Apple Power Macintosh (7100 Series) Specifications

Service Source K Power Macintosh 7100 Series Power Macintosh 7100/66, 7100/66AV,7100/80, 7100/80AV

Basics HDI-45 Pinouts - 8 Table: HDI-45 PinoutsPin Description 1 Analog audio ground2 Audio input shield3 Left channel au

Upgrades Power Macintosh Upgrade - 11 1 Disconnect the following cables from the old logic board and reconnect them to the new board:• CD-ROM audio

Upgrades Power Macintosh Upgrade - 12 2 If the customer’s old logic board had DRAM SIMMs installed, remove them and install them on the upgraded log

Upgrades Power Macintosh Upgrade - 13 3 Guide the mounting tabs on the hard drive carrier into the slots in the upgraded drive chassis.4 Slide the h

Upgrades Power Macintosh Upgrade - 14 5 Insert the mounting screw that secures the hard drive carrier to the drive chassis.

Upgrades Power Macintosh Upgrade - 15 6 Install the EMI shield on the front of the CD-ROM drive (if present).7 Slide the CD-ROM drive into the upgra

Upgrades Power Macintosh Upgrade - 16 8 If there is a CD-ROM drive present, connect these cables: • SCSI power cable• SCSI data cable• CD-ROM audio

Upgrades Power Macintosh Upgrade - 17 9 Connect these cables:• Floppy drive cable• SCSI power cable• SCSI data cableFloppy Drive CableSCSI Data Cabl

Upgrades Power Macintosh Upgrade - 18 10 Reinstall the power supply in the drive chassis. Press down on the power supply until it snaps into place.

Upgrades Power Macintosh Upgrade - 19 12 If there was a power supply strap installed on the old unit, squeeze on the two ends of the strap and push

Upgrades Power Macintosh Upgrade - 20 Note: The height of the power supply will determine whether you install the power supply strap in the top or

Basics HDI-45 Pinouts - 9 10 Green ground (shield)11 Green video output (75Ω)12 Video input power ground13 Power for camera +5 V14 Reserved15 Reserv

Upgrades Power Macintosh Upgrade - 21 14 Caution : When install-ing a video card, push down evenly on both ends of the card. Do not force the card i

Upgrades Power Macintosh Upgrade - 22 Note: The Power Macintosh 7100/66 and 7100/66AV must have a video card installed for proper bus terminatio

Upgrades Power Macintosh Upgrade - 23 15 Remove the reset/interrupt actuator from the old chassis and install it in the upgraded chassis.Reset/Inter

Upgrades Power Macintosh Upgrade - 24 16 Connect the speaker cable to the upgraded logic board.Speaker Cable Connection

Upgrades Power Macintosh Upgrade - 25 17 Copy the computer’s serial number from the old top housing to the new top housing. Note: A blank serial

Upgrades Power Macintosh Upgrade - 26 Replacement Note: Do not jar the reset/interrupt actuator and light pipe out of alignment when you replace t

Upgrades Power Macintosh Upgrade - 27 19 Caution: Excessive force on the captive screw will damage the top housing. Tighten the captive screw on t

Upgrades Power Macintosh Upgrade - 28 20 Run MacTest Pro in looping mode or other software in demo mode for 1 hour as a burn-in test.21 Note: Cont

Service Source K Additional Procedures Power Macintosh 7100 Series

Additional Procedures Battery Verification - 1 Battery Verification Before you begin, remove the following:• Top housing• Power supply• Drive chassi

Basics HDI-45 Pinouts - 10 21 S-video input chroma (C)22 Reserved23 Reserved24 Reserved25 Reserved26 Red ground (shield)27 Red video output (75Ω)28

Additional Procedures Battery Verification - 2 1 Set the voltmeter to the 10 volts DC scale.2 Hold the positive probe of the voltmeter to the positi

Additional Procedures Battery Replacement - 3 Battery Replacement Before you begin, remove the following:• Top housing• Power supply• Drive chassis

Additional Procedures Battery Replacement - 4 1 Using a small flat-blade screwdriver, pry open the latch at the end of the battery holder and lift o

Additional Procedures Battery Replacement - 5 2 Grasp the battery and remove it from the holder.3 Return the battery to Apple for proper disposal. F

Additional Procedures Reset Logic Board - 6 Reset Logic Board Before you begin, remove the following:• Top housing• Power supply• Drive chassis• Pow

Additional Procedures Reset Logic Board - 7 discarded improperly, the lithium battery in the computer could explode. Review battery handling and dis

Additional Procedures Reset Logic Board - 8 1 Unplug the computer first.2 Using a small flat-blade screwdriver, pry open the latch at the end of the

Additional Procedures Reset Logic Board - 9 3 Grasp the battery and remove it from the holder.

Additional Procedures Reset Logic Board - 10 4 Press the computer’s power-on button, which is located on the rear panel beneath the power outlet. Wa

Additional Procedures Reset/Interrupt - 11 Reset/Interrupt Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulleti

Basics HDI-45 Pinouts - 11 32 Monitor ID33 Vertical sync signal34 Composite sync signal35 ADB power +5 V36 ADB ground37 ADB data38 Keyboard switch39

Additional Procedures Reset/Interrupt - 12 1 With one finger, lift the center tab of the actuator.2 Gently lift the rear of the actuator up and away

Service Source K Exploded View Power Macintosh 7100 Series

Exploded View 1Bottom Housing922-0898CD-ROM Audio Cable922-0724Light Pipe815-6272NuBus Access Cover810-6035Power Cable *922-0051922-1379Floppy Driv

Basics HDI-45 Pinouts - 12 43 Video sync ground44 Blue ground (shield)45 Blue video output (75Ω) Pin Description

Basics Rear Panel Connectors - 13 Rear Panel Connectors The figure on the following page shows the rear panel of a Power Macintosh 7100 computer wit

Basics Rear Panel Connectors - 14DB-15Power OnSCSIEthernetHDI-45 VideoPrinterModemADBSound OutSound In Power Macintosh 7100 Rear Panel

Basics Logic Board Connectors - 15 Logic Board Connectors The figure on the following page shows a Power Macintosh 7100 Series logic board.

Basics Logic Board Connectors - 16DRAM SIMMsPowerOn/OffSwitchSCSIEthernetAV Display ConnectorSerial PortsADBSound InSound Out601PDS4 MBROML2 Cache

Service Source K Specifications Power Macintosh 7100 Series

Service Source K Basics Power Macintosh 7100 Series

Specifications Processor - 1 Processor CPU Built-in MMU and FPU32K of on-chip cache memory 7100/66: 66 MHz PowerPC 601 RISC microprocessor Requires

Specifications Memory - 2 Memory RAM 8 MB RAM soldered on logic board, expandable to 136 MB via 4 SIMM sockets on logic board (using pairs of same s

Specifications Memory - 3 VRAM 7100/66 & 7100/80: 1 MB, expandable to 2 MB using four 256K VRAM SIMMs 7100/66AV & 2 MB 7100/80AV: Cache 710

Specifications Disk Storage - 4 Disk Storage Hard Drive 7100/66: 250 MB or 500 MB hard drive 7100/80: 500 MB or 700 MB hard drive CD-ROM 7100/66:

Specifications Disk Storage - 5 Floppy Drive 1.4 MB Apple SuperDrive Manual Insert

Specifications I/O Interfaces - 6 I/O Interfaces SCSI One SCSI port; DB-25 connector Supports a maximum of six external devices (five when internal

Specifications I/O Interfaces - 7 Expansion Slot One processor-direct slot (PDS); 182-pin connector NuBus Three NuBus slots support standard size ca

Specifications I/O Interfaces - 8 Video One HDI-45 DRAM-based video port on logic board supports direct connection to Apple AudioVision monitors and

Specifications I/O Devices - 9 I/O Devices Keyboard Standard, extended, or adjustable keyboardKeyboard draws 25–80 mA, depending on model of keyboa

Specifications Video Display - 10 Video Display Video Support System must have the Power Macintosh 2 MB Video Card or Power Macintosh AV Card instal

Basics Power Macintosh System Overview - 1 Power Macintosh System Overview PowerPC microprocessors are a family of processors built on reduced instr

Specifications Video Display - 11 Video Support (continued) All Power Macintosh 7100 series computers also support the following monitors via the D

Specifications Electrical - 12 Electrical A/C Line Input Voltage 100–240 VAC; RMS single phase, automatically configured Input Line Frequency 50–60

Specifications Physical - 13 Physical Dimensions Height: 6.0 in. (152 mm)Width: 13.0 in. (330 mm)Depth: 16.5 in. (419 mm) Weight 24 lb. (11.3 kg) (W

Specifications Environmental - 14 Environmental Operating Temperature 10–40° C (50–104° F) Storage Temperature –40 to 47° C (–40 F to 116.6° F) Rel

Service Source K Troubleshooting Power Macintosh 7100 Series

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

Troubleshooting Symptom Charts/Power Supply - 2 Symptom Charts Power Supply System does not power up1 Reset logic board. (Refer to Additional Proced

Troubleshooting Symptom Charts/Error Chords - 3 Error Chords One-part error chord sounds during startup sequence

Troubleshooting Symptom Charts/System - 4 System Does not power on; screen is black, fan is not running and LED is not lit

Troubleshooting Symptom Charts/System (Continued) - 5 System (Continued) System shuts down intermittently 1 Check that air vents are clear. Therm

Basics Power Macintosh System Overview - 2 Previously, RISC technology had been used only in high-end workstations and commercial database servers.

Troubleshooting Symptom Charts/System (Continued) - 6 System (Continued) System intermittently crashes or locks up1 Verify that system software i

Troubleshooting Symptom Charts/Video - 7 Video Screen is dark, audio and at least one drive operate, fan is running, and LED is lit1 Adjust brightne

Troubleshooting Symptom Charts/Video (Continued) - 8 Video (Continued) Screen is dark, audio and drive do not operate, fan is running, and LED is

Troubleshooting Symptom Charts/Video (Continued) - 9 Video (Continued) Screen is completely dark, fan is not running, and LED is not lit1 Verify

Troubleshooting Symptom Charts/Floppy Drive - 10 Floppy Drive Audio and video are present, but internal floppy drive does not operate1 Replace inter

Troubleshooting Symptom Charts/Floppy Drive (Continued) - 11 Floppy Drive (Continued) Floppy drive attempts to eject disk but doesn’t 1 Push flop

Troubleshooting Symptom Charts/Hard Drive - 12 Hard Drive Internal hard drive runs continuously1 Update driver software of hard drive using HD-SC Se

Troubleshooting Symptom Charts/CD-ROM Drive - 13 CD-ROM Drive CD-ROM drive does not accept a compact disc1 Exchange disk (if disk is dirty or damage

Troubleshooting Symptom Charts/Peripheral - 14 Peripheral Works with internal or external SCSI device, but does not work with both1 Replace external

Troubleshooting Symptom Charts/Peripheral (Continued) - 15 Peripheral (Continued) Cursor does not move 1 Reboot computer.2 Verify that mouse is c

Basics Power Macintosh System Overview - 3 Compatibility is not limited just to applications. INITs, CDEVs, drivers, and other Macintosh utility sof

Troubleshooting Symptom Charts/Peripheral (Continued) - 16 Peripheral (Continued) Double-click does not open application, disk, or server1 Remove

Troubleshooting Symptom Charts/Miscellaneous - 17 Miscellaneous About This Macintosh reports more system memory than is installed1 Verify that RAM S

Service Source K Take Apart Power Macintosh 7100 Series

Take Apart Top Cover - 1 Top Cover No preliminary steps are required before you begin this procedure.1 Gently loosen the captive screw. Note : Do no

Take Apart Top Cover - 2 Replacement Note: The top housing must have EMI gaskets inside the bottom edge of each side of the housing. Replacement No

Take Apart Power Supply - 3 Power Supply Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety.Power Su

Take Apart Power Supply - 4 1 If a CD-ROM drive is installed, squeeze its side tabs and pull the drive out an inch or two to more easily reach the p

Take Apart Power Supply - 5 2 If there is a power supply strap installed on the unit, squeeze on the two ends of the strap and push it through the m

Take Apart Power Supply - 6 3 Remove the power supply screw from the rear panel. 4 Pry the latch away from the base of the power supply.5 Grasp the

Take Apart Drive Chassis - 7 Drive Chassis Before you begin, remove the following:• Top housing• Power supplyDrive Chassis

Basics Power Macintosh System Overview - 4 of the fastest 68040- and 80486-based personal computers, the real promise of PowerPC technology is that

Take Apart Drive Chassis - 8 1 Disconnect these cables:• Floppy drive cable• SCSI power cable• SCSI data cableFloppy Drive CableSCSI Data CableSC

Take Apart Drive Chassis - 9 2 If a CD-ROM drive is installed, disconnect these cables: • SCSI power cable• SCSI data cable• CD-ROM audio cable SCSI

Take Apart Drive Chassis - 10 3 Remove the two drive chassis screws. Drive Chassis

Take Apart Drive Chassis - 11 4 Lift the front of the drive chassis until the chassis is perpendi-cular to the bottom case. Note : The chassis swive

Take Apart Drive Chassis - 12 5 Guide the chassis tabs out of the slots in the bottom housing and remove the chassis. Chassis Tab Chassis(Installe

Take Apart Drive Chassis - 13 Replacement Note: Carefully seat the bottom corners of the drive chassis into the guides in the bottom housing.Guides

Take Apart Floppy Drive - 14 Floppy Drive Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety. Cautio

Take Apart Floppy Drive - 15 1 Disconnect the floppy drive cable from the floppy drive.2 Remove the floppy drive mounting screw.3 Pry up the mountin

Take Apart Hard Drive - 16 Hard Drive Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety.Hard Drive

Take Apart Hard Drive - 17 1 Disconnect the SCSI data cable and the SCSI power cable from the hard drive. 2 Remove the hard drive mounting screw fro

Basics Power Macintosh System Overview - 5 provided in the Symptom Charts section of the Troubleshooting chapter under the “System” topic heading.3

Take Apart Hard Drive - 18 Replacement Note: For information on removing the hard drive from the carrier and returning drives, cables, and carriers

Take Apart CD-ROM Drive - 19 CD-ROM Drive Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety. Note :

Take Apart CD-ROM Drive - 20 1 Squeeze the side tabs and pull the drive out a few inches to more easily perform the next step. CD-ROM Drive

Take Apart CD-ROM Drive - 21 2 Disconnect these cables from the CD-ROM drive:• Audio cable• SCSI power cable • SCSI data cable CD-ROM Drive CD

Take Apart CD-ROM Drive - 22 3 Slide out the CD-ROM drive.4 Remove the drive rails and EMI shield from the CD-ROM drive.CD-ROMDrive RailCD-ROM Drive

Take Apart CD-ROM Drive - 23 Replacement Note: The connectors on the SCSI data cable are keyed. You may need to twist the cable to insert the conne

Take Apart Video Card - 24 Video Card Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety.Video Card

Take Apart Video Card - 25 1 Caution : Pull up evenly on both sides of the video card to avoid bending the connector pins, and remove the card from

Take Apart Fan - 26 Fan Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety. Note : The fan is presen

Take Apart Fan - 27 1 Turn the computer chassis on its side so that the hard drive is facing up.2 Disconnect the SCSI power cable from the fan cable

Basics Power Macintosh System Overview - 6 5 The Power Macintosh AV systems use the same logic board as the non-AV versions. The only difference is

Take Apart Fan - 28 3 Caution : When remov-ing the fan, be careful that you don’t knock the heat sink or damage the DRAM chips on the logic board.Gr

Take Apart Fan - 29 Replacement Caution : When replacing the fan, be careful that you don’t knock the heat sink or damage the DRAM chips on the logi

Take Apart Fan - 30 Important: Before you replace the top housing, verify that the replacement fan is working.

Take Apart Speaker - 31 Speaker Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety.Speaker

Take Apart Speaker - 32 1 Disconnect the speaker cable from the logic board.2 Remove the speaker mounting screws and pull out the speaker. Note : Th

Take Apart Logic Board - 33 Logic Board Before you begin, remove the following:• Top housing• Power supply• Drive chassis• Video card• Reset/Interru

Take Apart Logic Board - 34 1 Remove the customer’s RAM SIMMs and 256K cache SIMM before returning the logic board to Apple. Note : Grasp the cache

Take Apart Logic Board - 35 2 Remove the screw in the center of the logic board.3 Slide the logic board toward the front about 1/2 inch and lift the

Take Apart Logic Board - 36 Replacement Note : Remove the customer’s SIMMs from the defective logic board and install them on the replacement logic

Service Source K Upgrades Power Macintosh 7100 Series

Basics HDI-45 Pinouts - 7 HDI-45 Pinouts This section includes an illustration of the HDI-45 connector and a table containing the pinout description

Upgrades Expansion Cards - 1 Expansion Cards Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety. Not

Upgrades Expansion Cards - 2 on both sides of the expansion card to avoid bending the connector pins and remove the card from the expansion slot. Re

Upgrades CD-ROM Upgrade - 3 CD-ROM Upgrade Before you begin, remove the top housing. Caution : Review the ESD precautions in Bulletins/Safety.CD-ROM

Upgrades CD-ROM Upgrade - 4 1 From the inside of the top housing, squeeze in the tabs of the blank bezel and push out the bezelBlank BezelTab

Upgrades CD-ROM Upgrade - 5 2 Push in the slotted bezel. Slotted Bezel

Upgrades CD-ROM Upgrade - 6 3 Install the EMI shield on the front on the CD-ROM drive.4 Attach the CD-ROM drive rails to the CD-ROM drive.5 Slide th

Upgrades CD-ROM Upgrade - 7 6 Connect these cables to the CD-ROM drive:• CD-ROM audio cable• SCSI data cable• SCSI power cable7 Connect the CD-ROM a

Upgrades CD-ROM Upgrade - 8 8 Push the CD-ROM drive completely into the CD-ROM slot until you hear a click.CD-ROM Drive

Upgrades Power Macintosh Upgrade - 9 Power Macintosh Upgrade Before you begin, remove the following:• Top housing• Power supply• CD-ROM drive (if pr

Upgrades Power Macintosh Upgrade - 10 Note: The Power Macintosh 7100/66 Upgrade Kit for the Centris 650 or Macintosh Quadra 650 includes a Power M