52 IBM : Hardware Maintenance Manual
• Tape drives
• CD drives or DVD drives
• Removable media drives
Internal drives are installed in bays. Within this book, the bays are referred to as bay 1,
bay 2, and so on.
When you install an internal drive, it is important to note what type and size of drive
that you can install in each bay. Also, it is important to correctly connect the internal
drive cables to the installed drive.
Drive specifications
Your computer comes with the following IBM-installed drives:
• A CD drive or DVD drive in bay 1 (some models)
• A 3.5-inch diskette disk drive in bay 3
• A 3.5-inch hard drive in bay 4
Models that do not have drives installed in bays 1 and 2 have a static shield and bay
panel installed.
The following illustration shows the locations of the drive bays.
The following table describes some of the drives you can install in each bay and their
height requirements.