Apple Power Macintosh G3 Minitower Specifications

Service Source K Power Macintosh/ServerG3 Minitower

Hot Issues Master/Slave Support - 8 Master/Slave Support Some Power Mac/Server G3 computers support adding two ATA/IDE devices to the same ATA/IDE c

Basics DIMM Slots - 84DIMM SlotsROM Slot(Do not removethe ROM DIMM.)DRAM DIMM SlotsVideo Memory Expansion Slot(Front of computer)

Basics Peripheral Component Interconnect (PCI) - 85Peripheral Component Interconnect (PCI)The Peripheral Component Interconnect (PCI) expansion slots

Basics Front View - 86Front ViewNote: The Power Mac G3 Minitower computer comes with a Zip drive (as shown); the Macintosh Server G3 does not.Floppy

Basics Rear View - 87Rear ViewInternal Hard DriveLockable Cover LatchSound Input PortSCSI PortApple Desktop Bus(ADB) PortSound Output PortInternal Mo

Basics Logic Board Diagram - 88Logic Board DiagramPCISlotsBatteryROMDIMMPERCHSlotInternal SCSIConnectorSpeakerCD AudioFloppy DriveConnectorPower Supp

Basics Fan Installation - 89Fan InstallationOne or two auxiliary fans may be installed in the baffle handle. Third-party PCI card manufacturers may s

Basics Fan Installation - 90AirFlowDirectionFan Screw PostsScrew InstallationDirectionFan Screw Posts

Basics Repair Strategy - 91Repair StrategyService the Power Mac/Server G3 computers through module exchange and parts replacement. Customers can requ

Basics Repair Strategy - 92Large businesses, universities, and K-12 accounts must provide a purchase order on all transactions, including orders plac

Basics Repair Strategy - 93Canadian OrderingCanadian Service providers not enrolled in ARIS may fax their orders to Service Provider Support in Canad

Hot Issues DVD-ROM Disk Damage - 9 the Take-Apart chapter.) DVD-ROM Disk Damage The Power Macintosh G3 Minitower and Macintosh Server G3 offer DVD-R

Basics Warranty/AppleCare/ARIS - 94Warranty/AppleCare/ARISUS Only The Power Macintosh G3 computers are covered under the Apple One-Year Limited Warra

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/Server G3Minitower

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/Server G3Minitower

Take Apart Side Access Panel - 1 Side Access Panel No preliminary steps are required before you begin this procedure.

Take Apart Side Access Panel - 2 1 Press the release button and pull the side access panel away from the computer.

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 - 3 Floppy Drive Note: This topic includes instructions for removing the floppy drive bezel, floppy drive shield, drive car

Take Apart Floppy Drive - 4 1 Gently pry up the tab on the left side of the floppy drive bezel, swing the bezel open, and remove the bezel from the

Take Apart Floppy Drive - 5 2 Using a Phillips screwdriver, remove the two floppy drive shield screws.3 Remove the floppy drive shield.

Take Apart Floppy Drive - 6 4 Disconnect the floppy drive cable from the back of the floppy drive.5 Slide the floppy drive carrier and drive out of

Take Apart Floppy Drive - 7 Replacement Note: When inserting the drive into the computer, make sure the drive carrier aligns with the carrier guide

Take Apart Floppy Drive - 8 Note: Perform the following procedure if you are replacing the floppy drive.6 Using a Phillips screwdriver, remove the

Take Apart CD-ROM or DVD-ROM Drive - 9 CD-ROM or DVD-ROM Drive Note: This topic includes instructions for removing the CD-ROM or DVD-ROM drive and

Take Apart CD-ROM or DVD-ROM Drive - 10 1 Gently pry up the tab on the left side of the drive bezel, swing the bezel open, and remove the bezel from

Take Apart CD-ROM or DVD-ROM Drive - 11 2 Using a Phillips screwdriver, remove the two shield screws.3 Remove the drive shield.

Take Apart CD-ROM or DVD-ROM Drive - 12 4 Disconnect the following cables from the back of the CD-ROM or DVD-ROM drive:• Power cable• IDE data cable

Hot Issues PM G3 Minitower "Sleep/Beep" Issue - 11 PM G3 Minitower "Sleep/Beep" Issue A problem has been reported with some of

Take Apart CD-ROM or DVD-ROM Drive - 13 Replacement Note: When inserting the drive into the computer, make sure the drive carrier aligns with the

Take Apart CD-ROM or DVD-ROM Drive - 14 Note: Perform the following procedure if you are replacing the CD-ROM or DVD-ROM drive.6 Using a Phillips

Take Apart CD-ROM or DVD-ROM Drive - 15 Master/Slave Cable Routing Some G3 Minitower logic boards support master and slave IDE configurations, allow

Take Apart CD-ROM or DVD-ROM Drive - 16 The graphic at left shows how the split master/slave IDE cable connects to the logic board. The same connect

Take Apart Zip Drive - 17 Zip Drive Note: This topic includes instructions for removing the Zip drive bezel, Zip drive shield, drive carrier, and Z

Take Apart Zip Drive - 18 1 Gently pry up the tab on the left side of the Zip drive bezel, swing the bezel open, and remove the bezel from the right

Take Apart Zip Drive - 19 2 Using a Phillips screwdriver, remove the two Zip drive shield screws.3 Remove the Zip drive shield.

Take Apart Zip Drive - 20 4 Disconnect the power cable and SCSI cable from the back of the Zip drive. Caution: The power cable connector is a keye

Take Apart Zip Drive - 21 5 Slide the Zip drive carrier and drive out of the front of the computer.

Take Apart Zip Drive - 22 Replacement Note: When inserting the drive into the computer, make sure the drive carrier aligns with the carrier guides

Hot Issues PM G3 Minitower "Sleep/Beep" Issue - 12 To resolve this issue, replace the AV I/O card (p/n 661-1456) only if the customer&apos

Take Apart Zip Drive - 23 Note: Perform the following procedure if you are replacing the Zip drive.6 Using a Phillips screwdriver, remove the four

Take Apart Zip Drive - 24 Master/Slave Cable Routing Some G3 Minitower logic boards support master and slave IDE configurations, allowing you to con

Take Apart Zip Drive - 25 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 Hard Drive - 26 Hard Drive Note: This topic includes instructions for removing the drive carrier and hard drive.Before you begin, remove

Take Apart Hard Drive - 27 1 Using a Phillips screwdriver, remove the two hard drive screws.2 Disconnect the power cable and IDE data cable from the

Take Apart Hard Drive - 28 Replacement Note: When inserting the drive into the computer, make sure the drive carrier aligns with the metal tabs in

Take Apart Hard Drive - 29 Note: Perform the following procedure if you are replacing the hard drive.4 Using a Phillips screwdriver, remove the fou

Take Apart Open the Chassis - 30 Open the Chassis Before you begin, carefully lay the computer on its side with the side access panel facing up.1 Un

Take Apart Open the Chassis - 31 2 Using the handle, gently swing the top chassis up and out until it rests firmly on the work surface.

Take Apart Power Supply - 32 Power Supply Before you begin, remove the following:• Side access panel• Hard drive

Hot Issues Power-On Issue - 13 Power-On Issue If you experience a power-on issue with the Power Macintosh G3 Minitower or Macintosh Server G3 where

Take Apart Power Supply - 33 1 Disconnect the power cables from the logic board.2 Release the power cables from the cable tie wrap.3 Using a Phillip

Take Apart Power Supply - 34 4 Using a Phillips screwdriver, remove the four power supply mounting screws.

Take Apart Power Supply - 35 5 Remove the interior power supply screws.6 Thread the power cables through the opening in the top chassis and lift the

Take Apart Power Supply - 36 7 Remove the two screws securing the power supply to the mounting bracket. Replacement Note: When replacing the power s

Take Apart Power Supply - 37 IMPORTANT: You must set the power supply voltage switch to the correct setting (115V in the U.S.) to avoid damaging th

Take Apart Fan - 38 Fan Before you begin, remove the following:• Side access panel• Hard drive• Power supply

Take Apart Fan - 39 1 Using a Phillips screwdriver, remove the interior power supply mounting screws and disconnect the power supply-to-fan connecto

Take Apart Fan - 40 Replacement Note: Before removing the fan, notice the direction in which the fan is installed. Replace the fan in the same dire

Take Apart Speaker Bezel - 41 Speaker Bezel Before you begin, do the following:• Remove the side access panel• Open the chassis

Take Apart Speaker Bezel - 42 1 Gently pry up the four tabs on the top side of the speaker bezel and swing it open.2 Release the eight tabs on the b

Service Source K Basics Power Mac/Server G3 Minitower

Take Apart Speaker - 43 Speaker Note: This topic includes instructions for removing the speaker housing, speaker, and fan cable.Before you begin,

Take Apart Speaker - 44 1 Carefully lay the computer on its side.2 Disconnect the speaker cable from the logic board.3 Press in the two latches on t

Take Apart PCI Cards - 45 PCI Cards Note: the FireWire and Ultra Wide SCSI PCI cards have unique installation procedures, which are explained in se

Take Apart PCI Cards - 46 1 Using a Phillips screwdriver, remove the screw securing the PCI card to the rear panel.

Take Apart PCI Cards - 47 2 Using both hands, gently pull straight out on the card to remove it. Replacement Note: Align the PCI card with the exp

Take Apart Ultra Wide SCSI PCI Card - 48 Ultra Wide SCSI PCI Card The ultra wide SCSI card installs like any other PCI card (see the PCI Cards take-

Take Apart Ultra Wide SCSI PCI Card - 49 1 Attach the end of the ultra wide SCSI cable that has just one connector to the ultra wide SCSI PCI card.

Take Apart Ultra Wide SCSI PCI Card - 50 2 Route the cable along the back edge of the chassis and away from the logic board being sure to leave plen

Take Apart Ultra Wide SCSI PCI Card - 51 3 Stuff the unused SCSI cable (if present) behind the power cable and through the first cut out in the dr

Take Apart Ultra Wide SCSI PCI Card - 52 5 Tape down the ultra wide SCSI cable two times to the internal chassis and fold the cable as shown before

Basics Overview - 1 Overview The Power Macintosh/Server G3 Minitower chassis design allows you to access the logic board and its components without

Take Apart Ultra Wide SCSI PCI Card - 53 6 Once you feed the ultra wide SCSI cable through the internal chassis, tape the cable to the plastic fan b

Take Apart Ultra Wide SCSI PCI Card - 547 Attach the very end of the ultra wide SCSI cable (i.e., the very last connector) to the ultra wide hard dri

Take Apart FireWire PCI Card - 55FireWire PCI CardBefore you begin, do the following:• Remove the side access panel• Open the chassisNote: The FireW

Take Apart FireWire PCI Card - 561 Disconnect the internal FireWire cable from the card.2 Using a Phillips screwdriver, remove the screw securing the

Take Apart FireWire PCI Card - 57Replacement Note : The following steps explain how to route and reconnect the FireWire cable.3 After connecting the

Take Apart FireWire PCI Card - 585 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 - 596 Connect the second to last connector on the FireWire cable to the back of the CD-ROM or DVD-ROM drive.

Take Apart FireWire PCI Card - 60Note: The graphic at left shows the internal FireWire cable and each of its connectors.

Take Apart Processor Module - 61Processor ModuleBefore you begin, do the following:• Remove the side access panel• Open the chassis

Take Apart Processor Module - 621 Remove the screw that holds the processor module wire to the logic board.Replacement Note: The processor module wi

Basics Features - 2 Features There are standard features available with every Power Macintosh G3 Minitower computer as well as build-to-order featur

Take Apart Processor Module - 63Warning: 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 - 643 Lift up the clip and remove it from heatsink.

Take Apart Processor Module - 654 Lift up the heatsink to remove it from the processor module.

Take Apart Processor Module - 665 Lift the metal lever at the left of the processor module.

Take Apart Processor Module - 676 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 - 687 Remove the warranty sticker and red jumper block located next to the battery if replacing the logic board only.IMPO

Take Apart Processor Module - 698 Install the jumper as shown. Depending on the computer’s processor speed, you will install a red jumper (233 MHz),

Take Apart Processor Module - 70the slot, seat it evenly, and press down gently on the module to install it. Never force the module or you may damage

Take Apart Logic Board - 71Logic BoardBefore you begin, do the following:• Remove side access panel• Remove PCI cards (if present)• Remove I/O card•

Take Apart Logic Board - 721 Disconnect all cables from the logic board.2 Using a Phillips screwdriver, remove the logic board mounting screws, one o

Basics Features - 3 • 4 GB or 6 GB ATA hard drive• CD-ROM ATAPI drive at 24X speed (unless customer orders DVD-ROM drive)• 1.4 MB SuperDrive• Three

Take Apart Logic Board - 733 Release the two plastic latches on the front of the logic board.Replacement Note: Make sure the latches re-engage the

Take Apart Logic Board - 74logic board at J28 (near the PCI slots). If the logic board is installed in the PM G3 Minitower, this jumper must cover th

Take Apart Logic Board - 75jumper with a new warranty sticker, which comes with the replacement logic board. This sticker must be in place to protect

Take Apart Logic Board - 76Replacement Note: As a final step, you must reconnect all cables to the logic board. Depending on which version of the G3

Take Apart I/O Card - 77I/O CardBefore you begin, do the following: • Remove the side access panel• Open the chassis

Take Apart I/O Card - 781 From the back side of the computer, remove the single screw that attaches the I/O card to the rear panel.2 Remove the two

Take Apart Voltage Regulator - 79Voltage RegulatorBefore you begin, do the following: • Remove the side access panel• Open the chassis

Take Apart Voltage Regulator - 801 Press down on the two white levers on either side of the voltage regulator to release it. Lift up on the voltage r

Take Apart Modem Card - 81Modem CardBefore you begin, do the following:• Remove the side access panel• Open the chassis• Remove the I/O Card

Take Apart Modem Card - 821 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 c

Service Source K Hot Issues Power Macintosh/Server G3Minitower

Basics Features - 4 Optional Build-to-Order Power Mac G3 Minitower Features: • 100 MB SCSI Iomega or ATAPI Zip drive in the expansion bay• Ultra Wid

Take Apart Chassis Locking Latches - 83Chassis Locking LatchesBefore you begin, remove the side access panel.

Take Apart Chassis Locking Latches - 841 Remove the screw and washer and remove the locking latch.

Take Apart Chassis Handle - 85Chassis HandleBefore you begin, remove the side access panel.

Take Apart Chassis Handle - 861 Lift the retainer latch while sliding the handle toward the back of the computer.

Take Apart Top Cover - 87Top CoverBefore you begin, remove the following:• Side access panel• Floppy drive• Hard drive

Take Apart Top Cover - 881 Release the three tabs holding the top cover by pushing the front tab toward the back of the unit and the back two tabs to

Take Apart I/O Panel - 89 I/O PanelBefore you begin, remove the following:• Side access panel• PCI cards (if present)• I/O card• Logic board

Take Apart I/O Panel - 901 Using a small flatblade screwdriver, lift up on the two EMI shield stop tabs at either end of the I/O panel shield to rele

Take Apart Rear Panel - 91Rear PanelBefore you begin, remove the following:• Side access panel• PCI cards (if present)• I/O card

Take Apart Rear Panel - 921 Using a small flatblade screwdriver, gently release the top five tabs and two bottom tabs on the rear panel.2 Lift the re

Basics Features - 5 • 512K backside L2 cache (233 and 266 MHz) or 1 MB backside L2 cache (300 and 333 MHz) on processor• Built-in 2D and 3D hardware

Take Apart Stationary Panel - 93Stationary PanelBefore you begin, remove the following:• Side access panel• PCI cards (if present)• I/O card• Logic b

Take Apart Stationary Panel - 941 Using a flatblade screwdriver, release the six latches holding the stationary panel to the chassis.

Take Apart Stationary Panel - 952 Lift the chassis slightly and slide the stationary panel forward.3 Push the light/power actuator in toward the case

Take Apart Logic Board Latch - 96Logic Board LatchBefore you begin, remove the following:• Side access panel• PCI cards (if present)• Logic board• I/

Take Apart Logic Board Latch - 971 Carefully lay the computer on its side so the bottom of the chassis is exposed.2 Using a flatblade screwdriver, re

Take Apart Logic Board Latch - 983 Slide the logic board latch forward and remove it from the computer.

Take Apart Light Pipe/Power Actuator - 99Light Pipe/Power ActuatorBefore you begin, remove the following:• Side access panel• PCI cards (if present)•

Take Apart Light Pipe/Power Actuator - 1001 Lift the end of the LED cable slightly and remove the light pipe lamp from the light pipe/power actuator.

Take Apart Light Pipe/Power Actuator - 1012 Press in the two latches on the sides of the actuator and slide it forward out of the chassis.

Take Apart Chassis - 102ChassisRemove the following:• Side access panel• PCI cards (if present)• I/O card• Logic board• I/O panel• Rear panel• Speake

Basics Features - 6 or three 15 W cards, or two 25 W cards (two slots filled in standard Server G3 configuration with 10/100 BaseT ethernet card and

Take Apart Chassis - 103• Bottom drives• Power supply• Locking chassis latches• Chassis handle

Service Source K Upgrades Power Macintosh/Server G3Minitower

Upgrades PCI or I/O Cards - 1 PCI or I/O Cards Before you begin, open the chassis.1 Remove the screw that holds the port access cover in place.2 Pul

Upgrades PCI or I/O Cards - 2 3 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 - 3 4 If you meet resistance, pull the card out and try again.5 To test the connection, pull the card up gently. The card

Upgrades DRAM - 4 DRAM Before you begin, open the chassis. Note: DIMM shape and components may vary.1 To remove existing DRAM DIMMs to make room f

Upgrades DRAM - 5 2 Align DIMM notches with DRAM slot ribs. Note: The DIMM is designed to fit in the slot only one way.3 With ejectors open, press

Upgrades VRAM - 6 VRAM Before you begin, open the chassis. Note: SGRAM DIMM shape and components may vary.1 To remove existing SGRAM DIMM, spread

Upgrades VRAM - 7 2 Align SGRAM DIMM notches with VRAM slot ribs. Note: SGRAM DIMM fits into slot only one way.3 Press the SGRAM DIMM into the slo

Upgrades Modem Card - 8 Modem Card Before you begin, do the following:• Remove the side access panel• Open the chassis• Remove the I/O Card

Basics Features - 7 Software included with Macintosh Server G3 Units: • Mac OS 8.1, specifically tuned for server use• AppleShare IP 5.0 server soft

Upgrades Modem Card - 9 1 Insert a small flatblade screwdriver in the modem slot cover on the I/O card.2 Gently twist the screwdriver to pop out th

Upgrades Modem Card - 10 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

Upgrades Modem Card - 11 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 - 12 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/Server G3Minitower

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 logic board comes with a removable processor module. Yo

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 l

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 chai

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

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

Troubleshooting New Components Theory of Operation/HFS+ Formatted Drives - Note: When diagnosing hard drive problems, it is important to verify wh

Troubleshooting New Components Theory of Operation/HFS+ Formatted Drives - Use the Get Info command in system 8.1 to determine how a hard drive has

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 3. Start up the computer by pressing the power button on the front of the comp

Troubleshooting Power Supply Verification/Verification Procedure - 14 If you do not get a reading of +3.3V, re-check the volt meter connections and

Troubleshooting Power Supply Verification/Verification Procedure - 15 connections and measure the voltage again. If voltage is still not present, re

Basics Data Buses - 9 connectors, and if an ATA hard drive is installed, it uses the second connector). In the standard G3 Minitower configuration,

Troubleshooting Symptom Charts/System - 16 Symptom Charts System Fan on power supply is running, but no startup chime, screen is black, drive not ac

Troubleshooting Symptom Charts/System - 17 6 Reseat ROM DIMM.7 Replace voltage regulator.8 Replace logic board.9 Replace processor module.Fan is run

Troubleshooting Symptom Charts/System - 18 Apart chapter for more information). 6 Reset Cuda chip. (Refer to “The Cuda Chip” in Basics chapter for i

Troubleshooting Symptom Charts/System - 19 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 - 20 5 Replace logic board. 6 Replace floppy drive cable.7 Replace floppy drive.8 Replace I/O card.System shut

Troubleshooting Symptom Charts/System - 21 System intermittently crashes or hangs1 Verify system software is version 8.0 or later with enabler 770 f

Troubleshooting Symptom Charts/System - 22 During startup, following message is displayed, "This startup disk will not work on this Macintosh m

Troubleshooting Symptom Charts/Error Chords - 23 Error Chords One-part error chord (sound of breaking glass) sounds during startup sequence1 Disconn

Troubleshooting Symptom Charts/Video - 24 Video Screen is black, but boot tone is present, drive operates, fan is running, and LED is lit1 Adjust br

Troubleshooting Symptom Charts/Video - 25 Screen is black, no boot tone and drive does not operate, but fan is running and LED is lit1 Reset Cuda ch

Basics Data Buses - 10 Table 1: Internal Buses on G3 Server and Minitower Interface Connector TypeNotes Max # of DrivesMax Data Transfer R

Troubleshooting Symptom Charts/Video - 26 5 Replace logic board. 6 Replace processor module.Horizontal flickering lines when viewing Apple Video Pla

Troubleshooting Symptom Charts/Floppy Drive - 27 Floppy Drive Internal floppy drive does not operate1 Replace floppy disk with known-good disk.2 Rep

Troubleshooting Symptom Charts/Floppy Drive - 28 4 Replace logic board. 5 Replace processor module.Drive attempts to eject disk, but doesn’t1 Reseat

Troubleshooting Symptom Charts/Hard Drive - 29 Hard Drive Single internal hard drive does not operate; drive doesn’t spin1 Replace hard drive power

Troubleshooting Symptom Charts/Hard Drive - 30 Works with internal or external SCSI devices but not with both1 Verify there are no duplicate SCSI de

Troubleshooting Symptom Charts/Peripherals - 31 Peripherals Cursor does not move 1 Check mouse connection.2 Inspect inside of mouse for buildup of d

Troubleshooting Symptom Charts/Peripherals - 32 Cursor moves, but clicking mouse button has no effect1 Boot from floppy or bootable CD.2 Replace mou

Troubleshooting Symptom Charts/Peripherals - 33 Known-good serial printer does not work1 Verify you have correct version of system software.2 Verify

Troubleshooting Symptom Charts/CD-ROM Drive - 34 CD-ROM Drive CD-ROM drive does not work1 Try using known-good compact disc.2 Replace CD-ROM drive m

Troubleshooting Symptom Charts/Miscellaneous - 35 Miscellaneous No sound from speaker1 Disconnect any microphones or external speakers.2 Verify that

Basics Data Buses - 11 Notes for Table 1: 1 The Ultra Wide SCSI PCI card is optional on G3 Minitower and standard on G3 Server. The Apple Ultra Wid

Service Source K Exploded View Power Macintosh/Server G3Minitower

Exploded View 2Top Cover922-2602Power Supply200 W661-1496Power SupplyBracket922-3288Fan922-3295Modem Apple/GV56.6K661-1510Side Access Panel922-3270

01183858123414Scale01183858123414Scale01183858123414Scale0118385812341401183858123414Logic Board w/washer (1)Logic Board to Ground wire no/washer (1)

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

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

Basics Data Buses - 12 Narrow SCSI-1 Bus All internal and external devices on the SCSI-1 chain must have unique ID numbers. SCSI ID numbers 0 throug

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

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

Basics Data Buses - 13 Ultra Wide SCSI-3 Bus Ultra Wide SCSI support is offered on the Power Macintosh G3 Minitower (optional feature) and G3 Server

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

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 - 14 SCSI Device Locations for SCSI-3 BusIf present, the Ultra Wide internal hard drive (SCSI ID 0)is connected to the

Basics Data Buses - 15 All devices on the same SCSI bus must have unique ID numbers, but devices on different SCSI buses may use the same SCSI ID nu

Basics Data Buses - 16 Table 2: Assigning Ultra Wide SCSI ID Numbers Ultra Wide SCSI ID #Device 0 Factory-installed hard drive (terminated) 1 Factor

Basics Data Buses - 17 EIDE Bus The internal EIDE bus supports the internal CD-ROM or DVD-ROM drive. You can connect another EIDE device, such as an

Basics Data Buses - 18 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

Basics Data Buses - 19 Support for Master and Slave Some Power Mac/Server G3 computers support adding two ATA/IDE devices to the same ATA/IDE channe

Basics Data Buses - 20 does support the master and slave configuration. Note: Although the ATI chip is an ideal way to identify the version of the

Basics Data Buses - 21 Note: Despite the hierarchical-sounding names of "master" and "slave", the master drive does not have an

Basics Data Buses - 22 media like CD-ROM's are jumpered in exactly the same way, and they have the advantage of having their jumpers much more

Basics Expansion Bays - 23 Expansion Bays It is important to remember that customers may upgrade their drives or have different types of drives ins

Hot Issues Shared Logic Board - 2 Shared Logic Board The Power Macintosh G3 Desktop, G3 Minitower, and Macintosh Server G3 computers use the same lo

Basics Expansion Bays - 24 Expansion Bays in Power Mac/Server G3Floppy driveCD-ROM driveThis expansion bay accepts a 5.25"(or smaller) EIDE or

Basics Ultra Wide SCSI Card - 25 Ultra Wide SCSI Card Ultra Wide SCSI support is offered on the Power Macintosh G3 Minitower (optional feature) and

Basics Ultra Wide SCSI Card - 26 Ultra Wide SCSI devices to the computer, you must install a second Ultra Wide SCSI card.To install a second Ultra W

Basics Ultra Wide SCSI Card - 27 • Advanced Data Streaming Technology (ADS)• RAID Ready• Embedded RISC I/P processor• Ultra SCSI connector: Fine pit

Basics Ultra Wide SCSI Card - 28 40 MB/sec. per channel; asynchronous data rate— 12 MB/sec.• SCSI interface: SCSI-1, SCSI-2, SCSI-3, Ultra SCS

Basics Ultra Wide SCSI Card - 29 approximately 18 feet (this is a combined figure of both internal and external cable lengths). You should keep cabl

Basics 10/100 BaseT Ethernet Card - 30 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 - 31 • Controllers: DECchip 21140, 32-bit internal processor per channel

Basics DVD-ROM Drive Technology - 32 DVD-ROM Drive Technology DVD stands for Digital Versatile Disc, an audio/video/data standard based on high-dens

Basics DVD-ROM Drive Technology - 33 disc with 17 Gigabytes of data stored on the disc.DVD discs can hold nearly 26 times the amount of data that ca

Hot Issues Power Supply Jumper - 3 Power Supply Jumper The Power Macintosh/Server G3 Minitower logic board has a power supply jumper installed at J2

Basics DVD-ROM Drive Technology - 34 Table 3: Storage CapacitiesDisc Type DiameterSides & LayersCapacityPlayback Time (video) CD-ROM 120mm SS 6

Basics DVD-ROM Drive Technology - 35 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 - 36 DVD Layers

Basics DVD-ROM Drive Technology - 37 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 - 38 Table 4: CD vs. DVD ComparisonCD DVD Disc Diameter 120mm 120mmDisc Thickness 1.2mm 1.2mmDisc Structure Single s

Basics DVD-ROM Drive Technology - 39 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 - 40 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 - 41 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 Disc F

Basics DVD-ROM Drive Technology - 42to play DVD Video discs, you will need to purchase a PCI decoder card.DVD Software Drivers Apple DVD-ROM

Basics DVD-ROM Drive Technology - 43File Management System Micro UDF & ISO9660Universal Disc Format (UDF) is a file system standard that supports

Hot Issues Warranty Sticker - 4 Troubleshooting chapter.) Warranty Sticker There is a warranty sticker that covers the processor module jumper. The

Basics DVD-ROM Drive Technology - 44supported either software or hardware updates to allow the drive to be upgraded so that it could write UDF. The f

Basics DVD-ROM Drive Technology - 45Stand-alone players use UDF while computer applications use the UDF bridge format, which consists of both ISO-966

Basics FireWire Technology - 46FireWire TechnologyThis section explains what FireWire technology is and gives specific information on Apple Computer’

Basics FireWire Technology - 47• A physically small thin serial cable - replaces today's bulky and expensive interfaces • Easy to use - no need

Basics FireWire Technology - 48FireWire technology speeds up the movement of multimedia data and large files and enables the connection of digital co

Basics FireWire Technology - 49Isochronous data transfer provides guaranteed data transport at a pre-determined rate. This is especially important fo

Basics FireWire Technology - 50buffers to capture digital video. FireWire will gradually improve upon existing interfaces such as SCSI. FireWire prov

Basics FireWire Technology - 51card is Apple Computer’s first implementation of FireWire technology. This card is designed to work with digital video

Basics FireWire Technology - 52200 Mbps and supports a single digital video camera. The external FireWire cable, which ships with the card, connects

Basics FireWire Technology - 53Connecting the FireWire DVC CardThe 6-pin connector on the external FireWire cable plugs into the card and the 4-pin c

Hot Issues Voltage Regulator - 5 Switch” in the Basics chapter for more information, including an international voltage chart.) Voltage Regulator T

Basics FireWire Technology - 54Installing the FireWire Card SoftwareTo install the Apple FireWire Card software:1 Insert the FireWire CD.2 Double-cli

Basics The DDS-3 Tape Drive - 55The DDS-3 Tape DriveThe Power Macintosh G3 Minitower and Macintosh Server G3 offer a DDS-3 tape drive as a build-to-o

Basics The DDS-3 Tape Drive - 56Storage (DDS) computer-grade tape, part number DGD 125P, with 12 GB capacity (125 meters/410 feet). Once you insert a

Basics The DDS-3 Tape Drive - 57cleaning process is completed, the drive automatically ejects the cassette.Customers are advised to keep a record of

Basics The DDS-3 Tape Drive - 58(See footnotes on following page.)Table 5: Status LightsLight Behavior Busy Tape StatusOff Not busy Not loadedSteady

Basics The DDS-3 Tape Drive - 591 Flash 1 - the light flashes .25 seconds on, .25 seconds off.2 Flash 2 - the light flashes 3.5 seconds on, .5 second

Basics The DDS-3 Tape Drive - 60Operating EnvironmentThe tape drive will not operate properly in high humidity. Be sure to adhere to the environmenta

Basics The Cuda Chip - 61The Cuda ChipThe Cuda is a microcontroller chip. Its function is to • Turn system power on and off• Manage system resets fro

Basics Resetting the Logic Board - 62Resetting the Logic BoardResetting the logic board can resolve many system problems (refer to “Symptom Charts” f

Basics Resetting the Logic Board - 636 Reassemble the computer and test the unit.Note: This procedure resets the computer’s PRAM. Be sure to check th

Hot Issues ROM DIMM - 6 ROM DIMM The Power Mac/Server G3 Minitower logic board uses a ROM DIMM as opposed to soldered ROM. You should not remove the

Basics Sound - 64SoundThe sound system for the Power Macintosh/Server G3 computers is implemented entirely on the I/O cards (there are two versions a

Basics Sound - 65The Power Macintosh G3 also records sound from several sources: • A microphone connected to the line-level sound input jack• The sou

Basics Sound - 66Sound OutputAll sound output features for the Power Macintosh/Server G3 computer are provided by an I/O card. The Audio I/O card pro

Basics Sound - 67Sound InputThe I/O cards provide a stereo sound input jack on the back of the enclosure for connecting an external Apple PlainTalk l

Basics Sound - 68• Sound playback—computer-generated sound is sent to the speaker and the sound output jacks.• Sound playback with playthrough—comput

Basics Video Input and Output - 69Video Input and OutputThe AV I/O card (not available for the Macintosh Server G3) supports video input and output o

Basics Video Input and Output - 70The card can accept video input from an external device, such as a VCR or camcorder.AV I/O Panel (Power Macintosh G

Basics Running a G3 Server without a Monitor - 71Running a G3 Server without a MonitorYou can use software such as the Apple Network Administrator To

Basics Running a G3 Server without a Monitor - 724 Attach a video terminator to the monitor port on the back panel of the server and then turn on the

Basics Running a G3 Server without a Monitor - 73Table 6: DIP Switch Function ChartSep. Sync1C. Sync 12C. Sync 23Sync On Grn4Resolution Monitor Switc

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

Basics Running a G3 Server without a Monitor - 741152 x 870 21” Color 123467 12345 123456 12341152 x 870 2-Page Mono 3467 345 3456 34

Basics Running a G3 Server without a Monitor - 75Notes for Table 3:1 Sep. Sync: denotes Separate Synchronization.2 C. Sync 1: denotes Composite Synch

Basics The DAV Connector - 76The DAV ConnectorThe AV I/O Personality card has a digital audio video (DAV) connector. The DAV connector allows a PCI e

Basics Voltage Switch - 77Voltage SwitchThe voltage switch must be set correctly to avoid damaging the computer. Insert a screw driver in the slot to

Basics Voltage Switch - 78Here is a table listing voltages for some countries:Country VoltageJapan 100South Korea 100 or 220Jamaica, Taiwan 110Peru 1

Basics Voltage Switch - 79India, South Africa 220–250Israel, Pakistan, Singapore 230Australia, Kuwait, Malta, New Zealand, Northern Ireland, Papua Ne

Basics PowerPC G3 and Backside Cache - 80PowerPC G3 and Backside CacheBackside cache is a significant architectural design change from earlier PowerP

Basics SDRAM DIMMs - 81PowerPC G3, and a 2.5 L2 bus ratio, the backside cache bus speed will be 100MHz, twice the speed of the system bus. SDRAM DIMM

Basics SGRAM Video Memory - 82of the same size are installed. Any supported size DIMM can be installed in any DIMM slot, and the combined memory of a

Basics SGRAM Video Memory - 83supports a 4 MB SGRAM SO-DIMM that is 32-bit wide, 144-pin, fast-paged, 83 MHz/12 ns cycle time or faster.Important: Us