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Motherboard Connections
This section describes the connections, jumpers and LED indicators on the motherboard and
provides pinout definitions. Not all connections are required. A motherboard layout indicating
component locations may be found in Chapter 1.
Please review the Safety Precautions in Chapter 3 before installing or removing components.
4.1 Headers and Connectors
The data cables in the system have been carefully routed to maintain airflow efficiency. If you
disconnect any of these cables, take care to re-route them as they were originally.
Important! Make sure the the cables do not come into contact with the fans.
Fan Headers
There are two fan headers on the motherboard. These are 4-pin fan headers; pins 1-3 are
backward compatible with traditional 3-pin fans. The onboard fan speeds are controlled by
Thermal Management through the BIOS > Hardware Monitoring. Note: When using Thermal
Management setting, use all 3-pin fans or all 4-pin fans.
Disk-On-Module Power Connector
The Disk-On-Module (DOM) power connector at JSD1 provides 5V power to a solid-state
DOM storage device connected to one of the SATA ports.
Chapter 4: Motherboard Connections
Chapter 4
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
DOM Power
Pin Definitions
Pin#
Definition
1
5V
2
Ground
3
Ground
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