Instruction manual

Chapter 3
3-20
TX, RX inverting enable
This item allows you to enable the TX, RX inverting which depends on
different H/W requirement. This field is not recommended to change its
default setting for avoiding any error in your system. Settings are “No, Yes”,
“Yes, No”, “Yes, Yes” and “No, No.”
Onboard Parallel Port
This specifies the base I/O port address and IRQ of the onboard Parallel
Port. Settings: 378/IRQ7, 278/IRQ5, 3BC/IRQ7 and Disabled. If you have
an ISA add-on card, the suggested configuration is as below:
Note: If the onboard parallel port interrupt and ISA add-on card
interrupt are in conflict, the parallel port will not work properly.
Please disable one of the devices.
Onboard Parallel Mode
This item selects the operating mode for the parallel port: Normal, EPP, ECP
or ECP/EPP.
ECP Mode Use DMA
This item specifies an DMA channel 1 or 3 for the Parallel Port when it is set
to ECP or ECP/EPPmode.
If the ISA add-on card has Onboard parallel port to be set as
999Disabled X
99X LPT3 5
9 X 9 LPT2 5
X 99 LPT1 7
9 X X LPT2 5
X 9 X LPT1 7
XX9 LPT1 7
X X X LPT1 7
LPT1
I/O:378H
LPT2
I/O:278H
LPT3
I/O:3BCH
PORT
ASSIGNED
IRQ
ASSIGNED