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AMD Releases AGESA ComboAM4 1.0.0.5 Microcode Leave a comment

After a week of spotting the new AMD AGESA through MSI’s updates, (which is often quite fast with this kind of BIOS update), AMD has now formally announced the new microcode, as reported by TechPowerUp.

The new AGESA comes with version number 1.0.0.5 and will be distributed through your motherboard vendor’s BIOS updates, meaning you’ll have to wait on them to get hands on the new firmware. 

Updates include faster POST with certain Micron DDR4-3200 RAM and some fixed memory errors with Realtek onboard Ethernet. The Ryzen 3 Pro 2100GE had an issue with PCIe lane configuration that has been fixed, and the new AGESA also supposedly provides better PCIe stability.

All things considered, these changes aren’t huge but should fix annoying nuisances for a small group of affected users. Therefore, most of us needn’t rush to install the new microcode. However, for those affected by the issues, it can be quite a nuisance that motherboard vendors can take a long time to implement the changes in a new BIOS.

The prior AGESA microcode, version 1.0.0.4, offered a few more interesting changes. These included faster boot times but also made it possible to run a 1st-generation Ryzen CPU on an X570 motherboard.

The new microcode will be delivered through an upcoming BIOS update that will be offered by all the motherboard manufacturers, as well. AMD is going to roll out the new instruction set by next week, and motherboard manufacturers will most likely release updated BIOS versions after fine tuning and testing for stability issues within the next few weeks. German publication Planet 3DNow! suspects that Van Beurden is referring to the rumored AGESA 1.0.0.4 BIOS version that should rectify some stability issues with the new Ryzen 3000 CPUs.

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