System Devices - Acer TravelMate -550 Service Manual

System Devices

The System Devices screen contains parameters involving your hardware devices.
Main
Pointing Device:
Ext. Keyboard "Fn":
IDE Controller:
FDD Controller:
Parallel Port:
Interrupt:
Mode:
Base I/O address:
DMA channel:
VGA Frame Buffer Size:
F1 Help
Esc Exit
The table below describes the parameters in the screen Settings in boldface are the default and suggested
parameter settings.
Parameter
Pointing Device
Ext.Keyboard "Fn"
IDE Controller
FDD Controller
Parallel Port
IRQ
Mode
Base I/O address
DMA Channel
VGA Frame Buffer Size
NOTE: VGA takes up a portion of system memory, configurable via the VGA Frame Buffer parameter. For
example, if you have 128 MB SDRAM, and you set a VGA Frame Buffer of 16MB, main memory is
112MB.
Chapter 2
System Devices
[Simultaneous]
[Enabled]
[Both]
[Enabled]
[Enabled]
[IRQ 7]
[ECP]
[378]
[DMA 3]
[16 Mb]
Select Item
Select Menu
Description
Determines whether or not to disable the internal
touchpad of a PS/2 pointing device is connected.
Allows you to simulate an Fn key on an external
keyboard by pressing the left b + left a keys
Enables or disables the primary or secondary IDE
controller or both.
Enables or disables the floppy drive controller.
Enables or disables the parallel port.
Sets the interrupt request of the parallel port.
Sets the operation mode of the parallel port.
Sets the I/O address of the parallel port. This
parameter is enabled only if Mode is set to ECP or
Bi-directional.
Sets a DMA channel for the printer to operate in
ECP mode. This parameter is enabled only if Mode
is set to ECP.
Specifies the amount of main memory to allocate for
VGA.
Security Others
F5/F6 Change Values
Enter Select > Sub-Menu
Boot Exit
Item Specific Help
F9 Setup Defaults
F10 Save and Exit
Options
Simultaneous
or Auto-Selected
Enabled
or Disabled
Both
, Primary or Disabled
Enabled
or Disabled
Enabled
or Disabled
IRQ 7
or IRQ5
ECP
, EPP or Bi-directional
378
, 278 or 38C
3
or 1
16Mb
, 32Mb or 8Mb
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