Switching On and Testing the 2104

1.If the power to the using system is switched off, switch it on.

2.Refer to Figure 26.

Figure 26. Checking the Lights

The 2104 has two lights. The green Power light 1 comes on and stays on. The amber Check light 2 comes on for approximately two seconds and goes off.

Each disk drive module has two lights. The green Activity light 3 comes on for approximately two seconds when power is first supplied to the disk drive; it then goes off. The amber Check light 4 then comes on for approximately two seconds and then goes off.

Note: Dummy disk drive modules have no lights.

Configuration is complete when the lights on the 2104, and its installed disk drive modules, are as described here (refer to Figure 26):

2104 Power light 1: On

2104 Check light 2: Off

Activity light 3 on each installed disk drive module: Off

Check light 4 on each installed disk drive module: Off

If the lights are correct:

a.Refer to the Web site described at “Web Support Pages” on page 59 for the latest microcode and system software levels. Ensure that the using-system software is at the correct level for the 2104, and that the correct level of microcode for the disk drive modules has been loaded.

b.Go to Appendix A, “Operating with RISC Systems”, on page 35, which gives information about how to configure your 2104 to the using system, what service aids are available, and how to collect statistics during the operation of your 2104.

Installing a 2104 Model DU3 33

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IBM DU3 manual Switching On and Testing, Checking the Lights