Internal Design
The motherboard PCA is the central component of the OmniBook design. It 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 replaceable electrical modules. As a substitute for a functional block diagram, see the table on page
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| LCD Module | |
Top Case | Touch | External | |
(microphone) | |||
Module Bay | |||
| Pad | ||
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| CPU | BIOS |
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Module |
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| IC |
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| RAM |
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| Board | Motherboard | Socket | |||||||||||
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| PCA | |
Fan |
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Hard Disk | Battery | |
Drive | ||
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| Keyboard | |
| (pointing stick) |
PCMCIA
Cards
Speaker
The power switch and lid switch are contained on the motherboard.
All external connections are made to the motherboard.
Figure 1-4. Replaceable Module Diagram
HP OmniBook 900 | Product Information |