Symptom Charts

System does not 1 Reset logic board. (Refer to Additional Procedures.) power up 2 Reseat ROM SIMM and cache SIMM. 1 Verify that system software is version 7.5 or later. 2 Verify SIMMs are noncomposite and installed in like pairs (same size speed). 3 Verify that software is known-good. 4 Verify that software is PowerPC compatible (contact developer). 5 Clear parameter RAM. Hold down < Command> < Option> < P> < R> during startup but before Welcome to Macintosh appears. 7 Replace...

Floppy Drive

Before you begin, remove the top cover. Caution Review the ESD precautions in Bulletins Safety. 1 Remove the EMI shield from the front of the floppy drive. Press the tabs outward and slide the floppy drive forward a few inches. 3 Disconnect the floppy drive cable. Note You can easily reach the floppy drive cable connector when the floppy drive is forward.

Power Supply

Macintosh Performa Monitor Pinout

Before you begin, remove the top cover. Caution Review the ESD precautions in Bulletins Safety. 1 Remove the screw that secures the power supply. 2 For easier access to the power supply, release the tabs of the floppy drive and slide the floppy drive forward a few inches. Note If a CD-ROM drive is present, remove the SCSI data cable and move the CD-ROM drive forward. Refer to the CD-ROM drive topic. Disconnect these power supply cables CD-ROM drive power cable if installed 4 Slide the power...

Power Macintosh System Overview

PowerPC microprocessors are a family of processors built on reduced instruction-set computing RISC technology. RISC processors streamline the internal workings of computers. Whereas traditional complex instruction-set computing, or CISC processors contain a wide variety of instructions to handle many different tasks, RISC processors contain only those instructions that are used most often. When a complex instruction is needed, a RISC processor builds it from a combination of basic instructions....

Bottom Housing Assembly

Before you begin, remove the following CD-ROM drive if installed Caution Review the ESD precautions in Bulletins Safety. Note Once you have removed all the parts listed above, the bottom housing assembly is what remains. It includes the floppy drive cable, LED cable, speaker, and internal chassis.

Product Configurations

All configurations are at introduction of the product. Drives Internal Apple 1.4 MBSuperDrive, internal 250 MB SCSI hard drive, internal AppleCD 300i Plus drive Modem Teleport send-fax data modem Monitor Apple Multiple Scan 15 Display Storage Internal Apple 1.4 MB SuperDrive, internal 250 MB SCSI hard drive, internal AppleCD 300i Plus drive Modem Teleport send-fax data modem Monitor Apple Multiple Scan 15 Display Drives Internal Apple 1.4 MBSuperDrive, internal 350 MB SCSI hard drive, internal...

Hard Drive

Powermac 6100 Remove Hard Drive

Before you begin, remove the top cover. Caution Review the ESD precautions in Bulletins Safety. Disconnect the SCSI data and hard drive power cables from the hard drive. 3 Press down on the tab and slide out the hard drive. Before you begin, remove the top cover. Caution Review the ESD precautions in Bulletins Safety. 1 Disconnect the SCSI data cable and CD-ROM drive power cable from the CD-ROM drive. 2 Disconnect the CD-ROM audio cable. 3 Remove the CD-ROM drive EMI shield. 4 Press up on the...