the recomended voltage that AMD specify as safe on air cooling,hope this helps.
I don't keep these values on all the time, I was just testing to see how far I could go with such high voltages. However, I did notice that a higher NB voltage would allow me to cold boot to 2800mhz-3000+mhz settings for my NB speed. If I had anything lower than 1.35-1.4V for my NB, I would get no boot. Strange, no?

I normally run my NB at 2600 with 1.25V on my CPU-NB voltage, 1.26V for my NB, and my CPU @ 3800 with 1.4375V as I don't want to ruin my precious parts.
    
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post #4969 of 9641
Quote:
Originally Posted by Rains View Post
I have never noticed this myself, but I have ACC disabled. Do you have the same issue with ACC disabled?
No...Thats why i asked, ill try to take a sound bite or something later.
post #4970 of 9641
Quote:
Originally Posted by dir_d View Post
Does anyone with ACC set to auto in bios when the computer cold boots or reboots get a giant loud click all fans run run on high for a second then all go back to normal and boot up?

edit..It has always done this for me just wondering if its normal im on 1.9 bios now
All my fans boot up fine, but I noticed my GPU fan does run on high for about a second or two when I boot up/reboot. This is with ACC set on off, auto, and manually set for each core.
    
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