Headers And Connectors; Headers - Supermicro SuperServer SYS-110D-4C-FRAN8TP User Manual

4.2 Headers and Connectors

Headers

Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to inform you of a chassis intrusion when the chassis is opened. Refer to
the table below for pin definitions.
COM Header
The motherboard has one COM header (COM1) that provides a serial connection .
Fan Headers
There are six 4-pin fan headers (FAN1 - FAN4, FANA, FANB) on the motherboard. All these
4-pin fan headers are backwards compatible with the traditional 3-pin fans. However, fan
speed control is available for 4-pin fans only by Thermal Management via the BMC 2.0
interface. Refer to the table below for pin definitions.
Chassis Intrusion
Pin Definitions
Pin# Definition
1 Ground
2 Intrusion Input
COM Header (COM1)
Pin Definitions
Pin# Definition Pin#
1 DCD 2
3 RXD 4
5 TXD 6
7 DTR 8
9 Ground 10
Fan Header
Pin Definitions
Pin# Definition
1 Ground (Black)
2 4.2 A/+12 V (Red)
3 Tachometer
4 PWM_Control
51
Chapter 4: Motherboard Connections
Definition
DSR
RTS
CTS
RI
N/A