ASUS BIOS 1602 Beta with AGESA, better performance

asus bios 1602 beta with agesa, better performance

Tom Henry

ASUS BIOS 1602 Beta with AGESA, better performance

AMD has made it clear that in less than two weeks it will launch its new AGESA for the Ryzen 7000 and 1.2.0.B for the remaining Ryzen 5000, which will bring the mitigations to PC, so in certain scenarios we will find the performance loss which we discussed in the Inception vulnerability article. But before, and in silence, ASUS As a manufacturer, it wanted to provide Beta BIOSes, specifically the versions 1602which will arrive without this loss of performance, but with the improvements of AGESA for a limited time.

Well yes, if you don’t want to go through the hoops of mitigations and performance loss that we already saw because you dedicate your CPU to those environments, then this news is of great interest to you, because these will be the last AGESA updates without said loss. The problem is that they won’t appear on your motherboard’s website, and that complicates everything.

ASUS BIOS 1602 Beta with AGESA, the last loophole to fish for maximum performance


It has been in the official ASUS forum and in a branch dedicated to collecting test BIOSes for their motherboards where we have found the different versions mentioned above. We do not know for how long they will be available, since AMD has already given a more or less precise date for the official launch of AGESA as can be read in the latest newsletter offered by the company:

Mitigation details
Update to listed versions or higher
AMD Ryzen™ 3000 Series Desktop Processors AMD Ryzen™ 5000 Series Desktop Processors AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics AMD Ryzen™ 7000 Series Desktop Processors
AGESA™ Firmware Not applicable ComboAM4v2PI 1.2.0.B
(Target Aug 2023)
Not applicable ComboAM4v2PI 1.2.0.B
(Target Aug 2023)
(Target August 2023)
OS Configuration Options Refer to your OS vendor Refer to your OS vendor Refer to your OS vendor Refer to your OS vendor Refer to your OS vendor

As we can see, and given the time of publication by pure date of this article, we are just over a week and a half away from AMD saying goodbye to AGESA and surely the download links for your ASUS AM5 motherboard disappear or are disabled to force the update of the maximum number of users to the new UEFI.

Luckily, we are going to put the links below so that you can download them before they die:

Why are they all BIOS for X670E? Relax, they just released for the B650 chipset

Motherboards B650E B650 ASUS AMD

Unfortunately, the ROG STRIX X670E-I GAMING WIFI BIOS has no BIOS available although it is part of the X670E range. And the rest of ASUS motherboard models for AM5? Well it turns out that given the brevity of AGESA to reach the market and the harsh tests that BIOSes have to pass before launching, even as Beta, it seems that ASUS has arrived just right.

In fact, at the time of writing, they’ve only just appeared, so we’re in luck, at least for the B650 series. As in X670E, keep in mind and as reported by ASUS, that if the BIOS version is different, the .cmo file from the old BIOS cannot be used (BSOD problem), so a new configuration is needed:

Remember that they are Beta BIOSes and that ASUS is not responsible for problems with them, everything is at your risk, although they are sometimes even better than the official ones.

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