Onboard Peripherals - Acer V66XA Technisches Handbuch

BIOS Utility
CD-ROM Drive DMA Mode
Set this parameter to Enabled to enable the DMA mode for the CD-ROM drive. This improves the
system performance since it allows direct memory access to the CD-ROM. To deactivate the
function, set the parameter to Disabled .

Onboard Peripherals

The Onboard Peripherals allows you to configure the onboard devices. Selecting this option from
the main menu displays the following screen:
Onboard Peripherals
Onboard Communication Ports
Serial Port ........................ [Enabled]
Base Address ..................... [3F8h]
IRQ .............................. [ 4 ]
Parallel Port ....................... [Enabled ]
Base Address ..................... [378h]
IRQ .............................. [ 7 ]
Operation Mode ................... [Standard]
ECP DMA Channel ................ [ - ]
•
*Onboard Device Settings
↑↓ = Move Highlight Bar
Esc = Exit
Parallel Port Operation Mode Settings
Standard Parallel Port (SPP)
Standard and Bidirectional
Enhanced Parallel Port (EPP)
Extended Capabilities Port (ECP)
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 (as
required in Windows 98).
66 - English
Setting
F1 = Help
→ ← = Change Setting,
Function
Allows normal speed one-way operation
Allows normal speed operation in a two-way
mode
Allows bidirectional parallel port operation at
maximum speed
Allows parallel port to operate in bidirectional
mode and at a speed higher than the maximum
data transfer rate
Onboard Peripherals
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