HP Omnibook 4000c Ct Service Manual

___________41 Input/Output Configuration
Setting:Parameters:Default:CommentsPrinter portBi-directional; EPP; ECPBi-directionalIR Port AssignmentCOM2COM2IR is hard wired to
COM2Pointer deviceInternal; ExternalInternalExternal Fn. keyEnabled; DisabledEnabledDisplayLCD; CRT; LCD and
CRTLCDLCD gray scale8, 16, 6464.00Dimmed with color
display attachedDisplay modeNormal;InverseNormalDimmed with color
display attached 

___________42 Disk Configuration
Setting:ParametersDefaultCommentsDiskette AEnabled; DisabledEnabledBoot fromFDD first; HDD onlyFDD firstHDD ConfigurationAuto; User definedAuto 

___________43 Audio Configuration
The audio screen allows the user to adjust the speaker volume of the system.  The
user can also select the IRQ, I/O Address and DMA channel of the audio board.
Setting:ParametersDefaultCommentsVolume LeftSliderMiddleVolume RightSliderMiddleIRQIRQ5; IRQ7; IRQ9;
IRQ10IRQ7DMA channelDMA0; DMA1; DMA3DMA1 

___________44 Troubleshooting and Repair
Known Hardware
IssuesThe OmniBook 4000C and CT will not charge the batteries while in ON
mode.
Certain HP Vectra PCs will not link over I/R with the OB 4000.  Refer to the
technical newsletter for details.
OmniBook Self-
TestThe complete self-test procedure is documented in the OmniBook 4000
Operating Guide.
A note about interpreting self-test results.
Self-test alone should not be used to diagnose a hardware problem.  If the self-
test results are absolutely...

___________45 Beep CodeDescriptionnoneCPU register test in progress or failure.1-1-1CPU Failure1-1-3CMOS write/read test in progress or failure. Failure will result
in a system halt.1-1-4ROM BIOS checksum test in progress or failure.  Failure will
result in a system halt.  Checksum test - All of the values in a
given range of locations are added together.  The range
includes a location which, when added to sum of the ranges,
will produce a known result (0).  BIOS is in FLASH and can
only be fixed through...

___________46 3-1-2Master DMA register test in progress or failure.  Failure results
in a system halt.3-1-3Master interrupt mask register test in progress or failure.
Failure results in a system halt.3-1-4Slave interrupt mask register test in progress or failure.
Failure results in a system halt.3-2-4Keyboard controller test in progress or failure.  Failure results
in a system halt.3-3-4Screen memory test in progress or failure.  Failure will result
in a beep code but not a system halt.3-4-1Video Retrace...

___________47 Last POST:
DISPLAY CODESThere are a number of POST tests that are performed after the BEEP Code
tests.  Failure of one or more of these tests will result in a displayed failure code
(i.e., 03044).  It is extremely important not to interpret a failure code immediately
as a hardware failure until:
all accessories are removed, including memory cards external floppy, port
expander, modems, PCMCIA cards, LAN cards, printers, VGA-out cables,
external pointing devices, clean AC power is provided...

___________48 Fixed disk read failure -press Fl to retry boot (or may
also say press Fl to retry boot, F2 for SETUP utility)The fixed disk may be configured incorrectly or is
defective.Internal cache test failed -cache is disabledFaulty cache memory in the 80486 processor chip.Pointer device failureThe mouse failed.No boot device available -Press Fl to retry boot (or
may also say, press Fl to retry boot, F2 for SETUP
utility)Either diskette drive A:, the fixed disk, or both the
diskette and disk are...

___________49 Real time clock failureThe RTC or battery failed.MessagePossible Causennnk Base MemoryThe amount of base memory that tested
successfully.nnnk ExtendedThe amount of extended memory that tested
successfully.Memory tests terminated by keystrokeThis message indicates that a user pressed the
spacebar while the memory tests were nmning and
stopped the memory tests.Press the Fl key to continueThis message indicates that an error was found
during POST.  Pressing the Fl key allows the
system to...

___________50 Appendix A: Part NumbersDescriptionHP PartNumberExchange PartNumberRUBBER FOOT BACK FLATF1081-60933noneRUBBER FOOT FRONT ROUNDF1081-60934noneNAME PLATE FOR ENGRAVINGF1081-60936nonePALM REST SCREW FTB 1.7X4LF1081-60942noneMICRO PHONE ASSYF1081-60946noneOVERLAY-BACK PNLF1081-80004noneEXPANSION DOORF1081-60930noneTRACK BALL ASSYF1081-60914nonePALM REST ASSYF1081-60915noneICON ASSY FOR PEGASUSF1081-60916noneHOOK BUTTONF1081-60926noneIR LENSF1081-60927noneMEMORY COVER DOORF1081-60928nonePCMCIA...