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24 About Your System
BIOS Update Attempt
Failed!
Remote BIOS update attempt failed. Retry the BIOS update. If problem
persists, see "Getting Help" on page 131.
Caution! NVRAM_CLR jumper
is installed on system
board.
NVRAM_CLR jumper is installed.
CMOS has been cleared.
Remove the NVRAM_CLR jumper. See
Figure 6-1 for jumper location.
CPUs with different cache
sizes detected!
Microprocessors with different cache
sizes are installed.
Ensure that all microprocessors have the
same cache size and that they are
properly installed. See "Microprocessor"
on page 87.
Decreasing available
memory
Faulty or improperly installed memory
modules.
See "Troubleshooting System Memory"
on page 110.
DIMM pairs must be matched
in size, speed, and
technology. The following
DIMM pair is mismatched:
DIMM x and DIMM y.
Mismatched or unmatched DIMMs
installed; faulty or improperly seated
memory module(s).
Ensure that all pairs of memory modules
are of the same type and size and that
they are properly installed. See
"Memory" on page 80. If the problem
persists, see "Troubleshooting System
Memory" on page 110.
DIMMs must be populated in
sequential order beginning
with slot 1. The following
DIMM is electrically
isolated: DIMM x.
The specified DIMM is inaccessible to
the system due to its location. DIMMs
must be populated in sequential order,
beginning with slot 1.
Populate 2, 4, or 8 DIMMs sequentially
beginning with slot 1. See "Memory" on
page 80.
DIMMs should be installed
in pairs. Pairs must be
matched in size, speed,
and technology.
Mismatched or unmatched DIMMs
installed; faulty or improperly seated
memory module(s). The system will
operate in a degraded mode with
reduced ECC protection. Only
memory installed in channel 0 will be
accessible.
Ensure that all pairs of memory modules
are of the same type and size and that
they are properly installed. See
"Memory" on page 80. If the problem
persists, see "Troubleshooting System
Memory" on page 110.
Dual-rank DIMM paired with
Single-rank DIMM - The
following DIMM/rank has
been disabled by BIOS:
DIMM x Rank y
Mismatched DIMMs installed; faulty
memory module(s). The system has
detected a dual-rank DIMM paired
with a single-rank DIMM. The second
rank of the dual-rank DIMM will be
disabled.
Ensure that all pairs of memory modules
are of the same type and size and that
they are properly installed. See
"Memory" on page 80. If the problem
persists, see "Troubleshooting System
Memory" on page 110.
Table 1-5. System Messages (continued)
Message Causes Corrective Actions