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Gigabyte GA-990FXA-UD7 Installation Like I said before, the UD7 barely fits a normal casing. The Fractal Design XL I use is definitely not a small case so make sure this motherboard fits your case before you buy it. That said, it’s a beauty to behold with a wonderful colour scheme which is suited for many kinds of case mods. (note to this picture: The RAM sticks are installed badly, to run dual channel this board, in opposite to my last AM2+ Gigabyte board, requires the first and third as like second and fourth slot installed for dual channel) Testing rig Processor (CPU): AMD Phenom II X2 555 BE Motherboard: Gigabyte GA-990FXA-UD7 Memory (RAM): GeIL Ultra Plus DDR3-2000 CL9 Graphics card (GPU): ASUS ATi Radeon HD5870 1GB v2 Hard drives (HDDs): 2x WD 250GB 16MB Caviar SE ,1x WD 500GB Black, 1x Samsung SpinPoint F1 2TB Power Supply Unit (PSU): Zalman ZM600-HP Case: Fractal Design XL The BIOS is a typical old school Award BIOS with an amazing amount of overclocking options, especially when looking at the RAM page there is nothing more an overclocker could want. Now here arose a problem, though. On the previous board for testing (see other reviews with my name on them), namely the Gigabyte GA-785GMT-UD2H (AM2+), I had no problem whatsoever unlocking the AMD Phenom II X2 555 BE dual core to the X4 B55; in fact, it ran on 3.80GHz for well over a year. With the UD7 I have the problem that whenever I unlock any fourth core, the system will instantly crash under a bit of load in Windows. Many others have reported similar problems and Gigabyte has to date only responded with the following message: “In regards to the core unlock our engineers have looked at the AGESA code in the BIOS and have said that it is up to date in the BIOS you have and should work, they have explained they are unable to replicate the issue. At this stage as HQ are still working on the problems and they cannot replicate the Core Unlock issue on their sample boards” In fact, many people online are posting about similar problems, up to unlocking any core and being unable to boot. There is obviously some work to do here on Gigabyte’s behalf. Sadly the issues don’t end here, as the above issue only goes for a small group of people. A major issue with this board are the voltages that drop, especially under load. This phenomena is referred to as Vdroop. Generally speaking, Vdroop isn’t a bad thing as it’s used to reduce the voltage under load in order to prolong the life of your components. For overclockers there is an issue with Vdroop, though, as overclockers need the voltage they set in the BIOS to be constant and not jumping up and down, as this easily results in instabilities. For this the option Load Line Calibration (LLC) has been added, which should regulate the set voltages to be more constant. This option isn’t available in the UD7′s BIOS, so what does that get us? All results are with the latest 990FXA-UD7 F4g BIOS Deneb Phenom II X3 , 3.80GHz (CPUv 1.45) (NB 2.4GHz, 1.2v) VCore Idle: 1.488V VCore Load: 1.424V Thuban Phenom II X6 , 3.80GHz (CPUv 1.45) (NB 2.4GHz, 1.2v) VCore Idle: 1.488V VCore Load: 1.392V Thuban Phenom II X3 , 3.80GHz (CPUv 1.45) (NB 2.4GHz, 1.2v) VCore Idle: 1.488V VCore Load: 1.440V As we can see the differences are quite serious, and users online are reporting even more extreme voltage irregularities. To date, I have no explanation as to why the Deneb X3 results are worse than the Thuban X3, but the Thuban X6 is a record breaker with -0.058V off the BIOS setting. Besides the load voltages, it’s also not very durable to have +0.038 on your typical BIOS setting.
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Alpenföhn Peter Suiteáil Rig Tástáil Próiseálaí (LAP): AMD Phenom II X2 555 BE Motherboard: Gigabyte EN-990FXA-UD7 Cuimhne (RAM): GeIL Ultra-Plus 2000MHz CL9 4GB Grafaic cárta (GPU): Asus ATI Radeon HD5870 1GB V1 Thiomáineann crua (HDDs): 2x WD Caviar SE 250GB, 1 × WD 500GB Dubh, 1 × Samsung 2TB Spinpoint F1 Aonad Soláthar Cumhachta (PSU): Zalman ZM600-HP Cás: Dearadh XL Fractal Beidh mé ag tástáil an with ar HD5870 Asus V1 1GB, ar a bhfuil an tacaíocht with. Ní raibh an dul amach a bheith ina fhadhb ar chor ar bith, tá ceann amháin a chur ar an heatsinks ar an áit cheart gur gá iad a cooled, le beagán na cruthaitheachta is féidir gach cuid a fhuaraítear díreach chomh maith le tacaíocht ar chártaí. Tabhair faoi deara, an ticéad isn'ta do rath ráthaithe má tá tú iarracht seo with maidir le cárta nach bhfuil tacaíocht, a tharlaíonn sé ach a bheith ag obair fíneáil ar an gcárta. É sin ráite, a ligean ar bogadh ar aghaidh leis an tsuiteáil iarbhír. Is é seo a shuiteáil with leor pian ar an asal mar tá go leor céimeanna nach mór a bheidh le glacadh. Tar éis dhíchóimeáil an stoc with tá ceann a sholáthar ar na codanna teas a ghineann (cosúil le cuimhne, VRM ar, etc) leis an heatsinks ar fáil, trí chur i bhfeidhm na leis an heatpaste / gliú go mbíonn soláthairtí á Alpenföhn leis an with. Tar éis gur féidir leis an heatsink is mó a shuíomh ar an gcárta, ach tá an isn'ta próiseas an-iomasach agus a dhéanamh le scriúnna beag, in ionad córas thumbscrew cuí. Is é an chéad chéim eile a mount na scriosaidh lucht leanúna agus ansin an lucht leanúna mount, ach is é gléasta na scriosaidh i sliotán a pian mar gheall ar na scriúnna go leor beag go bhfuil a tightened. Le gach rud i bhfeidhm a tháinig mé ar an tuairim shocking a úsáideann seo with cúig sliotán. Sin CÚIG sliotáin sin, ag fágáil iomlán de dhá sliotán ar mo oversized agus dea-feiceáil EN-990FXA-UD7 príomhthionscadal, Gigabyte ar. Mar a fheiceann tú sa phictiúr, an heatsink, a, arís, meáchain go maith thar gach cileagraim cuireann, i ndáiríre brú trom ar an gcárta agus bíonn a tharraingt sé síos. Ní maith liom páirteanna trom, go háirithe nach bhfuil ar ghairis cothrománach. Tá pictiúr ar cad a tharlaíonn do do chás i gcónaí-sin-glan-agus-spacey, tar éis duit seo a shuiteáil Beast de with. Tá sé i ndáiríre is féidir úsáid a bhaint as dhá cheann de na heatsinks i thus dé-chárta, a bhfuil iontas smaoineamh ar a mhéid. Gá duit a mount an lucht leanúna bharr na craoibhe na cártaí cé ionad infront.