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 Ultra Wide SCSI Card - 21
• SCSI interface: SCSI-1, SCSI-2, SCSI-3, Ultra SCSI
• Electrical signals: Single-ended versions
• Extensive device support: Up to 105 Through Logical
Unit Numbers (LUN’s) (Wide and Narrow devices)
Cable Length Limits
When using Ultra SCSI single-ended devices, you can connect
up to 8 devices if the total cable length is no longer than 1.5
meters (about 4.5 feet). If total cable length is between 1.5
meters and 3.0 meters (about 9 feet), you can connect only
4 SCSI devices. Error-free operation is not guaranteed if
you exceed these limits.
When not using Ultra SCSI devices, SCSI specification limits
total bus cable length for single-ended SCSI to 6 meters or
approximately 18 feet (this is a combined figure of both
internal and external cable lengths). You should keep cable