Apple powermac server g3 minitow Servicehandbuch

 

 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