Acer Aspire T180, Руководство по обслуживанию, Страница: 45 / 83

Chapter 2 38
Onboard I/O Chip Setup
Parameter Description Options
Onboard FDC Controller This option enables the onboard floppy disk
drive controller. Enabled
Disabled
Onboard Serial Port 1/2 This option is used to assign the I/O address
and interrupt request(IRQ) for onboard serial
port 1. 3F8/IRQ4/2F8/IRQ3
UART Mode Select This field is available if the onboard serial port 2
field is set to any option but Disabled. UART
Mode Select enables you to select the infrared
communication protocol-IrDA, ASKIR or SCR Normal
UR2 Duplex Mode This field is available when UART mode is set
to either ASKIR or IrDA. This item enables you
to determine the infrared function of the
onboard infrared chip. The options are Full and
Half. Full-duplex means that you can transmit
and send information simultaneously. Had-
duplex is the transmission of data in both
directions, but only one direction at a time. Half-Duplex
Full-Duplex
Onboard Parallel Port This option is used to assign the I?O address
and interrupt request(IRQ) for the onboard
parallel port. 378/IRQ7
Parallel Port Mode Enables you to set the data transfer protocol for
your parallel port. There are four options:
SPP(Standard Parallel Port), EPP(Enhanced
Parallel Port), ECP(Extended Capabilities Port)
and ECP+EPP
SPP allows data output only. Extended
Capabilities Port(ECP) and Enhanced Parallel
Port(EPP) are bi-directional modes, allowing
both data input and output. ECP and EPP
modes are only supported with EPP- and ECP-
aware peripherals. SPP
ECP Mode Use DMA When the onboard parallel port is set to ECP
mode, the parallel port can use DMA 3 or DMA
1 3
F5:Previous Values F7:Optimized Defaults
Phoenix-Award WorkstationBIOS CMOS Setup Utility
Super I/O Device
mnlk
: Move Enter: Select +/-/PU/PD:Value F10:Save ESC:Exit F1: General Help
Item Help
ff
Menu Level
Onboard FDC Controller [Enabled]
Onboard Serial Port 1 [3F8/IRQ4]
Onboard Serial Port 2 [2F8/IRQ3]
UART Mode Select [Normal]
UR2 Duplex Mode Half
Onboard Parellel Port [378/IRQ7]
Parallel Port Mode [SPP]
ECP Mode Use DMA [3]
X
X