Lenovo 4221, 4220, 4222, 4215, 4219 manual Removing the computer cover

Internal drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. Figure 5 “Drive bay locations” on page 73 shows the locations of the drive bays.

Figure 5. Drive bay locations

The following list describes the type and size of the drive that you can install in each bay:

1

2

3

4

5

Bay 1 - Maximum height: 43.0 mm (1.7 inches)

Bay 2 - Maximum height: 43.0 mm (1.7 inches)

Bay 3 - Maximum height: 25.8 mm (1.0 inch)

Bay 4 - Maximum height: 25.8 mm (1.0 inch)

Bay 5 - Maximum height: 25.8 mm (1.0 inch)

Optical drive

Optical drive

3.5-inch card reader (installed in some models)

3.5-inch secondary SATA hard disk drive (installed in some models)

3.5-inch primary SATA hard disk drive

Removing the computer cover

Attention

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkStation Safety and Warranty Guide, go to:

http://www.lenovo.com/support

This section provides instructions on how to remove the computer cover.

CAUTION:

Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

Chapter 9. Replacing FRUs 73