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About Your System 29
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 "System
Memory" on page 89.
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 "System
Memory" on page 89. If the problem
persists, see "Troubleshooting System
Memory" on page 120.
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 "System
Memory" on page 89. If the problem
persists, see "Troubleshooting System
Memory" on page 120.
Diskette drive
n
seek
failure
Incorrect configuration settings in the
System Setup program.
Run the System Setup program to
correct the settings. See "Using the
System Setup Program" on page 37.
Faulty or improperly installed diskette
drive.
Replace the diskette. If the problem
persists, see "Troubleshooting a Diskette
Drive" on page 121.
Loose tape drive interface cable, or
loose power cable.
Reseat tape drive interface cable, or
power cable. If the problem persists, see
"Troubleshooting a Diskette Drive" on
page 121.
Diskette read failure Faulty or improperly inserted diskette
or tape drive.
Replace the diskette. See
"Troubleshooting a Diskette Drive" on
page 121.
Diskette subsystem reset
failed
Faulty or improperly installed diskette
or tape drive.
Replace the diskette or tape. If the
problem persists, see "Troubleshooting a
Diskette Drive" on page 121.
Drive not ready Diskette missing from or improperly
inserted in diskette drive.
Replace the diskette. If the problem
persists, see "Troubleshooting a Diskette
Drive" on page 121.
Table 1-7. System Messages (continued)
Message Causes Corrective Actions
Book.book Page 29 Friday, February 3, 2006 11:09 AM