HP Omnibook 900 Service Manual

HP OmniBook 900 Reference Information 5-1
5 
Reference Information
This chapter includes the following reference information:
 · Password removal policy.
 · Display quality statement.
Password Removal Policy
If the user forgets the system password, the user calls Technical Support to determine the proper
removal procedure. The user must provide proof of ownership, and the OmniBook must be operated
during the procedure.
The password removal procedure is protected as HP Company Private information. There...

5-2 Reference Information HP OmniBook 900
Hewlett-Packard Display Quality Statement
TFT display manufacturing is a high precision but imperfect technology and manufacturers cannot
currently produce large displays that are cosmetically perfect.  Most, if not all, TFT displays will
exhibit some level of cosmetic imperfection.  These cosmetic imperfections may be visible to the
customer under varying display conditions and can appear as bright, dim, or dark spots.  This issue is
common across all vendors...

HP OmniBook 900 Reference Information 5-3
 Table 5-1. OmniBook 900 LCD Guidelines (TFT)
Type of ImperfectionImperfections Not Allowed
IBM 12 TFT, SVGA
Electrical Imperfections:
Bright dots 
(a)
Dark dots (a)
 · 6 or more single bright dots.
 · 6 or more single dark dots.
 · 10 or more total bright and dark dots.
 · Any occurrence of double bright dots.
 · 2 or more double dark dots.
 · Any occurrence of triple bright dots (or triple dark dots).
 · Any occurrence of 2 bright or dark dots within 20 mm.
LG...

5-4 Reference Information HP OmniBook 900
Type of ImperfectionImperfections Not Allowed
Unipac 13 TFT, XGA
Electrical Imperfections:
Bright dots 
(a)
Dark dots (a)
 · 9 or more single bright dots.
 · 10 or more single dark dots.
 · 18 or more total bright and dark dots.
 · 4 or more double bright dots.
 · 5 or more double dark dots.
 · Any occurrence of triple bright dots (or triple dark dots).
 · Any occurrence of 2 bright dots within 15 mm.
 · Any occurrence of 2 dark dots within 5 mm.
Mechanical...

HP OmniBook 900 Reference Information 5-5
Obsolete Parts
Obsolete repair parts are summarized in the following table.
 Table 5-2. Obsolete Repair Parts
Obsolete
Part Number
New
Part Number
DescriptionComments
1818-7413* 1818-7950* RAM board, 32MB
1818-7414* 1818-7951* RAM board, 64MB
1818-7952* 1818-7952* RAM board, 128MB
F1711-60902 F1770-60905 Battery, lithium-ion New part has two front panels.
F1711-60912 F1770-60903 Cover, keyboard screw
F1711-60916 F1771-60979Latch, display (12” IBM)
F1711-60917...

1. Product Information
2. Removal and Replacement
3. Troubleshooting and Diagnostics
4. Replaceable Parts
5. Reference Information
Part Number
F1770-90001Printed in U.S.A. 12/99