Com Port Ring-In/+12V/+5V Power Select: Jcompwr1, Jcompwr2, Jcompwr3, - Intel RX87Q User Manual

1.11.4 ATX/AT Mode Selection: AT_ATX_1
This header provides the option to boot the system in the form of ATX mode (default) or AT mode.
When the system is set in AT mode, the system power on/off will be controlled directly by the power switch
on power supply. And some of the power saving modes will not function as ATX mode provided.
1.12 The Expansion Slots
In the future, you may need to install expansion cards. The following sub-sections describe the
expansion slots and the expansion cards that they support.
Make sure to unplug the power cord before adding or removing expansion cards.
Failure to do so may cause you physical injury and damage mainrboard
components.
1.12.1 Installation of Expansion Card
To install an expansion Card:
1. Before install the expansion card, read the documentation that came with it and make the necessary
hardware setting for the card.
2. Remove the chassis cover (if the mainboard is installed in a chassis).
3. Remove the expansion slot bracket from the chassis on the slot that you intend to use. Keep the screw
for later use.
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