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 connections among the notebook’s replaceable electronic modules. In addition, the table on page 1-18 lists the roles that the replaceable modules play in each of the notebook’s functional subsystems.
Display Assembly CPU Module Video PCA Switchboard PCA Top Case (speakers, touch pad, click buttons) Mini-PCI PCA Motherboard PCA Heatsink/fan assembly CD-ROM or DVD Module PCMCIA Sockets (2) PCMCIA Cards SDRAM Module Floppy Disk Drive Earphone PCA CD Player PCA Battery Keyboard Hard Disk Drive Figure 1-8. Replaceable Module Diagram 1-18 Product Information HP OmniBook XE3