PCWS 2015 Setup Guide - 2nd Edition 2-19
PCWS 2015 BIOS
Advanced
South Bridge Configuration
The South Bridge Configuration menu contains a number of IO related fields
including audio and USB Enable/Disable.
SMBus Device [Enabled]
Enable or Disable all System Board SMBus Devices.
Port 80h Cycles [LPC Bus]
Specifies if the Port 80h POST codes are sent to the LPC Bus or PCI Bus.
The default of LPC Bus routes the POST codes to J8, the system board
debug header.
PCI Clock Run Logic [Enabled]
Enable or Disable the PCIe clock gate power saving feature.
Azalia [Enabled]
Enables detection of the ALC268 High Definition Audio Codec. ‘Azalia’ is
the original Intel code name for High Definition Audio.
Azalia PME Enabled [Disabled]
Enable or Disable the Azalia Power Management Event option.
Azalia Vci Enabled [Disabled]
Enable or Disable Azalia Virtual Channel support.
Azalia internal HDMI codec [Enabled]
Enable or Disable the High Definition Audio controller in the QM57 PCH.
EHCI1 and 2 [Enabled]
Enables support for the pair of Enhanced Host Controllers Interface
controllers which support up to 14 USB Ports. The PCH also contains two
Rate Matching Hubs (RMH) that support USB full-speed, and low-speed
capable.
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