Specifications

CHAPTER 1
Introduction
6 External Features
Back View 1
The back panel includes the power socket, the monitor power socket, the standby power
button, the I/O ports, and the openings for I/O access to the expansion modules: the I/
O expansion card, the communications card, and the video input card.
Figure 1-2 shows the back view of a Performa 6400 computer.
Figure 1-2 Back view of the computer
Access to the Logic Board 1
The logic board can be removed from the case so that the user can add expansion RAM,
L2 cache, or I/O expansion cards. The rear fence of the logic board is connected to the
back panel. The back panel is secured to the computer chassis by two screws at the side
of the plastic tabs on the back panel. After removing the two screws, you can gently pull
on the two tabs to remove the logic board from the internal logic board connector and
chassis.
Monitor power socket
Standby power button
SCSI port
External modem port
Printer port
Sound output port
Apple Desktop Bus
(ADB) port
Sound input port
Power socket
Security lock port
TV/FM tuner card (optional)
Monitor port
Subwoofer volume control
PCI card access covers (2)
Internal modem card (optional)
Video input card (optional)