Question Problems with recording CMOS of ASUS 450 F Gaming Motherboard

May 27, 2021
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I have an Asus B450F Gamming motherboard, I want to record the CMOS as the BIOS is corrupted and no message appears on the screen. The PC is totally dead. I am going to use the CH431A, the CMOS is 512Kb, but Asus BIOS .cap file is 16Mb and I need is a .bin file, can anyone help me? Why, if the CMOS is 512 Kb, the ASUS file is 16 Mb? Thanks.
 
May 27, 2021
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You can use an USB drive to update the Bios from CAP file, there is a button at the rear panel for that.
Thank you Ivt.
This is my case. I tried to update the BIOS with a USB using the .CAP file from the ASUS website. I went through the whole procedure, but when the PC restarts nothing appears on the screen. Someone recommended that I use the CH341A to record CMOS. But I don't know how to get the file to record the CMOS, which must be a .bin. My CMOS chip is the 512KB W25x05CL, but the BIOS .CAP file is 16MB. How to get the .bin file to record CMOS. My motherboard is the Rog Strix B450-F Gammin, this model does not have the reset button nor does it have dual BIOS. Can anybody help me? Please.
 

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