52
A+ Server AS -1114S-WTRT User's Manual
Onboard Battery (BATTERY)
The onboard back up battery is located at BATTERY. The onboard battery provides backup
power to the on chip CMOS, which stores the BIOS' setup information. It also provides power
to the Real Time Clock (RTC) to keep it running.
Expansion Slots
The motherboard features several expansion slots. The table below describes each slot's
type and speed.
Expansion Slots
Name
Description
SXB1A
Riser Slot
SXB1B
Riser Slot (for CPU Slot1 PCI-E 4.0 x16, Slot3, PCI-E 4.0 x16)
SXB1C
Riser Slot
SXB2
Riser Slot (for CPU Slot2, PCI-E 4.0 x16)
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.
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
on right for pin definitions.
Overheat / Fan Fail
Pin Definitions
Pins
Definition
1
5vDC
2
OH Active
Overheat / Fan Fail
LED Status
Status
Definition
Off
Normal
On, Solid
Overheat
On, Blinking
Fan Failure
Chassis Intrusion
Pin Definitions
Pins
Definition
1
Ground
2
Intrusion Input