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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 page 120.
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
page 121, "Troubleshooting an Optical
Drive" on page 123, and
"Troubleshooting a Hard Drive" on
page 124. See "Using the System Setup
Program" on page 37 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 page 37. 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 page 147."
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 page 120.
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