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CPEx GX-333-X CyberResearch
®
CPU Cards
50 ©Copyright 2007 CyberResearch, Inc.
Audio Interface
Audio Connector
AC’97 Audio signals are interfaced through a 10-pin audio adapter kit with 10-pin header on one
end and phone jacks on the other end. These signals include Microphone line-in, line-in stereo,
and line-out stereo.
COM Port Connectors [COM1(CN21), COM2/COM3(CN18)]
The CPEx GX-333-X provides three (3) serial ports (COM1: RS-232; COM2: RS-232/422/485)
interfaced through one DB-9 connector (COM1) and one 14-pin combo male header. These
serial ports facilitate the connection to serial devices or a communication network, e.g., terminal
console.
LCD Flat Panel Connection (CN10,)
The VGA/TFT interface on the CPEx GX-333-X connects conventional CRT displays and flat
panel displays including passive LCD and active LCD displays. There are two (2) connectors
onboard for the connection to the two (2) display types:
1. CRT VGA monitors
2. TFT flat panel displays
One CRT display connector (CN23) is provided as a 15-pin, female D-SUB to connect
conventional CRT displays. Pin assignments can be found in Chapter 2 Functional
Description.
Flat Panel Display Connector (CN10):
CN10 is a 40-pin connector, Hirose DF13A-40DP-1.25V, which can support a 24-bit LCD panel.
A bias control signal, ENVEE, active high on CN10, controls the LCD bias voltage. The LCD bias
voltage shall not be applied until the +5V or +3.3V logical supply and panel video signals become
stable. When powered on, the control signal remains low until receiving the flat panel signals.