Atx Power Connector (Cn2) - Aaeon MB-668 Manual

Quick Installation Guide

ATX Power Connector (CN2)

For ease and reliability, a standard 20-pin ATX power supply con-
nector is onboard. Which also provide positive plugging through
it's guided and locking mechanism. Pin definitions as follows:
Pin Signal
1 N/C
2 N/C
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 N/C
9 5VSB
10 +12V
Parallel Port 1 Connector (CN10) and
Parallel Port 2 Connector (CN21)
The mainboard is designed to support two parallel ports. Port 1
connector (CN10) also designated as LPT1 is a standard 25-pin
D-sub connector specially prepared for external interface. And
port 2 connector (CN21) designated as LPT2 in the form of a 13x2
pin header connector for embedded connection purposes. Both
can be enabled and disabled in the BIOS system setup. For exam-
ple if LPT1 is disabled, LPT2 or LPT3 is enabled. And if LPT2 is
disabled, LPT1or LPT3 is enabled. The pin definitions for both
CN10 and CN21 are listed as follows: ( Please turn to next page).
Pin Signal
11 N/C
12 -12V
13 GND
14 PON
15 GND
16 GND
17 GND
-5V
18
19 +5V
20 +5V
MB-668 Installation Guide 13