The ASUS Marvell 91xx Config Device driver helps Windows recognize and communicate with the configuration interface of a Marvell 91xx storage controller used on certain ASUS systems and motherboards. It supports proper identification of this component in Device Manager and may be supplied alongside other Marvell storage-controller drivers. For Windows 11, 10, 8, or 7, choose a package that matches your exact ASUS model, operating system, and system architecture.

Key Features

• Configuration-device recognition: Provides the information Windows needs to identify the Marvell 91xx configuration interface instead of listing it as an unknown device.
• Controller communication: Enables supported software and Windows components to communicate with the controller’s configuration functions.
• Storage-driver integration: Works alongside the appropriate Marvell SATA controller driver; it is not necessarily a replacement for the driver that handles disk access.
• Model-specific support: Helps maintain a correctly configured storage-controller installation when the package matches your ASUS hardware and Windows version.

How to Install

1. Confirm your hardware and Windows version. Find your ASUS motherboard or computer model, then check whether Windows is 32-bit or 64-bit. In Device Manager, review the device’s hardware IDs if you need to verify that it belongs to the Marvell 91xx family.

1. Select a compatible driver package. Check the package’s supported models and operating systems before downloading. Compatibility can vary between controller revisions, so do not assume a driver intended for Windows 7 or 8 will also support Windows 10 or 11.

1. Prepare for the update. Save your work, create a restore point if System Protection is enabled, and extract the downloaded archive if necessary. Avoid changing SATA or RAID settings in the BIOS as part of a routine driver installation.

1. Install the driver. Run the included installer and follow its instructions. If no installer is provided, open Device Manager, right-click the matching configuration device, select Update driver, and browse to the extracted driver folder. Allow Windows to select a compatible driver rather than forcing an unrelated entry.

1. Restart and check the result. Reboot if prompted, then confirm that the ASUS Marvell 91xx Config Device appears without a warning icon. If installation fails, recheck the hardware IDs and package compatibility before trying another version.

Common Issues and Fixes

• Driver install fails: Confirm your exact ASUS motherboard model and Windows architecture. Download the ASUS “Marvell 91xx SATA/RAID” driver package, extract it, and run setup as administrator. If setup still fails, update manually in Device Manager via “Browse my computer” to the extracted driver folder.
• Device not detected: Enable the Marvell Storage Controller/OpROM in BIOS and keep SATA mode consistent (AHCI or RAID). Reseat the SATA cable/drive and check Device Manager for a warning icon under Storage controllers.
• Version conflicts: Uninstall any older Marvell 91xx driver, reboot, then install the ASUS package matching your board and Windows version. Avoid mixing generic Marvell drivers with ASUS releases; use Driver Roll Back if errors appear after updating.