IO Interfaces

Serial Two RS-232 422 serial ports mini DIN-8 connectors SCSI One external SCSI port DB-25 connector Supports up to six external SCSI devices Apple Desktop Bus One Apple Desktop Bus (ADB) port mini DIN-4 connector Video One DB-15 monitor port on built-in video daughterboard Mono sound input port supports external microphone or line-level inputs. Bias current for electret microphone Stereo sound output jacks at front and rear of the computer Processor-Direct Slot One 114-pin internal expansion...

Prepare the Upgrade and Logic Boards for Installation

Note The following steps explain how to prepare the logic board to accept the upgrade board. Caution The EMI clips on the bottom of the logic board are fragile. Do not apply heavy pressure directly to these clips or you may bend the logic board. Place a piece of antistatic foam directly under the processor socket on the bottom side of the logic board. Note This step helps prevent the logic board from bending when you apply pressure in the next few steps. 2 Lift and rotate the battery one...

Replacement Note

Performa Replace Hard Drive

When you replace the floppy drive, make sure that the tab of the floppy carrier is seated properly in the floppy drive guide. 3 Disconnect the floppy drive from the floppy drive cable. are replacing a defective floppy drive, invert the drive and carrier and remove the four carrier mounting screws. Separate the drive from the carrier. Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. 1 Note To perform this step, you may want to insert a screwdriver in...

Replacement Note In

Rerouting the cables, do not crimp cables between the harness and the floor or sides of the bottom case. Route the speaker cable between the logic board connector and the CD-ROM shelf. Route the fan, power supply, and header cables to the side of the front panel control bay. Replacement Note Arrange the cables as shown before replacing the shield wiring harness. When dressing the cables, do not crimp them between the harness and the floor of the bottom case, or between the harness and the sides...

Hard Drive

Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. Note Performa 630 computers do not support internal SCSI hard drives. Refer to Basics for more information on the IDE hard drive interface. 1 Using the pull tabs, disconnect the IDE data cable from the hard drive connector. Using a flat-blade screwdriver, push up the release latch and pull the IDE hard drive from the chassis.