HP 16500B - Manual (Page 119)

Power-Up Self-Tests
All of the power-up self tests are performed to verify the operation of the HP 16500B
mainframe. If any of the self-tests fail, then the power-up routine is halted and the FATAL
ERRORS ENCOUNTERED, BOOT HALTED message appears.
For more information about the individual self-tests, refer to "Self-Tests Description" later in
this chapter.
If any power-up self-test fails, refer to chapter 5, "Troubleshooting."
Power-Up Tasks
During the power-up routine, messages on the screen display tasks that are being performed.
The following paragraphs explain the tasks.
Loading System File
The operating system of the HP 16500B mainframe is being uploaded from the disk drive into
system RAM.
SYSTEM DISK NOT FOUND appears only when the mainframe operating system cannot be
found on the hard disk drive. The HP 16500B mainframe power-up routine will not go any
further until a mainframe operating system is present and is recognized. In this case, remove
power from the instrument and install the flexible disk containing the mainframe operating
system in the flexible disk drive. When the System Configuration menu appears, the hard disk
drive directory can be checked to see if the mainframe operating system is present and
recognized and has the correct version number.
Loading Module Files
The operating system of each of the installed modules is being uploaded from the disk drive
into system RAM.
The module operating systems are loaded beginning with the module in slot A, the top-most
module. Then, the operating system of the module in slot B is loaded, and so on.
Consequently, only the operating systems of the installed modules will be loaded into RAM.
The operating systems of modules not installed will not be uploaded from the disk drive.
The System Configuration menu will show if an installed module did not have its operating
system loaded. The message UNRECOGNIZED MODULE appears in place of the module
name next to the slot designations on the left side of the System Configuration menu.
Loading Software Options
Software options, for example the System Performance Analysis package, are being loaded
into system RAM.
The Configuration menu of the module using the software options will show if the software
option was installed. If the option was installed, it will appear in the module configuration
menu pop-up. Refer to the User’s Guide the software option for more information.
Theory of Operation
Power-Up Self-Tests
8–10