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2-20 Chapter 2: Hardware information
2.5.7 AI Slot Detector
This motherboard comes with on-board LEDs that light up when the PCIE/
PCI devices are not correctly installed. This is a reminder that you should
reinstall these devices. Refer to the gure on the right for the location of the
LEDs.
• The PCIEx16_1 slot (blue)
supports PCIE x16 cards
only. The AI Slot Detector
lights up when you install a
x1 or x4 card to this slot.
• When the AI Slot Detector
lights up for incorrect
installation, make sure to
shut down the power supply
unit before reinstalling the
card to avoid electrical shock
hazard.
Primary PCI Express x16 slots
The primary PCI Express x16 slots support PCI Express x16 graphic cards that
comply with the PCI Express specications.
Universal PCI Express slot (max. x4 mode)
This motherboard also supports a Universal PCI Express slot with a maximum
speed of 2 GB/s. The operating frequency of this slot changes, depending on the
type of PCI Express card you install. Refer to the table below for details.
If you install two VGA cards, we recommend that you plug the rear chassis fan cable
to the motherboard connector labeled CHA_FAN1 for better thermal environment.
See page 2-29 for the connector location.
Some PCI Express devices cannot operate on x4/x1 mode.
Options for Universal PCI Express operating speed
PCI Express slot
Auto Automatically optimizes performance
and functionality according to devices
installed
x4 mode [fast] User gets the best performance but this
mode disables the PCI Express x1 slot
x1 mode [compatible] Always runs at PCI Express x1 speed
P5E3 DELUXE
®
P5E3 DELUXE/WiFi-AP
Slot Detector
DET_X1_1
DET_PCI1
DET_X16_1
DET_X1_2
DET_X16_2
DET_PCI2
DET_X16_3