Xycom 4115T, Руководство пользователя

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4115T Light Duty Industrial PC Chapter 3 – POS-478 CPU Control Board and BIOS Setup
44 143926(A)
Table 3-9. Peripheral Setup Options
Item Description
Parallel Port Mode This option specifies the parallel port mode. The
settings are Normal, Bi-Dir, EPP, and ECP.
Normal: The normal parallel port mode is used.
Bi-Dir: Use this setting to support bi-directional
transfers on the parallel port.
EPP: The parallel port can be used with devices
that adhere to the Enhanced Parallel Port (EPP)
specification. EPP uses the existing parallel port
signals to provide asymmetric bi-directional 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 data transfer rates up to 2.5 Megabits
per second. ECP provides symmetric bi-
directional communication.
EPP Version EPP data or address read cycle 1.9 or 1.7
Parallel Port /Port2 IRQ This option specifies the IRQ used by the parallel
port. The settings are Auto, (IRQ) 5, (IRQ) 7.
Parallel Port DMA Channel This option is only available if the setting for the
Parallel Port Mode option is ECP. This option
sets the DMA channel used by the parallel port.
The settings are DMA Channel 0, 1, or 3.
Hardware Monitor Setup
Figure 3-9. Hardware Monitor Setup Options