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#MAC MINI POWER SUPPLY FAILURE HOW TO#
#MAC MINI POWER SUPPLY FAILURE MAC OS#
#MAC MINI POWER SUPPLY FAILURE INSTALL#
#MAC MINI POWER SUPPLY FAILURE MANUAL#
#MAC MINI POWER SUPPLY FAILURE ZIP#

#MAC MINI POWER SUPPLY FAILURE ZIP#

The Narrow SCSI-1 bus is used to connect the ZIP drive (if present) and any SCSI-1 hard drives.īasics Data Buses - 6 Note: Some Power Mac G3 system use a Master/Slave interface. The narrow SCSI-1 chain supports up to seven internal and external SCSI devices.

Narrow SCSI-1: The SCSI-1 chain transfers data at up to 5 MB per second.

2 MB video RAM expandable to 4 MB or 6 MB with 3.3 V, 83 MHz or faster SGRAM on a 144-pin small outline dual inline memory module (SO-DIMM) Optional Build-to-Or der P o wer Mac G3 Desktop Features: īasics Data Buses - 5 Data Buses The data buses on the Power Macintosh G3 Desktop include:.

CD-ROM ATAPI drive at 24X speed (unless customer orders DVD-ROM drive).

Optional 100 MB SCSI Iomega or ATAPI Zip drive in one of the expansion bays.

Three expansion bays for adding internal 3.5-inch SCSI devices.

RAM expandable to 384 MB i n 3 DIMM card slots using 64-bit 168-pin JEDEC-standard 3.

PowerPC G3 microprocessor running at 233 MHz, 266 MHz, or 300 MHz.

This flexible design makes this computer easy to service and upgrade.īasics Overview - 2 Features of the P o wer Mac G3 Desktop inc lude:

Service Source K Basics Po wer Macintosh G3 Desktop.īasics Overview - 1 Overview The Power Macintosh G3 desktop chassis design allows you to access the logic board and its components, including the removable processor, without having to remove the power supply or any drives. Hot Issues Power-On Issue - 11 Power-On Issue If you experience a power-on issue with the Power Macintosh G3 Desktop where the power supply fan is spinning, but there is no boot tone, no hard drive noise, no power LED, and no video, you may have an improperly installed or faulty voltage regulator.

#MAC MINI POWER SUPPLY FAILURE MAC OS#

Hot Issues HFS+ Formatted Drives - 1 0 HFS+ Formatted Drives Hard drives that ship with the Version 2 Power Macintosh G3 logic board (part number 661-2063) use a file format called Mac OS Extended format, also referred to as HFS+. Any type of scratch or other abuse may result in a disk that is unreadable. It is important to note that DVD disks are much more prone to damage than CD-ROM disks. Hot Issues DVD-ROM Disk Damage - 9 the Take-Apart chapter.) DVD-ROM Disk Damage The Power Macintosh G3 Desktop offers DVD-ROM drives as a build-to-order option. This configuration provides user with the ability to add additional hard drives or removal media devices to their system. Hot Issues Master/Slave Support - 8 Master/Slave Support Some Power Macintosh G3 Desktop computers support adding two ATA/IDE devices to the same ATA/IDE channel, or what is commonly known as master and slave. (See “SGRAM Video Memory” in the Basics chapter.

#MAC MINI POWER SUPPLY FAILURE INSTALL#

Never install the 256K or 512K video memory DIMMs used in older Macintosh computers. Use only SGRAM SO-DIMMs in these machines. Hot Issues SGRAM Video Memory - 7 SGRAM Video Memory Power Macintosh G3 computers use SGRAM video memory.

#MAC MINI POWER SUPPLY FAILURE HOW TO#

(See “Logic Board” in the Take-Apart chapter for instructions on how to prepare the logic board for return to Apple Computer. You should not remove the ROM DIMM from the logic board. Hot Issues ROM DIMM - 6 ROM DIMM The Power Macintosh G3 Desktop logic board uses a ROM DIMM as opposed to soldered ROM. Hot Issues Voltage Regulator - 5 Voltage Regulator There is a removable voltage regulator on the logic board, which comes with the logic board and can also be ordered as a separate module. Service Providers must replace this sticker if they have removed it during servicing to protect the customer’s warranty. The customer’s warranty is void if this sticker is tampered with.

Hot Issues Warranty Sticker - 4 Warranty Sticker There is a warranty sticker that covers the processor module jumper. Failure to install this jumper in the correct position may result in a computer that won’t boot up. The setting of this jumper differs between the Power Mac G3 Desktop and Minitower. Hot Issues Power Supply Jumper - 3 Power Supply Jumper The Power Macintosh G3 Desktop logic board has a power supply jumper, which is installed at J28. Hot Issues Shared Logic Board - 2 Shared Logic Board The Power Macintosh G3 Desktop and Minitower computers use the same logic board, but there are jumper settings that differ between them (see “Jumper Location J28” and “Jumper Location J16” in the Troubleshooting chapter).

#MAC MINI POWER SUPPLY FAILURE MANUAL#

This chapter alerts you to important issues and provides links to other areas in the manual where more complete information can be found. Hot Issues Introduction - 1 Introduction This chapter is designed to highlight unique or high- priority product issues that you should be aware of before servicing the Power Macintosh G3 Desktop computer. Service Source K Hot Issues Po wer Macintosh G3 Desktop. Service Source K Po wer Macintosh G3 Desktop.