1. Installing Internal Optional Devices
Express5800/B120f User's Guide
55
Chapter 2 Preparations
Example: Dual Rank
CH2
CPU1
Memory Controller
CPU1-DIMM4
CH3
CH1
CPU1-DIMM1
CPU1-DIMM2
CPU1-DIMM3
CPU1-DIMM5
CPU1-DIMM6
CH2
CPU2
1
Memory Controller
CPU2-DIMM4
CH3
CH1
CPU2-DIMM1
CPU2-DIMM2
CPU2-DIMM3
CPU2-DIMM5
CPU2-DIMM6
Spare set
#3
Spare set
#1
Spare set
#5
Spare set
#6
Spare set
#2
Spare set
#4
One of 4 ranks is defined as spare and placed in
standby state.
⇒
In Dual-Rank configuration, 2 DIMMs compose
of 4 ranks.