18 About Your System
Memory address line
failure at
address
, read
value
expecting
value
Memory double word logic
failure at
address
, read
value
expecting
value
Memory odd/even logic
failure at
start address
to
end address
Memory write/read failure
at
address
, read
value
expecting
value
Faulty or improperly installed memory
modules, or faulty system board.
Ensure that all memory modules are
properly installed. See "Troubleshooting
System Memory" on page88. If the
problem persists, see "Getting Help" on
page103.
Memory tests terminated by
keystroke The spacebar was pressed during
POST to terminate the memory test.
Information only.
No boot device available The system cannot find the diskette or
hard drive.
If the diskette drive is your boot device,
ensure that a bootable disk is in the
drive.
If the hard drive is your boot device,
ensure that the hard drive is installed,
properly seated, and partitioned as a
boot device.
Enter the System Setup program and
verify the boot sequence information.
See your Hardware Owner’s Manual for
details.
No boot sector on
hard-disk drive The system configuration information
in the System Setup program might
be incorrect.
Enter the System Setup program and
verify the system configuration
information for the hard drive. See your
Hardware Owner’s Manual for details.
If the message continues to appear after
verifying the information in the System
Setup program, the operating system
might have been corrupted.
Reinstall the
operating system. See your operating
system documentation for reinstallation
information.
No timer tick interrupt A chip on the system board might be
malfunctioning.
Run the system diagnostics. See
"Running the System Diagnostics" on
page93.
Table 1-4. System Messages (continued)
Message Causes Corrective Actions