Dell DL2000 Dimm pairs must be, Matched in size, Speed, Technology, Following Dimm, Pair is

Table 1-7. System Messages (continued)

Message	Causes	Corrective Actions
DIMM pairs must be	Mismatched or	Ensure that all pairs of
matched in size,	unmatched DIMMs	memory modules are of the
speed, and	installed; faulty or	same type and size and that
technology. The	improperly seated memory	they are properly installed.
following DIMM	module(s).	See "System Memory" on
pair is		page 100. If the problem
mismatched: DIMM x		persists, see
and DIMM y.		"Troubleshooting System
		Memory" on page 142.

DIMMs must be	The specified DIMM is
populated in	inaccessible to the system
sequential order	due to its location.
beginning with	DIMMs must be
slot 1. The	populated in sequential
following DIMM is	order, beginning with
electrically	slot 1.
isolated: DIMM x.

Populate 2, 4, or 8 DIMMs sequentially beginning with slot 1. See "System Memory" on page 100.

DIMMs should be	Mismatched or
installed in	unmatched DIMMs
pairs. Pairs must	installed; faulty or
be matched in	improperly seated memory
size, speed, and	module(s). The system will
technology.	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 100. If the problem persists, see "Troubleshooting System Memory" on page 142.

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 100. If the problem persists, see "Troubleshooting System Memory" on page 142.

34

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