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Internal I/O Connectors
X
LPT
„ LPT Connector
25
1
2
The LPT port is for interfacing your PC to a parallel printer. It supports SPP, ECP and EPP.
SPP (Standard Parallel Port)
Allows normal speed operation but in one direction only.
Allows parallel port to operate in bidirectional mode and
ECP (Extended Capabilities Port)
at a speed faster than the SPP's data transfer rate.
Allows bidirectional parallel port operation at maximum
EPP (Enhanced Parallel Port)
speed.
User's Manual | AL102
„ LPT Pin Assignment
Pin
Assignment
Pin
Assignment
1
Strobe
2
Auto Feed
3
Data_Out_0
4
ERP_WAKE
5
Data_Out_1
6
INIT
7
Data_Out_2
8
Select Printer
9
Data_Out_3
10
GND
11
Data_Out_4
12
GND
13
Data_Out_5
14
GND
15
Data_Out_6
16
GND
17
Data_Out_7
18
GND
19
ACK
20
GND
21
Busy
22
GND
23
Paper End
24
GND
25
Select
26
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Internal I/O Connectors
X
Chassis Intrusion
„ Chassis Intrusion Pin Assignment
Pin Assignment
1
Signal
The board supports the chassis intrusion detection function. Connect the chassis intrusion
sensor cable from the chassis to this connector. When the system's power is on and a chassis
intrusion occurred, an alarm will sound. When the system's power is off and a chassis intrusion
occurred, the alarm will sound only when the system restarts.
Chapter 2
HARDWARE INSTALLATION
„ Chassis Intrusion
1
Pin Assignment
2
GND
29
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