Lenovo 3809, 3836, 3826, 3724, 3824, 3808, 3815, 3817 manual Front view, Usb

Chapter 4. Server controls, LEDs, and power

This section describes the controls, light-emitting diodes (LEDs), and connectors on the front and rear of the server, and how to turn the server on and off. For the location of the LEDs on the system board, see “System-board LEDs” on page 33.

Note: The illustrations in this document might differ slightly from your model.

Front view

The following illustrations show the controls, LEDs, and connectors on the front of the server models.

The following is an illustration of the 3.5-inch SAS/SATA hot-swap hard disk drive model:

1	Power-on LED	7	DVD-eject button
2	Power-control button	8	Hard disk drive activity LED (green)
3	Hard disk drive activity LED	9	Hard disk drive status LED (amber)
4	System-error LED	10	DVD drive activity LED (green)
5	USB 2	11	Front information panel
6	USB 1

The following is an illustration of the 2.5-inch SAS/SATA hot-swap hard disk drive model:

© Lenovo 2009. Portions © IBM Corp. 2009. 15