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About Your System 27
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 112, "Troubleshooting an Optical
Drive" on page 113, and
"Troubleshooting a Hard Drive" on
page 115. See "Using the System Setup
Program" on page 33 for information
about 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 33. 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 131.
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 110.
Not a boot diskette No operating system on diskette. Use a bootable diskette.
PCIe Degraded Link Width
Error: Embedded
Bus#
nn
/Dev#
nn
/Func
n
Expected Link Width is
n
Actual Link Width is
n
Faulty or improperly installed PCIe
card in the specified slot.
Reseat the PCIe card in the specified
slot number. See "Installing an
Expansion Card" on page 57. If the
problem persists, see "Getting Help" on
page 131.
PCIe Degraded Link Width
Error: Slot
n
Expected Link Width is
n
Actual Link Width is
n
Faulty or improperly installed PCIe
card in the specified slot.
Reseat the PCIe card in the specified
slot number. See "Expansion Cards" on
page 56. If the problem persists, see
"Getting Help" on page 131.
PCIe Training Error:
Embedded
Bus#
nn
/Dev#
nn
/Funcn
PCIe Training Error:
Slot
n
Faulty or improperly installed PCIe
card in the specified slot.
Reseat the PCIe card in the specified
slot number. See "Expansion Cards" on
page 56. If the problem persists, see
"Getting Help" on page 131.
Table 1-5. System Messages (continued)
Message Causes Corrective Actions