Asus PRIME B350M-A User Manual page 13

10. USB 2.0 connectors (10-1 pin USB3~6)
These connectors are for USB 2.0 ports. Connect the USB module
cable to any of these connector, then install the module to a slot
opening at the back of the system chassis. These USB connectors
comply with USB 2.0 specifications and supports up to 480Mbps
connection speed.
Never connect a 1394 cable to the USB connectors. Doing so
will damage the motherboard!
11. 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.
12. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port
module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
13. 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-definition front panel audio module to this
connector to avail of the motherboard's high-definition audio capability.
• If you want to connect a high-definition 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].
ASUS PRIME B350M-A
USB34
PIN 1
USB3_12
PIN 1
COM
PIN 1
AAFP
PIN 1
HD-audio-compliant Legacy AC'97
pin definition compliant definition
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