Parallel Connector; Digital I/O And/Or Power Connector - DFI EC200 User Manual

Parallel Connector

26 25
Parallel
2 1
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.
Allows normal speed operation but in one
SPP
(Standard Parallel Port) direction only.
Allows parallel port to operate in bidirectional
ECP
mode and at a speed faster than the SPP's data
(Extended Capabilities Port)
transfer rate.
Allows bidirectional parallel port operation at
EPP
maximum speed.
(Enhanced Parallel Port)
Chapter 5 Ports and Connectors
Chapter 5

Digital I/O and/or Power Connector

19
Digital I/O
2 1
The 8-bit Digital I/O connector provides powering-on function to external devices that are con-
nected to the connector. The pin functions of the 8-bit digital I/O connector are listed below.
Pins Pin Assignment
1 GND
3
DIO7
5 DIO6
DIO5
7
DIO4
9
DIO3
11
13 DIO2
15 DIO1
17 DIO0
GND
19
47
Pins Pin Assignment
+12V
2
+12V
4
GND
6
+5V
8
+5V
10
GND
12
+5V_Standby
14
+5V_Standby
16
GND
18
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