SUPER MICRO Computer H8QME-2, H8QM8-2 PCI-X Slot Frequency Select, Watch Dog Enable/Disable

H8QM8-2/H8QME-2 User's Manual

PCI-X Slot Frequency Select

Jumper JPXA1 is are used to set the speed of PCI-X slots #1 and #2. The recommended (default) setting is open for Auto. See the table on the right for jumper settings.

PCI-X Slot Frequency Select

Jumper JPXB1 is are used to set the speed of PCI-X slots #3 and #4. The recommended (default) setting is open for Auto. See the table on the right for jumper settings.

Watch Dog Enable/Disable

JWD controls the Watch Dog function. Watch Dog is a system monitor that can reboot the system when a software application hangs. Pins 1-2 will cause WD to reset the system if an applica- tion has frozen. Leaving the jumper open will disable the Watch Dog fea- ture. See the table on the right for jumper settings. Watch Dog must also be enabled in BIOS (setting located in the Power Menu).

PCI-X Slot #3/#4 Frequency Select Jumper Settings (JPXA1)

Jumper Setting	Definition
Pins 1-2		MHz PCI-X
	66
Pins 2-3		MHz PCI
	66
Open	Auto

PCI-X Slot #3/#4 Frequency Select Jumper Settings (JPXB1)

Jumper Setting	Definition
Pins 1-2		MHz PCI-X
	66
Pins 2-3		MHz PCI
	66
Open	Auto

Watch Dog

Jumper Settings (JWD)

Jumper Setting	Definition
Pins 1-2	Reset
Open	Disabled

Note: When enabled, the user needs to write their own application software in or- der to disable the Watch Dog timer. There is no setting for closing pins 2-3.

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