Dell PowerVault DL2000 DL2000 Hardware Owner's Manual - Page 34

Table 1-7. System Messages (continued) Message Causes Corrective Actions DIMM pairs must be matched in size, speed, and technology. The following DIMM pair is mismatched: DIMM x and DIMM y. Mismatched or Ensure that all pairs of unmatched DIMMs memory modules are of the installed; faulty or same type and size and that improperly seated memory they are properly installed. module(s). See "System Memory" on page 100. If the problem persists, see "Troubleshooting System Memory" on page 142. 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 100. DIMMs should be installed in pairs. Pairs must be matched in size, speed, and technology. Mismatched or Ensure that all pairs of unmatched DIMMs memory modules are of the installed; faulty or same type and size and that improperly seated memory they are properly installed. module(s). The system will See "System Memory" on operate in a degraded page 100. If the problem mode with reduced ECC persists, see protection. Only memory "Troubleshooting System installed in channel 0 will Memory" on page 142. be accessible. Dual-rank DIMM paired with Single-rank DIMM The following DIMM/rank has been disabled by BIOS: DIMM x Rank y Mismatched DIMMs Ensure that all pairs of installed; faulty memory memory modules are of the module(s). The system has same type and size and that detected a dual-rank they are properly installed. DIMM paired with a See "System Memory" on single-rank DIMM. The page 100. If the problem second rank of the dual- persists, see rank DIMM will be "Troubleshooting System disabled. Memory" on page 142. 34 About Your System