VersaLogic Lion - Serial IO Configuration

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EPMe-42 BIOS Reference Manual 35
USB HS Physical Connector #0-9
Option Default: 01
00 = Disabled
01 = Enabled
Option Help: Enable/Disable this USB Physical Connector (physical port). Once
disabled, any USB devices plug into the connector will not be detected by BIOS or
OS.
Serial IO Configuration
Option Name: I2C[0-5], SPI[0-1], UART[0-2] Controller
Option Default: 01
00 = Disabled
01 = Enabled
Option Help: Enables/Disables Serial IO Controller
The following devices depend on each other:
I2C0 and I2C1,2,3
UART0 and UART1,SPI0,1
UART2 and I2C4,5
EPMe-42 Usage:
I2C0 = User interface (3.3V). CBR-4005B J2[1,3].
I2C1 = Interface to LPC header / A-EPM43S.
Port 2,3,4,5 Not used.
UART 0 = HSUART COM3 RS-232 / J3[1..5]
UART 1 = HSUART COM4 RS-232 / J3[6..10]
UART 2 = Optional Debug
Serial IO I2C0 Settings
I2C IO Voltage Select
Option Default: 00
00 = 3.3V
01 = 1.8V
Option Help: Selects 1.8v or 3.3v for the controller.