Biostar U8668 U8668 BIOS setup guide - Page 20

BIOS Setup Onboard Serial Port 2 Select an address and corresponding interrupt for the first and second serial ports. The Choices: Disabled (default), 2F8/IRQ3, 3F8/IRQ4, 3E8/IRQ4, 2E8/IRQ3, Auto. UART Mode Select This item allows you to determine which Infra Red (IR) function of onboard I/O chip. The Choices: Normal, AS KIR, IrDA (default). RxD, TxD Active This item allows you to determine which Infrared (IR) function of onboard I/O chip. The Choices: Hi / Lo (default), Hi / Hi, Lo / Hi, Lo / Lo. IR Transmission Delay This item allows you to enable/disable IR transmission delay. The Choices: Enabled (default), Disabled. UR2 Duplex Mode Select the value required by the IR device connected to the IR port. Full-duplex mode permits simultaneous two-direction transmission. Half-duplex mode permits transmission in one direction only at a time. The Choices: Half (default), Full. Use IR Pins Consult your IR peripheral documentation to select the correct setting of the TxD and RxD signals. The Choices: IR-Rx2Tx2 (default), RxD2, TxD2. Onboard Parallel Port This item allows you to determine access onboard parallel port controller with which I/O Address. The Choices: 378/IRQ7 (default), 278/IRQ5, 3BC/IRQ7, Disabled. - 19 -