User's Manual
Table Of Contents
- Power Macintosh G3 Desktop
- Hot Issues
- Introduction
- Shared Logic Board
- Processor Module Vs. Card
- Power Supply Jumper
- Processor Module Jumper
- Warranty Sticker
- Power Supply Voltage Setting
- Voltage Regulator
- I/O Card
- ROM DIMM
- SDRAM DIMMs
- SGRAM Video Memory
- EIDE Bus Issue
- Master/Slave Support
- Ultra Wide SCSI Cable Routing
- DVD-ROM Disk Damage
- CD-ROM Ejection Problem
- HFS+ Formatted Drives
- Power-On Issue
- Basics
- Overview
- Data Buses
- Ultra Wide SCSI Card
- 10/100 BaseT Ethernet Card
- DVD-ROM Drive Technology
- FireWire Technology
- The Cuda Chip
- Resetting the Logic Board
- Sound
- Video Input and Output
- The DAV Connector
- Voltage Switch
- PowerPC G3 and Backside Cache
- SDRAM DIMMs
- SGRAM Video Memory
- DIMM Slots
- Peripheral Component Interconnect (PCI)
- Front View
- Rear View
- Internal Locator
- Logic Board
- Repair Strategy
- Warranty/AppleCare/ARIS
- G3 Design Information
- PowerPC Design Information
- Specifications
- Take Apart
- Top Housing
- Bezels
- Chassis Latch
- CD-ROM or DVD-ROM Drive
- Zip Drive
- Floppy Drive
- Drive Chassis
- Open/Remove Card Retainer Baffle
- Open Internal Chassis
- Hard Drive
- Drive Rails
- Power Supply
- Speaker
- Power Actuator
- Processor Module
- Battery
- PCI Cards
- Ultra Wide SCSI PCI Card
- FireWire PCI Card
- I/O Card
- Logic Board
- Rear Panel
- Bottom Chassis
- Modem Card
- Upgrades
- Troubleshooting
- Exploded View
- Screw Matrix
- Audio/Video Card Info
- Build-to-Order Info
- Hot Issues
Basics Data Buses - 5
Data Buses
The data buses on the Power Macintosh G3 Desktop 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): 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
connectors, and if an ATA hard drive is installed, it uses
the second connector).