Asus Z87I-PRO - Manual (Page 38)

1-24 Chapter 1: Product introduction
Chapter 1
4. USB 3.0 connector (20-1 pin USB3_12)
This connector allows you to connect a USB 3.0 module for additional USB 3.0 front
or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of
USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efficiency, and backward compatibility with
USB 2.0.
• The USB 3.0 module is purchased separately.
• These connectors are based on xHCI specification. We recommend you to install the
related driver to fully use the USB 3.0 ports under Windows ® 7.
• The plugged USB 3.0 device may run on xHCI or EHCI mode depending on the
operating system’s setting.
PRO- I 7 8 Z
Z87I-PRO USB3.0 Front panel connector
USB3_56
5. Speaker connector (4- pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
-I-P
RO
7 8 Z
Speaker Out
GND
GND
+5V
SPEAKER
PIN 1
Z87I-PRO Speaker Out Connector