Asus RS161-E5 Service Guide - Page 27

Memory Configurations, Memory population table - pa2 memory

Page 27 highlights

2.3.2 Memory Configurations You may install 256 MB, 512 MB, 1 GB, 2, or 4 GB registered ECC DDR2 DIMMs into the DIMM sockets using the memory configurations in this section. • For dual-channel configuration, the total size of memory module(s) installed per channel must be the same for better performance. Single CPU: DIMM_A1=DIMM_A2=DIMM_B1=DIMM_B2; DIMM_A3=DIMM_A4=DIMM_B3=DIMM_B4 Dual CPU: DIMM_A1=DIMM_A2=DIMM_B1=DIMM_B2= DIMM_C1=DIMM_C2 =DIMM_D1=DIMM_D2; DIMM_A3=DIMM_A4=DIMM_B3=DIMM_B4= DIMM_C3=DIMM_C4 =DIMM_D3=DIMM_D4 • Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. Memory population table CPU1 SingleChannel Dual Channel CPU2 Single Channel Dual Channel A1 B1 A2 B2 A3 B3 A4 B4 • • • • • • • • • • • • • • • • • • • • • C1 D1 C2 D2 C3 D3 C4 D4 • • • • • • • • • • • • • • • • • • • • • ASUS RS161-E5/PA2 2-

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2-9
ASUS RS161-E5/PA2
2.3.2
Memory Configurations
You may install 256 MB, 512 MB, 1 GB, 2, or 4 GB registered ECC DDR2 DIMMs
into the DIMM sockets using the memory configurations in this section.
For dual-channel configuration, the total size of memory module(s) installed
per channel must be the same for better performance.
Single CPU:
DIMM_A1=DIMM_A2=DIMM_B1=DIMM_B2;
DIMM_A3=DIMM_A4=DIMM_B3=DIMM_B4
Dual CPU:
DIMM_A1=DIMM_A2=DIMM_B1=DIMM_B2=
DIMM_C1=DIMM_C2 =DIMM_D1=DIMM_D2;
DIMM_A3=DIMM_A4=DIMM_B3=DIMM_B4=
DIMM_C3=DIMM_C4 =DIMM_D3=DIMM_D4
Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules from the
same vendor.
A1
B1
A2
B2
A3
B3
A4
B4
CPU1
SingleChannel
Dual Channel
C1
D1
C2
D2
C3
D3
C4
D4
CPU2
Single Channel
Dual Channel
Memory population table