Acer R5250-Q2000 Configuration Guide - Page 22

installed in DIMM A1/B1, A2/B2, A3/B3 and A4/B4. Memory installed in DIMM C1/D1, C2/D2, C3/D3 and C4/D4 will not be detected when there is only one processor. CPU1 Total Memory # DIMM A1/B1 DIMM A2/B2 DIMM A3/B3 DIMM Physical Detected A4/B4 Memory by OS 1 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank (Spare) 3 GB 2 GB 2 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank (Spare) 4 GB 3 GB 3 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank (Spare) 6 GB 4 GB 4 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank (Spare) 8 GB 6 GB 5 2 x 1GB Dual Rank 2 x 1GB Dual Rank (Spare) 1 4 GB 3 GB 6 2 x 1GB Dual Rank 2 x 1GB Dual Rank 2 x 1GB Dual Rank (Spare) 1 6 GB 5 GB 7 2 x 2GB Dual Rank 2 x 2GB Dual Rank (Spare) 1 8 GB 6 GB 8 2 x 2GB Dual Rank 2 x 2GB Dual Rank 2 x 2GB Dual Rank (Spare) 1 12 GB 10 GB NOTE1. Only one rank of each DIMM will be used as spare. Dual Processor CPU1 CPU2 Total Memory # DIMM A1/B1 DIMM A2/B2 DIMM A3/B3 DIMM A4/B4 DIMM C1/D1 DIMM C2/D2 DIMM C3/D3 DIMM Physical Detected C4/D4 Memory by OS 1 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank (Spare) 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank (Spare) 6 GB 4 GB 2 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank (Spare) 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank 2 x 512MB Single Rank (Spare) 8 GB 6 GB 3 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank (Spare) 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank (Spare) 12 GB 8 GB 4 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank (Spare) 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank 2 x 1GB Single Rank (Spare) 16 GB 12 GB 5 2 x 1GB Dual Rank 2 x 1GB Dual Rank (Spare)1 2 x 1GB Dual Rank 2 x 1GB Dual Rank (Spare) 1 8 GB 6 GB 6 2 x 1GB Dual Rank 2 x 1GB Dual Rank 2 x 1GB Dual Rank (Spare) 1 2 x 1GB Dual Rank 2 x 1GB Dual Rank 2 x 1GB Dual Rank (Spare) 1 12 GB 10 GB 7 2 x 2GB Dual Rank 2 x 2GB Dual Rank (Spare) 1 2 x 2GB Dual Rank 2 x 2GB Dual Rank (Spare) 1 16 GB 12 GB 8 2 x 2GB Dual Rank 2 x 2GB Dual Rank 2 x 2GB Dual Rank (Spare) 1 2 x 2GB Dual Rank 2 x 2GB Dual Rank 2 x 2GB Dual Rank (Spare) 1 24 GB 20 GB NOTE1. Only one rank of each DIMM will be used as spare. Altos R5250 Installation Configuration Guide 6