IBM 393, 387, 391, 389, 388, 441, 390, 392 manual Replacing the front system fan, What to do next

11.Route the signal cables of the new front panel board assembly through the corresponding hole in the chassis and position the new front panel board assembly on the chassis so that the screw hole in it is aligned with the corresponding screw hole 1 in the chassis. Then, install the screw to secure the front panel board assembly in place.

Figure 85. Installing the front panel board assembly

12.Connect the front panel USB cable to the internal dual-port USB 2.0 connector 1 on the system board. Then, connect the front panel cable to the front panel connector on the system board. See “System board components” on page 42.

13.Properly route the signal cables of the new front panel board assembly according to your note. You might need to secure the signal cables with cable clips or ties in the chassis.

14.Reinstall the front system fan(s). See “Replacing the front system fan” on page 149.

15.Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 87.

16.If you are instructed to return the old front panel board assembly, follow all packaging instructions and use any packaging materials that are supplied to you for shipping.

What to do next:

•To work with another piece of hardware, go to the appropriate section.

•To complete the replacement, go to “Completing the parts replacement” on page 162.

Replacing the front system fan

Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information” on page iii and “Guidelines” on page 83.

This topic provides instructions on how to replace the front system fan.

Chapter 6. Installing, removing, or replacing hardware 149