Intel iEi Motherboard A300 - Manual (Page 140)

A300 Motherboard
BIOS Menu 18: SouthBridge Chipset Configuration
OnBoard AC’97 Audio [Auto]
The OnBoard AC’97 Audio option enables or disables the AC’97 CODEC.
Disabled The on-board AC’97 is disabled
Auto (Default) The on-board AC’97 automatically detected and enabled
Spread Spectrum Mode [Disabled]
The Spread Spectrum Mode option enables or disables the spread spectrum mode.
Disabled (Default) The spread spectrum mode is disabled
Enabled The spread spectrum mode is enabled
OnBoard LAN1 [Enabled]
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