The ASUS ROG MAXIMUS XI CODE is an ASUS ROG MAXIMUS series ultra-premium flagship motherboard supporting Intel processors (Intel Z390 chipset) on the LGA1151 socket with DDR4 memory. It targets overclockers, elite enthusiasts and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations.
Product released: October 1, 2018
Latest firmware version
Version 2203, released July 20, 2026
Last checked for updates: Aug 2, 2026 10:29 UTC
What's new in version 2203
1. Enhanced overall system security.
Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.
LatestUpdate has tracked 20 versions of ASUS ROG MAXIMUS XI CODE firmware, released between September 29, 2018 and July 20, 2026.
Version 2203 - July 20, 2026: 1. Enhanced overall system security. Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.
Version 2004 - November 29, 2021: 1. Update Intel ME firmware. 2. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.
Version 1903 - August 3, 2021: - Support Windows 11 by default, no settings changes required in the UEFI BIOS. Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.C…
Version 1902 - July 19, 2021: 1.Support Resizable BAR support. 2.Improve system performance. Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRen…
Version 1802 - December 15, 2020: Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file(M11C.CAP)using BIOSRenamer.
Version 1704 - November 5, 2020: 1. Improve system performance 2. Updated RC 7.0.70.20 3. Improve system stability while using Thunderbolt device. Before running the USB BIOS Flashback tool, p…
Version 1602 - August 18, 2020: - Improve system stability - Update Microcode and ME firmware for Intel security issue Before running the USB BIOS Flashback tool, please rename the BIOS file…
Version 1502 - May 4, 2020: Improved system stability. Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.
Version 1401 - December 11, 2019: Improve Memory overclocking rules Improved compatibility with the Intel H10 Optane Module Fixed an issue that prevented the adjustment of the Tjmax parameter w…
Version 1302 - September 20, 2019: 1. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.
Version 1105 - June 25, 2019: Improved DRAM compatibility. Improved system performance. Updated ME version to Ver.12.0.39 Updated microcode for Security. Improved storage device compatibili…
Version 1005 - May 9, 2019: Enhanced security. Improved SSD device compatibility. Updated RAID driver. Improved DRAM compatibility. Before running the USB BIOS Flashback tool, please rena…
Version 0903 - March 22, 2019: Updated uCode for the latest Intel processor. " Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.''
Version 0805 - February 22, 2019: 01. Improved DRAM stability 02. Supported JEDEC standard DDR4 32GB memory 03. Updated RST driver 04. Update ME FW 05. Improve system performance " Before runni…
Version 0602 - October 31, 2018: - Improved system stability and performance. - Updated Microcode for 8-core CPU. - Improved DRAM stability. - Fixed USB device issue.
The ASUS ROG MAXIMUS XI CODE is an ASUS ROG MAXIMUS series ultra-premium flagship motherboard supporting Intel processors (Intel Z390 chipset) on the LGA1151 socket with DDR4 memory. It targets overclockers, elite enthusiasts and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations. It was originally released on October 1, 2018.
What is the latest firmware version of ASUS ROG MAXIMUS XI CODE?
The latest firmware version of ASUS ROG MAXIMUS XI CODE is 2203. It was released on July 20, 2026.
What changed in ASUS ROG MAXIMUS XI CODE firmware version 2203?
ASUS ROG MAXIMUS XI CODE firmware version 2203 includes the following changes: 1. Enhanced overall system security.
Before running the USB BIOS Flashback tool, please rename the BIOS file (M11C.CAP) using BIOSRenamer.
How do I update the ASUS ROG MAXIMUS XI CODE firmware?
To update the ASUS ROG MAXIMUS XI CODE firmware, download the latest version (2203) from ASUS's website. Follow ASUS's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from ASUS's support page.
Where can I download the latest ASUS ROG MAXIMUS XI CODE firmware?
Details and download instructions for the latest ASUS ROG MAXIMUS XI CODE firmware (version 2203) are on ASUS's official release page: https://rog.asus.com/motherboards/rog-maximus/rog-maximus-xi-code-model/helpdesk_bios/
How do I check for ASUS ROG MAXIMUS XI CODE firmware updates?
You can track ASUS ROG MAXIMUS XI CODE firmware updates automatically on LatestUpdate.io. We monitor ASUS's releases and notify you when new firmware versions are available, so you never miss an update.
How often does ASUS release firmware updates for ASUS ROG MAXIMUS XI CODE?
We have tracked 20 firmware versions of ASUS ROG MAXIMUS XI CODE. Based on historical patterns, updates are released approximately every 736 days. ASUS releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
When is the next ASUS ROG MAXIMUS XI CODE firmware update expected?
ASUS ROG MAXIMUS XI CODE was recently updated. Based on this product's update history, the next firmware update is expected between August 3, 2026 and January 15, 2027.
Is ASUS ROG MAXIMUS XI CODE still receiving firmware updates?
Yes, ASUS ROG MAXIMUS XI CODE received a firmware update within the last month. The most recent version is 2203.
Who makes ASUS ROG MAXIMUS XI CODE?
ASUS ROG MAXIMUS XI CODE is manufactured by ASUS. Visit the official product page for more information.