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NVIDIA BIOS Editor (NiBiTor) is a utility for changing quite a few BIOS parameters in NVIDIA video cards, including: loading and saving any BIOS Image files; loading the current BIOS from memory; changing Device ID, Sub Device ID and Sub Vendor ID (built-in list of more than one and a half thousand vendors); changing internal fonts; self-installation of boot options.


Let's look at one of the most functional programs for NVIDIA Bios. You can do almost everything in it and “even more”... Having launched the program, the main window appears in front of us.


Where we can:

Via menu:

1. File - load or save the BIOS file.
2. Through the "Tools" tab:



a) Manually edit BIOS-HexView.  
b) Read the BIOS directly from video cards into a program or file. First, select the video card in the Select Device menu, and then choose where to read into the program (Read into Nibitor) or into a file (Read into File).
c) Create or change the voltage table (Voltage table Editor) of the core.
PSOnly on those video cards that support softvolt mode, for example, GF6800 and GF8800 (some models).
d) Adv. Memory config for setting timings through registers.
3. Info - various types of information.

Through bookmarks:

1. Clockrates - set the operating frequencies of video cards.
By activating "Change amount of active performance levels" you can select several frequency levels, for example, 2D3D. The frequencies will change depending on the operating mode of the video cards.
PS Set the video memory frequencies for all modes to the same, otherwise the video card will freeze when switching modes. Set different frequencies for the video core.
2. In the "Voltages" tab, you can do "Softvoltmod" if your video card allows it. Simply by selecting the desired core voltage.



3. In the "Timings" tab, video memory timings are edited. To do this you need:  


a) Define a group of timings for editing by simply clicking "Autoselect Timingset".
b) By selecting “Detailed Timings” you get a transcript of the timings, where you can change them.


c) By selecting "Test Timings" you can test new timings in real time. By clicking "Get Timings" you get the currently set timings, and by selecting "Set Timings" you set new ones.  
PS After a reboot, all test timings are reset.


4. In the "Tempertures" tab, you can specify the thermal protection response temperature and cooler speed depending on the operating mode of the video cards.


5. In the "Boot Settings" tab, select the inscriptions that the BIOS displays during boot. You can also change the Tv Out operation mode.


After you have done all the manipulations, save the new BIOS and flash it.

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