HP — HP OmniBook Service Manual

Figures Figure 1-1. OmniBook - Front View....................................................................................................1-3 Figure 1-2. OmniBook - Side View .....................................................................................................1-3 Figure 1-3. OmniBook - Rear View.....................................................................................................1-4 Figure 1-4. Replaceable Module Diagram .........................................................................................1-14 Figure 2-1. Removing the Battery or Plug-In Module..........................................................................2-3 Figure 2-2.

Removing a RAM Board...................................................................................................2-4 Figure 2-3. Removing the Hard Disk Drive .........................................................................................2-5 Figure 2-4. Installing a Hard Drive in the Cover..................................................................................2-6 Figure 2-5. Removing the Keyboard ....................................................................................................2-9 Figure 2-6. Removing the Display .....................................................................................................2-11 Figure 2-7.

Removing the LCD Module ............................................................................................2-15 Figure 2-8. Removing the Top Case...................................................................................................2-17 Figure 2-9. Removing the CPU (OmniBook 4150†)..........................................................................2-21 Figure 2-10. Inserting the CPU (OmniBook 4100/4150†).................................................................2-22 Figure 2-11. Positioning Thermal Pads..............................................................................................2-23 Figure 2-12.

Removing the Motherboard...........................................................................................2-26 Figure 2-13. Installing Docking Doors and Module Latch.................................................................2-28 Figure 2-14. Example of Serial Number Label ..................................................................................2-28 Figure 2-15. Removing the BIOS IC..................................................................................................2-29 Figure 2-16. Boot-Block Jumper........................................................................................................2-31 Figure 3-1.

Basic Troubleshooting Steps .............................................................................................3-2 Figure 3-2. OmniBook Diagnostic Screens — Basic and Advanced.................................................3-13 Figure 3-3. Serial and Parallel Loopback Connectors........................................................................3-15 Figure 4-1. Exploded View ..................................................................................................................4-2 Figure 4-2. Display Components..........................................................................................................4-7 Figure 4-3.

Motherboard Components .................................................................................................4-8 Tables Table 1-1. Product Comparisons..........................................................................................................1-1 Table 1-2. OmniBook 4100/4150 Series Models.................................................................................1-2 Table 1-3. Activating Power Modes.....................................................................................................1-4 Table 1-4. Main Status Lights (LED Strip Cable)................................................................................1-5 Table 1-5.

Keyboard Status Lights (VGA PCA or Motherboard)........................................................1-5 Table 1-6. Fn Hot Keys ........................................................................................................................1-6 Table 1-7. System Interrupts ................................................................................................................1-7 Table 1-8. System Memory ..................................................................................................................1-7 Table 1-9. System Input/Output Addresses (100-3FF).........................................................................1-8 Table 1-10.

DMA Channels .................................................................................................................1-8 Table 1-11. OmniBook 4100/4150 Series Specifications ....................................................................1-9 Table 1-12. OmniBook 4100/4150 Series Accessories......................................................................1-12 Table 1-13. Functional Structure........................................................................................................1-15 Table 2-1. Removal Cross-Reference...................................................................................................2-1 Table 2-2.

Required Equipment ...........................................................................................................2-2 Table 2-3. Recommended Screw Torques............................................................................................2-2 Table 2-4. RAM Board Replacement Part Numbers............................................................................2-4 Table 2-5. Hard Disk Drive Replacement Part Numbers.....................................................................2-5 Table 2-6. Replacing Small Parts (User-Replaceable).........................................................................2-8 Table 2-7.

Display Component Compatibility....................................................................................2-13 Table 2-8. CPU Component Compatibility........................................................................................2-19 iv HP OmniBook 4100/4150