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Onboard Peripherals
The Onboard Peripheral Configuration allows you to configure the
onboard communication ports and the onboard devices. Selecting this
option displays the following screen:
Serial Port 1 ....................... [Enabled ]
Base Address ..................... [3F8h]
IRQ .............................. [4]
Serial Port 2 ....................... [Enabled ]
Base Address ..................... [2F8h]
IRQ .............................. [3]
Parallel Port ....................... [Enabled ]
Base Address ..................... [378h]
IRQ .............................. [7]
Operation Mode ................... [Standard]
ECP DMA Channel ................ [-]
Onboard Device Settings
Serial Ports 1 and 2
These parameters allow you to enable or disable serial ports 1 and 2.
Base Address
This function lets you set a logical base address for serial ports 1 and
2. The options are:
3F8h
2F8h
IRQ
This function lets you assign an interrupt for serial ports 1 and 2. The
options for serial ports 1 are IRQ
2 are IRQ
3
and
10
.
3-16
Onboard Peripherals
3E8h
4
and
11
. The options for serial port
Altos 500 System Guide
2E8h
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