Specifications
CHAPTER 2
Hardware Modiļ¬cations
18 Clamshell Housing
Figure 2-5 The PowerBook Duo 270c computer housing in open position
Power key
Brightness
Microphone
Apple logo and
product name
16-level grayscale
supertwist display
Open/close latchCurved housing
Speaker
Display
clutch
assembly
Cap lock
LED
NiHy battery 160 or 240 MB
hard disk
2mm travel keyboard
Trackball
Clamshell switch
Sleep LED