46
A+ Server AS -4124GS-TNR User's Manual
Chapter 4
Motherboard Connections
LEDs on the motherboard are also described here. A serverboard layout indicating component
locations may be found in Chapter 1.
Please review the Safety Precautions in Chapter 3 before installing or removing components.
Data Cables
you disconnect any of these cables, take care to re-route them as they were originally when
reconnecting them.
Important! Make sure the cables do not come into contact with the fans.
4.1 Power Connections
Backplane 12V and 5V 8-pin Power Connectors
PWR1/BP, PWR2/BP and PWR3/BP are 8-pin 12V and 5V DC power inputs for the system's
Backplane 8-pin Power
Pin Denitions
Pin# Denition Pin# Denition
1 Ground 4 +12V
2 Ground 5 +12V
3 Ground 6 +5V
Power Supply Connectors
JPW1~JPW4 are the 12V power sources for the H12DSG-O-CPU motherboard. Refer to the
4-pin HDD Power
Pin Denitions
Pin# Denition
1 Ground (Black)
2 +12V (Red)
3 Tachometer (Yellow)
4
PWM control (Blue)