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38 P/E-P55T2P4D User’s Manual
Onboard Parallel Port
This field sets the address of the onboard parallel port connector. You can select
either: 3BCH / IRQ 7, 378H / IRQ 7 (default), 278H / IRQ 5, Disabled. If you install
an I/O card with a parallel port, ensure that there is no conflict in the address assign-
ments. The PC can support up to three parallel ports as long as there are no conflicts
for each port.
Parallel Port Mode
This field allows you to set the operation mode of the parallel port. The default
setting Normal, allows normal-speed operation but in one direction only; EPP al-
lows bidirectional parallel port operation at maximum speed; ECP allows the paral-
lel port to operate in bidirectional mode and at a speed faster than the maximum data
transfer rate; ECP+EPP allows normal speed operation in a two-way mode.
ECP DMA Select
This selection is available only if you select ECP or ECP+EPP in the Parallel Port
Mode. Select either DMA Channel 1, 3, or Disable. The setup default is DMA
Channel 3.
UART2 Use Infrared
When enabled, this field activates the onboard infrared feature and sets the second
serial UART to support the infrared module connector on the motherboard. If your
system already has a second serial port connected to the onboard COM2 connector,
it will no longer work if you enable the infrared feature. By default, this field is set
to Disabled, which leaves the second serial port UART to support the COM2 serial
port connector. See page 26 for the Infrared Connector.
IMPORTANT: For SMC37C665IR chipset, you must also physically set
jumpers on page 7 as well as change the chipset setting.
Onboard PCI IDE Enable
You can select to enable the primary IDE channel, secondary IDE channel, both
(default), or disable both channels (for systems with only SCSI hard drives).
IDE 0 Master/Slave Mode, IDE 1 Master/Slave Mode
Each channel (0 and 1) has both a master and a slave making four IDE devices
possible. Because each IDE device may have a different Mode timing (0, 1, 2, 3, 4),
it is necessary for these to be independent. The default setting of Auto will allow
auto-detection to ensure the optimal performance.
IV. BIOS SOFTWARE
IV. BIOS
(Chipset Features)