Stefan Mileschin

NVIDIA re-enabled overclocking on its GeForce GTX 900M series mobile GPUs, by releasing a new hotfix driver (GeForce 353.00 Hotfix). Launch drivers originally allowed overclocking on NVIDIA's GeForce GTX 900M series mobile GPUs. NVIDIA disabled overclocking with its R347 drivers, stating that overclocking was originally allowed due to a bug, drawing outrage from the PC enthusiast community. NVIDIA then re-enabled overclocking with its 347.88 drivers, with a quasi-apology. Then, without making much noise, the company disabled overclocking (or the "clock-block," as the enthusiasts are calling it), with its R350 drivers, which stayed on even as the drivers graduated to R352 series.

Following our May 21st report uncovering this, the company slipped out a driver hotfix, late last night. Version 353.00 Hotfix comes with a single item on its release notes, which reads "Fixes a regression that prevented overclocking the GPU on some GeForce Notebooks" (read: Whoops!). So gaming notebook owners have the freedom of overclocking their GPUs to tweak up eye-candy on the latest games, such as GTA V and The Witcher 3, which would have been buggy and unplayable, if users reverted to older R347 drivers, just to be able to overclock.

http://www.techpowerup.com/212813/nv...00m-again.html