Basics Data Buses - 9
Data Buses
The data buses on the iMac include:
• USB: The mouse, keyboard, and any additional external
peripheral devices connect to this bus. For more
information on this bus, refer to “USB Support” later in
this chapter.
• EIDE (Extended Integrated Drive Electronics): There are
two EIDE connectors on the logic board (the ATAPI CD-
ROM drive uses one of these connectors, and the ATA
hard drive uses the second connector, so the CD-ROM
drive and the hard drive are on separate buses).
Note
: There is no SCSI bus on the iMac.
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