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CPU microcode... what's it ?

post #1 of 9
Thread Starter 
hello guys...

as I have bought an MSI P55-GD55, I am looking at the download page of my board, and as I went to BIOS, I found the latest release of BIOS, with a note saying: "updates CPU microcode" so I am searching google about this, but I got a bit confused, that I wanted to discuss this with you here, and know more about it...

so do I really have to flash the motherboard for the latest BIOS to update the microcode of my i7 860 ??

what do I expect of performance change as flashing to the latest release of BIOS ( to update the CPU microcode ) ?

thanks in advance..
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my humble epic
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post #2 of 9
i think it has to do witht he identification of your cpu by your motherboard. so if a new cpu ever was released to be used on your mobo, the microcode would have the id so that u can actually use that cpu.
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by subliminally incorrect View Post
i think it has to do witht he identification of your cpu by your motherboard. so if a new cpu ever was released to be used on your mobo, the microcode would have the id so that u can actually use that cpu.
if what you are saying is true, then they would simply tell that the new BIOS release "supports new CPUs"..

I read somewhere that updating to a BIOS that "updates CPU microcode" is to correct some CPU errors ??

I can't understand this, especially that we all know that hardware errors can't be fixed by software, especially a piece of hardware like a CPU.
Edited by the magical me - 11/29/10 at 4:55pm
my humble epic
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my humble epic
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post #4 of 9
Quote:
Originally Posted by subliminally incorrect View Post
i think it has to do witht he identification of your cpu by your motherboard. so if a new cpu ever was released to be used on your mobo, the microcode would have the id so that u can actually use that cpu.
^ This
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post #5 of 9
it looks like they are just wording it in a confusing way to make it look cool, high tech/whatever. I'm sure what they mean is to "properly identify/recognize and display new CPU" no necessarily to SUPPORT it.
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post #6 of 9
Thread Starter 
ummm...

I tend to flash my new motherboard to the latest BIOS anyway, but this will be my first experience with MSI, and am not sure if it will work properly, that I used to use Asus boards, and flashing them was like a charm using the EZflash utility that's integrated into the BIOS itself, so I wonder if there is any utility in MSI boards that enable me from flashing their motherboard by a USB stick ??

and is it guaranteed to be successful procedure like Asus's EZ flash utility ?

thanks
my humble epic
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CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
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my humble epic
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
CaseMouseMouse PadAudio
Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
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Technisat Skystar2 PCI satellite card. 
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post #7 of 9
Quote:
Originally Posted by the magical me View Post
ummm...

I tend to flash my new motherboard to the latest BIOS anyway, but this will be my first experience with MSI, and am not sure if it will work properly, that I used to use Asus boards, and flashing them was like a charm using the EZflash utility that's integrated into the BIOS itself, so I wonder if there is any utility in MSI boards that enable me from flashing their motherboard by a USB stick ??

and is it guaranteed to be successful procedure like Asus's EZ flash utility ?

thanks
It's called M-Flash and, in my experience, it works just as well as EZ Flash. However, MSI stupidly soldered the BIOS chip right to the board and people that corrupt their BIOS report that about 90% of the time the recovery program doesn't work; so if you screw up the flash you brick your board. Take extra precautions like reverting to stock settings, don't flash it during a thunder/wind/snow storm when you might lose power, etc.
Finally an update
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Finally an update
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post #8 of 9
Thread Starter 
thank you guys all...
my humble epic
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Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
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Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
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Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
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Technisat Skystar2 PCI satellite card. 
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my humble epic
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CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
CaseMouseMouse PadAudio
Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
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Technisat Skystar2 PCI satellite card. 
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post #9 of 9
CPU Microcode can fix CPU errors because you essentially updating how the CPU handles instructions. You're right that updating software can't fix hardware issues. BUT updating software CAN fix errors caused by the mishandling of instructions or simply carrying out instructions wrong. Errors caused this way can look like hardware issues to the untrained eye (including me).

Updating the CPU firmware (or Microcode) can correct most of these errors.thumb.gif
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