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Giga X58A-OC sneak peek ...


OBR
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azinl.jpg

 

Box

 

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Box

 

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Accessories ...

 

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Board angled

 

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Board angled

 

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Board angled

 

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Front view

 

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Backside

 

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Front panel connectors

 

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SATA 3G+6G

 

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Mems slots

 

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CPU area

 

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Back panel

 

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PCI-E slots

 

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SB heatsink

 

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NB+VRM heatsink

 

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BIOS switch + Additional ATX Power 1

 

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SB

 

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SATA 6G driver Marvell

 

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Two BIOSes

 

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Next ATX Power 2 + Main ATX

 

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Buck 2-phase controller for Mems

 

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Mems VRM - 2 analogue phases TrenchMOS mosfets Vishay

 

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NB VRM - 2 analogue phases TrenchMOS mosfets Vishay

 

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Display driver Nuvoton and display

 

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Measuring points, Reset switch

 

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Buttons

 

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PWM Frequency switches, max is 1000 kHz, Reset CMOS button

 

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6-phase Intersil Buck controller for CPU. CPU VRM has 12 mosfets (phases), divided by Vishay freq dividers to 6-phases on Intersil ...

 

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12x DrMOS Vishay

 

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Vishay SiC769CD, Renesas has more better characteristics ...

 

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LAN chip

 

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cheap USB 3.0 EtronTech

 

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Uncore VRM - 3 analogue phases, controlled by 2-fase Intersil Buck controller

 

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Intersil ISL6312 - Two phases Buck

 

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ICS Clock

 

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Super I/O

 

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Realtek audio

 

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Freq/phase divider Vishay ... on back of PCB

Edited by OBR
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b6bxua.jpg

 

400 KHz, idle VCore - LoadLine OFF

 

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800 KHz, idle VCore - LoadlIne LVL2

 

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800 kHz, LoadLine ON - Cinebench xCPU

 

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DDR3 - 1.7V Load

 

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This VRM is tuned extremely great! Max ripple at any load was +/- 50mV which is really great result ...

Edited by OBR
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First impressions: solid board, 222 BCLK on Air with pretty old C0 Core i7-920 set directly from BIOS to OS and SuperPi 32M ... later will test with Core i7-990X and some cheapest Xeon under LN2 ...

 

BCLK Buttons really works, but not with higher BCLK then 220 MHz ... maybe problem of old bios?

 

Problems: Plastic pins on VRM heatsink - bad contact with mosfets! Plastic pins on High-end board?

 

No actual Voltage readings in BIOS :( ...

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BCLK Buttons really works, but not with higher BCLK then 220 MHz ... maybe problem of old bios?

 

Had board up to 253 with buttons.........also did a you tube of bclking on the fly in 3d to show limits of 3d benching at 234/235.

 

014 bios.

 

bush_doing_it_wrong.jpg

Edited by chew*
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ive played with only one hour, have to test today better, btw what is your PCI-E for that high BCLK?

 

Board seems to like 112. Tested with 3 bloomfields to 248 @ 112, high limit seems like 120 hard drive dependant, needed for 250+ if you are booting these speeds like I am.

Edited by chew*
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this makes such a nice base for lots of marketing CPU-Z validations :D

 

True but that is common for 920's at an unstable QPI or uncore........

 

I can do same on an asus with a clarkdale and have........

 

It's up to the overclocker if he chooses to submit a bugged result.

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Its not bug with wrong BCLK only in Cpuz, but this BCLK fluctuation is REAL! Look ... BCLK was 235 x 21! ! !

 

Real screenshot:

 

1ze84zl.jpg

 

 

Bugged screenshot:

 

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Result is higher, BCLK has to be a 235! but is higher for real ... not only in Cpuz ...

 

Something is wrong with that OC controller on board ... this CPU under air, cannot to reach 262 BCLK and 5,2 GHz :)

Edited by OBR
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Its not bug with wrong BCLK only in Cpuz, but this BCLK fluctuation is REAL! Look ... BCLK was 235 x 21! ! !

 

Real screenshot:

 

1ze84zl.jpg

 

 

Bugged screenshot:

 

jjn591.jpg

 

Result is higher, BCLK has to be a 235! but is higher for real ... not only in Cpuz ...

 

Something is wrong with that OC controller on board ... this CPU under air, cannot to reach 262 BCLK and 5,2 GHz :)

 

Doubt the speed is actually higher, just because Aida thinks it higher and scores better doesn't mean its actual.

 

We have seen similar trends with other benches. maxmem for instance can be exploited by raising AMD's NB multi in windows.........but the reality is it actually can not be raised. However the benchmark still reflects higher scores becasue it thinks the clocks are higher.

 

My guess is certain benches can be impacted and certian ones can't.

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funny you can still validate lol, i can't believe you thought i hit 276 lol.

 

I hear that the bug is a bug yes, but its for real i actually hit 276blck for a few milliseconds and then done. But its not something i will submit as i feel it is partly cheating. I have seen this happen on other non GB X58 boards in other threads, make you question some of these insane high blcks even with minor testing. Anyways i feel as though this board is built for gulftown much more than bloomfield.

 

i like the plastic pushpins, easier to keep track of, my contact to MSOFETs were fine.

Edited by sin0822
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