ghid complet deblocare procesoare x2 x3 in x4
TRANSCRIPT
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AMD 770 Chipset basedGIGABYTE motherboards enable
Triple core CPU to be turned intoQuad core CPUProduct Management Team
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Introduction
Why it can be achieved?
Answer: When AMD produces multi-cores CPU, for some quality control issues,(such as extreme high or low temperature), AMD samples out some quadcore Phenom II / Athlon II CPU and turn it into triple core CPU for sale. Soinside of a triple core CPU, it is still a quad core internally.
How to enable it?
Answer : To enable triple core CPU into quad core CPU, you need AMD SB750/710 with EC circuit, special BIOS to allow AMD ACC (Advanced ClockCalibration) and AMD triple core CPU as well.
Whats benefit?
Answer : End user can get as a Free bonus by purchasing a triple core CPUand turning it into a more expensive quad core CPU without paying extra.Performance also gains too.
Warning : User has to be aware, AMD and
GIGABYTE will NOT honor and guarantee the
performance and success of enabling thisfeature. Also the system stability may be
effected.
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Gears you need
To enable GIGABYTE AMD 770 chipset MB, you need following gears :
Warning : User has to be aware, AMD and
GIGABYTE will NOT honor and guarantee the
performance and success of enabling thisfeature. Also the system stability may be
effected
Motherboard with AMD SB 750/710
+ special EC mode BIOS :
MA770T-UD3P F2CMA770-UD3(2.0) FB
MA770-US3(2.0) FB
AMD Phenom II or upcoming Athlon IITriple Core CPU
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Step by StepStep One : Enter BIOS and verify
Hint : By press F9 in BIOS, you can see hardware informationIt shows
current CPUis triple core
Phenom II X3
CPU
It shows
current
motherboard
model and
BIOS version
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Step by StepStep Two : Enter M.I.T Menu
M.I.T is
centre ofoverclocking
menu for
advanced
user
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Step by StepStep Three : Enter Advanced Clock Calibration mode
Enter AMD
ACC Menu
for enabling
special EC
firmware
In default, the EC
firmware will be set
as Normal mode,
and ACC is
Disabled. Now we
are prepared to
enable both.
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Step by StepStep Four : Enable Hybrid EC + ACC Auto mode
Enter EC firmwareselection menu, select
Hybrid mode to
enable special tuned
BIOS.
In ACC selection,
default is Disable ,
now go enabling
ACC in Auto mode
to enable Sb750/ SB710 ACC feature.
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Step by StepStep Five : Save and Exit BIOS
BIOS will automatically
update new EC firmware
and re-boot the system
again to apply quad core
setting.
Please do turn off or reset
system during processing.
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Step by StepStep Six: Verify it
After BIOS enables
Hybrid EC + ACC,you can see, in BIOS
hardware
information (F9)
The current CPU
now is AMD Phenom
II X4 8700e !
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Step by StepStep Six: Verify it in post
Before After
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Proof and Performance Test resultCheck ET6 under Windows 7 RC
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Proof and Performance Test resultPerformance Test result 1 : CineBench R10 Multi CPU score
Quad Core EC enable
Standard Triple Core
8015
6122
Quad Core EC enable
Standard Triple Core
148Watt
137 Watt
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Proof and Performance Test resultPerformance Test result 2 : 3DMark 05 CPU score
Quad Core EC enable
Standard Triple Core
Quad Core EC enable
Standard Triple Core
145Watt
140 Watt
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Summary
After tests we can say :
GIGABYTE Hybrid EC firmware with ACC works
Performance gains depends on application 3~30%
Enabling Quad Core will increase slightly more power
consumption
In test, with exclusive GIGABYTE technology, to enablethis hidden trick from AMD CPU is simple enough. No
hassle, no pain.
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Models available
MA770-UD3 (Rev.
2.0)
MA770-US3 (Rev. 2.0) MA770T-UD3P