About Your System 31
Memory address line
failure at
address
, read
value
expecting
value
Faulty or improperly installed memory
modules.
See "Troubleshooting System Memory"
on page120.
Memory double word logic
failure at
address
, read
value
expecting
value
Memory odd/even logic
failure at
address, read
value
expecting
value
Memory write/read failure
at
address
, read
value
expecting
value
Memory tests terminated by
keystroke. POST memory test terminated by
pressing the spacebar.
Information only.
No boot device available Faulty or missing optical/diskette
drive subsystem, hard drive, or hard-
drive subsystem, or no boot disk in
drive A.
Use a bootable diskette, CD, or hard
drive. If the problem persists, see
"Troubleshooting a Diskette Drive" on
page121, "Troubleshooting an Optical
Drive" on page123, and
"Troubleshooting a Hard Drive" on
page124. See "Using the System Setup
Program" on page37 for information on
setting the order of boot devices.
No boot sector on hard
drive Incorrect configuration settings in
System Setup program, or no
operating system on hard drive.
Check the hard-drive configuration
settings in the System Setup program.
See "Using the System Setup Program"
on page37. If necessary, install the
operating system on your hard drive. See
your operating system documentation.
No timer tick interrupt Faulty system board. See “"Getting Help" on page147."
Northbound merge error -
The following DIMM has
been disabled by BIOS:
DIMM x
The specified DIMM was unable to
establish a successful data link with
the memory controller.
See "Troubleshooting System Memory"
on page120.
Not a boot diskette No operating system on diskette. Use a bootable diskette.
Table 1-7. System Messages (continued)
Message Causes Corrective Actions
Book.book Page 31 Friday, February 3, 2006 11:09 AM