User's Manual

ASUS C8HM70-I
1-9
6. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are for USB
2.0/1.1 devices.
7. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices
8. USB 3.0 ports 1 and 2. These two 9-pin Universal Serial Bus (USB) ports are
available for connecting USB 3.0 devices.
• DO NOT connect a keyboard / mouse to any USB 3.0 port when installing Windows
®
operating system.
• Due to USB 3.0 controller limitation, USB 3.0 devices can only be used under
Windows
®
OS environment and after the USB 3.0 driver installation.
• USB 3.0 devices can only be used as data storage only.
• We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster
and better performance for your USB 3.0 devices.
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.
1.7.2 Internal connectors
1. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports
either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.
• We recommend that you connect a high-denition front panel audio module to this
connector to avail of the motherboard’s high-denition audio capability.
• If you want to connect a high-denition front panel audio module to this connector,
set the Front Panel Type item in the BIOS setup to [HD]. If you want to connect an
AC'97 front panel audio module to this connector, set the item to [AC97]. By default,
this connector is set to [HD]. See section 2.5.6 Onboard Devices Conguration for
details.
C8HM70-I
C8HM70-I Front panel audio connector
AAFP
PIN 1
AGND NC SENSE1_RETUR SENSE2_RETUR
PORT1 L
PORT1 R PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
PIN 1
AGND NC NC NC
MIC2
MICPWR
Line out_R
NC
Line out_L
Legacy AC’97
compliant definition