GTX590-加压-超频-爆炸-烧毁！ - POPPUR爱换

本帖最后由 drifting 于 2011-3-25 02:53 编辑

来自 techpowerup 的评测：

With a card like GeForce GTX 590, that has so much latent performance, I couldn't wait to try bumping the voltage to see how much I could gain from it.

对于 590 这么强力的卡，我迫不及待的想看看提升电压能带来多少超频。

As a first step, I increased the voltage from 0.938 V default to 1.000 V, maximum stable clock was 815 MHz - faster than GTX 580! Moving on, I tried 1.2 V to see how much could be gained here, at default clocks and with NVIDIA's power limiter enabled. I went to heat up the card and then *boom*, a sound like popcorn cracking, the system turned off and a burnt electronics smell started to fill up the room. Card dead! Even with NVIDIA power limiter enabled. Now the pretty looking, backlit GeForce logo was blinking helplessly and the fan did not spin, both indicate an error with the card's 12V supply.

第一步，我把电压从 0.938 V 提升到了 1.000 V，最大稳定频率达到了 815 MHz，比 580 都高！然后我继续尝试了 1.2 V，频率设置为默认，并且启用了 NVIDIA 的功耗限制（也就是说并没有用 GPU-Z 破解功耗限制）。当我把显卡跑起来的时候，听到一声爆米花炸开一般的响声，电脑自动断电，并且房间里面开始弥漫烧毁的电子元件的气味。卡就这么被**了！还是在功耗限制的作弊生效的情况下！现在那个漂亮的 NVIDIA 图标的 LED 呼吸灯无助的闪烁着，但是风扇再也不转了，说明 12V 供电已经损坏。

After talking to several other reviewers, this does not seem to be an isolated case, and many of them have killed their cards with similar testing, which is far from being an extreme test.

当我和其他的评测网站交流后发现，我这并不是特例。他们许多人也如此将 590 **了，而这并不是什么极限测试！

With the card dead, I looked for any damage and found one of the 12V input resistors acting as fuses to be damaged (1st pic, no visible damage), so I soldered a bridge on it to bypass it, the card then "exploded" again, this time one of the MOSFETs blew up as shown in the second picture above. This was just an experimental fix to potentially revive the card. If only the resistor was damaged then it should be working fine again, looks like something else was broken and the "fuse" resistor merely blew to protect the card.

我试着寻找损坏的部位，发现其中一个当作保险丝用途的 12V 输入电阻坏了（图1，非可见损坏），于是我跳线之，希望卡能活过来，但是，卡又一次的“爆炸”了，这次是一个 MOSFET 遭殃（图2）。这仅仅是一个试图复活这卡的实验，但很显然这卡不信春哥。如果只是电阻坏了，卡应该能复活的，所以估计别的啥器件被**了，而这个保险丝电阻仅仅是保护性的断开电路以保护显卡。
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Thanks to the kind people at ASUS, I was lucky enough to have two cards for an SLI review - for which NVIDIA could still not provide a Quad-SLI supporting driver. So at least I could finish the rest of this review. I most strongly advise anyone to stay away from overclocking this product and use extremely conservative settings, maybe up to 650 MHz and no voltage adjustments.

多亏了华硕的好心人送了两张 590 给我（为了做四路 SLI 评测），我才得以继续完成剩下的评测。我强烈建议大家别拿 590 超频，尤其是电压千万别乱提升，最好是别超过 650 MHz，并且别动电压。

According to NVIDIA this should not happen. In their official reviewer driver (which I used), the NVIDIA Power limit is designed to be active for all applications, not only Furmark.

根据 NVIDIA 的说法，这种情况并不应该发生。在我所使用的官方驱动中，功耗限制被设计为对所有应用程序生效，而并非仅仅局限于 Furmark。