5Turn on the computer.
Now you hear the computer’s sound through the external speakers.
Note: To control the volume of your external speakers, open the Sound control panel and choose Volumes in the pop-up menu. Use the Built-in Headphones slider to adjust the volume for your external speakers. If you are playing an audio CD, you may also need to adjust the volume control in the program you’re using to play CDs.
Connecting external SCSI devices
Your computer has a port for connecting devices that use the Small Computer System Interface (SCSI, pronounced “skuh-zee”). The SCSI port permits high-speed communication between the computer and the device. The SCSI icon appears above the port on the computer’s back panel.
SCSI icon
SCSI port
You can connect SCSI devices to the SCSI port in a chain. The first device in the chain plugs into the SCSI port; the second device plugs into the first device, and so on. SCSI devices commonly used with the Macintosh include hard disk drives, CD-ROM players, scanners, printers, and tape or cartridge backup drives. You can attach up to seven SCSI devices to the external SCSI port of your computer.
Note: In addition to the external SCSI port, your computer has a second, internal SCSI interface. The internal hard disk drive that came with the computer and the optional CD-ROM player are connected to this internal SCSI interface. You can have an Apple-authorized dealer attach an additional device to the internal SCSI interface. For more information about the SCSI interfaces, see the Technical Information booklet that came with your computer.
40Chapter 3
