Renesas USB3.0 Host Controller, v., A00

Renesas USB3.0 Host Controller

Fixes & Enhancements

- Tuned the host driver to improve performance.

- Added the process to clear USBLEGCTLSTS register after the host driver obtained
Ownership. This process prevents BIOS and OS PCI driver from violating accessing
the Ownership when the host driver hands off it.

- The USB3.0-SATA Bridge LSI used by "Goodway NU6120", "Fujitsu HLMD001C" and
"Mach Xtreme MXUB3MFX" freeze when they received the Hot-Reset from the host.
From V2.0.30.0, we added recovery processes.
- The following issues were fixed.
1. There is a possibility that the bluescreen occurs when S3/S4 & resume is running.

2. When Users are using the USB 3.0 Host Controller Utility(nusb3utl.exe) and pushed [F1]key of the keyboard, the blank pop-up is shown.

3. When Users are using USB 3.0 Host Controller Utility(nusb3utl.exe) and pushed [F4]key ,[BackSpace]key or [Enter]key of the keyboard,the error message is shown.


Version, A00



Release date

05 Jun 2012

Last Updated

06 Jun 2012


Available formats

File Format:Hard-Drive
File Name:R296459.exe
Download Type:HTTP
File Size: 6 MB
Format Description:This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

Other versions,A00 05 Jun 20123:36:43 AM
Supported Operating Systems
Windows 7, 32-bit
Windows 7, 64-bit
Windows Vista, 32-bit
Windows Vista, 64-bit
Windows XP
Applies to
Renesas USB 3.0 Host Controller
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).