Apple Power Macintosh G3 Minitower Dokumentacja Strona 24

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Basics Data Buses - 8
Data Buses
The data buses on the Power Macintosh G3 Minitower and
Macintosh Server G3 include:
Narrow SCSI-1: The SCSI-1 chain transfers data at up to
5 MB per second. The narrow SCSI-1 chain supports up
to seven internal and external SCSI devices. The Narrow
SCSI-1 bus is used to connect the ZIP drive (if present)
and any SCSI-1 hard drives.
Ultra Wide SCSI-3 (provided on Ultra Wide SCSI card,
which is optional on the G3 Minitower and standard on
the Server G3): The Ultra Wide SCSI-3 chain can
transfer data at up to 40 MB per second and supports up
to three internal devices. This bus is used to connect any
Ultra Wide SCSI devices.
EIDE (Extended Integrated Drive Electronics): There are
two EIDE connectors on the logic board (the ATAPI CD-
ROM drive or DVD-ROM drive uses one of these
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