The following illustration shows the locations of the drive bays.The following table describes some of the drives you can install in each bay andtheir height requirements.«1¬ Bay 1 - Max Height: 41.3 mm (1.6 in.) CD-ROM drive (standard in some models)5.25-inch hard disk drive«2¬ Bay 2 - Max Height: 41.3 mm (1.6 in.) 5.25-inch hard disk drive3.5-inch hard disk drive (requires a mountingbracket)CD-ROM driveDVD-ROM drive«3¬ Bay 3 - Max Height: 25.4 mm (1.0 in.) 3.5-inch diskette drive (preinstalled)«4¬ Bay 4 - Max Height: 25.4 mm (1.0 in.) Hard disk drive (preinstalled)Notes:1. Drives that are greater than 41.3 mm (1.6 in.) high cannot be installed.2. Install removable media (tape or CD) drives in the accessible bays: bays 1 or 2.Power and signal cables for internal drivesYour computer uses cables to connect integrated drive electronics (IDE) drives tothe power supply and to the system board. The following cables are provided:v Four-wire power cables connect most drives to the power supply. At the end ofthese cables are plastic connectors that attach to different drives; theseconnectors vary in size. Also, certain power cables attach to the system board.v Flat signal cables, also called ribbon cables, connect IDE and diskette drives to thesystem board. There are two sizes of ribbon signal cables that come with yourcomputer:– The wider signal cable has two or three connectors.- If the cable has three connectors, one of these connectors is attached to thedrive, one is a spare, and the third attaches to the primary or secondaryIDE connector on the system board.Chapter 5. Installing internal options — microtower model 61