Internal Design The motherboard PCA is the central component of the notebook’s design, and plays a role in virtually all system functions. The CPU module and most other subsystems connect to the motherboard. The following figure shows the electrical connections among the notebook’s replaceable electronic modules. In addition, the table on page 1-15 lists the roles that the replaceable modules play in each of the notebook’s functional subsystems.
Display assembly Speakers CPU module Keyboard cover switch PCA Fan Mini-PCI card Top case touch/scroll pads, click buttons, CD player, IR (optional) Motherboard PCA CD/DVD drive PCMCIA socket PCMCIA card SDRAM modules Volume control PCA Hard disk drive Bluetooth PCA USB PCA Battery Keyboard Figure 1-8. Replaceable Module Diagram 1-14 Product Information HP Pavilion zt1100/xz100 Omnibook xt1000