Asus B85-PRO - Manual (Page 21)

ASUS B85-PRO / B85-PLUS 1-13
• Due to USB 3.0 controller limitations, USB 3.0 devices can only be used under a
Windows ® OS environment and after USB 3.0 driver installation.
• The plugged USB 3.0 device may run on xHCI or EHCI mode, depending on the
operating system’s setting.
• USB 3.0 devices can only be used for data storage.
• We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster
and better performance from your USB 3.0 devices.
• Due to the design of the Intel ® 8 series chipset, all USB devices connected to the
USB 2.0 and USB 3.0 ports are controlled by the xHCI controller. Some legacy USB
devices must update their firmware for better compatibility.
• Intel display architecture design supports the following maximum supported pixel
clocks (Pixel Clock = H total x V Total x Frame Rate (Screen refresh rate)):
-
DVI port: 165 MHz
- HDMI port: 300 MHz (available on B85-PRO only)
- VGA port: 180 MHz
9. USB 2.0 ports 9 and 10. These two 4-pin Universal Serial Bus (USB) ports are for
USB 2.0/1.1 devices.
10. DVI-D port. This port is for any DVI-D compatible device. DVI-D can’t be converted to
output RGB Signal to CRT and is not compatible with DVI-I.
11. HDMI port. This port is for a High-Definition Multimedia Interface (HDMI) connector,
and is HDCP compliant allowing playback of HD DVD, Blu-ray, and other protected
content.
HDMI port is only available on B85-PRO.
12. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.