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Chapter 2 Connecting Peripherals
29
Warnings: 1. Make sure that you unplug your power supply
when adding or removing expansion cards or other
system components. Failure to do so may cause
severe damage to both your CPU card and expan-
sion cards.
2. ATX power supplies may power on if certain
motherboard components or connections are
touched by metallic objects.
Important: Make sure that the ATX power supply can take at
least a 720 mA load on the 5 V standby lead (5VSB).
If not, you may have difficulty powering on your
system and/or supporting the "Wake on LAN"
function.
2.14.2 Controlling the soft power switch
Users can also identify the current power mode through the system's
power LED (see Section 2.13.1).
2.15 LCD Inverter Connector (CN23)
CN23 consists of a 44-pin dual inline header.
The PCA-6359 Series provides a bias control signal that can be used
to control the LCD bias voltage. It is recommended that the LCD bias
voltage not be applied to the panel until the logic supply voltage (+5
V or +3.3 V) and panel video signals are stable. Under normal
operation, the control signal (ENAVEE) is active high. When the
PCA-6359 Series' power is applied, the control signal is low until just
after the relevant flat panel signals are present.