IBM 2104 Model DU3 User Manual

Page 41

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Note: Your Linux operating system may not support SES but the SES

functions are used when running the standalone AIX Diagnostic CD.

Attention: The SCSI address of the SCSI attachment that is connected to the
2104 must be different from the addresses of the installed disk drive modules.
When a second SCSI attachment is connected to a 2104, the SCSI address of
that SCSI attachment must be different from the address of the first SCSI
attachment and different from the addresses of the installed disk drive
modules.

12. The 2104 Orientation switch

2 configures the Power and Check lights that

are on the front of the 2104. Ensure that this switch is set to Off so that the
lights are correct for your 2104 Model DU3.

13. The SCSI Bus Split switch

3 controls the SCSI bus configuration of your

2104. When the switch is set to Off, the 2104 is configured in single SCSI bus
mode. When the switch is set to On, the 2104 is configured in dual SCSI bus
(split bus) mode.

When a 2104 Model DU3 is in dual SCSI bus mode, the SCSI addresses of
one SCSI bus are 0 through 6, from left to center, and the SCSI addresses of
the other SCSI bus are 8 through 14, from center to right.

Refer to the 2104 configuration information, and set the SCSI Bus Split switch

3 as required.

14. Switch

4 is reserved. Ensure that is it set to Off.

Installing a 2104 Model DU3

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