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54 SBC-410 User's Manual
Onboard Serial Port2
This option enables serial port 2 on the motherboard and specifies
the base I/O port address for serial port 2. The settings are
Auto
.
Disabled, 3F8h, 2F8h, 3E8h, 2E8h
. The Fail-Safe default setting is
Auto
.
Onboard Parallel Port
This option enables the parallel port on the motherboard and
specifies the parallel port base I/O port address. The settings are
Auto,
disabled, 378, 278, 3BC
. The Fail-Safe default setting is
Auto.
Parallel Port Mode
This option specifies the parallel port mode. ECP and EPP are
both bidirectional data transfer sechemes that adhere to the IEEE
P1284 specification. The settings are:
Setting
Description
Normal
The normal parallel port mode is used. This is the
default setting.
EPP
The parallel port can be used with devices that
adhere to the Enhanced Parallel Port (EPP) specifi-
cation. EPP uses the exiting parallel port signals to
provide asymmetric bidirectional data transfer
driven by the host device.
ECP
The parallel port can be used with devices that
adhere to the Extended Capabilities Port (ECP)
specification. ECP uses the DMA protocol to
achieve transfer rates of approximately 2.5 Mbs.
ECP provides symmetric bidirectional communla-
tions.
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