If I want to change the temperature limit or current limit, where should I find these settings and change them

Those are in a few places, especially in regards to current/power limits.
Advanced >> Power & Performance >> CPU - Power Management Control
Advanced >> Thermal Configuration >> CPU Thermal Configuration
Advanced >> DPTF Configuration

Yes, thank you. However, I found that there is no CPU temperature limit option, and my CPU will drop frequency at 88°C. This limit temperature is a little low for laptop, and I want to set it to 96°C.

88c is melting the CPU already, sounds like you need to clean out your fans and put on new thermal paste. If you increase this and allow it to run at 96C that's only going to shorten the CPU's lifespan and possibly melt some stuff inside your laptop
You shouldn't even be reaching 88C! You need to clean the fans, and then adjust the fan speeds and trip points @ Advanced >> Thermal Configuration >> CPU Thermal Configuration >> Active Trip Point 0 and 1 (Adjust temp and fan speeds there)
See also Advanced >> DPTF Configuration, many sensor/fan/thermal trip points to adjust there too.

The 88C CPU Freq drop is due to Intel CPU design, not the BIOS, this is the CPU nearing where it's going to overheat and shut down. You could disable speedstep and EIST also, but that's going to make it run even hotter faster.
Also, at >> Advanced >> Power & Performance >> CPU - Power Management Control >> Thermal Monitor, if you disable that then CPU may not cut freq until 100C, but again as I mentioned above you should fix the issue not work around it (ie clean fans, put in new thermal paste etc)

ok

Zitat von guangzhishun im Beitrag #93

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Yes, thank you. However, I found that there is no CPU temperature limit option, and my CPU will drop frequency at 88°C. This limit temperature is a little low for laptop, and I want to set it to 96°C.

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hi, everyone, I have completed remaking the bios according to the following video

https://www.youtube.com/watch?v=aISCfhK05Rk

is this a safe way to mod your bios? I have the Asus fx504gd model and was also wondering if I need to rename the file as I believe bios is in the correct format; .317 bios number