Acer Extensa 500, System Manual

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3-18 Altos 500 System Guide
Setting Function
Enhanced Parallel Port
(EPP) Allows bidirectional parallel port
operation at maximum speed
Extended Capabilities
Port (ECP) Allows parallel port to operate in
bidirectional mode and at a speed higher
than the maximum data transfer rate
ECP DMA Channel
This item becomes active only if you select Extended Capabilities
Port (ECP) as the operation mode. It allows you to assign DMA
channel 1 or DMA channel 3 for the ECP parallel port function.
Onboard Device Settings
The Onboard Device Settings menu allows you to configure the
onboard communication ports and the onboard devices. Selecting this
option from the Onboard Peripherals menu displays the following
screen:
Onboard Device Settings
Floppy Disk Controller .............. [Enabled ]
IDE Controller ...................... [Both ]
PS/2 Mouse Controller ............... [Enabled ]
USB Host Controller ................. [Disabled]
USB Legacy Mode ................... [--------]
SMBus Interrupt(IRQ9) ............... [Disabled]
Onboard Ethernet Chip ............... [Enabled ]
Floppy Disk Controller
This parameter lets you enable or disable the onboard floppy disk
controller.