HP Kayak XU800 Technical Reference Manual page 121

Checkpoint
Code (A Check Point Code is NOT an error code or error number)
85h Memory size check is done. Displaying a soft error and checking for a password or
bypassing WINBIOS Setup.
86h Password was checked. Performing any required programming before WINVIOS Setup.
87h Programming before WINBIOS Setup has completed. Uncompressing the WINBIOS Setup
code and executing the AMIBIOS Setup or WINBIOS Setup utility.
88h Returned from WINBIOS Setup and cleared the screen. Performing any necessary
programming after WINBIOS Setup.
89h Programming after WINBIOS Setup has completed. Display the power on screen message.
8Bh First screen message has been displayed. The <WAIT...> message is displayed.
Performing PS/2 mouse check and extended BIOS data area allocation check.
8Ch Programming the WINBIOS Setup options.
8Dh WINBIOS Setup options are programmed. Resetting the hard disk drive controller.
8Fh Hard disk drive controller has been reset. Configuring the floppy disk drive controller.
91h Floppy disk drive controller has been configured. Configuring the hard disk drive controller.
95h Initializing the bus option ROMs from C800.
96h Initializing before passing control to the adaptor ROM at C800.
97h Initialization before the C800 adaptor ROM gains control has completed. The adaptor ROM
is then checked.
98h Adaptor ROM has control and has now returned control to BIOS POST. Performing any
required processing after the option ROM returned control.
99h Any initialization required after the option ROM test has completed. Configuring the timer
data area and printer bas address.
9Ah Set the timer and printer bas address. Setting the RS-232 bas address.
9Bh Returned after setting the RS-232 bas address. Performing any required initialization
before the co-processor test.
9Ch Required initialization before the co-processor test is over. initializing the co-processor.
9Dh Co-processor initialized. Performing any required initialization after the co-processor test.
9Eh Initialization after the co-processor test is complete. Checking the extended keyboard IDn
and Num Lock key. Issuing the keyboard ID command.
Order in Which POST Tests Are Performed
POST Routine Description (Continued)
6 Tests and Error Messages
121