System Devices - Acer TravelMate 270 Service Manual

System Devices

The System Devices screen contains parameters involving your hardware devices. It also provides advanced
settings of the system.
M a in
P S /2 P o in tin g D ev ic e
S e ria l P o rt:
B as e I/O a d d re s s
In te r ru p t
P a ra lle l P or t:
M o de :
B as e I/O a d d re s s :
In te r ru p t
E C P D M A c h a nn e l:
In tel® S p e e d S te p ™ T e c h no lo g y
F 1 H e lp
E s c
The table below describes the parameters in the screen. Settings in boldface are the default and suggested
parameter settings.
Parameter
PS/2 Pointing Device
Serial Port
Base I/O address
Interrupt
Parallel Port
Mode
Base I/O address
Interrupt
Mode
ECP DMA Channel
Chapter 2
S y s te m D e v ic e s
S e le c t Ite m
E x it S e le c t M e n u
Description
Determines whether or not to disable the internal
touchpad of a PS/2 pointing device is connected.
Enables, disables or auto detects the serial port.
Sets the I/O address of the serial port.
Sets the interrupt request of the serial port.
Enables, disables or auto detects 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 the interrupt request of the parallel port.
Sets the operation mode of the parallel port.
Sets a DMA channel for the printer to operate in
ECP mode. This parameter is enabled only if Mode
is set to ECP.
P h oe n ix B IO S S e tu p U tility
S e c u rity B o o t
[B o th ]
[E n a b led ]
[3 F 8 h]
[IR Q 4 ]
[E n a b led ]
[E C P ]
[3 7 8 h ]
[IR Q 7 ]
[D M A 1]
[ A u tom atic ]
F 5/F 6 C h a n g e V a lu es
4
E n te r S e le c t S u b -M en u
In fo .
Ite m s pe c ific H e lp
F 9 S e tu p d e fa u lts
F 1 0 S a v e a n d E x it
Options
Both
or Auto-Selected
Enabled
/Disabled/Auto
3F8h
/2F8h/3E8h/2E8h
IRQ4/
IRQ3
Enabled
/Disabled/Auto
ECP
, EPP, Normal or Bi-directional
378h
, 278h or 3BCh
IRQ 7
or IRQ5
ECP
, EPP or Bi-directional
DMA3
or DMA1
E x it
41