BIOS Setup
3-19
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: “No, No”,
“No, Yes”, “Yes, No” and “Yes, Yes.”
Parallel Port
This specifies the I/O port address and IRQ of the onboard parallel port. Settings:
378/IRQ7, 278/IRQ5, 3BC/IRQ7, 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.
Normal: Standard Parallel Port
EPP: Enhanced Parallel Port
ECP: Extended Capability Port
ECP/EPP: Extended Capability Port + Enhanced Parallel Port
ECP Mode Use DMA
The ECP mode has to use the DMA channel, so after the user chooses the
onboard parallel port with the ECP feature, the setting “ECP Mode Use
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
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