SUPER MICRO Computer H8QM3-2 Serial Ports, Fan Headers, Overheat LED, Power LED/Speaker

Models: H8QM3-2

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H8QM3-2/H8QMi-2 User's Manual

Serial Ports

The COM1 serial port is located beside the USB ports on the I/O backplane. COM2 is a header located near the SIMLC slot. Refer to the table on the right for pin definitions.

Serial Port Pin Definitions

(COM1, COM2)

Pin #

Definition

Pin #

Definition

1

DCD

 

DSR

6

2

RXD

 

RTS

7

3

TXD

 

CTS

8

4

DTR

 

RI

9

5

Ground

10

NC

 

 

 

 

Note: NC indicates no connection.

Fan Headers

The serverboard has nine fan head- ers, which are designated FAN1 through FAN9. Fans speed may be set to full or variable speed with a BIOS setting. See the table on the right for pin definitions.

Note: when using active heatsinks, FAN4 is for CPU1, FAN3 is for CPU2, FAN7 is for CPU3 and FAN8 is for CPU4.

Fan Header

Pin Definitions

(FAN1-9)

Pin# Definition

1Ground (Black)

2+12V/9V (Red)

3Tachometer

Note: Fan speed may controlled by a BIOS setting to change with system temperature. As a result, pin 2 may be either 12V or 9V. See Chapter 4 for BIOS settings.

Overheat LED

Connect an LED to the JOH1 header to provide warning of chassis over- heating. See the table on the right for pin definitions.

Overheat LED

Pin Definitions (JOH1)

Pin# Definition

1+3.3V

2OH Active

Power LED/Speaker

On the JD1 header, pins 1-3 are for

apower LED, pins 4-7 are for the speaker. See the table on the right for speaker pin definitions. Note: The speaker connector pins are for use with an external speaker. If you wish to use the onboard speaker, you should close pins 6-7 with a jumper.

Speaker Connector

Pin Definitions (JD1)

Pin #

Function

 

Definition

4

+

 

Speaker data (red wire)

 

5

Key

 

No connection

 

6

 

 

Key

 

 

7

 

 

Speaker data

 

 

 

 

 

 

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SUPER MICRO Computer H8QM3-2 user manual Serial Ports, Fan Headers, Overheat LED, Power LED/Speaker

H8QM3-2 specifications

The Super Micro Computer H8QM3-2 is a cutting-edge server motherboard designed to meet the demanding needs of high-performance computing applications. Built upon the AMD Opteron architecture, it is tailored for enterprises seeking robust server capabilities with exceptional performance, reliability, and scalability.

One of the standout features of the H8QM3-2 is its support for dual AMD Opteron 6100 series processors. This allows for an impressive processing power that can handle resource-intensive tasks and demanding workloads. With a maximum supported RAM of 512GB via 16 DIMM slots, this motherboard can efficiently manage large datasets and applications that require substantial memory.

The H8QM3-2 also boasts a versatile I/O capabilities. It includes multiple PCI-E 2.0 slots to accommodate a variety of expansion cards, ensuring that businesses can customize their servers to meet specific requirements. The motherboard features up to six SATA III ports for enhanced data transfer speeds and reliable connectivity. These ports support both RAID 0 and RAID 1 configurations, which provide options for data redundancy and enhanced performance.

In terms of network connectivity, the H8QM3-2 integrates dual 1GbE ports, allowing for efficient data transmission and reliable networking. This integration is vital for servers that rely on continuous uptime and need to manage extensive network traffic.

Another significant advantage of the H8QM3-2 is its energy efficiency. Supermicro's commitment to green computing is evident in this motherboard's design, which balances performance and power consumption. Organizations can benefit from reduced operational costs while still enjoying high-performance capabilities.

The H8QM3-2 is also designed with advanced thermal management technology. It features dedicated cooling zones and support for multiple fans to ensure that components remain at optimal temperatures, thus prolonging their lifespan and maintaining performance standards.

Security features are paramount in server technology, and the H8QM3-2 does not disappoint. Its support for hardware-based security features helps protect sensitive data and integrity against various threats.

In summary, the Super Micro Computer H8QM3-2 motherboard stands out in the realm of server solutions. With its support for dual AMD Opteron processors, extensive memory capacity, versatile I/O options, energy efficiency, and advanced thermal management, it is an excellent choice for businesses looking to upgrade their server infrastructure while maximizing performance and reliability.