Apple powermac server g3 minitow Manuale Di Servizio
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