Apple Power Macintosh G3 Specifiche

Service Source K Power Macintosh G3Desktop

Hot Issues Master/Slave Support - 8 Master/Slave Support Some Power Macintosh G3 Desktop computers support adding two ATA/IDE devices to the same AT

Take Apart Bezels - 4 Bezels Before you begin, remove the top housing. Note: As you face the computer, the bezels are in the middle of the top hous

Take Apart Bezels - 5 1 From the underside of the top housing, pull out on the moon-shaped opening at the bottom of the bezel to release the tab. Li

Take Apart Chassis Latch - 6 Chassis Latch Before you begin, remove the top housing. Note: The chassis latches mount in the internal chassis and se

Take Apart Chassis Latch - 7 1 Use a screwdriver to push out the tab indicated in the illustration. Slide the latch forward and lift it from the cha

Take Apart CD-ROM or DVD-ROM Drive - 8 CD-ROM or DVD-ROM Drive Before you begin:• Remove top housing• Remove CD-ROM or DVD-ROM EMI shield Note: Spe

Take Apart CD-ROM or DVD-ROM Drive - 9 1 Disconnect the SCSI data cable, power cable, and CD audio cable from the back of the CD-ROM or DVD-ROM driv

Take Apart CD-ROM or DVD-ROM Drive - 10 2 Pull up the release tab and slide the CD-ROM or DVD-ROM forward to remove it from the internal chassis. No

Take Apart CD-ROM or DVD-ROM Drive - 11 Replacement Note: When replacing the CD-ROM drive, you must install two or more poron bumpers (p/n 922-3554

Take Apart CD-ROM or DVD-ROM Drive - 12 The following graphic shows the installation instructions.

Take Apart CD-ROM or DVD-ROM Drive - 13 Master/Slave Cable Routing Some G3 Desktop logic boards support master and slave IDE configurations, allowin

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-o

Take Apart CD-ROM or DVD-ROM Drive - 14 The graphic at left shows how the split master/slave IDE cable connects to the logic board. The same connect

Take Apart Zip Drive - 15 Zip Drive Before you begin:• Remove top housing• Remove Zip and CD/DVD EMI shield Note: Special cable routing instruction

Take Apart Zip Drive - 16 1 Disconnect the cable from the back of the Zip drive. Caution: The power cable connector is a keyed connector. If it is

Take Apart Zip Drive - 17 2 Push up on the tab underneath the zip drive and slide the zip drive out of the chassis.

Take Apart Zip Drive - 18 Master/Slave Cable Routing Some G3 Desktop logic boards support master and slave IDE configurations, allowing you to conne

Take Apart Zip Drive - 19 The graphic at left shows how the split master/slave IDE cable connects to the logic board. The same connector is used for

Take Apart Floppy Drive - 20 Floppy Drive Before you begin, remove the top housing. Note: As you face the computer, the floppy drive is in the top

Take Apart Floppy Drive - 21 1 Remove the blank shield and the floppy drive shield from the front of the unit.

Take Apart Floppy Drive - 22 2 Flip open the chassis support foot.

Take Apart Floppy Drive - 23 3 Disconnect the floppy drive cable from the back of the floppy drive.Floppy Drive Cable Floppy Drive

Hot Issues HFS+ Formatted Drives - 10 HFS+ Formatted Drives Hard drives that ship with the Version 2 Power Macintosh G3 logic board (part number 661

Take Apart Floppy Drive - 24 4 Pull out on the plastic drive rails that secure the floppy drive to the drive chassis and push back the drive to rele

Take Apart Floppy Drive - 25 Replacement Note: If you are replacing the floppy drive, remove the EMI gasket from the defective drive and attach the

Take Apart Drive Chassis - 26 Drive Chassis Before you begin, remove the top housing.

Take Apart Drive Chassis - 27 1 Push in on the two tabs securing the drive bracket to the internal chassis and slide the drive bracket out to remove

Take Apart Open/Remove Card Retainer Baffle - 28 Open/Remove Card Retainer Baffle Before you begin, remove the top housing.

Take Apart Open/Remove Card Retainer Baffle - 29 To Open the Card Retainer Baffle: 1 With one hand lift up on the baffle while, with the other hand,

Take Apart Open/Remove Card Retainer Baffle - 30 To Remove the Card Retainer Baffle: 2 With the baffle slightly raised, push in on the top tab to rel

Take Apart Open Internal Chassis - 31 Open Internal Chassis Before you begin, open the card retainer baffle.1 Release the chassis latches.

Take Apart Open Internal Chassis - 32 2 Flip out the chassis support foot.

Take Apart Open Internal Chassis - 33 3 Swing open the internal chassis that contains the power supply. Be sure the internal chassis is perpendicula

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

Take Apart Open Internal Chassis - 34 4 To secure the internal chassis in the up position, flip down the chassis support arm. Make sure the tab on t

Take Apart Hard Drive - 35 Hard Drive Before you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal chassis Note

Take Apart Hard Drive - 36 1 Disconnect the cables from the hard drive.

Take Apart Hard Drive - 37 2 Pull up the release tab at the front of the hard drive and push the back of the hard drive to remove it from the drive

Take Apart Drive Rails - 38 Drive Rails Before you begin, do the following:• Remove top housing• Remove CD-ROM or DVD-ROM drive• Remove Zip drive• O

Take Apart Drive Rails - 39 1 Use a screwdriver to push out the tab indicated in the illustration. 2 Slide the drive rail either forward or backward

Take Apart Power Supply - 40 Power Supply Before you begin• Remove top housing• Open Card Retainer Baffle• Open internal chassis Note: As you face

Take Apart Power Supply - 41 1 Disconnect the power supply cable from the CD-ROM or DVD-ROM drive.2 Open the internal chassis.

Take Apart Power Supply - 42 3 Disconnect the power supply cable from the hard drive and the logic board.

Take Apart Power Supply - 43 4 From the back of the computer, remove the two screws that secure the power supply to the chassis.ScrewScrew

Service Source K Basics Power Macintosh G3 Desktop

Take Apart Power Supply - 44 5 Release the chassis support arm and swing down the internal chassis.ChassisSupport ArmTab

Take Apart Power Supply - 45 6 Remove the screw that secures the power supply to the bottom of the internal chassis

Take Apart Power Supply - 46 7 Slide the power supply forward and pull it out of the computer. You will need to feed the power supply cables that co

Take Apart Power Supply - 47 switch is accessible through the computer’s rear panel when the power supply is installed. Replacement Note: There are

Take Apart Speaker - 48 Speaker Before you begin, remove the top housing. Note: As you face the computer, the speaker is in the front left corner

Take Apart Speaker - 49 2 Remove the two Torx screws that secure the speaker to the metal chassis. ScrewScrew

Take Apart Speaker - 503 Disconnect the speaker cable from the logic board.4 Press the latch holding the speaker to the chassis and lift the speaker

Take Apart Power Actuator - 51Power ActuatorBefore you begin, remove the top housing.Note: As you face the computer, the power actuator is in the fr

Take Apart Power Actuator - 521 Push in the tab that secures the power actuator to the chassis and push the power actuator out of the computer.Power

Take Apart Processor Module - 53Processor ModuleBefore you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal cha

Basics Overview - 1 Overview The Power Macintosh G3 desktop chassis design allows you to access the logic board and its components, including the re

Take Apart Processor Module - 541 Remove the screw that holds the processor module wire to the logic board.Replacement Note: The processor module wi

Take Apart Processor Module - 55Warning: The heat sink may be hot to the touch. 2 While pressing down on the top of the clip that secures the heatsi

Take Apart Processor Module - 563 Lift up the clip and remove it from heatsink.

Take Apart Processor Module - 574 Lift up the heatsink to remove it from the processor module.

Take Apart Processor Module - 585 Lift the metal lever at the left of the processor module.

Take Apart Processor Module - 596 Pick up the processor module by the edges and gently lift straight up to remove it. Be careful not to bend the pins

Take Apart Processor Module - 607 Remove the warranty sticker and red jumper block located next to the battery if replacing the logic board only.IMPO

Take Apart Processor Module - 61 8 Install the jumper as shown. Depending on the computer’s processor speed, you will install a red jumper (233 MHz)

Take Apart Processor Module - 62module to install it. Never force the module or you may damage the gold connector pins on the underside. Flip down th

Take Apart Battery - 63BatteryBefore you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal chassisNote: As you

Basics Overview - 2 Features of the Power Mac G3 Desktop include: • PowerPC G3 microprocessor running at 233 MHz, 266 MHz, or 300 MHz• RAM expandab

Take Apart Battery - 641 Use a screwdriver to gently pry up one side of the battery cover.

Take Apart Battery - 652 Lift up the battery to remove it from the logic board.

Take Apart PCI Cards - 66PCI CardsBefore you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal chassisNote: PCI

Take Apart PCI Cards - 671 Remove the screw that secures the PCI card to the back of the chassis.

Take Apart PCI Cards - 682 Grab the corners of the PCI card and pull up the card to remove it.

Take Apart Ultra Wide SCSI PCI Card - 69Ultra Wide SCSI PCI CardThe ultra wide SCSI card installs like any other PCI card (see the PCI Cards take-apa

Take Apart Ultra Wide SCSI PCI Card - 701 Attach the end of the ultra wide SCSI cable that has just one connector to the ultra wide SCSI PCI card.2 R

Take Apart Ultra Wide SCSI PCI Card - 713 Feed the ultra wide SCSI cable through the first cut out in the drive chassis.

Take Apart Ultra Wide SCSI PCI Card - 724 Attach the very end of the cable that has two connectors to the upper (maybe only) ultra wide hard drive. I

Take Apart Ultra Wide SCSI PCI Card - 735 Route the ultra wide SCSI cable on top of the 50-pin SCSI cable and tape them both to the power supply. The

Basics Overview - 3 • Three expansion bays for adding internal 3.5-inch SCSI devices• Optional 100 MB SCSI Iomega or ATAPI Zip drive in one of the e

Take Apart Ultra Wide SCSI PCI Card - 74Note: You must order leaf gaskets to install on the ultra wide hard drive whenever you replace this module.6

Take Apart FireWire PCI Card - 75FireWire PCI CardBefore you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal c

Take Apart FireWire PCI Card - 761 Disconnect the internal FireWire cable from the card.2 Using a Phillips screwdriver, remove the screw securing the

Take Apart FireWire PCI Card - 77Replacement Note : The following steps explain how to route and reconnect the FireWire cable.3 After connecting the

Take Apart FireWire PCI Card - 785 Run the FireWire cable up to meet the drives. Then, connect the very end of the FireWire cable to the power supply

Take Apart FireWire PCI Card - 79Note: The graphic at left shows the internal FireWire cable and each of its connectors.

Take Apart I/O Card - 80I/O CardBefore you begin, do the following:• Remove top housing• Open internal chassisNote: The I/O card installs perpendicu

Take Apart I/O Card - 812 Remove the two screws that secure the I/O card to the metal chassis.3 Grab the corners of the I/O card and pull up the card

Take Apart Logic Board - 82Logic BoardBefore you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal chassis• Remo

Take Apart Logic Board - 831 Swing open the expansion card cover to provide access to the logic board.2 Disconnect all cables from the logic board.3

Basics Overview - 4 • 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 mod

Take Apart Logic Board - 844 Remove the screw that attaches the processor module wire to the logic board.Replacement Note: The processor module wire

Take Apart Logic Board - 855 Press down on the two tabs at the front of the logic board and slide the board forward (away from the rear panel) to rel

Take Apart Logic Board - 86Desktop model, this jumper must cover the pins marked “Mac”. Failure to install this jumper correctly will result in a com

Take Apart Logic Board - 87replacement logic board. This sticker must be in place to protect the customer’s product warranty.IMPORTANT: If you are r

Take Apart Logic Board - 88The graphic at left shows how the split master/slave IDE cable connects to the logic board. The same connector is used for

Take Apart Rear Panel - 89Rear PanelBefore you begin, do the following:• Remove top housing• Open Card Retainer Baffle• Open internal chassis• Remove

Take Apart Rear Panel - 901 Lift the rear panel straight up to unhook it from the metal chassis. Once the rear panel is unhooked, you can remove it f

Take Apart Rear Panel - 91from the chassis, however, just slide it forward about an inch. Once you have the rear panel in place, slide the logic boar

Take Apart Bottom Chassis - 92Bottom ChassisBefore you begin, do the following:• Remove the top housing• Open Card Retainer Baffle• Remove PCI cards

Take Apart Bottom Chassis - 93Note: The bottom chassis is what is left once all other modules have been removed.

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

Take Apart Modem Card - 94Modem CardBefore you begin, do the following:• Remove the top housing• Open the internal chassis• Remove the I/O Card

Take Apart Modem Card - 951 Lay the I/O card on a flat surface and gently lift up on the modem card to remove it.Replacement Note: Align the modem ca

Service Source K Upgrades Power Macintosh G3 Desktop

Upgrades PCI or I/O Cards - 1 PCI or I/O Cards Before you begin, remove the top housing.1 Open the expansion card cover.ExpansionCardCover

Upgrades PCI or I/O Cards - 2 2 Remove the screw that holds the port access cover in place.3 Pull out the access cover. Note: If you remove all th

Upgrades PCI or I/O Cards - 3 4 Align the card connector with the expansion slot and press straight down until the connector inserts all the way int

Upgrades PCI or I/O Cards - 4 5 If you meet resistance, pull the card out and try again.6 To test the connection, pull the card up gently. The card

Upgrades PCI or I/O Cards - 5 8 Close the expansion card cover.ExpansionCardCover

Upgrades Memory—DRAM or VRAM - 6 Memory—DRAM or VRAM Open Chassis Before you begin, remove the top housing.1 To unlock the chassis, move the release

Upgrades Memory—DRAM or VRAM - 7 3 Lift up on the tab to open the chassis.Tab

Service Source K Hot Issues Power Macintosh G3 Desktop

Basics Data Buses - 6 Note: Some Power Mac G3 system use a Master/Slave interface. See “Support for Master and Slave” later in this section for mor

Upgrades Memory—DRAM or VRAM - 8 4 Swing the chassis up and insert the support arm in the hole.SupportArmHole in Chassis Floor

Upgrades Memory—DRAM or VRAM - 9 DRAM Note: DIMM shape and components may vary.1 To remove existing DRAM DIMMs to make room for new ones, push dow

Upgrades Memory—DRAM or VRAM - 10 2 Align DIMM notches with DRAM slot ribs. Note: The DIMM is designed to fit in the slot only one way.3 With ejec

Upgrades Memory—DRAM or VRAM - 11 VRAM Note: SGRAM DIMM shape and components may vary.1 To remove existing SGRAM DIMM, spread arms of video memory

Upgrades Memory—DRAM or VRAM - 12 2 Align SGRAM DIMM notches with VRAM slot ribs. Note: SGRAM DIMM fits into slot only one way.3 Press the SGRAM D

Upgrades Memory—DRAM or VRAM - 13 Close Chassis 1 Lift up the chassis support arm from the hole on the chassis floor and gently swing the chassis ba

Upgrades Memory—DRAM or VRAM - 14 2 Close expansion card cover.3 Press the release switches toward the outside of the computer.4 Swing the support f

Upgrades Modem Card - 15 Modem Card Before you begin, do the following:• Remove the top housing• Open the internal chassis• Remove the I/O Card

Upgrades Modem Card - 16 1 Insert a small flatblade screwdriver in the modem slot cover on the I/O card.2 Gently twist the screwdriver to pop out t

Upgrades Modem Card - 17 3 Holding the modem card at a slight angle to the I/O card, insert the metal lip on the modem card’s connector panel thro

Basics Data Buses - 7 Table 1: Internal Buses on G3 Desktop Interface Connector TypeNotes Max # of DrivesMax Data Transfer Rate SCSI-3 1

Upgrades Modem Card - 18 4 Gently swing down the modem card so that it is aligned on top of the modem card slot on the I/O card. 5 Gently press down

Upgrades Modem Card - 19 6 Reinstall the I/O card in the computer. Be sure to insert the three screws that secure the I/O card to the metal chassis.

Service Source K Troubleshooting Power Macintosh G3 Desktop

Troubleshooting General/ - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. B

Troubleshooting New Components Theory of Operation/Voltage Regulator - 2 New Components Theory of Operation New components on the Power Macintosh G3

Troubleshooting New Components Theory of Operation/Processor Module - 3 Processor Module The Power Macintosh G3 logic board comes with a removable p

Troubleshooting New Components Theory of Operation/Jumper Location J16 - 4 Jumper Location J16 The jumper block you place at location J16 configures

Troubleshooting New Components Theory of Operation/Jumper Location J28 - 5 Jumper Location J28 Jumper location J28 controls which power supply the P

Troubleshooting New Components Theory of Operation/I/O Cards - 6 I/O Cards Power Macintosh G3 computers require an I/O card that moves audio and/or

Troubleshooting New Components Theory of Operation/HFS+ Formatted Drives - HFS+ Formatted Drives Some Power Macintosh G3 Desktop computers ship wi

Basics Data Buses - 8 Notes for Table 1: 1 The Ultra Wide SCSI PCI card is optional on the G3 Desktop unit. The Apple Ultra Wide SCSI card and cabl

Troubleshooting New Components Theory of Operation/HFS+ Formatted Drives - verify whether or not the customer may have used the wrong disk repair s

Troubleshooting New Components Theory of Operation/HFS+ Formatted Drives - drive has been formatted. Drives formatted with HFS will appear as “Mac

Troubleshooting Cleaning Procedure for Card Connectors/HFS+ Formatted Drives Cleaning Procedure for Card Connectors It is possible for residue to b

Troubleshooting Power Supply Verification/Verification Procedure - 11 Power Supply Verification The Power Macintosh G3 logic board requires a “trick

Troubleshooting Power Supply Verification/Verification Procedure - 12 1. Plug in a known-good power cord into the back of the com-puter. Note: Do

Troubleshooting Power Supply Verification/Verification Procedure - 13 Figure 1. Power Supply 20-Pin ConnectorPin 20 +5VPin 19 +5VPin 18 GNDPin

Troubleshooting Power Supply Verification/Verification Procedure - 14 3. Power up the computer by pressing the On/Off button on the front of the Pow

Troubleshooting Power Supply Verification/Verification Procedure - 15 measure approximately +3.3V.If you do not measure +3.3V, re-check the voltmete

Troubleshooting Power Supply Verification/Verification Procedure - 16 If you do not measure +12V, re-check the voltmeter connec-tions and check for

Troubleshooting Symptom Charts/System - 17 Symptom Charts System Fan on power supply is running, but no startup chime, screen is black, drive not ac

Basics Data Buses - 9 Narrow SCSI-1 Bus All internal and external devices on the SCSI-1 chain must have unique ID numbers. SCSI ID numbers 0 through

Troubleshooting Symptom Charts/System - 18 6 Reseat ROM DIMM.7 Replace voltage regulator.8 Replace logic board.9 Replace processor module.Fan is run

Troubleshooting Symptom Charts/System - 19 Apart chapter for more information). 6 Reset Cuda chip. (Refer to “The Cuda Chip” in Basics chapter for i

Troubleshooting Symptom Charts/System - 20 Computer begins to power up, the fan and hard drive are spinning, the power LED is lit, but there is no v

Troubleshooting Symptom Charts/System - 21 5 Replace logic board. 6 Replace floppy drive cable.7 Replace floppy drive.8 Replace I/O card.System shut

Troubleshooting Symptom Charts/System - 22 System intermittently crashes or hangs1 Verify system software is version 8.0 or later with enabler 770.2

Troubleshooting Symptom Charts/System - 23 During startup, following message is displayed, "This startup disk will not work on this Macintosh m

Troubleshooting Symptom Charts/Error Chords - 24 Error Chords One-part error chord (sound of breaking glass) sounds during startup sequence1 Disconn

Troubleshooting Symptom Charts/Video - 25 Video Screen is black, but boot tone is present, drive operates, fan is running, and LED is lit1 Adjust br

Troubleshooting Symptom Charts/Video - 26 Screen is black, no boot tone and drive does not operate, but fan is running and LED is lit1 Reset Cuda ch

Troubleshooting Symptom Charts/Video - 27 5 Replace logic board. 6 Replace processor module.Horizontal flickering lines when viewing Apple Video Pla

Basics Data Buses - 10 Important : Detailed information on how to route and tape the Ultra Wide SCSI cable can be found in the Take-Apart chapter in

Troubleshooting Symptom Charts/Floppy Drive - 28 Floppy Drive Internal floppy drive does not operate1 Replace floppy disk with known-good disk.2 Rep

Troubleshooting Symptom Charts/Floppy Drive - 29 4 Replace logic board. 5 Replace processor module.Drive attempts to eject disk, but doesn’t1 Reseat

Troubleshooting Symptom Charts/Hard Drive - 30 Hard Drive Single internal hard drive does not operate; drive doesn’t spin1 Replace hard drive power

Troubleshooting Symptom Charts/Hard Drive - 31 Works with internal or external SCSI devices but not with both1 Verify there are no duplicate SCSI de

Troubleshooting Symptom Charts/Peripherals - 32 Peripherals Cursor does not move 1 Check mouse connection.2 Inspect inside of mouse for buildup of d

Troubleshooting Symptom Charts/Peripherals - 33 Cursor moves, but clicking mouse button has no effect1 Boot from floppy or bootable CD.2 Replace mou

Troubleshooting Symptom Charts/Peripherals - 34 Known-good serial printer does not work1 Verify you have correct version of system software.2 Verify

Troubleshooting Symptom Charts/CD-ROM Drive - 35 CD-ROM Drive CD-ROM drive does not work1 Try using known-good compact disc.2 Replace CD-ROM drive m

Troubleshooting Symptom Charts/CD-ROM Drive - 36 ejects properly. ( Note: Be sure to push the CD carrier in all the way before testing; if the CD d

Troubleshooting Symptom Charts/CD-ROM Drive - 37

Basics Data Buses - 11 Table 2: Assigning Ultra Wide SCSI ID Numbers Ultra Wide SCSI ID #Device 0 Factory-installed hard drive (terminated) 1 Factor

Troubleshooting Symptom Charts/CD-ROM Drive - 38 CD-ROM drive ejects at startup timeAdjust the CD-ROM drive carrier to mount as far forward as possi

Troubleshooting Symptom Charts/CD-ROM Drive - 39 CD-ROM drive vibrates and is unusually loud when CD spinsInstall rubber bumper (part number 922-367

Troubleshooting Symptom Charts/Miscellaneous - 40 Miscellaneous No sound from speaker1 Disconnect any microphones or external speakers.2 Verify that

Service Source K Exploded View Power Macintosh G3 Desktop

Exploded View 2Top Housing922-3282CD-ROM Drive661-1401Rear Panel(Part of Chassis)Speaker 922-1639 SpeakerHousing922-1640CD-ROM Carrier922-0850Flopp

Power Macintosh G3 Desktop Screw MatrixFloppy Drive to Carrier (4)CD-ROM Drive to Carrier (4)Zip-Drive to Carrier (4)Hard Drive Bracket to Chassis (

About Your Optional Power MacintoshAudio/ Video CardThe information in this update describes the additional capabilities of Power Macintoshcomputers

If your equipment has a different connector, you can purchase an adapter at an electronicssupply store.Connecting Audio Equipment Using the RCA PortsT

Connecting Video EquipmentThe Power Macintosh AV card provides additional ports for connecting video equipment sothat you can view TV and other video

Note: The S-video input port is compatible with both seven-pin and four-pin S-video connectors.Important The S-video connector is a round plug with

Basics Data Buses - 12 EIDE Bus The internal EIDE bus supports the internal CD-ROM or DVD-ROM drive. You can connect another EIDE device, such as an

If the S-video connector doesn’t slide easily into the port, check the pin alignment and tryagain. Don’t use force, which could damage the computer or

S-video connection for input from a cameraComposite video connection for input from a camera 6 Turn on the computer and the VCR or camera.7 To hear or

Connecting Video Equipment for Output From the ComputerYou can connect a VCR to record computer images and audio on videotape. The VCR recordswhat is

Depending on whether your equipment has S-video or composite video (RCA-type) ports,your finished connections should look like one of the following:S-

Connecting a TelevisionYou can connect to your computer any television that has either an S-video or compositevideo input port and Audio In ports. The

Television used as a monitor with a composite video connection2 Turn on the television and the computer.3 Click the TV Mirroring icon in the Control S

To turn off TV Mirroring, click the TV Mirroring icon in the Control Strip, and choose Turn TVMirroring Off from the menu that appears.Power Macintosh

Update: About Your Build-To-Order MacintoshCongratulations on purchasing your Macintosh computer. Since you chose the components ofyour computer, part

10/100Base-T Ethernet Card Specificationsm Open Transport: Mac OS 7.5.2 or later, AppleShare, AppleTalk, NetWare for Macintosh, TCP/IPm Connector: R

3About the Ultra Wide SCSI BusUp to three internal devices can be connected to the Ultra Wide SCSI bus on this card.All devices on the same SCSI bus m

Basics Data Buses - 13 devices to the EIDE bus.If you are connecting a single device to the EIDE bus, you should use the J9 connector (the one close

Ultra Wide SCSI Card Specificationsm Automatic terminationm Advanced Data Streaming Technology (ADS)m RAID-readym Embedded RISC I/P processorm Ultra S

Using Disk Utilities and Formats With RAIDImportant Drive Setup, the disk utility from Apple Computer, should not be used with RAIDvolumes. You must

Display Modes and Color DepthsResolution1Color Depths Vertical Refresh Rate (Hertz)512 x 384 256, thousands, millions 60640 x 480 256, thousands, mill

Apple FireWire Card The optional Apple FireWire Card is designed to work with digital video camcorders and decksthat use the DV format and have a Fire

To connect your Macintosh to a DV camera, plug the 6-pin connector into the Apple FireWireCard and the 4-pin connector into the camera’s DV port. Both

DVD-ROM DriveIf you chose the DVD-ROM option for your computer, you have a DVD-ROM drive in place ofthe CD-ROM drive. This type of drive is used in th

Basics Data Buses - 14 hard drives or removal media devices to their system.The Power Macintosh G3 Desktop units that support this feature can only

Basics Data Buses - 15 Configuring or Connecting Master/Slave Devices Each IDE channel can support either one or two devices. All Power Macintosh G3&

Hot Issues Introduction - 1 Introduction This chapter is designed to highlight unique or high-priority product issues that you should be aware of be

Basics Data Buses - 16 Devices are designated as master or slave using jumpers, small connectors that fit over pairs of pins to program the drive th

Basics Data Buses - 17 drives the master, or both the slave will likely result in a very confused system. Note : It makes no difference which conne

Basics Ultra Wide SCSI Card - 18 Ultra Wide SCSI Card Ultra Wide SCSI support is offered on the Power Macintosh G3 Desktop as an optional feature vi

Basics Ultra Wide SCSI Card - 19 second Ultra Wide SCSI card.To install a second Ultra Wide SCSI card, follow these guidelines:• Use a single-channe

Basics Ultra Wide SCSI Card - 20 • Embedded RISC I/P processor• Ultra SCSI connector: Fine pitch 68-pin “P”• Flash ROM BIOS• PCI 2.1 compliant• Larg

Basics Ultra Wide SCSI Card - 21 • SCSI interface: SCSI-1, SCSI-2, SCSI-3, Ultra SCSI• Electrical signals: Single-ended versions• Extensive device s

Basics Ultra Wide SCSI Card - 22 lengths as short as possible to ensure high signal quality and performance.If you connect a combination of Wide 16-

Basics 10/100 BaseT Ethernet Card - 23 10/100 BaseT Ethernet Card The specifications for the 10/100 BaseT ethernet card, which is an optional featur

Basics 10/100 BaseT Ethernet Card - 24 • Controllers: DECchip 21140, 32-bit internal processor per channel

Basics DVD-ROM Drive Technology - 25 DVD-ROM Drive Technology DVD stands for Digital Versatile Disc, an audio/video/data standard based on high-dens

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

Basics DVD-ROM Drive Technology - 26 DVD discs can hold nearly 26 times the amount of data that can be stored on a conventional CD. This capacity vi

Basics DVD-ROM Drive Technology - 27 Table 3: Storage CapacitiesDisc Type DiameterSides & LayersCapacityPlayback Time (video) CD-ROM 120mm SS 6

Basics DVD-ROM Drive Technology - 28 To squeeze all this information onto the CD-sized disc, DVD disc designers: 1)made track spacing and the pits a

Basics DVD-ROM Drive Technology - 29 DVD Layers

Basics DVD-ROM Drive Technology - 30 Compared to CD, DVD uses smaller pits and a more closely spaced track.The result is a significant increase in d

Basics DVD-ROM Drive Technology - 31 Table 4: CD vs. DVD ComparisonCD DVD Disc Diameter 120mm 120mmDisc Thickness 1.2mm 1.2mmDisc Structure Single s

Basics DVD-ROM Drive Technology - 32 Data Layers 1 1 or 2Data Capacity Approx. 680 MB Single Layer: 4.7 GBx2Dual Layer: 8.5 GBx2Data Transfer Rate M

Basics DVD-ROM Drive Technology - 33 Apple DVD-ROM Drive Specs The Apple DVD-ROM Drive is an ATAPI drive. It uses an IDE port on the Macintosh for c

Basics DVD-ROM Drive Technology - 34 Transfer Rate DVD: 2,705 KB/secondCD Mode 1: 1,293 to 3,000 KB/secondCD Mode 2: 1,474 to 3,429 KB/second Disk F

Basics DVD-ROM Drive Technology - 35 you will need to purchase a PCI decoder card. DVD Software Drivers Apple DVD-ROM UDF Volu

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 J

Basics DVD-ROM Drive Technology - 36 File Management System Micro UDF & ISO9660 Universal Disk Format (UDF) is a file system standard that suppo

Basics DVD-ROM Drive Technology - 37 supported either software or hardware updates to allow the drive to be upgraded so that it could write UDF. The

Basics DVD-ROM Drive Technology - 38 Stand-alone players use UDF while computer applications use the UDF bridge format, which consists of both ISO-9

Basics FireWire Technology - 39 FireWire Technology This section explains what FireWire technology is and gives specific information on Apple Comput

Basics FireWire Technology - 40 • A physically small thin serial cable - replaces today's bulky and expensive interfaces • Easy to use - no nee

Basics FireWire Technology - 41 FireWire technology speeds up the movement of multimedia data and large files and enables the connection of digital

Basics FireWire Technology - 42 Isochronous data transfer provides guaranteed data transport at a pre-determined rate. This is especially important

Basics FireWire Technology - 43 buffers to capture digital video. FireWire will gradually improve upon existing interfaces such as SCSI. FireWire pr

Basics FireWire Technology - 44 card is Apple Computer’s first implementation of FireWire technology. This card is designed to work with digital vid

Basics FireWire Technology - 45 200 Mbps and supports a single digital video camera. The external FireWire cable, which ships with the card, connect

Hot Issues Warranty Sticker - 4 Warranty Sticker There is a warranty sticker that covers the processor module jumper. The customer’s warranty is voi

Basics FireWire Technology - 46 Connecting the FireWire DVC Card The 6-pin connector on the external FireWire cable plugs into the card and the 4-pi

Basics FireWire Technology - 47 Installing the FireWire Card Software To install the Apple FireWire Card software:1 Insert the FireWire CD.2 Double-

Basics The Cuda Chip - 48 The Cuda Chip The Cuda is a microcontroller chip. Its function is to • Turn system power on and off• Manage system resets

Basics Resetting the Logic Board - 49 Resetting the Logic Board Resetting the logic board can resolve many system problems (refer to “Symptom Charts

Basics Resetting the Logic Board - 50 6 Reassemble the computer and test the unit. Note: This procedure resets the computer’s PRAM. Be sure to chec

Basics Sound - 51 Sound The sound system for the Power Macintosh G3 computers is implemented entirely on the I/O cards. (There are two versions avai

Basics Sound - 52 The Power Macintosh G3 also records sound from several sources: • A microphone connected to the line-level sound input jack• A com

Basics Sound - 53 Sound Output All sound output features for the Power Macintosh G3 computer are provided by an I/O card. The Audio I/O card (standa

Basics Sound - 54 Sound Input The I/O card provides a stereo sound input jack on the back of the enclosure for connecting an external Apple PlainTal

Basics Sound - 55 • Sound playback—computer-generated sound is sent to the speaker and the sound output jacks.• Sound playback with playthrough—comp

Hot Issues Voltage Regulator - 5 Voltage Regulator There is a removable voltage regulator on the logic board, which comes with the logic board and c

Basics Video Input and Output - 56 Video Input and Output The AV I/O card (an optional build-to-order feature) supports video input and output of co

Basics Video Input and Output - 57 The card can accept video input from an external device, such as a VCR or camcorder.

Basics The DAV Connector - 58 The DAV Connector The AV I/O Personality card has a digital audio video (DAV) connector. The DAV connector allows a PC

Basics Voltage Switch - 59 Voltage Switch The voltage switch must be set correctly to avoid damaging the computer. Insert a screw driver in the slot

Basics Voltage Switch - 60 Here is a table listing voltages for some countries: Country Voltage Japan 100South Korea 100 or 220Jamaica, Taiwan 110Pe

Basics Voltage Switch - 61 India, South Africa 220–250Israel, Pakistan, Singapore 230Australia, Kuwait, Malta, New Zealand, Northern Ireland, Papua

Basics PowerPC G3 and Backside Cache - 62 PowerPC G3 and Backside Cache Backside cache is a significant architectural design change from earlier Pow

Basics SDRAM DIMMs - 63 PowerPC G3, and a 2.5 L2 bus ratio, the backside cache bus speed will be 100MHz, twice the speed of the system bus. SDRAM D

Basics SDRAM DIMMs - 64profile DRAM DIMMs must be used to reach the maximum DRAM expansion of 384 MB. Using higher-profile DRAM DIMMs, the maximum DR

Basics SGRAM Video Memory - 65SGRAM Video MemoryThe Power Macintosh G3 logic board comes with 2 MB of Synchronous Graphic RAM (SGRAM) video memory so

Hot Issues ROM DIMM - 6 ROM DIMM The Power Macintosh G3 Desktop logic board uses a ROM DIMM as opposed to soldered ROM. You should not remove the RO

Basics DIMM Slots - 66DIMM SlotsROM Slot(Do not remove the ROM DIMM.)DRAM DIMM SlotsVideo Memory Slot

Basics Peripheral Component Interconnect (PCI) - 67Peripheral Component Interconnect (PCI)The Peripheral Component Interconnect (PCI) expansion slots

Basics Front View - 68Front ViewCD-ROMDriveInternalHardDriveSpeakerFloppy Disk DrivePower-On LightPower ButtonCD-ROM DriveOpen/Close ButtonExpansionB

Basics Rear View - 69Rear ViewMonitorPowerSocketSCSI PortADB PortMonitor PortInternalModemCard(Optional)PowerSocketSecurity Lock PortsExternalModem P

Basics Internal Locator - 70Internal LocatorCD-ROM DriveFloppy DriveHard DriveZip DriveLogic BoardSound CardPower Supply

Basics Logic Board - 71Logic BoardPCISlotsBatteryROMDIMMPERCHSlotInternal SCSIConnectorSpeakerCD AudioFloppy DriveConnectorPower SupplyConnectorVolta

Basics Repair Strategy - 72Repair StrategyService the Power Macintosh G3 Desktop computers through module exchange and parts replacement. Customers c

Basics Repair Strategy - 73Large businesses, universities, and K-12 accounts must provide a purchase order on all transactions, including orders plac

Basics Repair Strategy - 74Canadian OrderingCanadian Service providers not enrolled in ARIS may fax their orders to Service Provider Support in Canad

Basics Warranty/AppleCare/ARIS - 75Warranty/AppleCare/ARISUS Only The Power Macintosh G3 computers are covered under the Apple One-Year Limited Warra

Hot Issues SGRAM Video Memory - 7 SGRAM Video Memory Power Macintosh G3 computers use SGRAM video memory. Use only SGRAM SO-DIMMs in these machines.

http://www.apple.comA little backgroundTwo decades ago, Apple made its name by bringing advanced technology to mainstreamusers through extraordinarily

In addition, the logic board design of the Power Macintosh G3 systems exhibits the followingcharacteristics in these vital areas:Processor. These comp

http://www.apple.comThe PowerPC G3Processor: Takingthe Macintosh tothe Next LevelA little backgroundNearly six years ago, Apple, IBM, and Motorola joi

Level 2 backside cache. By far the biggest boost to performance that the PowerPC G3offers can be credited to its incorporation of an approach to level

Service Source K Specifications Power Macintosh G3 Desktop

Specifications Introduction - 1 Introduction Specifications information for this product can be found in the Spec Database, which you can access at

Service Source K Take Apart Power Macintosh G3 Desktop

Take Apart Top Housing - 1 Top Housing No preliminary steps are required before you begin this procedure. Note: The top housing covers the top, fro

Take Apart Top Housing - 2 1 Press the two tabs at the front corners of the top housing to release the top housing from the bottom chassis.LeftTabRi

Take Apart Top Housing - 3 2 Pull the top housing forward about 1 to 2 inches and lift straight up to remove the top housing from the computer.