Chapter 5: Advanced Serverboard Setup

Reset Connector

The reset connector is located on pins 3 and 4 of JF1 and attaches to the reset switch on the computer chas- sis. See the table on the right for pin definitions.

Power Fail LED

The Power Fail LED connection is located on pins 5 and 6 of JF1. Re- fer to the table on the right for pin definitions.

Reset Button

Pin Definitions (JF1)

Pin# Definition

3Reset

4Ground

PWR Fail LED

Pin Definitions (JF1)

Pin# Definition

5Vcc

6Ground

Overheat/Fan Fail LED (OH)

Connect an LED to the OH connection on pins 7 and 8 of JF1 to provide ad- vanced warning of chassis overheat- ing. Refer to the table on the right for pin definitions.

NIC2 (LAN2) LED

OH/Fan Fail LED

Pin Definitions (JF1)

Pin# Definition

7Vcc

8Ground

OH/Fan Fail Indicator

Status

State Definition

Off

Normal

On

Overheat

Flash-

Fan Fail

ing

 

 

 

The LED connections for LAN2 are on pins 9 and 10 of JF1. Attach an LED cable to display network activ- ity. See the table on the right for pin definitions.

NIC1 (LAN1) LED

The LED connections for LAN1 are on pins 11 and 12 of JF1. Attach an LED cable to display network activ- ity. See the table on the right for pin definitions.

NIC2 LED

Pin Definitions (JF1)

Pin# Definition

9Vcc

10Ground

NIC1 LED

Pin Definitions (JF1)

Pin# Definition

11Vcc

12Ground

5-15

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SUPER MICRO Computer SERIES3800, S120T user manual Reset Connector, Power Fail LED, Overheat/Fan Fail LED OH