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Chassis Intrusion (JL1)
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to the header to inform you when the chassis is opened.
Expansion Slots
The motherboard features several expansion slots. The table below describes each slot's
type and speed.
Name
SXB1A
SXB1B
SXB1C
SXB2
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect an LED indicator to provide warnings of chassis
overheating or fan failure. This LED will blink when a fan failure occurs. Refer to the table
below for pin definitions.
Chassis Intrusion
Pin Definitions
Pins
Definition
1
Ground
2
Intrusion Input
Expansion Slots
Description
Riser Slot
Riser Slot (for CPU Slot1 PCIe 5.0 x16, Slot3, PCIe 5.0 x16)
Riser Slot
Riser Slot (for CPU Slot2, PCIe 5.0 x16)
Overheat / Fan Fail
Pin Definitions
Pins
Definition
1
5 VDC
2
OH Active
Overheat / Fan Fail
LED Status
Status
Definition
Off
Normal
On, Solid
Overheat
On, Blinking
Fan Failure
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Chapter 2: Installation
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