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01-04-2020, 08:35 PM
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#1
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Member
Registered: Mar 2006
Location: NYS
Distribution: Mandriva-2006
Posts: 123
Rep:
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Uefi bios update
I will be buying a new ASUS PRIME B450M-A/CSM A MB & AMD Ryzen 3 3200G (2nd GEN)APU & will have to update the MB bios. I have already downloaded the PRIME-B450M-A-ASUS-2006.zip bios update & copied it to a vfat formated usb pendrive.
If I install the new APU & the PC won't boot, will I be able to get into the Asus EZ MODE BIOS to do the bios update from a usb pendrive?
Some info I found on google make me think both a compatible CPU & a running OS are needed to do a bios update. Is the OS only needed to download the bios update file & put it on a pendrive?
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01-04-2020, 09:31 PM
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#2
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Senior Member
Registered: Apr 2009
Distribution: All OS except Apple
Posts: 1,591
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Quote:
128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorite, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control
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According to the specs page for that Mobo, It has EZ flash 3.
The Asus EZ flash 3 howto found here, says no need for a bootable disk or OS.
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01-04-2020, 10:10 PM
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#3
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LQ Veteran
Registered: Aug 2003
Location: Australia
Distribution: Lots ...
Posts: 21,335
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I have used all the variants to update consumer firmware - Windoze, a CD (yes, that long ago), and the native motherboard application. All worked fine, even offering to do a backup first.
However I have never done it with what may be considered an "invalid" CPU configuration. Should work, but might fail a POST before you can get in to update the firmware. With new CPU (families even) coming out all the time these days it should recover, but who knows in each specific instance.
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01-05-2020, 08:46 AM
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#4
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Member
Registered: Mar 2006
Location: NYS
Distribution: Mandriva-2006
Posts: 123
Original Poster
Rep:
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Thanks for the advice
Thanks for responding to my post.
I currently run an older Asus UEFI Apu system with just EZ Flash (not EZ3 Flash) Bios & it can definitely update BIOS from a USB pen-drive before the Grub2 boot loader even appears. That made me believe I could update BIOS without an OS.
However, I forgot that that a BIOS POST BEEP CODE might be needed to access the BIOS. So, if some piece of my hardware is not compatible, & I don't get the POST BEEP I may not be able to do an EZ3 FLASH bios update.
I'm going to read-up on trouble shooting Bios BEEP Codes just in case I run into this problem. However, this desktop build is actually a re-build using both new & existing hardware, so I think I should be ok.
Thank you again for your replies & if anyone can offer more advice, please do so --Stan
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