Step 5 Set Jumpers, Continued

J2, J3, J5, and J7 Termination Enable J2, J3, J5, and J7 are 3-pin bergs that set the SCSI termination for each SCSI channel:

 

Jumper

SCSI

SCSI Termination

SCSI Termination

SCSI

 

 

 

Channel

Controlled by

Always Disabled

Termination

 

 

 

 

Software

 

Always Enabled

 

 

J2

A

Short Pins 1-2

Short Pins 2-3

OPEN

 

 

J3

B

Short Pins 1-2

Short Pins 2-3

OPEN

 

 

J5

C

Short Pins 1-2

Short Pins 2-3

OPEN

 

 

J7

D

Short Pins 1-2

Short Pins 2-3

OPEN

 

 

 

 

 

 

 

 

J9, J10, J11, and J12 TERMPWR Enable J9, J10, J11, and J12 are 2-pin bergs that enable TERMPWR to the SCSI bus for each SCSI channel:

 

Jumper

Term.

Settings

 

 

 

Power

 

 

 

 

Channel

 

 

 

J9

A

Short Pins 1-2 to have the PCI bus on the host computer

 

 

 

 

provide TermPWR. This is the factory setting. Leave

 

 

 

 

Open to let the SCSI bus provide TermPWR.

 

 

J10

B

Short Pins 1-2 to have the PCI bus on the host computer

 

 

 

 

provide TermPWR. This is the factory setting. Leave

 

 

 

 

Open to let the SCSI bus provide TermPWR.

 

 

J11

C

Short Pins 1-2 to have the PCI bus on the host computer

 

 

 

 

provide TermPWR. This is the factory setting. Leave

 

 

 

 

Open to let the SCSI bus provide TermPWR.

 

 

J12

D

Short Pins 1-2 to have the PCI bus on the host computer

 

 

 

 

provide TermPWR. This is the factory setting. Leave

 

 

 

 

Open to let the SCSI bus provide TermPWR.

 

 

 

 

 

 

Cont’d

54MegaRAID Enterprise 1600 Hardware Guide