Asus F74 F7400 English (1259860 bytes) - Page 43
Advanced Sub-Menu Cont
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Advanced Sub-Menu (Cont') When User is selected, the Base I/O address menu item appears. This Mode field allows you to enable or disable the Notebook PC's Fast Infrared (FIR) communication module. The following configuration options are available: [SIR] [FIR] NOTE! The DMA channel menu item is available only when FIR is selected. The COM2 serial port is available for system use only if the serial IR is Disabled. SIR enables standard IrDA IR support on COM2. The Base I/O address field becomes available and you can set the serial port IRQ and I/O address. NOTE: This field is only available when the IR port field is set to User. The following options are available: [3F8, IRQ 4] [2F8, IRQ 3] [3E8, IRQ 4] [2E8, IRQ 3] The DMA Channel field allows you to configure the DMA Channel used by the Fast Infrared port. NOTE: This field is only available when the IR port Mode field is set to FIR. The following options are available: [DMA 1] [DMA 3] Parallel port This field allows you to configure the Notebook PC parallel port. The following options are available: [Disabled] [User] [Auto] NOTE! Changing the default address and IRQ settings for COM1, COM2 and the LPT Port can cause conflicts with other system devices or installed peripherals. The Mode field allows you to configure the Notebook PC parallel port transmission mode. The following options are available: [Output only] [Bi-directional] [ECP] [EPP] The Output only mode allows data output only. However, EPP and ECP are Bi-directional modes, allowing both data input and output. The EPP and ECP modes are only supported with EPP and ECP aware peripherals. EPP Mode: When the EPP mode is selected, the standard and bi-directional modes are also available. The EPP operates on a two phase cycle. First, the host selects the register within a device for subsequent operations. Second, the host performs a series of read and/or write byte operations to the selected register. There are four operations supported by EPP: Address Write, Data Write, Address Read, and Data Read. All operations are performed asynchronously. IV. BIOS Software Notebook PC User's Manual 43