Figures Figure 1-1. OmniBook - Front View....................................................................................................1-3 Figure 1-2. OmniBook - Side View .....................................................................................................1-3 Figure 1-3. OmniBook - Rear View.....................................................................................................1-3 Figure 1-4. Replaceable Module Diagram .........................................................................................1-13 Figure 2-1.
Removing the Battery........................................................................................................2-3 Figure 2-2. Installing a Battery Panel...................................................................................................2-4 Figure 2-3. Removing a RAM Board...................................................................................................2-6 Figure 2-4. Removing the Hard Disk Drive .........................................................................................2-7 Figure 2-5. Installing a Hard Drive in the Cover..................................................................................2-7 Figure 2-6.
Removing the LCD Module ............................................................................................2-11 Figure 2-7. Removing the Keyboard ..................................................................................................2-13 Figure 2-8. Removing the CPU Module.............................................................................................2-15 Figure 2-9. Removing the Display Assembly.....................................................................................2-17 Figure 2-10. Removing the Top Case.................................................................................................2-19 Figure 2-11.
Removing the Motherboard...........................................................................................2-21 Figure 2-12. Installing PCMCIA Doors.............................................................................................2-23 Figure 2-13. Example of Serial Number Label ..................................................................................2-24 Figure 2-14. Removing the BIOS IC..................................................................................................2-25 Figure 3-1. Basic Troubleshooting Steps .............................................................................................3-2 Figure 3-2.
OmniBook Diagnostic Screens — Basic and Advanced.................................................3-12 Figure 3-3. Serial and Parallel Loopback Connectors........................................................................3-14 Figure 4-1. Exploded View ..................................................................................................................4-2 Figure 4-2. Display Components..........................................................................................................4-6 Tables Table 1-1. OmniBook 900 Models.......................................................................................................1-1 Table 1-2.
Product Comparisons..........................................................................................................1-2 Table 1-3. Activating Power Modes.....................................................................................................1-4 Table 1-4. Main Status Lights (Motherboard)......................................................................................1-5 Table 1-5. Keyboard Status Lights (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 900 Specifications ..........................................................................................1-9 Table 1-12.
OmniBook 900 Accessories............................................................................................1-11 Table 1-13. Functional Structure........................................................................................................1-14 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............................................................................2-5 Table 2-5. Hard Disk Drive Replacement Part Numbers.....................................................................2-6 Table 2-6. Replacing Small Parts (User-Replaceable).........................................................................2-9 Table 2-7. Display Component Compatibility....................................................................................2-10 Table 2-8. Removing Display Components .......................................................................................2-27 Table 3-1.
Scope of Diagnostic Tools..................................................................................................3-4 Table 3-2. Troubleshooting Suggestions..............................................................................................3-5 Table 3-3. OmniBook Diagnostic Error Codes..................................................................................3-14 iv HP OmniBook 900