** If you use a 2-channel speaker, please connect the speaker's plug into "Front Speaker Jack". See the table below
for connection details in accordance with the type of speaker you use.
Audio Output
Front Speaker
Channels
(No. 7)
2
4
6
8
*** Ultra USB Power is supported on USB_34 ports. ACPI wake-up function is not supported on USB_34 ports.
Rear Speaker
(No. 5)
V
--
V
V
V
V
V
V
Central / Bass
Line In
(No. 4)
(No. 6)
--
--
V
V
B550 Extreme4
--
--
--
V
11