HP Omnibook 6000 6100 Service Manual

HP Omnibook 6000/6100 Product Information 1-15
 Table 1-9. Functional Structure
BootupCPU module
Motherboard
Power supply PCA (OB 6000)
Floppy disk module
Hard disk driveMain processor (MMO).
Primary system circuitry, system BIOS (OB 6100).
System BIOS (OB 6000).
First source of disk-based startup code.
Second source of disk-based startup code.
ProcessorCPU module
MotherboardMain processor, numeric data processor, L1 and L2 cache.
Primary system circuitry.
MemoryMotherboard
SDRAM moduleNo onboard RAM,...

HP Omnibook 6000/6100 Removal and Replacement 2-1
2 
Removal and Replacement
This chapter tells you how to remove and replace the Omnibook’s removable components and
assemblies. The items marked by 
· in the following table are user-replaceable.
 Table 2-1. Removal Cross-Reference
 
 · Battery, main (page 2-4).
Battery, CMOS (page 2-34).
 · Bumpers, display (page 2-12)
 · Cap, pointing stick (page 2-12).
 · Card, mini-PCI #1 (page 2-9).
Card, mini-PCI #2 (page 2-34).
Case, bottom (page 2-22).
Case, top...

2-2 Removal and Replacement HP Omnibook 6000/6100
 Table 2-2. Required Equipment
 · Small Phillips screwdriver, preferably magnetized.
 · Small flat-blade screwdriver.
 · IC (PLCC) removal tool (similar to OK Industries EX-5).
 Table 2-3. Recommended Screw Torques
Screw Thread SizeTorque (cm-kgf)Torque (in-lbf)
M21.3 – 1.8 1.1 – 1.5
M2.5 (2–11 mm long) 3.0 – 3.5 2.6 – 3.0
M2.5 (12–19 mm long) 2.5 – 3.0 2.2 – 2.6
M3 3.0 – 3.5 2.6 – 3.0
Disassembly Flowchart
The following diagram shows the general “path”...

HP Omnibook 6000/6100 Removal and Replacement 2-3
 Figure 2-1. Disassembly Flow
Battery, AC adapter, secondary battery
Plug-in module, hard disk drive *
Power button panel
Keyboard
Heatsink (with fan)
Display assembly
Top case
*Only if removing the top case,
motherboard, or bottom case.
If removing only
display assembly or
hinge covers
CPU module
CMOS battery
Hinge covers
Rear antenna PCA (wireless only)
PCMCIA socket
Display interface PCA
Power supply PCA (OB 6000 only)
Volume PCA
Mini-PCI panel
Vent...

2-4 Removal and Replacement HP Omnibook 6000/6100
Removing the Battery
(User-Replaceable)
Required Equipment
 · None.
Removal Procedure
 · Slide the battery’s release latch, then lift the battery out of its compartment.
 
 Figure 2-2. Removing the Battery
Reassembly Notes
 · Insert the front (rounded) end of the battery into the battery compartment on the bottom of the
computer, and lower the back end in until it clicks into place. 

HP Omnibook 6000/6100 Removal and Replacement 2-5
Removing a Plug-In Module
(User-Replaceable)
Required Equipment
 · None.
Removal Procedure
 1. Press the button on the module release latch, and slide the latch toward the front of the computer.
 
 Figure 2-3. Removing a Module
 2. Grasp the module and pull it out.
 
 Figure 2-4. Removing a Module 

2-6 Removal and Replacement HP Omnibook 6000/6100
Removing an SDRAM Module
(User-Replaceable)
The computer has no SDRAM on its motherboard, but has two slots for that hold two SDRAM
modules. One slot contains a SDRAM module installed at the factory.
  Caution
 
Handle the SDRAM module only by its edges and provide proper grounding, or you might damage
the board by electrostatic discharge.
Required Equipment
 · Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove...

HP Omnibook 6000/6100 Removal and Replacement 2-7
Removing the Hard Disk Drive
(User-Replaceable)
Required Equipment
 · Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery. Remove the secondary battery if one is
installed.
 2. Turn the unit bottom side up and remove all hard drive screws.
 3. Raise the cover on the end of the drive so that its retainer tab is free of the computer casing, then
gently pull the hard drive out of the computer....

2-8 Removal and Replacement HP Omnibook 6000/6100
 
 Figure 2-7. Removing the Hard Disk Case
 · Slide the cover down into place so the retainer tab engages the casing.
 · Carefully put the pin connector back onto the pins on the end of the new hard drive. Work at each
end alternately so that the connector slides on evenly without bending the connector pins.
  Important
 
If you are installing a new hard drive, create a Utility partition on the drive before loading any
software—see “Creating a Utility...