Components Menu
Item
COM Ports
COM A I/O
Settings
COM B I/O
Settings
Mode Setting
For COM B
DMA Setting
For Fast IR
LPT Port
Port Address
Port Definition
DMA Setting
For ECP Mode
EPP Type
Chapter 3—BIOS Utilities 3-12
Setting/Option
None
COM1, 3F8, IRQ4
COM2, 2F8, IRQ3
COM3, 3E8, IRQ10
COM4, 2E8, IRQ11
None
COM1, 3F8, IRQ4
COM2, 2F8, IRQ3
COM3, 3E8, IRQ10
COM4, 2E8, IRQ11
Normal (16550)
IrDA (HPSIR)
ASK IR
FAST IR
DMA 0
DMA 1
DMA 3
None
LPT1, Addr 378,
IRQ7
LPT2, Addr 278,
IRQ5
LPT3, Addr 3BC,
IRQ7
Standard AT (Centronics)
Bidirectional (PS-2)
Enhanced Parallel (EPP)
Extended Capabilities (ECP)
DMA 1
DMA 3
EPP 1.7
EPP 1.9
Function
Specify the COM A
configuration.
(COM3 & COM4
only for DOS mode
& Non-PnP OS)
Specify the COM B
configuration.
(COM3 & COM4
only for DOS mode
& Non-PnP OS)
Define the COM B
hardware.
Set the DMA channel
for the Infrared port if
FIR mode is used.
Select parallel
(printer) port I/O
address and IRQ
assignment.
Set the DMA
channel for the
parallel port if the
ECP mode is used.
Set the current
type for EPP.
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