SUPER MICRO Computer AS2042G72RF4, 2042G-6RF I2C to PCI-Express Slot, Watch Dog Enable/Disable

Models: AS2042G72RF4 2042G-TRF 2042G-6RF

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Chapter 5: Advanced Serverboard Setup

I2C to PCI-Express Slot

JI2C1/JI2C2 allows you to enable the I2C bus to communicate with the PCI-Express slot. For the jumpers to work properly, please set both jumpers to the same setting. If enabled, both jumpers must be enabled. If disabled, both jumpers must be disabled. See the table on the right for jumper settings.

Watch Dog Enable/Disable

JWD1 enables the Watch Dog function, a system monitor that takes action when a software application freezes the system. Jumping pins 1-2 will have WD reboot the system if a program freezes. Jumping pins 2-3 will generate a non-maskable interrupt for the program that has frozen. See the table on the right for jumper settings. Watch Dog must also be enabled in BIOS.

VGA Enable/Disable

JPG1 allows you to enable or disable the VGA port. The default position is on pins 1 and 2 to enable VGA. See the table on the right for jumper settings.

LAN1/2 Enable/Disable

Change the setting of jumper JPL1 to enable to enable or disable the LAN1 and LAN2 Ethernets ports. See the table on the right for jumper settings. The default setting is enabled.

SAS Enable/Disable

JPS1 allows you to enable or disable the SAS controller. The default position is on pins 1 and 2 to enable SAS. See the table on the right for jumper settings.

I2C to PCI-Express Slot

Jumper Settings

(JI2C1/JI2C2)

Jumper Setting Definition

Closed

Enabled

Open

Disabled

 

 

Watch Dog

Jumper Settings (JWD1)

Jumper Setting Definition

Pins 1-2

Reset

Pins 2-3

NMI

Open

Disabled

 

 

Note: when Watch Dog is enabled, the user must write their own application software to disable the Watch Dog Timer.

VGA Enable/Disable

Jumper Settings (JPG1)

Jumper Setting Definition

Pins 1-2

Enabled

Pins 2-3

Disabled

 

 

LAN1/2 En/Disable

Jumper Settings (JPL1)

Jumper Setting Definition

Pins 1-2

Enabled

Pins 2-3

Disabled

 

 

SAS Enable/Disable

Jumper Settings (JPS1)

Jumper Setting Definition

Pins 1-2

Enabled

Pins 2-3

Disabled

 

 

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SUPER MICRO Computer AS2042G72RF4, 2042G-6RF I2C to PCI-Express Slot, Watch Dog Enable/Disable, VGA Enable/Disable