Acer Aspire X1930 Service Manual page 23

Parameter
Onboard Floppy Controller
Serial Port1/2 Address
Serial Port2 Mode
Parallel Port Address
Parallel Port Mode
Parallel Port IRQ
ECP Mode DMA Channel
Aspire AX1930 Service Guide
Description
Enables or disables the onboard floppy controller.
Specify the base I/O port address and interrupt request address of
serial port 1 or 2.
Select a mode for serial port 2.
Specify the parallel port (LPT1) base address.
Select a mode for the parallel port.
Select a parallel port IRQ interrupt.
Select an ECP mode.
Option
Enabled
Disabled
Disabled
3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
Normal
IrDA
ASK IR
Disabled
378
278
3BC
Normal
EPP
ECP
EPP+ECP
IRQ5
IRQ7
DMA1
DMA3
15