Acer 365 - Manual (Page 44)

2-6 Service Guide
2.3 Onboard Devices Configuration
The Onboard Devices Configuration screen contains parameter items that are related to port
devices on your computer.
Onboard Devices Configuration
Serial Port ---------------------------- [Enabled]
Base Address --------------------- [3F8h]
IRQ ----------------------------------- [4]
Parallel Port ------------------------- [Enabled]
Base Address --------------------- [378h]
IRQ ----------------------------------- [7]
Operation Mode ------------------ [Bi-directional]
ECP DMA Channel --------------- [-]
↑↓
=Move Highlight Bar,
→←
=Change Setting, Esc=Exit
Press
↑
and
↓
to move the highlight bar; press
→
and
←
to change the setting of the highlighted
parameter. To exit this screen and return to the main screen, press Esc.
The following table describes the parameters in this screen. Settings in boldface are the default
and suggested parameter settings.
Table 2-3 Onboard Devices Configuration Parameters
Parameter Description Setting or Format
Serial Port Enables or disables the serial port Enabled
Disabled
Base
Address Sets the I/O base address of the serial port 3F8h
2F8h
3E8h
2E8h
IRQ Sets the IRQ (interrupt request) channel of the
serial port 4
11
Parallel Port Enables or disables the parallel port Enabled
Disabled
Base
Address Sets the I/O base address of the parallel port 378h
278h
3BCh
IRQ Sets the interrupt request (IRQ) channel of the
parallel port 7
5
Operation
Mode Selects the operation mode of the parallel port.
ECP (Extended Capabilities Port) supports a 16-
byte FIFO (first in, first out) which can be
accessed by host DMA cycles and PIO cycles,
boosting I/O bandwidth to meet the demands of
high-performance peripherals.
Bi-directional
ECP
Standard