Asus 90SB0390M0AAY0 USB Configuration, Legacy USB Support Enabled, Intel xHCI Mode Smart Auto

Models: Z87-WS 90SB0390M0AAY0 Z87WS Z87C

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3.6.5USB Configuration

The items in this menu allow you to change the USB-related features.

The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None.

Legacy USB Support [Enabled]

[Enabled]

Enables the support for USB devices on legacy operating systems (OS).

[Disabled]

The USB devices can be used only for the BIOS setup program. It cannot

 

be recognized in boot devices list.

[Auto]

Allows the system to detect the presence of USB devices at startup. If

 

detected, the USB controller legacy mode is enabled. If no USB device is

 

detected, the legacy USB support is disabled.

Intel xHCI Mode [Smart Auto]

[Auto]

Keeps the last operation of xHCI controller in OS during bootup.

[Smart Auto]

Enables the operation of xHCI controller.

[Enabled]

Enables the xHCI controller.

[Disabled]

Disables the xHCI controller.

EHCI Hand-off [Disabled]

[Enabled]

Enables the support for operating systems without an EHCI handoff

 

feature.

[Disabled]

Disables the EHCI Hand-off support.

Chapter 3

ASUS Z87-WS

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Asus 90SB0390M0AAY0 USB Configuration, Legacy USB Support Enabled, Intel xHCI Mode Smart Auto, Ehci Hand-off Disabled

Z87-WS, 90SB0390M0AAY0, Z87WS, Z87C specifications

Asus, a leading player in the technology marketplace, has designed a range of motherboards catering to various user needs. The Asus Z87C and Z87WS exemplify innovation with their feature sets and performance capabilities, appealing to both gamers and professionals alike.

The Asus Z87C motherboard is built upon the Intel Z87 chipset, which supports the latest 4th generation Intel Core processors. Its dual-channel DDR3 memory enables support for up to 32GB RAM, ensuring high performance and multitasking capabilities. This board is designed with three PCIe 3.0 slots, allowing for multiple graphics cards, thus enhancing the gaming and graphic rendering experience. The addition of SATA 3 and USB 3.0 ports provides fast data transfer rates, which is essential for modern storage solutions.

Furthermore, the Z87C incorporates the Asus exclusive DIGI+ VRM technology, which enhances power delivery and thermal performance, ensuring stability during intense operations. With its AI Suite, users have access to various tuning and monitoring features, enabling easy system overclocking and resource management.

On the other hand, the Asus Z87WS is engineered with professional users in mind, particularly in workstations that require higher processing power and reliability. This motherboard supports Intel's Xeon processors and advanced graphics configurations, making it suitable for demanding applications in fields such as CAD and digital content creation.

The Z87WS boasts an impressive feature set, including dual Intel LAN ports for enhanced network performance and redundancy. It also comes equipped with a Thunderbolt header for lightning-fast connectivity with compatible devices. Like the Z87C, the Z87WS leverages digital power design that assures voltage stability and efficiency.

Both motherboards come with robust audio systems courtesy of the Realtek ALC892/1150 codec, ensuring an immersive audio experience. Additionally, they feature a comprehensive BIOS that provides all the necessary tools for system customization, ranging from memory tweaks to fan speed controls.

Overall, the Asus Z87C and Z87WS are manifestations of cutting-edge technology and engineering, tailored to provide high performance, stability, and flexibility for both gamers and professionals in demanding environments. Each model emphasizes reliability and advanced features, making them suitable choices for users seeking outstanding computing performance.