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Service Hints & Tips

Document ID: GKEY-3H4DAA

PCServer704 - Diagram (Backplane Connectors)

Applicable to: World-Wide

Backplane Connectors

J2

LED cable connector for drives 1, 2, 3

J3,J4

Drive ID and configuration jumper blocks

J5

Wide SCSI bay drive 1

J6

Wide SCSI bay drive 2

J7

Wide SCSI bay drive 3

J8

Narrow SCSI cable, output

J9

LED cable connector for drives 4, 5, 6

J10

Power and ground from power distribution board and power supply

J11

IC bus connector

J12

Wide SCSI drive bay 4

J13

Wide SCSI drive bay 5

J14

Wide SCSI drive bay 6

J15

Wide SCSI cable connector, input from channel A or B




Backplane Configuration Jumpers

SCSI Drive ID, J3 and J4

Jumper

Pins

SCSI

ID

of

Drive

J3,IDA

J4,IDB

HD

HD

HD

HD

HD

HD

1

2

3

4

5

6

1-2

1-2

0

1

10

3

4

13

1-2

2-3

0

1

2

3

4

5

2-3

2-3

8

9

2

11

12

5

2-3

1-2

8

9

10

11

12

13


Factory default setting for ARRAY models.
Factory default setting for Non - ARRAY models.

SCSI Flash Update Jumper, J4

Jumper Pins

Description

10-11

Reserved

9-10

Normal

Factory

default setting.


External Backplane Jumper

Jumper Pins

Description

6-7

Reserved

5-6

Internal backplane (backplane is installed in the server)

Factory

default setting.


Secondary Jumper, J4

Note

When more than one backplane is installed in the server, the backplane in the upper position is jumpered as primary and the backplane in the lower position is jumpered as secondary.


Jumper Pins

Description

6-7

Secondary

5-6

Primary

Factory

default setting.



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Hint Category

Hard Drives, Hardware Maintenance Information

Date Created

15-05-97

Last Updated

22-01-99

Revision Date

27-05-99

Brand

IBM PC Server

Product Family

PC Server 704

Machine Type

8650

Model

Various

TypeModel

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