Connecting The Module To The Motherboard; Parallel Port - DFI HD330-H81 User Manual

Connecting the Module to the Motherboard

Note:
The system board used in the following illustrations may not resemble the actual one.
These illustrations are for reference only.
The extension module requires two cables, including the LPC cable and the power cable, to
connect to the motherboard for additional COM/Parallel ports via the LPC connector. The illus-
tration of connecting the extension module to the motherboard is shown below.
the LPC connector on the motherboard.
USB
Power
Cable
EXT-6C1PR
the extension module connected to the motherboard via the LPC connector.
Chapter 2 Hardware Installation
Chapter 2
LPC
LPC
LPC
Cable

Parallel Port

The 25-pin connector is used to connect an external parallel port. The parallel port connects
your PC to a parallel printer. It supports SPP, ECP and EPP.
SPP
(Standard Parallel Port)
ECP
(Extended Capabilities Port)
EPP
(Enhanced Parallel Port)
Note:
The parallel connector on the HD330-H81D system board is optional.
30
1 2
Parallel
25 26
Allows normal speed operation but in one
direction only.
Allows parallel port to operate in bidirectional
mode and at a speed faster than the SPP's data
transfer rate.
Allows bidirectional parallel port operation at
maximum speed.
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