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Articles: Video
NVIDIA GeForce FX 5900XT (SE/LE) Modding Experience (page 2)Category: Video [ 06/15/2004 | 03:50 PM ] IngredientsThis is a full list of all you need to walk in our footsteps:
Vgpu ModificationMy first modification in the “How to make your 5900XT into a racing car” series is a classic Vgpu volt-mod to raise the voltage of the graphics core. In all 5900XT graphics cards with PCBs of the reference design the Intersil ISL6522CB chip controls this voltage (there are only two above-mentioned exceptions). By the way, the 5900XT differs from the 5900 (without “XT”), which uses a more advanced ISL6569 controller. Now let me remind you a few basic things concerning volt-modding. The gist of any volt-modding is modification of the voltage feedback circuit. To do this, a resistor of the necessary resistance is installed between the feedback leg (or some other point of the circuit, if necessary – this usually becomes really necessary when the chip’s legs are not very convenient to solder upon) and the “ground”. Reducing the resistance we increase the voltage of the element. By the way, and this is very important! If you also use variable resistors, make sure the resistor is set to its maximum, not minimum on the first turning-on! If it is set to its minimum, the GPU will receive the maximum possible voltage and will die immediately in 90% of all cases! So remember this once and for all: reduce the resistance to increase the voltage! Now, after the preliminaries are over, let’s continue… Leg 5 of the Intersil ISL6522CB is responsible for feedback. To do the mod, we need to hang a 10,000 Ohms resistor between that leg and the closest ground. There are two more or less good candidates for the role of the ground: the seventh (corner) leg of the same Intersil chip or one of the central pins of the power connector. Sponsored links
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Category NewsCategory: Video Tuesday, January 18, 20051:26 pm NVIDIA Ships Entry-Level GeForce 6 for AGP Bus. NVIDIA Targets Low-End Market with New GeForce 6200 GPU Monday, January 17, 20056:00 pm ATI’s Partners Ship Company’s Top Graphics Card. ATI’s RADEON X850 XT Platinum Edition Ships to Market Wednesday, January 12, 20054:25 pm S3 and XGI to Get More Market Share? Persistence should be rewarded one day, don’t you think so? Monday, January 10, 200510:38 pm NVIDIA Targets Thin-and-Light Notebooks with New GeForce 6 Go. NVIDIA’s Forthcoming GPU to Target Small Laptops 3:47 am NVIDIA Will Not Release a New Architecture Until the End of 2005 – Analysts. Goldman Sachs Believes NVIDIA Corp. Unlikely to Release New GPU Architecture Soon All Latest News |
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