Step 3—Set Jumpers

Make sure the jumper settings on the PERC 3/SC card are correct. The jumpers and connectors are shown in Table 8-1.

Tab l e 8 - 1 . P E R C 3 / S C J u mp e r s

Connector

Description

Type

 

 

 

J1

SCSI bus termination enable control

3-pin header

 

 

 

J2

CPLD programming

10-pin header

 

 

 

J3

Non-volatile random access memory

2-pin header

 

(NVRAM) clear

 

 

 

 

J4

Serial erasable programmable read-

2-pin header

 

only memory (EPROM)

 

 

 

 

J5

Serial port

3-pin header

 

 

 

J6

Write pending

2-pin header

 

 

 

J7

BIOS enable

2-pin header

 

 

 

J8

User activity light-emitting diode

4-pin connector

 

(LED)

 

 

 

 

J9

I2C connector

4-pin header

 

 

 

J10

SCSI bus termination power

2-pin header

 

 

 

J11

Internal straddle-mount connector

68-pin connector

 

 

 

J13

External SCSI connector

68-pin connector

 

 

 

J15

RUBI slot interrupt steering

3-pin header

 

 

 

J16

RUBI slot interrupt steering

3-pin header

 

 

 

J17

RUBI slot interrupt steering

3-pin header

 

 

 

J1 Termination Enable

J1 is a three-pin header that specifies hardware or software control of SCSI termination. The default is OPEN. The settings are shown in Table 8-2.

Ta b l e 8 - 2 . J 1 Te r mi n a t i o n E n a b l e S e t t i n g s

Type of SCSI Termination

J10 Setting

 

 

Software control of SCSI termination using drive

Short pins 1-2

detection.

 

PERC 3/SC Hardware Installation

105

Page 107
Image 107
Dell manual Set Jumpers, J1 Termination Enable, Tab l e 8 1 . P E R C 3 / S C J u mp e r s