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The GDDR3 memory chips are made by Hynix and carry the model number H5RS5223CFR-N0C. With a cycle time of 1.0 ns, they are specified to run at 1000 MHz.
A Nexsem NX2422 is used to control the GPU voltage circuitry. It doesn't have an I2C interface so software voltage control is not possible. |
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