Step 5 Set Jumpers, Continued

J1 Termination Enable J1 is a three-pin header that specifies hardware or software control of SCSI termination.

 

Type of SCSI Termination

J10 Setting

 

Software control of SCSI termination via drive detection.

Short Pins 1-2

 

Permanently disable all onboard SCSI termination.

Short Pins 2-3

 

Permanently enable all onboard SCSI termination.

OPEN

 

 

 

 

 

J9 I2C Interface Connector J9 is a four-pin header that allows the i960JX core processor to serve as a master and slave device that resided on the I2C bus when used with the I2C Bus Interface Unit. Attach a four-wire cable from J9 to the I2C Bus Interface Unit.

Pin

Description

1

SDA

2GND

3SCL

4VCC

J5 Serial Port J5 is a 3-pin berg that attaches to a serial cable. The pinout is:

Pin

Signal Description

Pin

Signal Description

1

RXD

2

TXD

3

GND

 

 

Cont’d

54MegaRAID Express 500 Hardware Guide