Supermicro H8DAI-2 Bedienungsanleitung PDF herunterladen (Seite 39)

Chapter 2: Installation

2-19

I

2

C to PCI Enable/Disable

The JI

2

C1/2 pair of jumpers allows you

to connect the System Management

Bus to the PCI expansion slots. The

default setting is disabled (pins 2-3) for

both jumpers. Both connectors must

be set the same (JI

2

C1 is for data and

JI

2

C2 is for the clock). See the table on

right for jumper settings.

I

2

C to PCI Enable/Disable

Jumper Settings

(JI

2

C1/2)

Jumper Setting Deﬁ nition

Pins 1-2 Enabled

Pins 2-3 Disabled

3rd Power Supply Fail Signal

Enable/Disable

The system can notify you in the event

of a power supply failure. This feature

assumes that three redundant power

supply units are installed in the chas-

sis. If you only have one or two power

supplies installed, you should disable

the function with the J3P header to pre-

vent false alarms. See the table on the

right for jumper settings.

3rd Power Supply Fail Signal

Jumper Settings (J3P)

Jumper Setting Deﬁ nition

Open Disabled

Closed Enabled

Note: When enabled, the user needs to

write their own application software in or-

der to disable the Watch Dog timer.

Watch Dog

JWD controls Watch Dog, a system

monitor that takes action when a soft-

ware application freezes the system.

Jumping pins 1-2 will cause WD to

reset the system if an application is

hung up. Jumping pins 2-3 will gen-

erate a non-maskable interrupt signal

for the application that is hung up.

See the table on the right for jumper

settings. Watch Dog can also be

enabled via BIOS.

Watch Dog

Jumper Settings (JWD)

Jumper Setting Deﬁ nition

Pins 1-2 Reset

Pins 2-3 NMI

Open Disabled

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 83 84

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