Chapter 7 - Peripheral Setup
7-4
IBC 2600 User’s Guide
Available options are:
Auto
Disabled
378
278
3BC
When this option is set to Auto, AMIBIOS checks the ISA Bus for off-
board parallel ports. Any parallel ports found on the ISA Bus are left at
their assigned addresses. The on-board Parallel Port is automatically
configured with the first available address not used by an off-board paral-
lel port. The default address assignment order is 3BCH, 378H, 278H.
Note that this same assignment order is used by AMIBIOS to place the
active parallel port addresses in lower memory (BIOS data area) for con-
figuration as logical LPT devices.
Parallel Port Mode
This option specifies the parallel port mode. ECP and EPP are both bi-
directional data transfer schemes which adhere to the IEEE P1284 speci-
fications.
The Setup screen displays the system option:
Parallel Port Mode
ECP
Three options are available:
S
Normal uses normal parallel port mode.
S
EPP allows the parallel port to be used with devices which
adhere to the Enhanced Parallel Port (EPP) specification. EPP
uses the existing parallel port signals to provide asymmetric
bidirectional data transfer driven by the host device.
S
ECP allows the parallel port to be used with devices which
adhere to the Extended Capabilities Port (ECP) specification.
ECP uses the DMA protocol to achieve transfer rates of
approximately 2.5MB/second. ECP provides symmetric
bidirectional communication.
EPP Version
This option specifies the Enhanced Parallel Port (EPP) specification
number which is used in the system. It is available only if the
Parallel
Port Mode
option is set to EPP.
Summary of Contents for IBC 2600
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